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Posted to commits@slider.apache.org by bi...@apache.org on 2016/08/12 21:45:59 UTC

[1/6] incubator-slider git commit: SLIDER-875 initial uber app support

Repository: incubator-slider
Updated Branches:
  refs/heads/develop 7428cae4c -> 50db94ce4


SLIDER-875 initial uber app support


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/000b38d5
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/000b38d5
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/000b38d5

Branch: refs/heads/develop
Commit: 000b38d5c9363efe7561a0104d9c65291c9f5214
Parents: c0f4e92
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Tue Jun 21 16:59:34 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Thu Jun 23 09:06:08 2016 -0700

----------------------------------------------------------------------
 .../org/apache/slider/client/SliderClient.java  |   4 +-
 .../org/apache/slider/common/SliderKeys.java    |   7 +
 .../apache/slider/common/tools/SliderUtils.java |  79 ++++++++
 .../slider/core/build/InstanceBuilder.java      | 148 +++++++++++++++
 .../slider/core/conf/ConfTreeOperations.java    |  11 ++
 .../providers/AbstractProviderService.java      |   3 +-
 .../slider/providers/ProviderService.java       |   4 +-
 .../providers/agent/AgentClientProvider.java    |  30 +--
 .../slider/providers/agent/AgentKeys.java       |   2 +
 .../providers/agent/AgentProviderService.java   | 181 +++++++++++++------
 .../slider/providers/agent/AgentUtils.java      |  24 +++
 .../providers/agent/ComponentCommandOrder.java  |   6 +
 .../server/appmaster/SliderAppMaster.java       |   3 +-
 .../appmaster/web/rest/agent/AgentResource.java |   4 +-
 .../sleep_cmd/appConfig_external_component.json |  12 ++
 .../sleep_cmd/resources_external_component.json |  22 +++
 .../slider/client/TestReplaceTokens.groovy      |   5 +-
 .../model/mock/MockProviderService.groovy       |   3 +-
 .../agent/TestAgentProviderService.java         |  36 ++--
 .../apache/slider/funtest/ResourcePaths.groovy  |   2 +
 .../funtest/misc/ExternalComponentIT.groovy     | 133 ++++++++++++++
 21 files changed, 626 insertions(+), 93 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
index dd90e46..372ec48 100644
--- a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
+++ b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
@@ -1597,6 +1597,7 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
     resources.mergeComponents(buildInfo.getResourceCompOptionMap());
 
     builder.init(providerName, instanceDefinition);
+    builder.resolve();
     builder.propagateFilename();
     builder.propagatePrincipals();
     builder.setImageDetailsIfAvailable(buildInfo.getImage(),
@@ -1786,8 +1787,7 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
   private static String replaceTokens(String s, String userName,
       String clusterName) throws IOException {
     return s.replaceAll(Pattern.quote("${USER}"), userName)
-        .replaceAll(Pattern.quote("${USER_NAME}"), userName)
-        .replaceAll(Pattern.quote("${CLUSTER_NAME}"), clusterName);
+        .replaceAll(Pattern.quote("${USER_NAME}"), userName);
   }
 
   public FsPermission getClusterDirectoryPermissions(Configuration conf) {

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java b/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
index 05c7048..3921324 100644
--- a/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
@@ -70,6 +70,13 @@ public interface SliderKeys extends SliderXmlConfKeys {
   String APP_TYPE = "org-apache-slider";
 
   /**
+   * Key for component type. This MUST NOT be set in app_config/global {@value}
+   */
+  String COMPONENT_TYPE = "site.global.component_type";
+  String EXTERNAL_COMPONENT = "external";
+  String COMPONENT_SEPARATOR = "-";
+
+  /**
    * Key for application version. This must be set in app_config/global {@value}
    */
   String APP_VERSION = "site.global.app_version";

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
index 746e468..c48e109 100644
--- a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
@@ -69,6 +69,7 @@ import org.apache.slider.core.exceptions.SliderException;
 import org.apache.slider.core.launch.ClasspathConstructor;
 import org.apache.slider.core.main.LauncherExitCodes;
 import org.apache.slider.providers.agent.AgentKeys;
+import org.apache.slider.providers.agent.application.metadata.Component;
 import org.apache.slider.server.services.utility.PatternValidator;
 import org.apache.slider.server.services.workflow.ForkedProcessService;
 import org.apache.zookeeper.server.util.KerberosUtil;
@@ -475,6 +476,32 @@ public final class SliderUtils {
     return srcFileCount;
   }
 
+  /**
+   * Copy a file to a new FS -both paths must be qualified.
+   * @param conf conf file
+   * @param srcFile src file
+   * @param destFile dest file
+   */
+  public static void copy(Configuration conf,
+      Path srcFile,
+      Path destFile) throws
+      IOException,
+      BadClusterStateException {
+    FileSystem srcFS = FileSystem.get(srcFile.toUri(), conf);
+    //list all paths in the src.
+    if (!srcFS.exists(srcFile)) {
+      throw new FileNotFoundException("Source dir not found " + srcFile);
+    }
+    if (!srcFS.isFile(srcFile)) {
+      throw new FileNotFoundException(
+          "Source dir not a file " + srcFile);
+    }
+    FileSystem destFS = FileSystem.get(destFile.toUri(), conf);
+    if (destFS.exists(destFile)) {
+      throw new IOException("Dest file already exists " + destFile);
+    }
+    FileUtil.copy(srcFS, srcFile, destFS, destFile, false, true, conf);
+  }
 
   public static String stringify(Throwable t) {
     StringWriter sw = new StringWriter();
@@ -927,6 +954,38 @@ public final class SliderUtils {
   }
 
   /**
+   * Merge string maps excluding prefixes
+   * @param first first map
+   * @param second second map
+   * @param  prefixes prefixes to ignore
+   * @return 'first' merged with the second
+   */
+  public static Map<String, String> mergeMapsIgnorePrefixes(
+      Map<String, String> first, Map<String, String> second,
+      String... prefixes) {
+    Preconditions.checkArgument(first != null, "Null 'first' value");
+    Preconditions.checkArgument(second != null, "Null 'second' value");
+    Preconditions.checkArgument(prefixes != null, "Null 'prefixes' value");
+    for (Map.Entry<String, String> entry : second.entrySet()) {
+      String key = entry.getKey();
+      boolean hasPrefix = false;
+      for (String prefix : prefixes) {
+        if (key.startsWith(prefix)) {
+          hasPrefix = true;
+          break;
+        }
+      }
+      if (hasPrefix) {
+        continue;
+      }
+      if (!first.containsKey(key)) {
+        first.put(key, entry.getValue());
+      }
+    }
+    return first;
+  }
+
+  /**
    * Convert a map to a multi-line string for printing
    * @param map map to stringify
    * @return a string representation of the map
@@ -2340,8 +2399,28 @@ public final class SliderUtils {
    */
   public static String getApplicationDefinitionPath(ConfTreeOperations conf)
       throws BadConfigException {
+    return getApplicationDefinitionPath(conf, null);
+  }
+
+  /**
+   * return the HDFS path where the application package has been uploaded
+   * manually or by using slider client (install package command)
+   *
+   * @param conf configuration
+   * @param roleGroup name of component
+   * @return
+   */
+  public static String getApplicationDefinitionPath(ConfTreeOperations conf,
+      String roleGroup)
+      throws BadConfigException {
     String appDefPath = conf.getGlobalOptions().getMandatoryOption(
         AgentKeys.APP_DEF);
+    if (roleGroup != null) {
+      MapOperations component = conf.getComponent(roleGroup);
+      if (component != null) {
+        appDefPath = component.getOption(AgentKeys.APP_DEF, appDefPath);
+      }
+    }
     return appDefPath;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
index 7756055..4afdf7c 100644
--- a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
+++ b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
@@ -25,7 +25,9 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.slider.api.InternalKeys;
 import org.apache.slider.api.OptionKeys;
+import org.apache.slider.api.ResourceKeys;
 import org.apache.slider.api.StatusKeys;
+import org.apache.slider.common.SliderKeys;
 import org.apache.slider.common.SliderXmlConfKeys;
 import org.apache.slider.common.tools.CoreFileSystem;
 import org.apache.slider.common.tools.SliderUtils;
@@ -42,11 +44,17 @@ import org.apache.slider.core.persist.LockAcquireFailedException;
 import org.apache.slider.core.persist.LockHeldAction;
 import org.apache.slider.core.zk.ZKPathBuilder;
 import org.apache.slider.core.zk.ZookeeperUtils;
+import org.apache.slider.providers.agent.AgentKeys;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.TreeSet;
 
 import static org.apache.slider.api.InternalKeys.INTERNAL_ADDONS_DIR_PATH;
 import static org.apache.slider.api.InternalKeys.INTERNAL_APPDEF_DIR_PATH;
@@ -61,6 +69,11 @@ import static org.apache.slider.api.OptionKeys.INTERNAL_SNAPSHOT_CONF_PATH;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_HOSTS;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_PATH;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_QUORUM;
+import static org.apache.slider.common.SliderKeys.COMPONENT_AM;
+import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
+import static org.apache.slider.common.SliderKeys.COMPONENT_TYPE;
+import static org.apache.slider.common.SliderKeys.EXTERNAL_COMPONENT;
+import static org.apache.slider.common.tools.SliderUtils.isClusternameValid;
 
 /**
  * Build up the instance of a cluster.
@@ -72,6 +85,8 @@ public class InstanceBuilder {
   private final CoreFileSystem coreFS;
   private final InstancePaths instancePaths;
   private AggregateConf instanceDescription;
+  private Map<Path, Path> externalAppDefs = new HashMap<>();
+  private TreeSet<Integer> priorities = new TreeSet<>();
 
   private static final Logger log =
     LoggerFactory.getLogger(InstanceBuilder.class);
@@ -244,6 +259,136 @@ public class InstanceBuilder {
   }
 
 
+  private void getExternalComponents(ConfTreeOperations ops,
+      Set<String> externalComponents) throws BadConfigException {
+    if (ops.getGlobalOptions().get(COMPONENT_TYPE) != null) {
+      throw new BadConfigException(COMPONENT_TYPE + " must be " +
+          "specified per-component, not in global");
+    }
+
+    for (Entry<String, Map<String, String>> entry : ops.getComponents()
+        .entrySet()) {
+      if (COMPONENT_AM.equals(entry.getKey())) {
+        continue;
+      }
+      Map<String, String> options = entry.getValue();
+      if (options.containsKey(COMPONENT_TYPE) &&
+          EXTERNAL_COMPONENT.equals(options.get(COMPONENT_TYPE))) {
+        externalComponents.add(entry.getKey());
+      }
+    }
+  }
+
+  private static String[] PREFIXES_TO_SKIP = {"zookeeper.",
+      "env.MALLOC_ARENA_MAX", "site.fs.", "site.dfs."};
+
+  private void mergeExternalComponent(ConfTreeOperations ops,
+      ConfTreeOperations externalOps, String externalComponent,
+      Integer priority) {
+    for (String subComponent : externalOps.getComponentNames()) {
+      if (COMPONENT_AM.equals(subComponent)) {
+        continue;
+      }
+      log.debug("Merging options for {} into {}", subComponent,
+          externalComponent + COMPONENT_SEPARATOR + subComponent);
+      MapOperations subComponentOps = ops.getOrAddComponent(externalComponent +
+          COMPONENT_SEPARATOR + subComponent);
+      SliderUtils.mergeMapsIgnorePrefixes(subComponentOps,
+          externalOps.getComponent(subComponent), PREFIXES_TO_SKIP);
+      if (priority != null) {
+        subComponentOps.put(ResourceKeys.COMPONENT_PRIORITY,
+            Integer.toString(priority));
+        priorities.add(priority);
+        priority++;
+      }
+    }
+  }
+
+  private int getNextPriority() {
+    if (priorities.isEmpty()) {
+      return 1;
+    } else {
+      return priorities.last() + 1;
+    }
+  }
+
+  public void resolve()
+      throws BadConfigException, IOException, BadClusterStateException {
+    ConfTreeOperations appConf = instanceDescription.getAppConfOperations();
+    ConfTreeOperations resources = instanceDescription.getResourceOperations();
+
+    for (Entry<String, Map<String, String>> entry : resources.getComponents()
+        .entrySet()) {
+      if (COMPONENT_AM.equals(entry.getKey())) {
+        continue;
+      }
+      if (entry.getKey().contains(COMPONENT_SEPARATOR)) {
+        throw new BadConfigException("Components must not contain " +
+            COMPONENT_SEPARATOR + ": " + entry.getKey());
+      }
+      if (entry.getValue().containsKey(ResourceKeys.COMPONENT_PRIORITY)) {
+        priorities.add(Integer.parseInt(entry.getValue().get(
+            ResourceKeys.COMPONENT_PRIORITY)));
+      }
+    }
+
+    Set<String> externalComponents = new HashSet<>();
+    getExternalComponents(appConf, externalComponents);
+    if (!externalComponents.isEmpty()) {
+      log.info("Found external components {}", externalComponents);
+    }
+
+    for (String component : externalComponents) {
+      if (!isClusternameValid(component)) {
+        throw new BadConfigException(component + " is not a valid external " +
+            "component");
+      }
+      Path componentClusterDir = coreFS.buildClusterDirPath(component);
+      try {
+        coreFS.verifyPathExists(componentClusterDir);
+      } catch (IOException e) {
+        throw new BadConfigException("external component " + component +
+            " doesn't exist");
+      }
+      AggregateConf componentConf = new AggregateConf();
+      ConfPersister persister = new ConfPersister(coreFS, componentClusterDir);
+      try {
+        persister.load(componentConf);
+      } catch (Exception e) {
+        throw new BadConfigException("Couldn't read configuration for " +
+            "external component " + component);
+      }
+      String externalAppDef = componentConf.getAppConfOperations()
+          .getGlobalOptions().get(AgentKeys.APP_DEF);
+      if (SliderUtils.isSet(externalAppDef)) {
+        Path newAppDef = new Path(coreFS.buildAppDefDirPath(clustername),
+            component + "_" + SliderKeys.DEFAULT_APP_PKG);
+        componentConf.getAppConfOperations().set(AgentKeys.APP_DEF, newAppDef);
+        externalAppDefs.put(newAppDef, new Path(externalAppDef));
+      }
+      for (String rcomp : componentConf.getResourceOperations()
+          .getComponentNames()) {
+        if (COMPONENT_AM.equals(rcomp)) {
+          continue;
+        }
+        log.debug("Adding component {} to appConf for {}", rcomp, component);
+        componentConf.getAppConfOperations().getOrAddComponent(rcomp);
+      }
+      SliderUtils.mergeMaps(
+          componentConf.getAppConfOperations().getGlobalOptions().options,
+          appConf.getComponent(component).options);
+      componentConf.getAppConfOperations().getGlobalOptions()
+          .remove(COMPONENT_TYPE);
+      componentConf.resolve();
+
+      mergeExternalComponent(appConf, componentConf.getAppConfOperations(),
+          component, null);
+      mergeExternalComponent(resources, componentConf.getResourceOperations(),
+          component, getNextPriority());
+    }
+  }
+
+
   /**
    * Persist this
    * @param appconfdir conf dir
@@ -266,6 +411,9 @@ public class InstanceBuilder {
       action = new ConfDirSnapshotAction(appconfdir);
     }
     persister.save(instanceDescription, action);
+    for (Entry<Path, Path> appDef : externalAppDefs.entrySet()) {
+      SliderUtils.copy(conf, appDef.getValue(), appDef.getKey());
+    }
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java b/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
index 9013edb..4a0ae41 100644
--- a/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
+++ b/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
@@ -257,6 +257,17 @@ public class ConfTreeOperations {
                                             Map<String, String> map,
                                             String prefix,
                                             boolean overwrite) {
+    boolean needsMerge = false;
+    for (Map.Entry<String, String> entry : map.entrySet()) {
+      String key = entry.getKey();
+      if (key.startsWith(prefix)) {
+        needsMerge = true;
+        break;
+      }
+    }
+    if (!needsMerge) {
+      return;
+    }
     MapOperations comp = getOrAddComponent(component);
     comp.mergeMapPrefixedKeys(map,prefix, overwrite);
   }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java
index 61b2655..92766f5 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/AbstractProviderService.java
@@ -169,7 +169,8 @@ public abstract class AbstractProviderService
    */
   @Override
   public void initializeApplicationConfiguration(
-      AggregateConf instanceDefinition, SliderFileSystem fileSystem)
+      AggregateConf instanceDefinition, SliderFileSystem fileSystem,
+      String roleGroup)
       throws IOException, SliderException {
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/ProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/ProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/ProviderService.java
index f754eee..3f24665 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/ProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/ProviderService.java
@@ -118,11 +118,13 @@ public interface ProviderService extends ProviderCore,
    * 
    * @param instanceDefinition
    * @param fileSystem
+   * @param roleGroup
    * @throws IOException
    * @throws SliderException
    */
   void initializeApplicationConfiguration(AggregateConf instanceDefinition,
-      SliderFileSystem fileSystem) throws IOException, SliderException;
+      SliderFileSystem fileSystem, String roleGroup) throws IOException,
+      SliderException;
 
   /**
    * This is a validation of the application configuration on the AM.

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
index f3dcd1d..6eae75e 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
@@ -74,6 +74,8 @@ import java.util.Set;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
+import static org.apache.slider.providers.agent.AgentUtils.getMetainfoComponentName;
+
 /** This class implements  the client-side aspects of the agent deployer */
 public class AgentClientProvider extends AbstractClientProvider
     implements AgentKeys, SliderKeys {
@@ -168,13 +170,21 @@ public class AgentClientProvider extends AbstractClientProvider
     names.remove(SliderKeys.COMPONENT_AM);
     Map<Integer, String> priorityMap = new HashMap<Integer, String>();
 
-    Metainfo metaInfo = getMetainfo(fs, appDef);
-
     for (String name : names) {
+      try {
+        // Validate the app definition
+        appDef = SliderUtils.getApplicationDefinitionPath(instanceDefinition
+            .getAppConfOperations(), name);
+      } catch (BadConfigException bce) {
+        throw new BadConfigException("Application definition must be provided. " + bce.getMessage());
+      }
+      Metainfo metaInfo = getMetainfo(fs, appDef);
+
       MapOperations component = resources.getMandatoryComponent(name);
 
       if (metaInfo != null) {
-        Component componentDef = metaInfo.getApplicationComponent(name);
+        Component componentDef = metaInfo.getApplicationComponent(
+            getMetainfoComponentName(name));
         if (componentDef == null) {
           throw new BadConfigException(
               "Component %s is not a member of application.", name);
@@ -200,16 +210,12 @@ public class AgentClientProvider extends AbstractClientProvider
             existing);
       }
       priorityMap.put(priority, name);
-    }
 
-    // fileSystem may be null for tests
-    if (metaInfo != null) {
-      for (String name : names) {
-        Component componentDef = metaInfo.getApplicationComponent(name);
-        if (componentDef == null) {
-          throw new BadConfigException(
-              "Component %s is not a member of application.", name);
-        }
+      // fileSystem may be null for tests
+      if (metaInfo != null) {
+        Component componentDef = metaInfo.getApplicationComponent(
+            getMetainfoComponentName(name));
+        // already checked it wasn't null
 
         // ensure that intance count is 0 for client components
         if ("CLIENT".equals(componentDef.getCategory())) {

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
index b027939..8514401 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
@@ -97,6 +97,8 @@ public interface AgentKeys {
   String CERT_FILE_LOCALIZATION_PATH = INFRA_RUN_SECURITY_DIR + "ca.crt";
   String KEY_CONTAINER_LAUNCH_DELAY = "container.launch.delay.sec";
   String TEST_RELAX_VERIFICATION = "test.relax.validation";
+
+  String DEFAULT_METAINFO_MAP_KEY = "DEFAULT";
 }
 
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index f20757a..66fac99 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@ -71,6 +71,7 @@ import org.apache.slider.providers.ProviderRole;
 import org.apache.slider.providers.ProviderUtils;
 import org.apache.slider.providers.agent.application.metadata.AbstractComponent;
 import org.apache.slider.providers.agent.application.metadata.Application;
+import org.apache.slider.providers.agent.application.metadata.CommandOrder;
 import org.apache.slider.providers.agent.application.metadata.CommandScript;
 import org.apache.slider.providers.agent.application.metadata.Component;
 import org.apache.slider.providers.agent.application.metadata.ComponentCommand;
@@ -124,7 +125,6 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Scanner;
 import java.util.Set;
 import java.util.TreeMap;
@@ -132,8 +132,8 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.regex.Pattern;
 
+import static org.apache.slider.providers.agent.AgentUtils.getMetainfoMapKey;
 import static org.apache.slider.server.appmaster.web.rest.RestPaths.SLIDER_PATH_AGENTS;
 
 /**
@@ -168,9 +168,8 @@ public class AgentProviderService extends AbstractProviderService implements
   private int heartbeatMonitorInterval = 0;
   private AgentClientProvider clientProvider;
   private AtomicInteger taskId = new AtomicInteger(0);
-  private volatile Metainfo metaInfo = null;
-  private Map<String, DefaultConfig> defaultConfigs = null;
-  private ComponentCommandOrder commandOrder = null;
+  private volatile Map<String, MetainfoHolder> metaInfoMap = new HashMap<>();
+  private ComponentCommandOrder commandOrder = new ComponentCommandOrder();
   private HeartbeatMonitor monitor;
   private Boolean canAnyMasterPublish = null;
   private AgentLaunchParameter agentLaunchParameter = null;
@@ -205,6 +204,17 @@ public class AgentProviderService extends AbstractProviderService implements
   private final Map<String, Set<String>> containerExportsMap =
       new HashMap<String, Set<String>>();
 
+  private static class MetainfoHolder {
+    Metainfo metaInfo;
+    private Map<String, DefaultConfig> defaultConfigs = null;
+
+    public MetainfoHolder(Metainfo metaInfo,
+        Map<String, DefaultConfig> defaultConfigs) {
+      this.metaInfo = metaInfo;
+      this.defaultConfigs = defaultConfigs;
+    }
+  }
+
   /**
    * Create an instance of AgentProviderService
    */
@@ -249,10 +259,11 @@ public class AgentProviderService extends AbstractProviderService implements
     Set<String> names = resources.getComponentNames();
     names.remove(SliderKeys.COMPONENT_AM);
     for (String name : names) {
-      Component componentDef = getMetaInfo().getApplicationComponent(name);
+      Component componentDef = getApplicationComponent(name);
       if (componentDef == null) {
-        throw new BadConfigException(
-            "Component %s is not a member of application.", name);
+        // component member is validated elsewhere, so we don't need to throw
+        // an exception here
+        continue;
       }
 
       MapOperations componentConfig = resources.getMandatoryComponent(name);
@@ -274,31 +285,62 @@ public class AgentProviderService extends AbstractProviderService implements
 
   // Reads the metainfo.xml in the application package and loads it
   private void buildMetainfo(AggregateConf instanceDefinition,
-                             SliderFileSystem fileSystem) throws IOException, SliderException {
-    String appDef = SliderUtils.getApplicationDefinitionPath(instanceDefinition
-        .getAppConfOperations());
+                             SliderFileSystem fileSystem,
+                             String roleGroup)
+      throws IOException, SliderException {
+    String mapKey = getMetainfoMapKey(roleGroup);
+    String appDef = SliderUtils.getApplicationDefinitionPath(
+        instanceDefinition.getAppConfOperations(), roleGroup);
+    MapOperations component = null;
+    if (roleGroup != null) {
+      component = instanceDefinition.getAppConfOperations().getComponent(roleGroup);
+    }
 
-    if (metaInfo == null) {
+    MetainfoHolder metaInfoHolder = metaInfoMap.get(mapKey);
+    if (metaInfoHolder == null) {
       synchronized (syncLock) {
-        if (metaInfo == null) {
+        metaInfoHolder = metaInfoMap.get(mapKey);
+        if (metaInfoHolder == null) {
           readAndSetHeartbeatMonitoringInterval(instanceDefinition);
           initializeAgentDebugCommands(instanceDefinition);
 
-          metaInfo = getApplicationMetainfo(fileSystem, appDef, false);
+          Metainfo metaInfo = getApplicationMetainfo(fileSystem, appDef, false);
           log.info("Master package metainfo: {}", metaInfo.toString());
           if (metaInfo == null || metaInfo.getApplication() == null) {
             log.error("metainfo.xml is unavailable or malformed at {}.", appDef);
             throw new SliderException(
                 "metainfo.xml is required in app package.");
           }
-          commandOrder = new ComponentCommandOrder(metaInfo.getApplication().getCommandOrders());
-          defaultConfigs = initializeDefaultConfigs(fileSystem, appDef, metaInfo);
+          List<CommandOrder> commandOrders = metaInfo.getApplication()
+              .getCommandOrders();
+          if (!DEFAULT_METAINFO_MAP_KEY.equals(mapKey)) {
+            for (Component comp : metaInfo.getApplication().getComponents()) {
+              comp.setName(mapKey + comp.getName());
+              log.info("Modifying external metainfo component name to {}",
+                  comp.getName());
+            }
+            String commandPrefix = mapKey.substring(0,
+                mapKey.indexOf(COMPONENT_SEPARATOR)+1);
+            for (CommandOrder co : commandOrders) {
+              log.info("Adding prefix {} to command order {}",
+                  commandPrefix, co);
+              co.setCommand(commandPrefix + co.getCommand());
+              co.setRequires(commandPrefix + co.getRequires());
+            }
+          }
+          commandOrder.mergeCommandOrders(commandOrders);
+          Map<String, DefaultConfig> defaultConfigs =
+              initializeDefaultConfigs(fileSystem, appDef, metaInfo);
+          metaInfoMap.put(mapKey, new MetainfoHolder(metaInfo, defaultConfigs));
           monitor = new HeartbeatMonitor(this, getHeartbeatMonitorInterval());
           monitor.start();
 
           // build a map from component to metainfo
           String addonAppDefString = instanceDefinition.getAppConfOperations()
               .getGlobalOptions().getOption(AgentKeys.ADDONS, null);
+          if (component != null) {
+            addonAppDefString = component.getOption(AgentKeys.ADDONS, addonAppDefString);
+          }
           log.debug("All addon appdefs: {}", addonAppDefString);
           if (addonAppDefString != null) {
             Scanner scanner = new Scanner(addonAppDefString).useDelimiter(",");
@@ -306,6 +348,9 @@ public class AgentProviderService extends AbstractProviderService implements
               String addonAppDef = scanner.next();
               String addonAppDefPath = instanceDefinition
                   .getAppConfOperations().getGlobalOptions().get(addonAppDef);
+              if (component != null) {
+                addonAppDefPath = component.getOption(addonAppDef, addonAppDefPath);
+              }
               log.debug("Addon package {} is stored at: {}", addonAppDef
                   + addonAppDefPath);
               Metainfo addonMetaInfo = getApplicationMetainfo(fileSystem,
@@ -324,9 +369,10 @@ public class AgentProviderService extends AbstractProviderService implements
 
   @Override
   public void initializeApplicationConfiguration(
-      AggregateConf instanceDefinition, SliderFileSystem fileSystem)
+      AggregateConf instanceDefinition, SliderFileSystem fileSystem,
+      String roleGroup)
       throws IOException, SliderException {
-    buildMetainfo(instanceDefinition, fileSystem);
+    buildMetainfo(instanceDefinition, fileSystem, roleGroup);
   }
 
   @Override
@@ -345,9 +391,9 @@ public class AgentProviderService extends AbstractProviderService implements
     String roleName = providerRole.name;
     String roleGroup = providerRole.group;
     String appDef = SliderUtils.getApplicationDefinitionPath(instanceDefinition
-        .getAppConfOperations());
+        .getAppConfOperations(), roleGroup);
 
-    initializeApplicationConfiguration(instanceDefinition, fileSystem);
+    initializeApplicationConfiguration(instanceDefinition, fileSystem, roleGroup);
 
     log.info("Build launch context for Agent");
     log.debug(instanceDefinition.toString());
@@ -564,7 +610,7 @@ public class AgentProviderService extends AbstractProviderService implements
     // initialize the component instance state
     getComponentStatuses().put(label,
                                new ComponentInstanceState(
-                                   roleName,
+                                   roleGroup,
                                    container.getId(),
                                    getClusterInfoPropertyValue(OptionKeys.APPLICATION_NAME),
                                    pkgStatuses));
@@ -740,11 +786,12 @@ public class AgentProviderService extends AbstractProviderService implements
                                                   .extractRole(container));
       if (role != null) {
         String roleName = role.name;
-        String label = getContainerLabel(container, roleName, role.group);
+        String roleGroup = role.group;
+        String label = getContainerLabel(container, roleName, roleGroup);
         log.info("Rebuilding in-memory: container {} in role {} in cluster {}",
                  container.getId(), roleName, applicationId);
         getComponentStatuses().put(label,
-            new ComponentInstanceState(roleName, container.getId(),
+            new ComponentInstanceState(roleGroup, container.getId(),
                                        applicationId));
       } else {
         log.warn("Role not found for container {} in cluster {}",
@@ -865,7 +912,7 @@ public class AgentProviderService extends AbstractProviderService implements
 
     StateAccessForProviders accessor = getAmState();
     CommandScript cmdScript = getScriptPathForMasterPackage(roleGroup);
-    List<ComponentCommand> commands = getMetaInfo().getApplicationComponent(roleGroup).getCommands();
+    List<ComponentCommand> commands = getApplicationComponent(roleGroup).getCommands();
 
     if (!isDockerContainer(roleGroup) && !isYarnDockerContainer(roleGroup)
         && (cmdScript == null || cmdScript.getScript() == null)
@@ -1143,7 +1190,7 @@ public class AgentProviderService extends AbstractProviderService implements
   }
 
   private boolean isDockerContainer(String roleGroup) {
-    String type = getMetaInfo().getApplicationComponent(roleGroup).getType();
+    String type = getApplicationComponent(roleGroup).getType();
     if (SliderUtils.isSet(type)) {
       return type.toLowerCase().equals(SliderUtils.DOCKER) || type.toLowerCase().equals(SliderUtils.DOCKER_YARN);
     }
@@ -1151,7 +1198,7 @@ public class AgentProviderService extends AbstractProviderService implements
   }
 
   private boolean isYarnDockerContainer(String roleGroup) {
-    String type = getMetaInfo().getApplicationComponent(roleGroup).getType();
+    String type = getApplicationComponent(roleGroup).getType();
     if (SliderUtils.isSet(type)) {
       return type.toLowerCase().equals(SliderUtils.DOCKER_YARN);
     }
@@ -1345,8 +1392,12 @@ public class AgentProviderService extends AbstractProviderService implements
   }
 
   @VisibleForTesting
-  protected Metainfo getMetaInfo() {
-    return this.metaInfo;
+  protected Metainfo getMetaInfo(String roleGroup) {
+    MetainfoHolder mh = this.metaInfoMap.get(getMetainfoMapKey(roleGroup));
+    if (mh == null) {
+      return null;
+    }
+    return mh.metaInfo;
   }
 
   @VisibleForTesting
@@ -1416,8 +1467,8 @@ public class AgentProviderService extends AbstractProviderService implements
     return defaultConfigMap;
   }
 
-  protected Map<String, DefaultConfig> getDefaultConfigs() {
-    return defaultConfigs;
+  protected Map<String, DefaultConfig> getDefaultConfigs(String roleGroup) {
+    return metaInfoMap.get(getMetainfoMapKey(roleGroup)).defaultConfigs;
   }
 
   private int getHeartbeatMonitorInterval() {
@@ -1583,9 +1634,9 @@ public class AgentProviderService extends AbstractProviderService implements
         log.info("Status report: {}", status.toString());
 
         if (status.getConfigs() != null) {
-          Application application = getMetaInfo().getApplication();
+          Application application = getMetaInfo(componentGroup).getApplication();
 
-          if (canAnyMasterPublishConfig() == false || canPublishConfig(componentGroup)) {
+          if (canAnyMasterPublishConfig(componentGroup) == false || canPublishConfig(componentGroup)) {
             // If no Master can explicitly publish then publish if its a master
             // Otherwise, wait till the master that can publish is ready
 
@@ -1727,7 +1778,7 @@ public class AgentProviderService extends AbstractProviderService implements
     String hostNamePattern = "${THIS_HOST}";
     Map<String, String> toPublish = new HashMap<String, String>();
 
-    Application application = getMetaInfo().getApplication();
+    Application application = getMetaInfo(componentGroup).getApplication();
     for (Component component : application.getComponents()) {
       if (component.getName().equals(componentGroup)) {
         if (component.getComponentExports().size() > 0) {
@@ -1778,8 +1829,8 @@ public class AgentProviderService extends AbstractProviderService implements
     String portVarFormat = "${site.%s}";
     String hostNamePattern = "${" + compGroup + "_HOST}";
 
-    List<ExportGroup> appExportGroups = getMetaInfo().getApplication().getExportGroups();
-    Component component = getMetaInfo().getApplicationComponent(compGroup);
+    List<ExportGroup> appExportGroups = getMetaInfo(compGroup).getApplication().getExportGroups();
+    Component component = getApplicationComponent(compGroup);
     if (component != null && SliderUtils.isSet(component.getCompExports())
         && SliderUtils.isNotEmpty(appExportGroups)) {
 
@@ -1881,7 +1932,11 @@ public class AgentProviderService extends AbstractProviderService implements
    * @return the component entry or null for no match
    */
   protected Component getApplicationComponent(String roleGroup) {
-    return getMetaInfo().getApplicationComponent(roleGroup);
+    Metainfo metainfo = getMetaInfo(roleGroup);
+    if (metainfo == null) {
+      return null;
+    }
+    return metainfo.getApplicationComponent(roleGroup);
   }
 
   /**
@@ -1950,9 +2005,9 @@ public class AgentProviderService extends AbstractProviderService implements
    *
    * @return true if the condition holds
    */
-  protected boolean canAnyMasterPublishConfig() {
+  protected boolean canAnyMasterPublishConfig(String roleGroup) {
     if (canAnyMasterPublish == null) {
-      Application application = getMetaInfo().getApplication();
+      Application application = getMetaInfo(roleGroup).getApplication();
       if (application == null) {
         log.error("Malformed app definition: Expect application as root element in the metainfo.xml");
       } else {
@@ -2027,7 +2082,7 @@ public class AgentProviderService extends AbstractProviderService implements
     cmd.setPkg(pkg);
     Map<String, String> hostLevelParams = new TreeMap<String, String>();
     hostLevelParams.put(JAVA_HOME, appConf.getGlobalOptions().getOption(JAVA_HOME, getJDKDir()));
-    hostLevelParams.put(PACKAGE_LIST, getPackageList());
+    hostLevelParams.put(PACKAGE_LIST, getPackageList(roleGroup));
     hostLevelParams.put(CONTAINER_ID, containerId);
     cmd.setHostLevelParams(hostLevelParams);
 
@@ -2076,7 +2131,7 @@ public class AgentProviderService extends AbstractProviderService implements
     cmd.setComponentName(roleName);
     cmd.setRole(roleName);
     Map<String, String> hostLevelParams = new TreeMap<String, String>();
-    hostLevelParams.put(PACKAGE_LIST, getPackageList());
+    hostLevelParams.put(PACKAGE_LIST, getPackageList(roleGroup));
     hostLevelParams.put(CONTAINER_ID, containerId);
     cmd.setHostLevelParams(hostLevelParams);
 
@@ -2096,7 +2151,7 @@ public class AgentProviderService extends AbstractProviderService implements
     configurations.get("global").put("exec_cmd", effectiveCommand.getExec());
 
     cmd.setHostname(getClusterInfoPropertyValue(StatusKeys.INFO_AM_HOSTNAME));
-    cmd.addContainerDetails(roleGroup, getMetaInfo());
+    cmd.addContainerDetails(roleGroup, getMetaInfo(roleGroup));
 
     Map<String, String> dockerConfig = new HashMap<String, String>();
     if(isYarnDockerContainer(roleGroup)){
@@ -2179,8 +2234,8 @@ public class AgentProviderService extends AbstractProviderService implements
     }
   }
 
-  private String getPackageList() {
-    return getPackageListFromApplication(getMetaInfo().getApplication());
+  private String getPackageList(String roleGroup) {
+    return getPackageListFromApplication(getMetaInfo(roleGroup).getApplication());
   }
 
   private void prepareExecutionCommand(ExecutionCommand cmd) {
@@ -2345,7 +2400,7 @@ public class AgentProviderService extends AbstractProviderService implements
   private String getConfigFromMetaInfoWithAppConfigOverriding(String roleGroup,
       String configName){
     ConfTreeOperations appConf = getAmState().getAppConfSnapshot();
-    String containerName = getMetaInfo().getApplicationComponent(roleGroup)
+    String containerName = getApplicationComponent(roleGroup)
         .getDockerContainers().get(0).getName();
     String composedConfigName = null;
     String appConfigValue = null;
@@ -2486,7 +2541,7 @@ public class AgentProviderService extends AbstractProviderService implements
     
     cmd.setConfigurations(configurations);
    // configurations.get("global").put("exec_cmd", startCommand.getExec());
-    cmd.addContainerDetails(roleGroup, getMetaInfo());
+    cmd.addContainerDetails(roleGroup, getMetaInfo(roleGroup));
 
     log.info("Docker- command: {}", cmd.toString());
 
@@ -2496,7 +2551,7 @@ public class AgentProviderService extends AbstractProviderService implements
   private String getConfigFromMetaInfo(String roleGroup, String configName) {
     String result = null;
 
-    List<DockerContainer> containers = getMetaInfo().getApplicationComponent(
+    List<DockerContainer> containers = getApplicationComponent(
         roleGroup).getDockerContainers();// to support multi container per
                                              // component later
     log.debug("Docker- containers metainfo: {}", containers.toString());
@@ -2798,10 +2853,11 @@ public class AgentProviderService extends AbstractProviderService implements
 
     for (String configType : configs) {
       addNamedConfiguration(configType, appConf.getGlobalOptions().options,
-                            configurations, tokens, containerId, roleName);
+                            configurations, tokens, containerId, roleName,
+                            roleGroup);
       if (appConf.getComponent(roleGroup) != null) {
         addNamedConfiguration(configType, appConf.getComponent(roleGroup).options,
-            configurations, tokens, containerId, roleName);
+            configurations, tokens, containerId, roleName, roleGroup);
       }
     }
 
@@ -2844,15 +2900,32 @@ public class AgentProviderService extends AbstractProviderService implements
     tokens.put("${NN_HOST}", URI.create(nnuri).getHost());
     tokens.put("${ZK_HOST}", appConf.get(OptionKeys.ZOOKEEPER_HOSTS));
     tokens.put("${DEFAULT_ZK_PATH}", appConf.get(OptionKeys.ZOOKEEPER_PATH));
+    String mapKey = getMetainfoMapKey(componentGroup);
+    String dataDirSuffix = "";
+    if (!DEFAULT_METAINFO_MAP_KEY.equals(mapKey)) {
+      dataDirSuffix = "_" + mapKey.substring(0, mapKey.length()-1);
+    } else {
+      mapKey = "";
+    }
+    mapKey = mapKey.toLowerCase();
     tokens.put("${DEFAULT_DATA_DIR}", getAmState()
         .getInternalsSnapshot()
         .getGlobalOptions()
-        .getMandatoryOption(InternalKeys.INTERNAL_DATA_DIR_PATH));
+        .getMandatoryOption(InternalKeys.INTERNAL_DATA_DIR_PATH) + dataDirSuffix);
     tokens.put("${JAVA_HOME}", appConf.get(AgentKeys.JAVA_HOME));
     tokens.put("${COMPONENT_NAME}", componentName);
+    tokens.put("${COMPONENT_NAME.lc}", componentName.toLowerCase());
+    tokens.put("${COMPONENT_PREFIX}", mapKey);
+    tokens.put("${COMPONENT_PREFIX.lc}", mapKey.toLowerCase());
     if (!componentName.equals(componentGroup) && componentName.startsWith(componentGroup)) {
       tokens.put("${COMPONENT_ID}", componentName.substring(componentGroup.length()));
     }
+    tokens.put("${CLUSTER_NAME}", getClusterName());
+    tokens.put("${CLUSTER_NAME.lc}", getClusterName().toLowerCase());
+    tokens.put("${APP_NAME}", getClusterName());
+    tokens.put("${APP_NAME.lc}", getClusterName().toLowerCase());
+    tokens.put("${APP_COMPONENT_NAME}", componentName);
+    tokens.put("${APP_COMPONENT_NAME.lc}", componentName.toLowerCase());
     return tokens;
   }
 
@@ -2877,12 +2950,12 @@ public class AgentProviderService extends AbstractProviderService implements
     List<String> configList = new ArrayList<String>();
     configList.add(GLOBAL_CONFIG_TAG);
 
-    List<ConfigFile> configFiles = getMetaInfo().getApplication().getConfigFiles();
+    List<ConfigFile> configFiles = getMetaInfo(roleGroup).getApplication().getConfigFiles();
     for (ConfigFile configFile : configFiles) {
       log.info("Expecting config type {}.", configFile.getDictionaryName());
       configList.add(configFile.getDictionaryName());
     }
-    for (Component component : getMetaInfo().getApplication().getComponents()) {
+    for (Component component : getMetaInfo(roleGroup).getApplication().getComponents()) {
       if (!component.getName().equals(roleGroup)) {
         continue;
       }
@@ -2907,7 +2980,7 @@ public class AgentProviderService extends AbstractProviderService implements
   private void addNamedConfiguration(String configName, Map<String, String> sourceConfig,
                                      Map<String, Map<String, String>> configurations,
                                      Map<String, String> tokens, String containerId,
-                                     String roleName) {
+                                     String roleName, String roleGroup) {
     Map<String, String> config = new HashMap<String, String>();
     if (configName.equals(GLOBAL_CONFIG_TAG)) {
       addDefaultGlobalConfig(config, containerId, roleName);
@@ -2936,9 +3009,9 @@ public class AgentProviderService extends AbstractProviderService implements
     }
 
     //apply defaults only if the key is not present and value is not empty
-    if (getDefaultConfigs().containsKey(configName)) {
+    if (getDefaultConfigs(roleGroup).containsKey(configName)) {
       log.info("Adding default configs for type {}.", configName);
-      for (PropertyInfo defaultConfigProp : getDefaultConfigs().get(configName).getPropertyInfos()) {
+      for (PropertyInfo defaultConfigProp : getDefaultConfigs(roleGroup).get(configName).getPropertyInfos()) {
         if (!config.containsKey(defaultConfigProp.getName())) {
           if (!defaultConfigProp.getName().isEmpty() &&
               defaultConfigProp.getValue() != null &&

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
index cfcfc5d..ed5108c 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
@@ -35,6 +35,9 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 
+import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
+import static org.apache.slider.providers.agent.AgentKeys.DEFAULT_METAINFO_MAP_KEY;
+
 /**
  *
  */
@@ -131,4 +134,25 @@ public class AgentUtils {
 
     return new DefaultConfigParser().parse(configStream);
   }
+
+  static String getMetainfoMapKey(String roleGroup) {
+    if (roleGroup == null) {
+      return DEFAULT_METAINFO_MAP_KEY;
+    }
+    int lastIndex = roleGroup.lastIndexOf(COMPONENT_SEPARATOR);
+    if (lastIndex == -1) {
+      return DEFAULT_METAINFO_MAP_KEY;
+    } else {
+      return roleGroup.substring(0, lastIndex+1);
+    }
+  }
+
+  static String getMetainfoComponentName(String roleGroup) {
+    int lastIndex = roleGroup.lastIndexOf(COMPONENT_SEPARATOR);
+    if (lastIndex == -1) {
+      return roleGroup;
+    } else {
+      return roleGroup.substring(lastIndex+1);
+    }
+  }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
index 91f1259..e2c879e 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
@@ -40,7 +40,13 @@ public class ComponentCommandOrder {
   Map<Command, Map<String, List<ComponentState>>> dependencies =
       new HashMap<Command, Map<String, List<ComponentState>>>();
 
+  public ComponentCommandOrder() {}
+
   public ComponentCommandOrder(List<CommandOrder> commandOrders) {
+    mergeCommandOrders(commandOrders);
+  }
+
+  void mergeCommandOrders(List<CommandOrder> commandOrders) {
     if (commandOrders != null && commandOrders.size() > 0) {
       for (CommandOrder commandOrder : commandOrders) {
         ComponentCommand componentCmd = getComponentCommand(commandOrder.getCommand());

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java b/slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
index b767059..040f12b 100644
--- a/slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
+++ b/slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java
@@ -882,7 +882,8 @@ public class SliderAppMaster extends AbstractSliderLaunchedService
       Configuration providerConf =
         providerService.loadProviderConfigurationInformation(confDir);
 
-      providerService.initializeApplicationConfiguration(instanceDefinition, fs);
+      providerService.initializeApplicationConfiguration(instanceDefinition,
+          fs, null);
 
       providerService.validateApplicationConfiguration(instanceDefinition,
           confDir,

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/main/java/org/apache/slider/server/appmaster/web/rest/agent/AgentResource.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/server/appmaster/web/rest/agent/AgentResource.java b/slider-core/src/main/java/org/apache/slider/server/appmaster/web/rest/agent/AgentResource.java
index f1e105a..20ef068 100644
--- a/slider-core/src/main/java/org/apache/slider/server/appmaster/web/rest/agent/AgentResource.java
+++ b/slider-core/src/main/java/org/apache/slider/server/appmaster/web/rest/agent/AgentResource.java
@@ -73,7 +73,7 @@ public class AgentResource extends AbstractSliderResource {
   }
 
   @POST
-  @Path("/{agent_name: [a-zA-Z][a-zA-Z_0-9]*}/register")
+  @Path("/{agent_name: [a-zA-Z][a-zA-Z0-9_-]*}/register")
   @Consumes({MediaType.APPLICATION_JSON})
   @Produces({MediaType.APPLICATION_JSON})
   public RegistrationResponse register(Register registration,
@@ -87,7 +87,7 @@ public class AgentResource extends AbstractSliderResource {
   }
 
   @POST
-  @Path("/{agent_name: [a-zA-Z][a-zA-Z_0-9]*}/heartbeat")
+  @Path("/{agent_name: [a-zA-Z][a-zA-Z0-9_-]*}/heartbeat")
   @Consumes(MediaType.APPLICATION_JSON)
   @Produces({MediaType.APPLICATION_JSON})
   public HeartBeatResponse heartbeat(HeartBeat message,

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
new file mode 100644
index 0000000..853310d
--- /dev/null
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
@@ -0,0 +1,12 @@
+{
+  "schema": "http://example.org/specification/v2.0.0",
+  "metadata": {
+  },
+  "global": {
+  },
+  "components": {
+    "test_sleep": {
+      "site.global.component_type": "external"
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component.json
new file mode 100644
index 0000000..bccea68
--- /dev/null
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component.json
@@ -0,0 +1,22 @@
+{
+  "schema" : "http://example.org/specification/v2.0.0",
+  "metadata" : {
+  },
+  "global" : {
+  },
+  "components": {
+    "slider-appmaster": {
+      "yarn.memory": "384"
+    },
+    "SLEEP_100": {
+      "yarn.role.priority": "1",
+      "yarn.component.instances": "0",
+      "yarn.memory": "128"
+    },
+    "SLEEP_LONG": {
+      "yarn.role.priority": "2",
+      "yarn.component.instances": "1",
+      "yarn.memory": "128"
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/test/groovy/org/apache/slider/client/TestReplaceTokens.groovy
----------------------------------------------------------------------
diff --git a/slider-core/src/test/groovy/org/apache/slider/client/TestReplaceTokens.groovy b/slider-core/src/test/groovy/org/apache/slider/client/TestReplaceTokens.groovy
index c4c755d..a35bcc0 100644
--- a/slider-core/src/test/groovy/org/apache/slider/client/TestReplaceTokens.groovy
+++ b/slider-core/src/test/groovy/org/apache/slider/client/TestReplaceTokens.groovy
@@ -51,8 +51,9 @@ class TestReplaceTokens extends Assert {
       new JsonSerDeser<ConfTree>(ConfTree)
     def confTree = confTreeJsonSerDeser.fromResource(PACKAGE + app_configuration)
     SliderClient.replaceTokens(confTree, "testUser", "testCluster")
-    assert confTree.global.get("site.fs.defaultFS") == "hdfs://testCluster:8020"
-    assert confTree.global.get("site.fs.default.name") == "hdfs://testCluster:8020"
+    // cluster name is resolved later now
+    assert confTree.global.get("site.fs.defaultFS") == "hdfs://\${CLUSTER_NAME}:8020"
+    assert confTree.global.get("site.fs.default.name") == "hdfs://\${CLUSTER_NAME}:8020"
     assert confTree.global.get("site.hbase.user_name") == "testUser"
     assert confTree.global.get("site.hbase.another.user") == "testUser"
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/test/groovy/org/apache/slider/server/appmaster/model/mock/MockProviderService.groovy
----------------------------------------------------------------------
diff --git a/slider-core/src/test/groovy/org/apache/slider/server/appmaster/model/mock/MockProviderService.groovy b/slider-core/src/test/groovy/org/apache/slider/server/appmaster/model/mock/MockProviderService.groovy
index 659af0e..1ea2277 100644
--- a/slider-core/src/test/groovy/org/apache/slider/server/appmaster/model/mock/MockProviderService.groovy
+++ b/slider-core/src/test/groovy/org/apache/slider/server/appmaster/model/mock/MockProviderService.groovy
@@ -175,7 +175,8 @@ class MockProviderService implements ProviderService {
 
   @Override
   void initializeApplicationConfiguration(AggregateConf instanceDefinition,
-      SliderFileSystem fileSystem) throws IOException, SliderException {
+      SliderFileSystem fileSystem, String roleGroup)
+    throws IOException, SliderException {
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java b/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
index 9fbb3d0..07d21d7 100644
--- a/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
+++ b/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
@@ -471,7 +471,7 @@ public class TestAgentProviderService {
     metainfo.setApplication(application);
     doReturn(metainfo).when(mockAps).getApplicationMetainfo(
         any(SliderFileSystem.class), anyString());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
 
 
 
@@ -664,7 +664,7 @@ public class TestAgentProviderService {
     hbaseMaster.setName("HBASE_MASTER");
     application.addComponent(hbaseMaster);
     metainfo.setApplication(application);
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
     doReturn(metainfo).when(mockAps).getApplicationMetainfo(
         any(SliderFileSystem.class), anyString(), anyBoolean());
 
@@ -679,7 +679,7 @@ public class TestAgentProviderService {
     reg.setActualState(State.STARTED);
 
     mockAps.initializeApplicationConfiguration(instanceDefinition,
-        null);
+        null, null);
 
     RegistrationResponse resp = mockAps.handleRegistration(reg);
     Assert.assertEquals(0, resp.getResponseId());
@@ -735,7 +735,7 @@ public class TestAgentProviderService {
     metainfo.setApplication(application);
     doReturn(metainfo).when(mockAps).getApplicationMetainfo(
         any(SliderFileSystem.class), anyString(), anyBoolean());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
     doNothing().when(mockAps).addRoleRelatedTokens(anyMap());
 
     Register reg = new Register();
@@ -748,7 +748,7 @@ public class TestAgentProviderService {
     // Simulating agent in INSTALLED state
     reg.setActualState(State.INSTALLED);
 
-    mockAps.initializeApplicationConfiguration(instanceDefinition, null);
+    mockAps.initializeApplicationConfiguration(instanceDefinition, null, "HBASE_MASTER");
 
     RegistrationResponse resp = mockAps.handleRegistration(reg);
     Assert.assertEquals(0, resp.getResponseId());
@@ -853,7 +853,7 @@ public class TestAgentProviderService {
     AgentProviderService aps = createAgentProviderService(new Configuration());
     AgentProviderService mockAps = Mockito.spy(aps);
     doNothing().when(mockAps).publishApplicationInstanceData(anyString(), anyString(), anyCollection());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
 
     Map<String, String> ports = new HashMap<String, String>();
     ports.put("global.listen_port", "10010");
@@ -892,7 +892,7 @@ public class TestAgentProviderService {
     AgentProviderService aps = createAgentProviderService(new Configuration());
     AgentProviderService mockAps = Mockito.spy(aps);
     doNothing().when(mockAps).publishApplicationInstanceData(anyString(), anyString(), anyCollection());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
     StateAccessForProviders access = createNiceMock(StateAccessForProviders.class);
     doReturn(access).when(mockAps).getAmState();
     PublishedExportsSet pubExpSet = new PublishedExportsSet();
@@ -1005,7 +1005,7 @@ public class TestAgentProviderService {
         new MockContainerId(1), "cid");
     AgentProviderService mockAps = Mockito.spy(aps);
     doNothing().when(mockAps).publishApplicationInstanceData(anyString(), anyString(), anyCollection());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
     doReturn(roleClusterNodeMap).when(mockAps).getRoleClusterNodeMapping();
     StateAccessForProviders access = createNiceMock(StateAccessForProviders.class);
     doReturn(access).when(mockAps).getAmState();
@@ -1149,7 +1149,7 @@ public class TestAgentProviderService {
 
     AgentProviderService aps = createAgentProviderService(new Configuration());
     AgentProviderService mockAps = Mockito.spy(aps);
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
     CommandScript script = mockAps.getScriptPathForMasterPackage("HBASE_MASTER");
     Assert.assertEquals(script.getScript(), "scripts/hbase_master.py");
 
@@ -1178,22 +1178,24 @@ public class TestAgentProviderService {
 
     AgentProviderService aps1 = createAgentProviderService(new Configuration());
     AgentProviderService mockAps = Mockito.spy(aps1);
-    doReturn(metainfo).when(mockAps).getMetaInfo();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
 
     AgentProviderService mockAps2 = Mockito.spy(aps1);
-    doReturn(metainfo2).when(mockAps2).getMetaInfo();
+    doReturn(metainfo2).when(mockAps2).getMetaInfo(anyString());
 
     Assert.assertTrue(mockAps.isMaster(role_hm));
     Assert.assertFalse(mockAps.isMaster(role_hrs));
     Assert.assertTrue(mockAps.canPublishConfig(role_hm));
     Assert.assertFalse(mockAps.canPublishConfig(role_hrs));
-    Assert.assertTrue(mockAps.canAnyMasterPublishConfig());
+    Assert.assertTrue(mockAps.canAnyMasterPublishConfig(role_hm));
+    Assert.assertTrue(mockAps.canAnyMasterPublishConfig(role_hrs));
 
     Assert.assertTrue(mockAps2.isMaster(role_hm));
     Assert.assertFalse(mockAps2.isMaster(role_hrs));
     Assert.assertTrue(mockAps2.canPublishConfig(role_hm));
     Assert.assertFalse(mockAps2.canPublishConfig(role_hrs));
-    Assert.assertTrue(mockAps2.canAnyMasterPublishConfig());
+    Assert.assertTrue(mockAps2.canAnyMasterPublishConfig(role_hm));
+    Assert.assertTrue(mockAps2.canAnyMasterPublishConfig(role_hrs));
   }
 
   @Test
@@ -1628,8 +1630,8 @@ public class TestAgentProviderService {
     expect(access.isApplicationLive()).andReturn(true).anyTimes();
 
     doReturn("HOST1").when(mockAps).getClusterInfoPropertyValue(anyString());
-    doReturn(metainfo).when(mockAps).getMetaInfo();
-    doReturn(new HashMap<String, DefaultConfig>()).when(mockAps).getDefaultConfigs();
+    doReturn(metainfo).when(mockAps).getMetaInfo(anyString());
+    doReturn(new HashMap<String, DefaultConfig>()).when(mockAps).getDefaultConfigs(anyString());
 
     Map<String, Map<String, ClusterNode>> roleClusterNodeMap = new HashMap<String, Map<String, ClusterNode>>();
     Map<String, ClusterNode> container = new HashMap<String, ClusterNode>();
@@ -1695,7 +1697,7 @@ public class TestAgentProviderService {
     expect(access.isApplicationLive()).andReturn(true).anyTimes();
 
     doReturn("HOST1").when(mockAps).getClusterInfoPropertyValue(anyString());
-    doReturn(defaultConfigMap).when(mockAps).getDefaultConfigs();
+    doReturn(defaultConfigMap).when(mockAps).getDefaultConfigs(anyString());
     List<String> configurations = new ArrayList<String>();
     configurations.add("hbase-site");
     configurations.add("global");
@@ -1783,7 +1785,7 @@ public class TestAgentProviderService {
     expect(access.isApplicationLive()).andReturn(true).anyTimes();
 
     doReturn("HOST1").when(mockAps).getClusterInfoPropertyValue(anyString());
-    doReturn(defaultConfigMap).when(mockAps).getDefaultConfigs();
+    doReturn(defaultConfigMap).when(mockAps).getDefaultConfigs(anyString());
     List<String> configurations = new ArrayList<String>();
     configurations.add("hbase-site");
     configurations.add("global");

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
----------------------------------------------------------------------
diff --git a/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy b/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
index 5de2b8e..1cb6f0f 100644
--- a/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
+++ b/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
@@ -38,4 +38,6 @@ interface ResourcePaths {
   String SLEEP_META = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/metainfo.json"
   String SLEEP_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig.json"
 
+  String EXTERNAL_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/resources_external_component.json"
+  String EXTERNAL_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig_external_component.json"
 }
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/000b38d5/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
----------------------------------------------------------------------
diff --git a/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy b/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
new file mode 100644
index 0000000..b5e0270
--- /dev/null
+++ b/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
@@ -0,0 +1,133 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.slider.funtest.lifecycle
+
+import groovy.transform.CompileStatic
+import groovy.util.logging.Slf4j
+import org.apache.slider.api.ClusterDescription
+import org.apache.slider.api.ResourceKeys
+import org.apache.slider.common.SliderExitCodes
+import org.apache.slider.common.SliderKeys
+import org.apache.slider.common.params.Arguments
+import org.apache.slider.common.params.SliderActions
+import org.apache.slider.funtest.ResourcePaths
+import org.apache.slider.funtest.framework.AgentCommandTestBase
+import org.apache.slider.funtest.framework.FuntestProperties
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+
+@CompileStatic
+@Slf4j
+public class ExternalComponentIT extends AgentCommandTestBase
+  implements FuntestProperties, Arguments, SliderExitCodes, SliderActions {
+
+  static String NAME = "test-external-component"
+  static String EXT_NAME = "test_sleep"
+
+  static String BUILD_APPCONFIG = ResourcePaths.SLEEP_APPCONFIG
+  static String BUILD_RESOURCES = ResourcePaths.EXTERNAL_RESOURCES
+  static String BUILD_METAINFO = ResourcePaths.SLEEP_META
+  static String TEST_APPCONFIG = ResourcePaths.EXTERNAL_APPCONFIG
+  static String TEST_RESOURCES = ResourcePaths.EXTERNAL_RESOURCES
+  static String TEST_METAINFO = ResourcePaths.SLEEP_META
+  public static final String SLEEP_100 = "SLEEP_100"
+  public static final String SLEEP_LONG = "SLEEP_LONG"
+  public static final String EXT_SLEEP_100 = EXT_NAME +
+    SliderKeys.COMPONENT_SEPARATOR + SLEEP_100
+  public static final String EXT_SLEEP_LONG = EXT_NAME +
+    SliderKeys.COMPONENT_SEPARATOR + SLEEP_LONG
+
+  @Before
+  public void prepareCluster() {
+    setupCluster(NAME)
+    setupCluster(EXT_NAME)
+  }
+
+  @After
+  public void destroyCluster() {
+    cleanup(NAME)
+    cleanup(EXT_NAME)
+  }
+
+  @Test
+  public void testExternalComponent() throws Throwable {
+    assumeAgentTestsEnabled()
+    describe NAME
+
+    slider(0, [ACTION_BUILD, EXT_NAME, ARG_METAINFO, BUILD_METAINFO,
+               ARG_TEMPLATE, BUILD_APPCONFIG, ARG_RESOURCES, BUILD_RESOURCES,
+               ARG_RES_COMP_OPT, SLEEP_100, ResourceKeys.COMPONENT_INSTANCES, "0",
+               ARG_RES_COMP_OPT, SLEEP_LONG, ResourceKeys.COMPONENT_INSTANCES, "1"
+    ])
+
+    slider(0, [ACTION_CREATE, NAME, ARG_METAINFO, TEST_METAINFO,
+               ARG_TEMPLATE, TEST_APPCONFIG, ARG_RESOURCES, TEST_RESOURCES])
+
+    ensureApplicationIsUp(NAME)
+    status(0, NAME)
+
+    ClusterDescription cd = execStatus(NAME)
+
+    assert 5 == cd.statistics.size()
+    assert cd.statistics.keySet().containsAll([SliderKeys.COMPONENT_AM,
+                                               SLEEP_100, SLEEP_LONG,
+                                               EXT_SLEEP_100, EXT_SLEEP_LONG])
+
+    expectLiveContainerCountReached(NAME, SLEEP_LONG, 1,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, EXT_SLEEP_LONG, 1,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, EXT_SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+
+    cleanup(NAME)
+
+    // test overriding the number of instances of external components
+    describe NAME + "-2"
+
+    slider(0, [ACTION_CREATE, NAME, ARG_METAINFO, TEST_METAINFO,
+               ARG_TEMPLATE, TEST_APPCONFIG, ARG_RESOURCES, TEST_RESOURCES,
+               ARG_RES_COMP_OPT, SLEEP_LONG, ResourceKeys.COMPONENT_INSTANCES, "0",
+               ARG_RES_COMP_OPT, EXT_SLEEP_LONG, ResourceKeys.COMPONENT_INSTANCES, "2",
+    ])
+
+    ensureApplicationIsUp(NAME)
+    status(0, NAME)
+
+    cd = execStatus(NAME)
+
+    assert 5 == cd.statistics.size()
+    assert cd.statistics.keySet().containsAll([SliderKeys.COMPONENT_AM,
+                                               SLEEP_100, SLEEP_LONG,
+                                               EXT_SLEEP_100, EXT_SLEEP_LONG])
+
+    expectLiveContainerCountReached(NAME, SLEEP_LONG, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, EXT_SLEEP_LONG, 2,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NAME, EXT_SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+
+  }
+}


[5/6] incubator-slider git commit: SLIDER-875 fix compilation errors in AgentProviderService

Posted by bi...@apache.org.
SLIDER-875 fix compilation errors in AgentProviderService


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/937b45b0
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/937b45b0
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/937b45b0

Branch: refs/heads/develop
Commit: 937b45b00dcc24245c6c08d6e60a4ab16d73f580
Parents: 8863393
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Wed Aug 10 08:52:47 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Wed Aug 10 08:52:47 2016 -0700

----------------------------------------------------------------------
 .../providers/agent/AgentProviderService.java   | 24 ++++++++++++--------
 1 file changed, 14 insertions(+), 10 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/937b45b0/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index bc362b5..4d68ba2 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@ -492,7 +492,7 @@ public class AgentProviderService extends AbstractProviderService implements
         LocalResourceType.ARCHIVE);
     launcher.addLocalResource(AgentKeys.APP_DEFINITION_DIR, appDefRes);
 
-    for (Package pkg : getMetaInfo().getApplication().getPackages()) {
+    for (Package pkg : getMetaInfo(roleGroup).getApplication().getPackages()) {
       Path pkgPath = fileSystem.buildResourcePath(pkg.getName());
       if (!fileSystem.isFile(pkgPath)) {
         pkgPath = fileSystem.buildResourcePath(getClusterName(),
@@ -558,7 +558,7 @@ public class AgentProviderService extends AbstractProviderService implements
       Map<String, Map<String, String>> configurations =
           buildCommandConfigurations(instanceDefinition.getAppConfOperations(),
               container.getId().toString(), roleName, roleGroup);
-      localizeConfigFiles(launcher, roleName, roleGroup, getMetaInfo(),
+      localizeConfigFiles(launcher, roleName, roleGroup, getMetaInfo(roleGroup),
           configurations, launcher.getEnv(), fileSystem);
     }
 
@@ -1417,7 +1417,8 @@ public class AgentProviderService extends AbstractProviderService implements
 
     // identify client component
     Component client = null;
-    for (Component component : getMetaInfo().getApplication().getComponents()) {
+    for (Component component : getMetaInfo(null).getApplication()
+        .getComponents()) {
       if (component.getCategory().equals("CLIENT")) {
         client = component;
         break;
@@ -1447,22 +1448,22 @@ public class AgentProviderService extends AbstractProviderService implements
       throw new IOException(e);
     }
 
-    for (ConfigFile configFile : getMetaInfo()
+    for (ConfigFile configFile : getMetaInfo(null)
         .getComponentConfigFiles(client.getName())) {
       addNamedConfiguration(configFile.getDictionaryName(),
           appConf.getGlobalOptions().options, configurations, tokens, null,
-          client.getName());
+          client.getName(), client.getName());
       if (appConf.getComponent(client.getName()) != null) {
         addNamedConfiguration(configFile.getDictionaryName(),
             appConf.getComponent(client.getName()).options, configurations,
-            tokens, null, client.getName());
+            tokens, null, client.getName(), client.getName());
       }
     }
 
     //do a final replacement of re-used configs
     dereferenceAllConfigs(configurations);
 
-    for (ConfigFile configFile : getMetaInfo()
+    for (ConfigFile configFile : getMetaInfo(null)
         .getComponentConfigFiles(client.getName())) {
       ConfigFormat configFormat = ConfigFormat.resolve(configFile.getType());
 
@@ -1581,9 +1582,12 @@ public class AgentProviderService extends AbstractProviderService implements
 
   @VisibleForTesting
   protected Metainfo getMetaInfo(String roleGroup) {
-    ConfTreeOperations appConf = getAmState().getAppConfSnapshot();
-    String mapKey = appConf.getComponentOpt(roleGroup, ROLE_PREFIX,
-        DEFAULT_METAINFO_MAP_KEY);
+    String mapKey = DEFAULT_METAINFO_MAP_KEY;
+    if (roleGroup != null) {
+      ConfTreeOperations appConf = getAmState().getAppConfSnapshot();
+      mapKey = appConf.getComponentOpt(roleGroup, ROLE_PREFIX,
+          DEFAULT_METAINFO_MAP_KEY);
+    }
     MetainfoHolder mh = this.metaInfoMap.get(mapKey);
     if (mh == null) {
       return null;


[3/6] incubator-slider git commit: SLIDER-875 address gour's comments and fix accumulo funtest failures

Posted by bi...@apache.org.
SLIDER-875 address gour's comments and fix accumulo funtest failures


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/2893d34b
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/2893d34b
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/2893d34b

Branch: refs/heads/develop
Commit: 2893d34bf09fd605971c80af1445a76c4a4d0bbd
Parents: a4dc574
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Tue Aug 9 19:54:50 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Tue Aug 9 19:54:50 2016 -0700

----------------------------------------------------------------------
 .../funtest/accumulo/AccumuloBasicIT.groovy     |  3 ++
 .../org/apache/slider/client/SliderClient.java  |  9 ++++--
 .../org/apache/slider/common/SliderKeys.java    | 10 +++++--
 .../apache/slider/common/tools/SliderUtils.java |  6 ++--
 .../slider/core/build/InstanceBuilder.java      | 29 ++++++++++----------
 .../providers/agent/AgentClientProvider.java    |  7 ++---
 .../slider/providers/agent/AgentKeys.java       |  2 +-
 .../sleep_cmd/appConfig_external_component.json |  2 +-
 .../appConfig_external_component_nested.json    |  2 +-
 .../TestBuildExternalComponent.groovy           |  6 ++--
 10 files changed, 42 insertions(+), 34 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
index 56014d7..81d290a 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
@@ -38,6 +38,8 @@ import org.apache.slider.funtest.framework.SliderShell
 import org.junit.Before
 import org.junit.Test
 
+import java.util.regex.Pattern
+
 import static org.apache.hadoop.registry.client.binding.RegistryUtils.currentUser
 import static org.apache.hadoop.registry.client.binding.RegistryUtils.servicePath
 
@@ -90,6 +92,7 @@ class AccumuloBasicIT extends AccumuloAgentCommandTestBase {
     def keys = tree.credentials.get(jks)
     assert keys!=null, "jks specified in $PROVIDER_PROPERTY wasn't requested " +
       "in credentials"
+    jks = jks.replaceAll(Pattern.quote('${CLUSTER_NAME}'), clusterName)
     Path jksPath = ProviderUtils.unnestUri(new URI(jks))
     if (clusterFS.exists(jksPath)) {
       clusterFS.delete(jksPath, false)

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
index 372ec48..78e9b89 100644
--- a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
+++ b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
@@ -721,7 +721,8 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
     AggregateConf instanceDefinition = loadInstanceDefinitionUnresolved(
         clustername, clusterDirectory);
     try {
-      checkForCredentials(getConfig(), instanceDefinition.getAppConf());
+      checkForCredentials(getConfig(), instanceDefinition.getAppConf(),
+          clustername);
     } catch (IOException e) {
       sliderFileSystem.getFileSystem().delete(clusterDirectory, true);
       throw e;
@@ -903,7 +904,7 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
   }
 
   protected static void checkForCredentials(Configuration conf,
-      ConfTree tree) throws IOException {
+      ConfTree tree, String clusterName) throws IOException {
     if (tree.credentials == null || tree.credentials.isEmpty()) {
       log.info("No credentials requested");
       return;
@@ -912,7 +913,9 @@ public class SliderClient extends AbstractSliderLaunchedService implements RunSe
     BufferedReader br = null;
     try {
       for (Entry<String, List<String>> cred : tree.credentials.entrySet()) {
-        String provider = cred.getKey();
+        String provider = cred.getKey()
+            .replaceAll(Pattern.quote("${CLUSTER_NAME}"), clusterName)
+            .replaceAll(Pattern.quote("${CLUSTER}"), clusterName);
         List<String> aliases = cred.getValue();
         if (aliases == null || aliases.isEmpty()) {
           continue;

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java b/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
index 3921324..2c9be09 100644
--- a/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
@@ -72,9 +72,15 @@ public interface SliderKeys extends SliderXmlConfKeys {
   /**
    * Key for component type. This MUST NOT be set in app_config/global {@value}
    */
-  String COMPONENT_TYPE = "site.global.component_type";
-  String EXTERNAL_COMPONENT = "external";
+  String COMPONENT_TYPE_KEY = "site.global.component_type";
+  /**
+   * A component type for an external app that has been predefined using the
+   * slider build command
+   */
+  String COMPONENT_TYPE_EXTERNAL_APP = "external_app";
   String COMPONENT_SEPARATOR = "-";
+  String[] COMPONENT_KEYS_TO_SKIP = {"zookeeper.", "env.MALLOC_ARENA_MAX",
+      "site.fs.", "site.dfs."};
 
   /**
    * Key for application version. This must be set in app_config/global {@value}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
index b798d4d..aad8b45 100644
--- a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
@@ -492,11 +492,11 @@ public final class SliderUtils {
     FileSystem srcFS = FileSystem.get(srcFile.toUri(), conf);
     //list all paths in the src.
     if (!srcFS.exists(srcFile)) {
-      throw new FileNotFoundException("Source dir not found " + srcFile);
+      throw new FileNotFoundException("Source file not found " + srcFile);
     }
     if (!srcFS.isFile(srcFile)) {
       throw new FileNotFoundException(
-          "Source dir not a file " + srcFile);
+          "Source file not a file " + srcFile);
     }
     FileSystem destFS = FileSystem.get(destFile.toUri(), conf);
     if (destFS.exists(destFile)) {
@@ -962,7 +962,7 @@ public final class SliderUtils {
    * @param  prefixes prefixes to ignore
    * @return 'first' merged with the second
    */
-  public static Map<String, String> mergeMapsIgnorePrefixes(
+  public static Map<String, String> mergeMapsIgnoreDuplicateKeysAndPrefixes(
       Map<String, String> first, Map<String, String> second,
       String... prefixes) {
     Preconditions.checkArgument(first != null, "Null 'first' value");

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
index 6a7975e..8155214 100644
--- a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
+++ b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
@@ -72,8 +72,8 @@ import static org.apache.slider.api.OptionKeys.ZOOKEEPER_QUORUM;
 import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 import static org.apache.slider.common.SliderKeys.COMPONENT_AM;
 import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
-import static org.apache.slider.common.SliderKeys.COMPONENT_TYPE;
-import static org.apache.slider.common.SliderKeys.EXTERNAL_COMPONENT;
+import static org.apache.slider.common.SliderKeys.COMPONENT_TYPE_EXTERNAL_APP;
+import static org.apache.slider.common.SliderKeys.COMPONENT_TYPE_KEY;
 import static org.apache.slider.common.tools.SliderUtils.isClusternameValid;
 
 /**
@@ -260,10 +260,11 @@ public class InstanceBuilder {
   }
 
 
-  private void getExternalComponents(ConfTreeOperations ops,
-      Set<String> externalComponents) throws BadConfigException {
-    if (ops.getGlobalOptions().get(COMPONENT_TYPE) != null) {
-      throw new BadConfigException(COMPONENT_TYPE + " must be " +
+  private Set<String> getExternalComponents(ConfTreeOperations ops)
+      throws BadConfigException {
+    Set<String> externalComponents = new HashSet<>();
+    if (ops.getGlobalOptions().containsKey(COMPONENT_TYPE_KEY)) {
+      throw new BadConfigException(COMPONENT_TYPE_KEY + " must be " +
           "specified per-component, not in global");
     }
 
@@ -273,15 +274,13 @@ public class InstanceBuilder {
         continue;
       }
       Map<String, String> options = entry.getValue();
-      if (EXTERNAL_COMPONENT.equals(options.get(COMPONENT_TYPE))) {
+      if (COMPONENT_TYPE_EXTERNAL_APP.equals(options.get(COMPONENT_TYPE_KEY))) {
         externalComponents.add(entry.getKey());
       }
     }
+    return externalComponents;
   }
 
-  private static String[] PREFIXES_TO_SKIP = {"zookeeper.",
-      "env.MALLOC_ARENA_MAX", "site.fs.", "site.dfs."};
-
   private void mergeExternalComponent(ConfTreeOperations ops,
       ConfTreeOperations externalOps, String externalComponent,
       Integer priority) throws BadConfigException {
@@ -297,11 +296,12 @@ public class InstanceBuilder {
       if (priority == null) {
         SliderUtils.mergeMaps(subComponentOps,
             ops.getComponent(externalComponent).options);
-        subComponentOps.remove(COMPONENT_TYPE);
+        subComponentOps.remove(COMPONENT_TYPE_KEY);
       }
 
-      SliderUtils.mergeMapsIgnorePrefixes(subComponentOps,
-          externalOps.getComponent(subComponent), PREFIXES_TO_SKIP);
+      SliderUtils.mergeMapsIgnoreDuplicateKeysAndPrefixes(subComponentOps,
+          externalOps.getComponent(subComponent),
+          SliderKeys.COMPONENT_KEYS_TO_SKIP);
 
       // add prefix to existing prefix
       String existingPrefix = subComponentOps.get(ROLE_PREFIX);
@@ -348,8 +348,7 @@ public class InstanceBuilder {
       }
     }
 
-    Set<String> externalComponents = new HashSet<>();
-    getExternalComponents(appConf, externalComponents);
+    Set<String> externalComponents = getExternalComponents(appConf);
     if (!externalComponents.isEmpty()) {
       log.info("Found external components {}", externalComponents);
     }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
index 8c0a2e4..1567fc9 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
@@ -74,8 +74,6 @@ import java.util.Set;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
-import static org.apache.slider.providers.agent.AgentUtils.getMetainfoComponentName;
-
 /** This class implements  the client-side aspects of the agent deployer */
 public class AgentClientProvider extends AbstractClientProvider
     implements AgentKeys, SliderKeys {
@@ -184,7 +182,7 @@ public class AgentClientProvider extends AbstractClientProvider
 
       if (metaInfo != null) {
         Component componentDef = metaInfo.getApplicationComponent(
-            getMetainfoComponentName(name,
+            AgentUtils.getMetainfoComponentName(name,
                 instanceDefinition.getAppConfOperations()));
         if (componentDef == null) {
           throw new BadConfigException(
@@ -215,9 +213,8 @@ public class AgentClientProvider extends AbstractClientProvider
       // fileSystem may be null for tests
       if (metaInfo != null) {
         Component componentDef = metaInfo.getApplicationComponent(
-            getMetainfoComponentName(name,
+            AgentUtils.getMetainfoComponentName(name,
                 instanceDefinition.getAppConfOperations()));
-        // already checked it wasn't null
 
         // ensure that intance count is 0 for client components
         if ("CLIENT".equals(componentDef.getCategory())) {

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
index 565d73d..8341af4 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
@@ -99,7 +99,7 @@ public interface AgentKeys {
   String KEY_CONTAINER_LAUNCH_DELAY = "container.launch.delay.sec";
   String TEST_RELAX_VERIFICATION = "test.relax.validation";
 
-  String DEFAULT_METAINFO_MAP_KEY = "DEFAULT";
+  String DEFAULT_METAINFO_MAP_KEY = "DEFAULT_KEY";
 }
 
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
index 853310d..b026b9d 100644
--- a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component.json
@@ -6,7 +6,7 @@
   },
   "components": {
     "test_sleep": {
-      "site.global.component_type": "external"
+      "site.global.component_type": "external_app"
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
index f67f83a..a9972cf 100644
--- a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
@@ -6,7 +6,7 @@
   },
   "components": {
     "test-external-component": {
-      "site.global.component_type": "external"
+      "site.global.component_type": "external_app"
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/2893d34b/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
----------------------------------------------------------------------
diff --git a/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy b/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
index 8dd693e..13f5f3b 100644
--- a/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
+++ b/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
@@ -67,7 +67,7 @@ class TestBuildExternalComponent extends AgentMiniClusterTestBase {
       SliderActions.ACTION_BUILD,
       parent1,
       [(echo): 1],
-      [ARG_COMP_OPT, clustername, COMPONENT_TYPE, EXTERNAL_COMPONENT,
+      [ARG_COMP_OPT, clustername, COMPONENT_TYPE_KEY, COMPONENT_TYPE_EXTERNAL_APP,
        ARG_RES_COMP_OPT, echo, ResourceKeys.COMPONENT_PRIORITY, "3"],
       true,
       false,
@@ -97,8 +97,8 @@ class TestBuildExternalComponent extends AgentMiniClusterTestBase {
       SliderActions.ACTION_BUILD,
       parent2,
       [(echo): 1],
-      [ARG_COMP_OPT, clustername, COMPONENT_TYPE, EXTERNAL_COMPONENT,
-       ARG_COMP_OPT, parent1, COMPONENT_TYPE, EXTERNAL_COMPONENT,
+      [ARG_COMP_OPT, clustername, COMPONENT_TYPE_KEY, COMPONENT_TYPE_EXTERNAL_APP,
+       ARG_COMP_OPT, parent1, COMPONENT_TYPE_KEY, COMPONENT_TYPE_EXTERNAL_APP,
        ARG_RES_COMP_OPT, echo, ResourceKeys.COMPONENT_PRIORITY, "4"],
       true,
       false,


[2/6] incubator-slider git commit: SLIDER-875 better handling and support of nested external components through addition of role.prefix

Posted by bi...@apache.org.
SLIDER-875 better handling and support of nested external components through addition of role.prefix


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/a4dc574c
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/a4dc574c
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/a4dc574c

Branch: refs/heads/develop
Commit: a4dc574c9f60e2f07906b37f8200e9488269c20d
Parents: 000b38d
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Wed Jul 13 09:53:47 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Wed Jul 13 09:53:47 2016 -0700

----------------------------------------------------------------------
 .../java/org/apache/slider/api/RoleKeys.java    |   5 +
 .../apache/slider/common/tools/SliderUtils.java |   9 ++
 .../slider/core/build/InstanceBuilder.java      | 108 +++++++++++----
 .../slider/core/conf/ConfTreeOperations.java    |  39 ++++++
 .../providers/agent/AgentClientProvider.java    |   6 +-
 .../slider/providers/agent/AgentKeys.java       |   1 +
 .../providers/agent/AgentProviderService.java   |  42 +++---
 .../slider/providers/agent/AgentUtils.java      |  30 ++--
 .../providers/agent/ComponentCommandOrder.java  | 110 ++++++++++-----
 .../slider/server/appmaster/state/AppState.java |   5 +
 .../appConfig_external_component_nested.json    |  12 ++
 .../test_min_pkg/sleep_cmd/metainfo.json        |   6 +
 .../metainfo_external_component_nested.json     |  14 ++
 .../resources_external_component_nested.json    |  12 ++
 .../TestBuildExternalComponent.groovy           | 138 +++++++++++++++++++
 .../agent/TestAgentProviderService.java         |  35 ++---
 .../agent/TestComponentCommandOrder.java        | 107 +++++++++++++-
 .../apache/slider/funtest/ResourcePaths.groovy  |   4 +
 .../funtest/misc/ExternalComponentIT.groovy     |  38 +++++
 19 files changed, 589 insertions(+), 132 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/api/RoleKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/api/RoleKeys.java b/slider-core/src/main/java/org/apache/slider/api/RoleKeys.java
index 812a6b3..ce413ff 100644
--- a/slider-core/src/main/java/org/apache/slider/api/RoleKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/api/RoleKeys.java
@@ -35,6 +35,11 @@ public interface RoleKeys {
   String ROLE_GROUP = "role.group";
 
   /**
+   * The prefix of a role: {@value}
+   */
+  String ROLE_PREFIX = "role.prefix";
+
+  /**
    * Status report: number actually granted : {@value} 
    */
   String ROLE_ACTUAL_INSTANCES = "role.actual.instances";

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
index c48e109..b798d4d 100644
--- a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
@@ -123,6 +123,8 @@ import java.util.zip.GZIPOutputStream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
+import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
+
 /**
  * These are slider-specific Util methods
  */
@@ -2612,4 +2614,11 @@ public final class SliderUtils {
     }
     return buffer.toString();
   }
+
+  public static String trimPrefix(String prefix) {
+    if (prefix != null && prefix.endsWith(COMPONENT_SEPARATOR)) {
+      return prefix.substring(0, prefix.length()-1);
+    }
+    return prefix;
+  }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
index 4afdf7c..6a7975e 100644
--- a/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
+++ b/slider-core/src/main/java/org/apache/slider/core/build/InstanceBuilder.java
@@ -69,6 +69,7 @@ import static org.apache.slider.api.OptionKeys.INTERNAL_SNAPSHOT_CONF_PATH;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_HOSTS;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_PATH;
 import static org.apache.slider.api.OptionKeys.ZOOKEEPER_QUORUM;
+import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 import static org.apache.slider.common.SliderKeys.COMPONENT_AM;
 import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
 import static org.apache.slider.common.SliderKeys.COMPONENT_TYPE;
@@ -85,7 +86,7 @@ public class InstanceBuilder {
   private final CoreFileSystem coreFS;
   private final InstancePaths instancePaths;
   private AggregateConf instanceDescription;
-  private Map<Path, Path> externalAppDefs = new HashMap<>();
+  private Map<String, Path> externalAppDefs = new HashMap<>();
   private TreeSet<Integer> priorities = new TreeSet<>();
 
   private static final Logger log =
@@ -272,8 +273,7 @@ public class InstanceBuilder {
         continue;
       }
       Map<String, String> options = entry.getValue();
-      if (options.containsKey(COMPONENT_TYPE) &&
-          EXTERNAL_COMPONENT.equals(options.get(COMPONENT_TYPE))) {
+      if (EXTERNAL_COMPONENT.equals(options.get(COMPONENT_TYPE))) {
         externalComponents.add(entry.getKey());
       }
     }
@@ -284,17 +284,37 @@ public class InstanceBuilder {
 
   private void mergeExternalComponent(ConfTreeOperations ops,
       ConfTreeOperations externalOps, String externalComponent,
-      Integer priority) {
+      Integer priority) throws BadConfigException {
     for (String subComponent : externalOps.getComponentNames()) {
       if (COMPONENT_AM.equals(subComponent)) {
         continue;
       }
+      String prefix = externalComponent + COMPONENT_SEPARATOR;
       log.debug("Merging options for {} into {}", subComponent,
-          externalComponent + COMPONENT_SEPARATOR + subComponent);
-      MapOperations subComponentOps = ops.getOrAddComponent(externalComponent +
-          COMPONENT_SEPARATOR + subComponent);
+          prefix + subComponent);
+      MapOperations subComponentOps = ops.getOrAddComponent(
+          prefix + subComponent);
+      if (priority == null) {
+        SliderUtils.mergeMaps(subComponentOps,
+            ops.getComponent(externalComponent).options);
+        subComponentOps.remove(COMPONENT_TYPE);
+      }
+
       SliderUtils.mergeMapsIgnorePrefixes(subComponentOps,
           externalOps.getComponent(subComponent), PREFIXES_TO_SKIP);
+
+      // add prefix to existing prefix
+      String existingPrefix = subComponentOps.get(ROLE_PREFIX);
+      if (existingPrefix != null) {
+        if (!subComponent.startsWith(existingPrefix)) {
+          throw new BadConfigException("Bad prefix " + existingPrefix +
+              " for subcomponent " + subComponent + " of " + externalComponent);
+        }
+        prefix = prefix + existingPrefix;
+      }
+      subComponentOps.set(ROLE_PREFIX, prefix);
+
+      // adjust priority
       if (priority != null) {
         subComponentOps.put(ResourceKeys.COMPONENT_PRIORITY,
             Integer.toString(priority));
@@ -322,10 +342,6 @@ public class InstanceBuilder {
       if (COMPONENT_AM.equals(entry.getKey())) {
         continue;
       }
-      if (entry.getKey().contains(COMPONENT_SEPARATOR)) {
-        throw new BadConfigException("Components must not contain " +
-            COMPONENT_SEPARATOR + ": " + entry.getKey());
-      }
       if (entry.getValue().containsKey(ResourceKeys.COMPONENT_PRIORITY)) {
         priorities.add(Integer.parseInt(entry.getValue().get(
             ResourceKeys.COMPONENT_PRIORITY)));
@@ -358,31 +374,73 @@ public class InstanceBuilder {
         throw new BadConfigException("Couldn't read configuration for " +
             "external component " + component);
       }
-      String externalAppDef = componentConf.getAppConfOperations()
-          .getGlobalOptions().get(AgentKeys.APP_DEF);
+
+      ConfTreeOperations componentAppConf = componentConf.getAppConfOperations();
+      String externalAppDef = componentAppConf.get(AgentKeys.APP_DEF);
       if (SliderUtils.isSet(externalAppDef)) {
         Path newAppDef = new Path(coreFS.buildAppDefDirPath(clustername),
             component + "_" + SliderKeys.DEFAULT_APP_PKG);
-        componentConf.getAppConfOperations().set(AgentKeys.APP_DEF, newAppDef);
-        externalAppDefs.put(newAppDef, new Path(externalAppDef));
+        componentAppConf.set(AgentKeys.APP_DEF, newAppDef);
+        componentAppConf.append(AgentKeys.APP_DEF_ORIGINAL, externalAppDef);
+        log.info("Copying external appdef {} to {} for {}", externalAppDef,
+            newAppDef, component);
+        externalAppDefs.put(externalAppDef, newAppDef);
+        externalAppDef = newAppDef.toString();
       }
+
       for (String rcomp : componentConf.getResourceOperations()
           .getComponentNames()) {
         if (COMPONENT_AM.equals(rcomp)) {
           continue;
         }
         log.debug("Adding component {} to appConf for {}", rcomp, component);
-        componentConf.getAppConfOperations().getOrAddComponent(rcomp);
+        componentAppConf.getOrAddComponent(rcomp);
       }
-      SliderUtils.mergeMaps(
-          componentConf.getAppConfOperations().getGlobalOptions().options,
-          appConf.getComponent(component).options);
-      componentConf.getAppConfOperations().getGlobalOptions()
-          .remove(COMPONENT_TYPE);
       componentConf.resolve();
 
-      mergeExternalComponent(appConf, componentConf.getAppConfOperations(),
-          component, null);
+      for (String rcomp : componentConf.getResourceOperations()
+          .getComponentNames()) {
+        if (COMPONENT_AM.equals(rcomp)) {
+          continue;
+        }
+        String componentAppDef = componentAppConf.getComponentOpt(
+            rcomp, AgentKeys.APP_DEF, null);
+        if (SliderUtils.isUnset(componentAppDef) ||
+            componentAppDef.equals(externalAppDef)) {
+          continue;
+        }
+        if (externalAppDefs.containsKey(componentAppDef)) {
+          log.info("Using external appdef {} for {}",
+              externalAppDefs.get(componentAppDef), rcomp);
+        } else {
+          String existingPrefix = componentAppConf.getComponentOpt(rcomp,
+              ROLE_PREFIX, null);
+          if (SliderUtils.isUnset(existingPrefix)) {
+            existingPrefix = "";
+          } else {
+            existingPrefix = COMPONENT_SEPARATOR + SliderUtils.trimPrefix(
+                existingPrefix);
+          }
+          Path newAppDef = new Path(coreFS.buildAppDefDirPath(clustername),
+              component + existingPrefix + "_" + SliderKeys.DEFAULT_APP_PKG);
+          externalAppDefs.put(componentAppDef, newAppDef);
+          log.info("Copying external appdef {} to {} for {}", componentAppDef,
+              newAppDef, component + COMPONENT_SEPARATOR + rcomp);
+        }
+        componentAppConf.setComponentOpt(rcomp, AgentKeys.APP_DEF,
+            externalAppDefs.get(componentAppDef).toString());
+        componentAppConf.appendComponentOpt(rcomp,
+            AgentKeys.APP_DEF_ORIGINAL, componentAppDef);
+      }
+      Set<Path> newAppDefs = new HashSet<>();
+      newAppDefs.addAll(externalAppDefs.values());
+      if (newAppDefs.size() != externalAppDefs.size()) {
+        throw new IllegalStateException("Values repeat in external appdefs "
+            + externalAppDefs);
+      }
+      log.info("External appdefs after {}: {}", component, externalAppDefs);
+
+      mergeExternalComponent(appConf, componentAppConf, component, null);
       mergeExternalComponent(resources, componentConf.getResourceOperations(),
           component, getNextPriority());
     }
@@ -411,8 +469,8 @@ public class InstanceBuilder {
       action = new ConfDirSnapshotAction(appconfdir);
     }
     persister.save(instanceDescription, action);
-    for (Entry<Path, Path> appDef : externalAppDefs.entrySet()) {
-      SliderUtils.copy(conf, appDef.getValue(), appDef.getKey());
+    for (Entry<String, Path> appDef : externalAppDefs.entrySet()) {
+      SliderUtils.copy(conf, new Path(appDef.getKey()), appDef.getValue());
     }
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java b/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
index 4a0ae41..038513e 100644
--- a/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
+++ b/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
@@ -214,6 +214,23 @@ public class ConfTreeOperations {
   public String get(String key) {
     return globalOptions.get(key);
   }
+  /**
+   * append to a global option
+   * @param key key
+   * @return value
+   *
+   */
+  public String append(String key, String value) {
+    if (SliderUtils.isUnset(value)) {
+      return null;
+    }
+    if (globalOptions.containsKey(key)) {
+      globalOptions.put(key, globalOptions.get(key) + "," + value);
+    } else {
+      globalOptions.put(key, value);
+    }
+    return globalOptions.get(key);
+  }
 
   /**
    * Propagate all global keys matching a prefix
@@ -471,4 +488,26 @@ public class ConfTreeOperations {
     setComponentOpt(role, option, Long.toString(val));
   }
 
+  /**
+   * append to a component option
+   * @param key key
+   * @return value
+   *
+   */
+  public String appendComponentOpt(String role, String key, String value) {
+    if (SliderUtils.isUnset(value)) {
+      return null;
+    }
+    MapOperations roleopts = getComponent(role);
+    if (roleopts == null) {
+      return null;
+    }
+
+    if (roleopts.containsKey(key)) {
+      roleopts.put(key, roleopts.get(key) + "," + value);
+    } else {
+      roleopts.put(key, value);
+    }
+    return roleopts.get(key);
+  }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
index 6eae75e..8c0a2e4 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
@@ -184,7 +184,8 @@ public class AgentClientProvider extends AbstractClientProvider
 
       if (metaInfo != null) {
         Component componentDef = metaInfo.getApplicationComponent(
-            getMetainfoComponentName(name));
+            getMetainfoComponentName(name,
+                instanceDefinition.getAppConfOperations()));
         if (componentDef == null) {
           throw new BadConfigException(
               "Component %s is not a member of application.", name);
@@ -214,7 +215,8 @@ public class AgentClientProvider extends AbstractClientProvider
       // fileSystem may be null for tests
       if (metaInfo != null) {
         Component componentDef = metaInfo.getApplicationComponent(
-            getMetainfoComponentName(name));
+            getMetainfoComponentName(name,
+                instanceDefinition.getAppConfOperations()));
         // already checked it wasn't null
 
         // ensure that intance count is 0 for client components

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
index 8514401..565d73d 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
@@ -68,6 +68,7 @@ public interface AgentKeys {
   String AGENT_MAIN_SCRIPT = "agent/main.py";
 
   String APP_DEF = "application.def";
+  String APP_DEF_ORIGINAL = "application.def.original";
   String ADDON_PREFIX = "application.addon.";
   String ADDONS = "application.addons";
   String AGENT_VERSION = "agent.version";

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index 66fac99..452122f 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@ -133,7 +133,7 @@ import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import static org.apache.slider.providers.agent.AgentUtils.getMetainfoMapKey;
+import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 import static org.apache.slider.server.appmaster.web.rest.RestPaths.SLIDER_PATH_AGENTS;
 
 /**
@@ -288,7 +288,8 @@ public class AgentProviderService extends AbstractProviderService implements
                              SliderFileSystem fileSystem,
                              String roleGroup)
       throws IOException, SliderException {
-    String mapKey = getMetainfoMapKey(roleGroup);
+    String mapKey = instanceDefinition.getAppConfOperations()
+        .getComponentOpt(roleGroup, ROLE_PREFIX, DEFAULT_METAINFO_MAP_KEY);
     String appDef = SliderUtils.getApplicationDefinitionPath(
         instanceDefinition.getAppConfOperations(), roleGroup);
     MapOperations component = null;
@@ -319,16 +320,17 @@ public class AgentProviderService extends AbstractProviderService implements
               log.info("Modifying external metainfo component name to {}",
                   comp.getName());
             }
-            String commandPrefix = mapKey.substring(0,
-                mapKey.indexOf(COMPONENT_SEPARATOR)+1);
             for (CommandOrder co : commandOrders) {
               log.info("Adding prefix {} to command order {}",
-                  commandPrefix, co);
-              co.setCommand(commandPrefix + co.getCommand());
-              co.setRequires(commandPrefix + co.getRequires());
+                  mapKey, co);
+              co.setCommand(mapKey + co.getCommand());
+              co.setRequires(mapKey + co.getRequires());
             }
           }
-          commandOrder.mergeCommandOrders(commandOrders);
+          log.debug("Merging command orders {} for {}", commandOrders,
+              roleGroup);
+          commandOrder.mergeCommandOrders(commandOrders,
+              instanceDefinition.getResourceOperations());
           Map<String, DefaultConfig> defaultConfigs =
               initializeDefaultConfigs(fileSystem, appDef, metaInfo);
           metaInfoMap.put(mapKey, new MetainfoHolder(metaInfo, defaultConfigs));
@@ -1393,7 +1395,10 @@ public class AgentProviderService extends AbstractProviderService implements
 
   @VisibleForTesting
   protected Metainfo getMetaInfo(String roleGroup) {
-    MetainfoHolder mh = this.metaInfoMap.get(getMetainfoMapKey(roleGroup));
+    ConfTreeOperations appConf = getAmState().getAppConfSnapshot();
+    String mapKey = appConf.getComponentOpt(roleGroup, ROLE_PREFIX,
+        DEFAULT_METAINFO_MAP_KEY);
+    MetainfoHolder mh = this.metaInfoMap.get(mapKey);
     if (mh == null) {
       return null;
     }
@@ -1468,7 +1473,10 @@ public class AgentProviderService extends AbstractProviderService implements
   }
 
   protected Map<String, DefaultConfig> getDefaultConfigs(String roleGroup) {
-    return metaInfoMap.get(getMetainfoMapKey(roleGroup)).defaultConfigs;
+    ConfTreeOperations appConf = getAmState().getAppConfSnapshot();
+    String mapKey = appConf.getComponentOpt(roleGroup, ROLE_PREFIX,
+        DEFAULT_METAINFO_MAP_KEY);
+    return metaInfoMap.get(mapKey).defaultConfigs;
   }
 
   private int getHeartbeatMonitorInterval() {
@@ -2900,14 +2908,14 @@ public class AgentProviderService extends AbstractProviderService implements
     tokens.put("${NN_HOST}", URI.create(nnuri).getHost());
     tokens.put("${ZK_HOST}", appConf.get(OptionKeys.ZOOKEEPER_HOSTS));
     tokens.put("${DEFAULT_ZK_PATH}", appConf.get(OptionKeys.ZOOKEEPER_PATH));
-    String mapKey = getMetainfoMapKey(componentGroup);
+    String prefix = appConf.getComponentOpt(componentGroup, ROLE_PREFIX,
+        null);
     String dataDirSuffix = "";
-    if (!DEFAULT_METAINFO_MAP_KEY.equals(mapKey)) {
-      dataDirSuffix = "_" + mapKey.substring(0, mapKey.length()-1);
+    if (prefix == null) {
+      prefix = "";
     } else {
-      mapKey = "";
+      dataDirSuffix = "_" + SliderUtils.trimPrefix(prefix);
     }
-    mapKey = mapKey.toLowerCase();
     tokens.put("${DEFAULT_DATA_DIR}", getAmState()
         .getInternalsSnapshot()
         .getGlobalOptions()
@@ -2915,8 +2923,8 @@ public class AgentProviderService extends AbstractProviderService implements
     tokens.put("${JAVA_HOME}", appConf.get(AgentKeys.JAVA_HOME));
     tokens.put("${COMPONENT_NAME}", componentName);
     tokens.put("${COMPONENT_NAME.lc}", componentName.toLowerCase());
-    tokens.put("${COMPONENT_PREFIX}", mapKey);
-    tokens.put("${COMPONENT_PREFIX.lc}", mapKey.toLowerCase());
+    tokens.put("${COMPONENT_PREFIX}", prefix);
+    tokens.put("${COMPONENT_PREFIX.lc}", prefix.toLowerCase());
     if (!componentName.equals(componentGroup) && componentName.startsWith(componentGroup)) {
       tokens.put("${COMPONENT_ID}", componentName.substring(componentGroup.length()));
     }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
index ed5108c..23e05a3 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentUtils.java
@@ -21,6 +21,7 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.slider.common.tools.SliderFileSystem;
 import org.apache.slider.common.tools.SliderUtils;
+import org.apache.slider.core.conf.ConfTreeOperations;
 import org.apache.slider.core.exceptions.BadConfigException;
 import org.apache.slider.providers.agent.application.metadata.AbstractMetainfoParser;
 import org.apache.slider.providers.agent.application.metadata.AddonPackageMetainfoParser;
@@ -35,8 +36,7 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 
-import static org.apache.slider.common.SliderKeys.COMPONENT_SEPARATOR;
-import static org.apache.slider.providers.agent.AgentKeys.DEFAULT_METAINFO_MAP_KEY;
+import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 
 /**
  *
@@ -135,24 +135,16 @@ public class AgentUtils {
     return new DefaultConfigParser().parse(configStream);
   }
 
-  static String getMetainfoMapKey(String roleGroup) {
-    if (roleGroup == null) {
-      return DEFAULT_METAINFO_MAP_KEY;
-    }
-    int lastIndex = roleGroup.lastIndexOf(COMPONENT_SEPARATOR);
-    if (lastIndex == -1) {
-      return DEFAULT_METAINFO_MAP_KEY;
-    } else {
-      return roleGroup.substring(0, lastIndex+1);
-    }
-  }
-
-  static String getMetainfoComponentName(String roleGroup) {
-    int lastIndex = roleGroup.lastIndexOf(COMPONENT_SEPARATOR);
-    if (lastIndex == -1) {
+  static String getMetainfoComponentName(String roleGroup,
+      ConfTreeOperations appConf) throws BadConfigException {
+    String prefix = appConf.getComponentOpt(roleGroup, ROLE_PREFIX, null);
+    if (prefix == null) {
       return roleGroup;
-    } else {
-      return roleGroup.substring(lastIndex+1);
     }
+    if (!roleGroup.startsWith(prefix)) {
+      throw new BadConfigException("Component " + roleGroup + " doesn't start" +
+          " with prefix " + prefix);
+    }
+    return roleGroup.substring(prefix.length());
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
index e2c879e..4abac7a 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentCommandOrder.java
@@ -18,6 +18,8 @@
 
 package org.apache.slider.providers.agent;
 
+import org.apache.slider.common.tools.SliderUtils;
+import org.apache.slider.core.conf.ConfTreeOperations;
 import org.apache.slider.providers.agent.application.metadata.CommandOrder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -25,9 +27,12 @@ import org.slf4j.LoggerFactory;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 
+import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
+
 /**
  * Stores the command dependency order for all components in a service. <commandOrder>
  * <command>SUPERVISOR-START</command> <requires>NIMBUS-STARTED</requires> </commandOrder> Means, SUPERVISOR START
@@ -39,19 +44,36 @@ public class ComponentCommandOrder {
   private static char SPLIT_CHAR = '-';
   Map<Command, Map<String, List<ComponentState>>> dependencies =
       new HashMap<Command, Map<String, List<ComponentState>>>();
+  Map<String, Collection<String>> prefixRoleMap = new HashMap<>();
+  Map<String, String> rolePrefixMap = new HashMap<>();
 
   public ComponentCommandOrder() {}
 
-  public ComponentCommandOrder(List<CommandOrder> commandOrders) {
-    mergeCommandOrders(commandOrders);
+  public ComponentCommandOrder(List<CommandOrder> commandOrders,
+      ConfTreeOperations resources) {
+    mergeCommandOrders(commandOrders, resources);
   }
 
-  void mergeCommandOrders(List<CommandOrder> commandOrders) {
+  void mergeCommandOrders(List<CommandOrder> commandOrders,
+      ConfTreeOperations resources) {
+    for (String component : resources.getComponentNames()) {
+      String prefix = SliderUtils.trimPrefix(
+          resources.getComponentOpt(component, ROLE_PREFIX, null));
+      if (prefix != null) {
+        rolePrefixMap.put(component, prefix);
+        if (!prefixRoleMap.containsKey(prefix)) {
+          prefixRoleMap.put(prefix, new HashSet<String>());
+        }
+        prefixRoleMap.get(prefix).add(component);
+      }
+    }
     if (commandOrders != null && commandOrders.size() > 0) {
       for (CommandOrder commandOrder : commandOrders) {
-        ComponentCommand componentCmd = getComponentCommand(commandOrder.getCommand());
+        ComponentCommand componentCmd = getComponentCommand(
+            commandOrder.getCommand(), resources);
         String requires = commandOrder.getRequires();
-        List<ComponentState> requiredStates = parseRequiredStates(requires);
+        List<ComponentState> requiredStates = parseRequiredStates(requires,
+            resources);
         if (requiredStates.size() > 0) {
           Map<String, List<ComponentState>> compDep = dependencies.get(componentCmd.command);
           if (compDep == null) {
@@ -71,7 +93,8 @@ public class ComponentCommandOrder {
     }
   }
 
-  private List<ComponentState> parseRequiredStates(String requires) {
+  private List<ComponentState> parseRequiredStates(String requires,
+      ConfTreeOperations resources) {
     if (requires == null || requires.length() < 2) {
       throw new IllegalArgumentException("Input cannot be null and must contain component and state.");
     }
@@ -79,13 +102,14 @@ public class ComponentCommandOrder {
     String[] componentStates = requires.split(",");
     List<ComponentState> retList = new ArrayList<ComponentState>();
     for (String componentStateStr : componentStates) {
-      retList.add(getComponentState(componentStateStr));
+      retList.add(getComponentState(componentStateStr, resources));
     }
 
     return retList;
   }
 
-  private ComponentCommand getComponentCommand(String compCmdStr) {
+  private ComponentCommand getComponentCommand(String compCmdStr,
+      ConfTreeOperations resources) {
     if (compCmdStr == null || compCmdStr.trim().length() < 2) {
       throw new IllegalArgumentException("Input cannot be null and must contain component and command.");
     }
@@ -98,6 +122,11 @@ public class ComponentCommandOrder {
     String compStr = compCmdStr.substring(0, splitIndex);
     String cmdStr = compCmdStr.substring(splitIndex + 1);
 
+    if (resources.getComponent(compStr) == null && !prefixRoleMap.containsKey(compStr)) {
+      throw new IllegalArgumentException("Component " + compStr + " specified" +
+          " in command order does not exist");
+    }
+
     Command cmd = Command.valueOf(cmdStr);
 
     if (cmd != Command.START) {
@@ -106,7 +135,8 @@ public class ComponentCommandOrder {
     return new ComponentCommand(compStr, cmd);
   }
 
-  private ComponentState getComponentState(String compStStr) {
+  private ComponentState getComponentState(String compStStr,
+      ConfTreeOperations resources) {
     if (compStStr == null || compStStr.trim().length() < 2) {
       throw new IllegalArgumentException("Input cannot be null.");
     }
@@ -119,6 +149,11 @@ public class ComponentCommandOrder {
     String compStr = compStStr.substring(0, splitIndex);
     String stateStr = compStStr.substring(splitIndex + 1);
 
+    if (resources.getComponent(compStr) == null && !prefixRoleMap.containsKey(compStr)) {
+      throw new IllegalArgumentException("Component " + compStr + " specified" +
+          " in command order does not exist");
+    }
+
     State state = State.valueOf(stateStr);
     if (state != State.STARTED && state != State.INSTALLED) {
       throw new IllegalArgumentException("Dependency order can only be specified against STARTED/INSTALLED.");
@@ -129,40 +164,43 @@ public class ComponentCommandOrder {
   // dependency is still on component level, but not package level
   // so use component name to check dependency, not component-package
   public boolean canExecute(String component, Command command, Collection<ComponentInstanceState> currentStates) {
-    boolean canExecute = true;
-    if (dependencies.containsKey(command) && dependencies.get(command).containsKey(component)) {
-      List<ComponentState> required = dependencies.get(command).get(component);
-      for (ComponentState stateToMatch : required) {
-        for (ComponentInstanceState currState : currentStates) {
-          log.debug("Checking schedule {} {} against dependency {} is {}",
-                    component, command, currState.getComponentName(), currState.getState());
-          if (currState.getComponentName().equals(stateToMatch.componentName)) {
-            if (currState.getState() != stateToMatch.state) {
-              if (stateToMatch.state == State.STARTED) {
+    if (!dependencies.containsKey(command)) {
+      return true;
+    }
+    List<ComponentState> required = new ArrayList<>();
+    if (dependencies.get(command).containsKey(component)) {
+      required.addAll(dependencies.get(command).get(component));
+    }
+    String prefix = rolePrefixMap.get(component);
+    if (prefix != null && dependencies.get(command).containsKey(prefix)) {
+      required.addAll(dependencies.get(command).get(prefix));
+    }
+
+    for (ComponentState stateToMatch : required) {
+      for (ComponentInstanceState currState : currentStates) {
+        log.debug("Checking schedule {} {} against dependency {} is {}",
+            component, command, currState.getComponentName(), currState.getState());
+        if (currState.getComponentName().equals(stateToMatch.componentName) ||
+            (prefixRoleMap.containsKey(stateToMatch.componentName) &&
+                prefixRoleMap.get(stateToMatch.componentName).contains(currState.getComponentName()))) {
+          if (currState.getState() != stateToMatch.state) {
+            if (stateToMatch.state == State.STARTED) {
+              log.info("Cannot schedule {} {} as dependency {} is {}",
+                  component, command, currState.getComponentName(), currState.getState());
+              return false;
+            } else {
+              //state is INSTALLED
+              if (currState.getState() != State.STARTING && currState.getState() != State.STARTED) {
                 log.info("Cannot schedule {} {} as dependency {} is {}",
-                         component, command, currState.getComponentName(), currState.getState());
-                canExecute = false;
-              } else {
-                //state is INSTALLED
-                if (currState.getState() != State.STARTING && currState.getState() != State.STARTED) {
-                  log.info("Cannot schedule {} {} as dependency {} is {}",
-                           component, command, currState.getComponentName(), currState.getState());
-                  canExecute = false;
-                }
+                    component, command, currState.getComponentName(), currState.getState());
+                return false;
               }
             }
           }
-          if (!canExecute) {
-            break;
-          }
-        }
-        if (!canExecute) {
-          break;
         }
       }
     }
-
-    return canExecute;
+    return true;
   }
 
   static class ComponentState {

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
----------------------------------------------------------------------
diff --git a/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java b/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
index 3213d93..3ba766f 100644
--- a/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
+++ b/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
@@ -1808,6 +1808,11 @@ public class AppState {
         SliderUtils.mergeMapsIgnoreDuplicateKeys(cd.getRole(rolename),
             groupOptions.options);
       }
+      String prefix = instanceDefinition.getAppConfOperations()
+          .getComponentOpt(role.getGroup(), ROLE_PREFIX, null);
+      if (SliderUtils.isSet(prefix)) {
+        cd.setRoleOpt(rolename, ROLE_PREFIX, SliderUtils.trimPrefix(prefix));
+      }
       List<String> instances = instanceMap.get(rolename);
       int nodeCount = instances != null ? instances.size(): 0;
       cd.setRoleOpt(rolename, COMPONENT_INSTANCES,

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
new file mode 100644
index 0000000..f67f83a
--- /dev/null
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json
@@ -0,0 +1,12 @@
+{
+  "schema": "http://example.org/specification/v2.0.0",
+  "metadata": {
+  },
+  "global": {
+  },
+  "components": {
+    "test-external-component": {
+      "site.global.component_type": "external"
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo.json
index 073d1ff..bfe2afb 100644
--- a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo.json
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo.json
@@ -2,6 +2,12 @@
   "schemaVersion": "2.1",
   "application": {
     "name": "SLEEPER",
+    "commandOrders": [
+      {
+        "command": "SLEEP_100-START",
+        "requires": "SLEEP_LONG-STARTED"
+      }
+    ],
     "components": [
       {
         "name": "SLEEP_100",

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json
new file mode 100644
index 0000000..43a2200
--- /dev/null
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json
@@ -0,0 +1,14 @@
+{
+  "schemaVersion": "2.1",
+  "application": {
+    "name": "SLEEPER",
+    "commandOrders": [
+      {
+        "command": "test-external-component-test_sleep-SLEEP_100-START",
+        "requires": "test-external-component-SLEEP_100-STARTED"
+      }
+    ],
+    "components": [
+    ]
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component_nested.json
----------------------------------------------------------------------
diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component_nested.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component_nested.json
new file mode 100644
index 0000000..8aa86b4
--- /dev/null
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources_external_component_nested.json
@@ -0,0 +1,12 @@
+{
+  "schema" : "http://example.org/specification/v2.0.0",
+  "metadata" : {
+  },
+  "global" : {
+  },
+  "components": {
+    "slider-appmaster": {
+      "yarn.memory": "384"
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
----------------------------------------------------------------------
diff --git a/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy b/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
new file mode 100644
index 0000000..8dd693e
--- /dev/null
+++ b/slider-core/src/test/groovy/org/apache/slider/agent/standalone/TestBuildExternalComponent.groovy
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package org.apache.slider.agent.standalone
+
+import groovy.transform.CompileStatic
+import groovy.util.logging.Slf4j
+import org.apache.hadoop.fs.Path
+import org.apache.slider.agent.AgentMiniClusterTestBase
+import org.apache.slider.api.ResourceKeys
+import org.apache.slider.api.RoleKeys
+import org.apache.slider.client.SliderClient
+import org.apache.slider.common.SliderKeys
+import org.apache.slider.common.params.SliderActions
+import org.apache.slider.common.tools.SliderFileSystem
+import org.apache.slider.common.tools.SliderUtils
+import org.apache.slider.core.conf.AggregateConf
+import org.apache.slider.core.main.ServiceLauncher
+import org.apache.slider.providers.agent.AgentKeys
+import org.junit.Test
+
+import static org.apache.slider.common.params.Arguments.*
+
+@CompileStatic
+@Slf4j
+
+class TestBuildExternalComponent extends AgentMiniClusterTestBase {
+
+  @Test
+  public void testExternalComponentBuild() throws Throwable {
+    String clustername = createMiniCluster("", configuration, 1, true)
+
+    describe "verify external components"
+
+    String echo = "echo"
+    ServiceLauncher<SliderClient> launcher = createOrBuildCluster(
+        SliderActions.ACTION_BUILD,
+        clustername,
+        [(echo): 1],
+        [ARG_RES_COMP_OPT, echo, ResourceKeys.COMPONENT_PRIORITY, "2"],
+        true,
+        false,
+        agentDefOptions)
+    SliderClient sliderClient = launcher.service
+    addToTeardown(sliderClient);
+
+    // verify the cluster exists
+    assert 0 == sliderClient.actionExists(clustername, false)
+
+    String parent1 = clustername + "_ext"
+    launcher = createOrBuildCluster(
+      SliderActions.ACTION_BUILD,
+      parent1,
+      [(echo): 1],
+      [ARG_COMP_OPT, clustername, COMPONENT_TYPE, EXTERNAL_COMPONENT,
+       ARG_RES_COMP_OPT, echo, ResourceKeys.COMPONENT_PRIORITY, "3"],
+      true,
+      false,
+      agentDefOptions)
+    sliderClient = launcher.service
+    addToTeardown(sliderClient);
+
+    // verify the cluster exists
+    assert 0 == sliderClient.actionExists(parent1, false)
+    // verify generated conf
+    def aggregateConf = sliderClient.loadPersistedClusterDescription(parent1)
+    assert 3 == aggregateConf.resourceOperations.componentNames.size()
+    assert aggregateConf.resourceOperations.componentNames.contains(COMPONENT_AM)
+    assert aggregateConf.resourceOperations.componentNames.contains(echo)
+    assert aggregateConf.resourceOperations.componentNames.contains(clustername + COMPONENT_SEPARATOR + echo)
+
+    aggregateConf.resolve()
+    assert aggregateConf.appConfOperations.get(AgentKeys.APP_DEF).equals(
+      aggregateConf.appConfOperations.getComponentOpt(echo, AgentKeys.APP_DEF,
+        aggregateConf.appConfOperations.get(AgentKeys.APP_DEF)))
+    SliderFileSystem sfs = createSliderFileSystem()
+    String appdefdir = sfs.buildAppDefDirPath(parent1)
+    checkComponent(aggregateConf, clustername + COMPONENT_SEPARATOR + echo, appdefdir)
+
+    String parent2 = "parent"
+    launcher = createOrBuildCluster(
+      SliderActions.ACTION_BUILD,
+      parent2,
+      [(echo): 1],
+      [ARG_COMP_OPT, clustername, COMPONENT_TYPE, EXTERNAL_COMPONENT,
+       ARG_COMP_OPT, parent1, COMPONENT_TYPE, EXTERNAL_COMPONENT,
+       ARG_RES_COMP_OPT, echo, ResourceKeys.COMPONENT_PRIORITY, "4"],
+      true,
+      false,
+      agentDefOptions)
+    sliderClient = launcher.service
+    addToTeardown(sliderClient);
+
+    // verify the cluster exists
+    assert 0 == sliderClient.actionExists(parent2, false)
+    // verify generated conf
+    aggregateConf = sliderClient.loadPersistedClusterDescription(parent2)
+    assert 5 == aggregateConf.resourceOperations.componentNames.size()
+    assert aggregateConf.resourceOperations.componentNames.contains(COMPONENT_AM)
+    assert aggregateConf.resourceOperations.componentNames.contains(echo)
+    assert aggregateConf.resourceOperations.componentNames.contains(clustername + COMPONENT_SEPARATOR + echo)
+    assert aggregateConf.resourceOperations.componentNames.contains(parent1 + COMPONENT_SEPARATOR + echo)
+    assert aggregateConf.resourceOperations.componentNames.contains(parent1 + COMPONENT_SEPARATOR + clustername + COMPONENT_SEPARATOR + echo)
+
+    aggregateConf.resolve()
+    assert aggregateConf.appConfOperations.get(AgentKeys.APP_DEF).equals(
+      aggregateConf.appConfOperations.getComponentOpt(echo, AgentKeys.APP_DEF,
+        aggregateConf.appConfOperations.get(AgentKeys.APP_DEF)))
+    appdefdir = sfs.buildAppDefDirPath(parent2)
+    checkComponent(aggregateConf, clustername + COMPONENT_SEPARATOR + echo, appdefdir)
+    checkComponent(aggregateConf, parent1 + COMPONENT_SEPARATOR + echo, appdefdir)
+    checkComponent(aggregateConf, parent1 + COMPONENT_SEPARATOR + clustername + COMPONENT_SEPARATOR + echo, appdefdir)
+  }
+
+  private void checkComponent(AggregateConf aggConf, String component,
+                              String appdefdir) {
+    String path = new Path(appdefdir, SliderUtils.trimPrefix(
+      aggConf.appConfOperations.getComponentOpt(component, RoleKeys
+        .ROLE_PREFIX, null)) + "_" + SliderKeys.DEFAULT_APP_PKG).toString()
+    assert path.equals(aggConf.appConfOperations.getComponentOpt(component,
+      AgentKeys.APP_DEF, null))
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
----------------------------------------------------------------------
diff --git a/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java b/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
index 07d21d7..a6d52b4 100644
--- a/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
+++ b/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
@@ -152,10 +152,6 @@ public class TestAgentProviderService {
                                                + "          <command>HBASE_REGIONSERVER-START</command>\n"
                                                + "          <requires>HBASE_MASTER-STARTED</requires>\n"
                                                + "        </commandOrder>\n"
-                                               + "        <commandOrder>\n"
-                                               + "          <command>A-START</command>\n"
-                                               + "          <requires>B-STARTED</requires>\n"
-                                               + "        </commandOrder>\n"
                                                + "      </commandOrders>\n"
                                                + "      <components>\n"
                                                + "        <component>\n"
@@ -434,6 +430,11 @@ public class TestAgentProviderService {
         .put(AgentKeys.AGENT_CONF, ".");
     instanceDefinition.getAppConfOperations().getGlobalOptions()
         .put(AgentKeys.AGENT_VERSION, ".");
+
+    instanceDefinition.getResourceOperations().getOrAddComponent(
+        "HBASE_MASTER");
+    instanceDefinition.getResourceOperations().getOrAddComponent(
+        "HBASE_REGIONSERVER");
     return instanceDefinition;
   }
 
@@ -530,13 +531,7 @@ public class TestAgentProviderService {
     assertNotNull(registryViewForProviders);
 
     ContainerLaunchContext ctx = createNiceMock(ContainerLaunchContext.class);
-    AggregateConf instanceDefinition = new AggregateConf();
-
-    instanceDefinition.setInternal(tree);
-    instanceDefinition.setAppConf(tree);
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.APP_DEF, ".");
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.AGENT_CONF, ".");
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.AGENT_VERSION, ".");
+    AggregateConf instanceDefinition = prepareConfForAgentStateTests();
 
     Container container = createNiceMock(Container.class);
     ProviderRole role_hm = new ProviderRole("HBASE_MASTER", 1);
@@ -1116,19 +1111,15 @@ public class TestAgentProviderService {
     Assert.assertEquals(found, 2);
 
     List<CommandOrder> cmdOrders = application.getCommandOrders();
-    Assert.assertEquals(cmdOrders.size(), 2);
+    Assert.assertEquals(cmdOrders.size(), 1);
     found = 0;
     for (CommandOrder co : application.getCommandOrders()) {
       if (co.getCommand().equals("HBASE_REGIONSERVER-START")) {
         Assert.assertTrue(co.getRequires().equals("HBASE_MASTER-STARTED"));
         found++;
       }
-      if (co.getCommand().equals("A-START")) {
-        Assert.assertEquals(co.getRequires(), "B-STARTED");
-        found++;
-      }
     }
-    Assert.assertEquals(found, 2);
+    Assert.assertEquals(found, 1);
 
     List<ConfigFile> configFiles = application.getConfigFiles();
     Assert.assertEquals(configFiles.size(), 2);
@@ -1204,8 +1195,6 @@ public class TestAgentProviderService {
     // Start of HBASE_RS depends on the start of HBASE_MASTER
     InputStream metainfo_1 = new ByteArrayInputStream(metainfo_1_str.getBytes());
     Metainfo metainfo = new MetainfoParser().fromXmlStream(metainfo_1);
-    ConfTree tree = new ConfTree();
-    tree.global.put(InternalKeys.INTERNAL_APPLICATION_IMAGE_PATH, ".");
 
     Configuration conf = new Configuration();
     AgentProviderService aps = createAgentProviderService(conf);
@@ -1213,13 +1202,7 @@ public class TestAgentProviderService {
     assertNotNull(registryViewForProviders);
     
     ContainerLaunchContext ctx = createNiceMock(ContainerLaunchContext.class);
-    AggregateConf instanceDefinition = new AggregateConf();
-
-    instanceDefinition.setInternal(tree);
-    instanceDefinition.setAppConf(tree);
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.APP_DEF, ".");
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.AGENT_CONF, ".");
-    instanceDefinition.getAppConfOperations().getGlobalOptions().put(AgentKeys.AGENT_VERSION, ".");
+    AggregateConf instanceDefinition = prepareConfForAgentStateTests();
 
     Container container = createNiceMock(Container.class);
     ProviderRole role_hm = new ProviderRole("HBASE_MASTER", 1);

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-core/src/test/java/org/apache/slider/providers/agent/TestComponentCommandOrder.java
----------------------------------------------------------------------
diff --git a/slider-core/src/test/java/org/apache/slider/providers/agent/TestComponentCommandOrder.java b/slider-core/src/test/java/org/apache/slider/providers/agent/TestComponentCommandOrder.java
index c123fbb..0e3e3ad 100644
--- a/slider-core/src/test/java/org/apache/slider/providers/agent/TestComponentCommandOrder.java
+++ b/slider-core/src/test/java/org/apache/slider/providers/agent/TestComponentCommandOrder.java
@@ -18,20 +18,38 @@
 
 package org.apache.slider.providers.agent;
 
+import org.apache.slider.core.conf.ConfTree;
+import org.apache.slider.core.conf.ConfTreeOperations;
 import org.apache.slider.providers.agent.application.metadata.CommandOrder;
 import org.apache.slider.server.appmaster.model.mock.MockContainerId;
 import org.junit.Assert;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.Arrays;
+import java.util.List;
+
+import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 
 public class TestComponentCommandOrder {
   protected static final Logger log =
       LoggerFactory.getLogger(TestComponentCommandOrder.class);
   private final MockContainerId containerId = new MockContainerId(1);
 
+  private static ConfTreeOperations resources = new ConfTreeOperations(
+      new ConfTree());
+
+  @BeforeClass
+  public static void init() {
+    resources.getOrAddComponent("A");
+    resources.getOrAddComponent("B");
+    resources.getOrAddComponent("C");
+    resources.getOrAddComponent("D");
+    resources.getOrAddComponent("E");
+  }
+
   @Test
   public void testComponentCommandOrder() throws Exception {
     CommandOrder co1 = new CommandOrder();
@@ -44,7 +62,8 @@ public class TestComponentCommandOrder {
     co3.setCommand("B-START");
     co3.setRequires("C-STARTED,D-STARTED,E-INSTALLED");
 
-    ComponentCommandOrder cco = new ComponentCommandOrder(Arrays.asList(co1, co2, co3));
+    ComponentCommandOrder cco = new ComponentCommandOrder(
+        Arrays.asList(co1, co2, co3), resources);
     ComponentInstanceState cisB = new ComponentInstanceState("B",
         containerId, "aid");
     ComponentInstanceState cisC = new ComponentInstanceState("C", containerId, "aid");
@@ -100,13 +119,14 @@ public class TestComponentCommandOrder {
     cisB.setState(State.STARTED);
     cisC.setState(State.STARTED);
 
-    ComponentCommandOrder cco = new ComponentCommandOrder(Arrays.asList(co));
+    ComponentCommandOrder cco = new ComponentCommandOrder(Arrays.asList(co),
+        resources);
     Assert.assertTrue(cco.canExecute("A", Command.START, Arrays.asList(cisB, cisC)));
 
     co.setCommand(" A-STAR");
     co.setRequires("B-STARTED , C-STARTED");
     try {
-      cco = new ComponentCommandOrder(Arrays.asList(co));
+      cco = new ComponentCommandOrder(Arrays.asList(co), resources);
       Assert.fail("Instantiation should have failed.");
     } catch (IllegalArgumentException ie) {
       log.info(ie.getMessage());
@@ -115,7 +135,7 @@ public class TestComponentCommandOrder {
     co.setCommand(" -START");
     co.setRequires("B-STARTED , C-STARTED");
     try {
-      cco = new ComponentCommandOrder(Arrays.asList(co));
+      cco = new ComponentCommandOrder(Arrays.asList(co), resources);
       Assert.fail("Instantiation should have failed.");
     } catch (IllegalArgumentException ie) {
       log.info(ie.getMessage());
@@ -124,7 +144,7 @@ public class TestComponentCommandOrder {
     co.setCommand(" A-START");
     co.setRequires("B-STRTED , C-STARTED");
     try {
-      cco = new ComponentCommandOrder(Arrays.asList(co));
+      cco = new ComponentCommandOrder(Arrays.asList(co), resources);
       Assert.fail("Instantiation should have failed.");
     } catch (IllegalArgumentException ie) {
       log.info(ie.getMessage());
@@ -133,7 +153,7 @@ public class TestComponentCommandOrder {
     co.setCommand(" A-START");
     co.setRequires("B-STARTED , C-");
     try {
-      cco = new ComponentCommandOrder(Arrays.asList(co));
+      cco = new ComponentCommandOrder(Arrays.asList(co), resources);
       Assert.fail("Instantiation should have failed.");
     } catch (IllegalArgumentException ie) {
       log.info(ie.getMessage());
@@ -142,10 +162,83 @@ public class TestComponentCommandOrder {
     co.setCommand(" A-INSTALL");
     co.setRequires("B-STARTED");
     try {
-      cco = new ComponentCommandOrder(Arrays.asList(co));
+      cco = new ComponentCommandOrder(Arrays.asList(co), resources);
+      Assert.fail("Instantiation should have failed.");
+    } catch (IllegalArgumentException ie) {
+      log.info(ie.getMessage());
+    }
+  }
+
+  @Test
+  public void testComponentCommandOrderBadComponent() throws Exception {
+    ConfTreeOperations resourcesGood = new ConfTreeOperations(new ConfTree());
+    resourcesGood.getOrAddComponent("A");
+    resourcesGood.getOrAddComponent("Z");
+    ConfTreeOperations resourcesBad = new ConfTreeOperations(new ConfTree());
+
+    CommandOrder co1 = new CommandOrder();
+    co1.setCommand("A-START");
+    co1.setRequires("Z-STARTED");
+    CommandOrder co2 = new CommandOrder();
+    co2.setCommand("Z-START");
+    co2.setRequires("A-STARTED");
+
+    ComponentCommandOrder cco = new ComponentCommandOrder(
+        Arrays.asList(co1), resourcesGood);
+    try {
+      cco = new ComponentCommandOrder(Arrays.asList(co1), resourcesBad);
+      Assert.fail("Instantiation should have failed.");
+    } catch (IllegalArgumentException ie) {
+      log.info(ie.getMessage());
+    }
+
+    cco = new ComponentCommandOrder(Arrays.asList(co2), resourcesGood);
+    try {
+      cco = new ComponentCommandOrder(Arrays.asList(co2), resourcesBad);
       Assert.fail("Instantiation should have failed.");
     } catch (IllegalArgumentException ie) {
       log.info(ie.getMessage());
     }
   }
+
+  @Test
+  public void testComponentCommandOrderPrefixes() throws Exception {
+    ConfTreeOperations resources = new ConfTreeOperations(new ConfTree());
+    resources.getOrAddComponent("a-A").put(ROLE_PREFIX, "a-");
+    resources.getOrAddComponent("b-B1").put(ROLE_PREFIX, "b-");
+    resources.getOrAddComponent("b-B2").put(ROLE_PREFIX, "b-");
+    resources.getOrAddComponent("c-C").put(ROLE_PREFIX, "c-");
+
+    CommandOrder co1 = new CommandOrder();
+    co1.setCommand("b-START");
+    co1.setRequires("a-STARTED");
+    CommandOrder co2 = new CommandOrder();
+    co2.setCommand("c-START");
+    co2.setRequires("b-STARTED");
+
+    ComponentCommandOrder cco = new ComponentCommandOrder(
+        Arrays.asList(co1, co2), resources);
+
+    ComponentInstanceState cisA = new ComponentInstanceState("a-A", containerId, "aid");
+    ComponentInstanceState cisB1 = new ComponentInstanceState("b-B1", containerId, "aid");
+    ComponentInstanceState cisB2 = new ComponentInstanceState("b-B2", containerId, "aid");
+    ComponentInstanceState cisC = new ComponentInstanceState("c-C", containerId, "aid");
+    cisA.setState(State.INSTALLED);
+    cisB1.setState(State.INSTALLED);
+    cisB2.setState(State.INSTALLED);
+    cisC.setState(State.INSTALLED);
+    List<ComponentInstanceState> states = Arrays.asList(cisA, cisB1, cisB2, cisC);
+    Assert.assertTrue(cco.canExecute("a-A", Command.START, states));
+    Assert.assertFalse(cco.canExecute("b-B1", Command.START, states));
+    Assert.assertFalse(cco.canExecute("b-B2", Command.START, states));
+    Assert.assertFalse(cco.canExecute("c-C", Command.START, states));
+    cisA.setState(State.STARTED);
+    Assert.assertTrue(cco.canExecute("b-B1", Command.START, states));
+    Assert.assertTrue(cco.canExecute("b-B2", Command.START, states));
+    Assert.assertFalse(cco.canExecute("c-C", Command.START, states));
+    cisB1.setState(State.STARTED);
+    Assert.assertFalse(cco.canExecute("c-C", Command.START, states));
+    cisB2.setState(State.STARTED);
+    Assert.assertTrue(cco.canExecute("c-C", Command.START, states));
+  }
 }

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
----------------------------------------------------------------------
diff --git a/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy b/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
index 1cb6f0f..13919df 100644
--- a/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
+++ b/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
@@ -40,4 +40,8 @@ interface ResourcePaths {
 
   String EXTERNAL_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/resources_external_component.json"
   String EXTERNAL_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig_external_component.json"
+
+  String NESTED_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/resources_external_component_nested.json"
+  String NESTED_META = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json"
+  String NESTED_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json"
 }
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/a4dc574c/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
----------------------------------------------------------------------
diff --git a/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy b/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
index b5e0270..292508a 100644
--- a/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
+++ b/slider-funtest/src/test/groovy/org/apache/slider/funtest/misc/ExternalComponentIT.groovy
@@ -40,6 +40,7 @@ public class ExternalComponentIT extends AgentCommandTestBase
 
   static String NAME = "test-external-component"
   static String EXT_NAME = "test_sleep"
+  static String NESTED_NAME = "test-external-component-nested"
 
   static String BUILD_APPCONFIG = ResourcePaths.SLEEP_APPCONFIG
   static String BUILD_RESOURCES = ResourcePaths.EXTERNAL_RESOURCES
@@ -47,23 +48,30 @@ public class ExternalComponentIT extends AgentCommandTestBase
   static String TEST_APPCONFIG = ResourcePaths.EXTERNAL_APPCONFIG
   static String TEST_RESOURCES = ResourcePaths.EXTERNAL_RESOURCES
   static String TEST_METAINFO = ResourcePaths.SLEEP_META
+  static String NEST_APPCONFIG = ResourcePaths.NESTED_APPCONFIG
+  static String NEST_RESOURCES = ResourcePaths.NESTED_RESOURCES
+  static String NEST_METAINFO = ResourcePaths.NESTED_META
   public static final String SLEEP_100 = "SLEEP_100"
   public static final String SLEEP_LONG = "SLEEP_LONG"
   public static final String EXT_SLEEP_100 = EXT_NAME +
     SliderKeys.COMPONENT_SEPARATOR + SLEEP_100
   public static final String EXT_SLEEP_LONG = EXT_NAME +
     SliderKeys.COMPONENT_SEPARATOR + SLEEP_LONG
+  public static final String NESTED_PREFIX = NAME +
+    SliderKeys.COMPONENT_SEPARATOR
 
   @Before
   public void prepareCluster() {
     setupCluster(NAME)
     setupCluster(EXT_NAME)
+    setupCluster(NESTED_NAME)
   }
 
   @After
   public void destroyCluster() {
     cleanup(NAME)
     cleanup(EXT_NAME)
+    cleanup(NESTED_NAME)
   }
 
   @Test
@@ -129,5 +137,35 @@ public class ExternalComponentIT extends AgentCommandTestBase
     expectLiveContainerCountReached(NAME, EXT_SLEEP_100, 0,
       CONTAINER_LAUNCH_TIMEOUT)
 
+    cleanup(NAME)
+
+    describe NESTED_NAME
+
+    slider(0, [ACTION_BUILD, NAME, ARG_METAINFO, TEST_METAINFO,
+               ARG_TEMPLATE, TEST_APPCONFIG, ARG_RESOURCES, TEST_RESOURCES])
+
+    slider(0, [ACTION_CREATE, NESTED_NAME, ARG_METAINFO, NEST_METAINFO,
+               ARG_TEMPLATE, NEST_APPCONFIG, ARG_RESOURCES, NEST_RESOURCES])
+
+    ensureApplicationIsUp(NESTED_NAME)
+    status(0, NESTED_NAME)
+
+    cd = execStatus(NESTED_NAME)
+
+    assert 5 == cd.statistics.size()
+    assert cd.statistics.keySet().containsAll([SliderKeys.COMPONENT_AM,
+                                               NESTED_PREFIX + SLEEP_100,
+                                               NESTED_PREFIX + SLEEP_LONG,
+                                               NESTED_PREFIX + EXT_SLEEP_100,
+                                               NESTED_PREFIX + EXT_SLEEP_LONG])
+
+    expectLiveContainerCountReached(NESTED_NAME, NESTED_PREFIX + SLEEP_LONG, 1,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NESTED_NAME, NESTED_PREFIX + EXT_SLEEP_LONG, 1,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NESTED_NAME, NESTED_PREFIX + SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
+    expectLiveContainerCountReached(NESTED_NAME, NESTED_PREFIX + EXT_SLEEP_100, 0,
+      CONTAINER_LAUNCH_TIMEOUT)
   }
 }


[4/6] incubator-slider git commit: Merge branch 'feature/SLIDER-875_uber_app' into develop

Posted by bi...@apache.org.
Merge branch 'feature/SLIDER-875_uber_app' into develop

Conflicts:
	slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
	slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
	slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/8863393f
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/8863393f
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/8863393f

Branch: refs/heads/develop
Commit: 8863393fad81865e136c9c6b86774babdddb08ad
Parents: 7428cae 2893d34
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Wed Aug 10 08:33:16 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Wed Aug 10 08:33:16 2016 -0700

----------------------------------------------------------------------
 .../funtest/accumulo/AccumuloBasicIT.groovy     |   3 +
 .../java/org/apache/slider/api/RoleKeys.java    |   5 +
 .../org/apache/slider/client/SliderClient.java  |  13 +-
 .../org/apache/slider/common/SliderKeys.java    |  13 ++
 .../apache/slider/common/tools/SliderUtils.java |  88 ++++++++
 .../slider/core/build/InstanceBuilder.java      | 205 +++++++++++++++++++
 .../slider/core/conf/ConfTreeOperations.java    |  50 +++++
 .../providers/AbstractProviderService.java      |   3 +-
 .../slider/providers/ProviderService.java       |   4 +-
 .../providers/agent/AgentClientProvider.java    |  29 +--
 .../slider/providers/agent/AgentKeys.java       |   3 +
 .../providers/agent/AgentProviderService.java   | 188 ++++++++++++-----
 .../slider/providers/agent/AgentUtils.java      |  16 ++
 .../providers/agent/ComponentCommandOrder.java  | 112 +++++++---
 .../server/appmaster/SliderAppMaster.java       |   3 +-
 .../slider/server/appmaster/state/AppState.java |   5 +
 .../appmaster/web/rest/agent/AgentResource.java |   4 +-
 .../sleep_cmd/appConfig_external_component.json |  12 ++
 .../appConfig_external_component_nested.json    |  12 ++
 .../test_min_pkg/sleep_cmd/metainfo.json        |   6 +
 .../metainfo_external_component_nested.json     |  14 ++
 .../sleep_cmd/resources_external_component.json |  22 ++
 .../resources_external_component_nested.json    |  12 ++
 .../TestBuildExternalComponent.groovy           | 138 +++++++++++++
 .../slider/client/TestReplaceTokens.groovy      |   5 +-
 .../model/mock/MockProviderService.groovy       |   3 +-
 .../agent/TestAgentProviderService.java         |  71 +++----
 .../agent/TestComponentCommandOrder.java        | 107 +++++++++-
 .../apache/slider/funtest/ResourcePaths.groovy  |   9 +-
 .../funtest/misc/ExternalComponentIT.groovy     | 171 ++++++++++++++++
 30 files changed, 1165 insertions(+), 161 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/common/SliderKeys.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/core/conf/ConfTreeOperations.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/providers/agent/AgentClientProvider.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
----------------------------------------------------------------------
diff --cc slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
index 01a3f1a,8341af4..9ea984c
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentKeys.java
@@@ -103,7 -98,8 +104,9 @@@ public interface AgentKeys 
    String CERT_FILE_LOCALIZATION_PATH = INFRA_RUN_SECURITY_DIR + "ca.crt";
    String KEY_CONTAINER_LAUNCH_DELAY = "container.launch.delay.sec";
    String TEST_RELAX_VERIFICATION = "test.relax.validation";
 +  String AM_CONFIG_GENERATION = "am.config.generation";
+ 
+   String DEFAULT_METAINFO_MAP_KEY = "DEFAULT_KEY";
  }
  
  

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
----------------------------------------------------------------------
diff --cc slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index 4ffae7c,452122f..bc362b5
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@@ -170,10 -168,8 +172,10 @@@ public class AgentProviderService exten
    private int heartbeatMonitorInterval = 0;
    private AgentClientProvider clientProvider;
    private AtomicInteger taskId = new AtomicInteger(0);
-   private volatile Metainfo metaInfo = null;
+   private volatile Map<String, MetainfoHolder> metaInfoMap = new HashMap<>();
 +  private SliderFileSystem fileSystem = null;
 +  private Map<String, DefaultConfig> defaultConfigs = null;
-   private ComponentCommandOrder commandOrder = null;
+   private ComponentCommandOrder commandOrder = new ComponentCommandOrder();
    private HeartbeatMonitor monitor;
    private Boolean canAnyMasterPublish = null;
    private AgentLaunchParameter agentLaunchParameter = null;
@@@ -277,14 -285,23 +291,26 @@@
  
    // Reads the metainfo.xml in the application package and loads it
    private void buildMetainfo(AggregateConf instanceDefinition,
-                              SliderFileSystem fileSystem) throws IOException, SliderException {
-     String appDef = SliderUtils.getApplicationDefinitionPath(instanceDefinition
-         .getAppConfOperations());
+                              SliderFileSystem fileSystem,
+                              String roleGroup)
+       throws IOException, SliderException {
+     String mapKey = instanceDefinition.getAppConfOperations()
+         .getComponentOpt(roleGroup, ROLE_PREFIX, DEFAULT_METAINFO_MAP_KEY);
+     String appDef = SliderUtils.getApplicationDefinitionPath(
+         instanceDefinition.getAppConfOperations(), roleGroup);
+     MapOperations component = null;
+     if (roleGroup != null) {
+       component = instanceDefinition.getAppConfOperations().getComponent(roleGroup);
+     }
  
-     if (metaInfo == null) {
+     MetainfoHolder metaInfoHolder = metaInfoMap.get(mapKey);
+     if (metaInfoHolder == null) {
        synchronized (syncLock) {
-         if (metaInfo == null) {
++        if (this.fileSystem == null) {
 +          this.fileSystem = fileSystem;
++        }
+         metaInfoHolder = metaInfoMap.get(mapKey);
+         if (metaInfoHolder == null) {
            readAndSetHeartbeatMonitoringInterval(instanceDefinition);
            initializeAgentDebugCommands(instanceDefinition);
  
@@@ -1764,11 -1642,9 +1828,11 @@@
          log.info("Status report: {}", status.toString());
  
          if (status.getConfigs() != null) {
-           Application application = getMetaInfo().getApplication();
+           Application application = getMetaInfo(componentGroup).getApplication();
  
-           if ((!canAnyMasterPublishConfig() || canPublishConfig(componentGroup)) &&
 -          if (canAnyMasterPublishConfig(componentGroup) == false || canPublishConfig(componentGroup)) {
++          if ((!canAnyMasterPublishConfig(componentGroup) || canPublishConfig(componentGroup)) &&
 +              !getAmState().getAppConfSnapshot().getComponentOptBool(
 +                  componentGroup, AgentKeys.AM_CONFIG_GENERATION, false)) {
              // If no Master can explicitly publish then publish if its a master
              // Otherwise, wait till the master that can publish is ready
  

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-core/src/test/java/org/apache/slider/providers/agent/TestAgentProviderService.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/8863393f/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
----------------------------------------------------------------------
diff --cc slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
index c0aa06a,13919df..37503d9
--- a/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
+++ b/slider-funtest/src/test/groovy/org/apache/slider/funtest/ResourcePaths.groovy
@@@ -38,9 -38,10 +38,16 @@@ interface ResourcePaths 
    String SLEEP_META = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/metainfo.json"
    String SLEEP_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig.json"
  
 +  String AM_CONFIG_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_am_config/resources.json"
 +  String AM_CONFIG_META = "$SLIDER_CORE_APP_PACKAGES/test_am_config/metainfo.json"
 +  String AM_CONFIG_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_am_config/appConfig.json"
 +
 +  String UNIQUE_COMPONENT_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_command_log/resources_unique_names.json"
- }
++
+   String EXTERNAL_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/resources_external_component.json"
+   String EXTERNAL_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig_external_component.json"
+ 
+   String NESTED_RESOURCES = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/resources_external_component_nested.json"
+   String NESTED_META = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/metainfo_external_component_nested.json"
+   String NESTED_APPCONFIG = "$SLIDER_CORE_APP_PACKAGES/test_min_pkg/sleep_cmd/appConfig_external_component_nested.json"
 -}
++}


[6/6] incubator-slider git commit: SLIDER-875 fix more funtest failures

Posted by bi...@apache.org.
SLIDER-875 fix more funtest failures


Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/50db94ce
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/50db94ce
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/50db94ce

Branch: refs/heads/develop
Commit: 50db94ce41e566b278ecb9c5079e97f7881fac63
Parents: 937b45b
Author: Billie Rinaldi <bi...@gmail.com>
Authored: Wed Aug 10 13:24:02 2016 -0700
Committer: Billie Rinaldi <bi...@gmail.com>
Committed: Thu Aug 11 10:07:40 2016 -0700

----------------------------------------------------------------------
 .../funtest/accumulo/AccumuloBasicIT.groovy       |  3 +++
 .../funtest/accumulo/AccumuloReadWriteIT.groovy   |  2 +-
 .../accumulo/AccumuloReadWriteSSLIT.groovy        |  2 +-
 .../funtest/accumulo/AccumuloScriptIT.groovy      |  2 +-
 .../funtest/accumulo/AccumuloScriptSSLIT.groovy   |  2 +-
 .../providers/agent/AgentProviderService.java     | 18 ++++++++++++++++++
 .../test_min_pkg/sleep_cmd/resources.json         |  2 +-
 7 files changed, 26 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
index 81d290a..260743f 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloBasicIT.groovy
@@ -47,6 +47,7 @@ import static org.apache.hadoop.registry.client.binding.RegistryUtils.servicePat
 class AccumuloBasicIT extends AccumuloAgentCommandTestBase {
   protected static final String PROVIDER_PROPERTY = "site.accumulo-site." +
     Property.GENERAL_SECURITY_CREDENTIAL_PROVIDER_PATHS
+  protected static final String INSTANCE_PROPERTY = "site.client.instance.name"
   protected static final String KEY_PASS = "keypass"
   protected static final String TRUST_PASS = "trustpass"
   protected ConfTree tree
@@ -115,6 +116,8 @@ class AccumuloBasicIT extends AccumuloAgentCommandTestBase {
     provider.flush()
     assert clusterFS.exists(jksPath), "jks $jks not created"
     log.info("Created credential provider $jks for test")
+    tree.global.put(INSTANCE_PROPERTY, tree.global.get(INSTANCE_PROPERTY)
+      .replaceAll(Pattern.quote('${CLUSTER_NAME}'), clusterName))
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteIT.groovy
index 0ecf210..d5c85bc 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteIT.groovy
@@ -55,7 +55,7 @@ class AccumuloReadWriteIT extends AccumuloBasicIT {
 
       ClientConfiguration configuration = new ClientConfiguration()
       configuration.setProperty(ClientConfiguration.ClientProperty.INSTANCE_ZK_HOST, zookeepers)
-      configuration.setProperty(ClientConfiguration.ClientProperty.INSTANCE_NAME, tree.global.get("site.client.instance.name"))
+      configuration.setProperty(ClientConfiguration.ClientProperty.INSTANCE_NAME, tree.global.get(INSTANCE_PROPERTY))
 
       ZooKeeperInstance instance = new ZooKeeperInstance(configuration)
       Connector connector = instance.getConnector(USER, new PasswordToken(PASSWORD))

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteSSLIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteSSLIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteSSLIT.groovy
index b67cd5c..90f5fa1 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteSSLIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloReadWriteSSLIT.groovy
@@ -50,7 +50,7 @@ class AccumuloReadWriteSSLIT extends AccumuloSSLTestBase {
         RegistryConstants.KEY_REGISTRY_ZK_QUORUM,
       FuntestProperties.DEFAULT_SLIDER_ZK_HOSTS)
     ClientConfiguration conf = new ClientConfiguration()
-      .withInstance(tree.global.get("site.client.instance.name"))
+      .withInstance(tree.global.get(INSTANCE_PROPERTY))
       .withZkHosts(zookeepers)
       .withSsl(true)
       .withKeystore(clientKeyStoreFile.toString(), KEY_PASS, STORE_TYPE)

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptIT.groovy
index 24b6e22..8307104 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptIT.groovy
@@ -140,7 +140,7 @@ class AccumuloScriptIT extends AccumuloBasicIT {
     String zookeepers = SLIDER_CONFIG.get(
       RegistryConstants.KEY_REGISTRY_ZK_QUORUM,
       FuntestProperties.DEFAULT_SLIDER_ZK_HOSTS)
-    String instance = tree.global.get("site.client.instance.name")
+    String instance = tree.global.get(INSTANCE_PROPERTY)
     accumulo("shell -u $USER -p $PASSWORD -e \"createtable test1\"")
     accumulo(InsertWithBatchWriter.class.getName() + " -i $instance -z " +
       "$zookeepers -u $USER -p $PASSWORD -t test1")

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptSSLIT.groovy
----------------------------------------------------------------------
diff --git a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptSSLIT.groovy b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptSSLIT.groovy
index 710812d..66ce13e 100644
--- a/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptSSLIT.groovy
+++ b/app-packages/accumulo/src/test/groovy/org/apache/slider/funtest/accumulo/AccumuloScriptSSLIT.groovy
@@ -141,7 +141,7 @@ class AccumuloScriptSSLIT extends AccumuloSSLTestBase {
     String zookeepers = SLIDER_CONFIG.get(
       RegistryConstants.KEY_REGISTRY_ZK_QUORUM,
       FuntestProperties.DEFAULT_SLIDER_ZK_HOSTS)
-    String instance = tree.global.get("site.client.instance.name")
+    String instance = tree.global.get(INSTANCE_PROPERTY)
     accumulo("shell -u $USER -p $PASSWORD -e \"createtable test2\"")
     accumulo(InsertWithBatchWriter.class.getName() + " -i $instance -z " +
       "$zookeepers -u $USER -p $PASSWORD -t test2")

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
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diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
index 4d68ba2..7594d51 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/AgentProviderService.java
@@ -129,6 +129,7 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Scanner;
 import java.util.Set;
 import java.util.TreeMap;
@@ -136,6 +137,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.regex.Pattern;
 
 import static org.apache.slider.api.RoleKeys.ROLE_PREFIX;
 import static org.apache.slider.server.appmaster.web.rest.RestPaths.SLIDER_PATH_AGENTS;
@@ -663,6 +665,22 @@ public class AgentProviderService extends AbstractProviderService implements
                                                AggregateConf instanceDefinition,
                                                MapOperations compOps)
       throws SliderException, IOException {
+    // substitute CLUSTER_NAME into credentials
+    Map<String,List<String>> newcred = new HashMap<>();
+    for (Entry<String,List<String>> entry : instanceDefinition.getAppConf().credentials.entrySet()) {
+      List<String> resultList = new ArrayList<>();
+      for (String v : entry.getValue()) {
+        resultList.add(v.replaceAll(Pattern.quote("${CLUSTER_NAME}"),
+            clusterName).replaceAll(Pattern.quote("${CLUSTER}"),
+            clusterName));
+      }
+      newcred.put(entry.getKey().replaceAll(Pattern.quote("${CLUSTER_NAME}"),
+          clusterName).replaceAll(Pattern.quote("${CLUSTER}"),
+          clusterName),
+          resultList);
+    }
+    instanceDefinition.getAppConf().credentials = newcred;
+
     // generate and localize security stores
     SecurityStore[] stores = generateSecurityStores(container, role,
                                                     instanceDefinition, compOps);

http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/50db94ce/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources.json
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diff --git a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources.json b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources.json
index e0ed16a..b9eeb10 100644
--- a/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources.json
+++ b/slider-core/src/test/app_packages/test_min_pkg/sleep_cmd/resources.json
@@ -6,7 +6,7 @@
   },
   "components": {
     "slider-appmaster": {
-      "yarn.memory": "256"
+      "yarn.memory": "384"
     },
     "SLEEP_100": {
       "yarn.role.priority": "1",