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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2017/02/27 20:35:13 UTC
[2/2] hadoop git commit: HDFS-11184. Ozone: SCM: Make SCM use
container protocol. Contributed by Anu Engineer.
HDFS-11184. Ozone: SCM: Make SCM use container protocol. Contributed by Anu Engineer.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/d63ec0ca
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/d63ec0ca
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/d63ec0ca
Branch: refs/heads/HDFS-7240
Commit: d63ec0ca81f34efb0adee7af9cd6e5d5c2d3cc49
Parents: ae783b1
Author: Anu Engineer <ae...@apache.org>
Authored: Mon Feb 27 12:25:03 2017 -0800
Committer: Anu Engineer <ae...@apache.org>
Committed: Mon Feb 27 12:25:03 2017 -0800
----------------------------------------------------------------------
.../apache/hadoop/hdfs/protocol/DatanodeID.java | 12 +-
.../scm/container/common/helpers/Pipeline.java | 1 -
.../scm/storage/ContainerProtocolCalls.java | 60 +-
.../hdfs/server/datanode/BlockPoolManager.java | 13 +-
.../apache/hadoop/ozone/OzoneClientUtils.java | 6 +-
.../apache/hadoop/ozone/OzoneConfigKeys.java | 8 +-
.../statemachine/DatanodeStateMachine.java | 21 +-
.../common/statemachine/StateContext.java | 8 +
.../states/datanode/RunningDatanodeState.java | 33 +-
.../states/endpoint/VersionEndpointTask.java | 2 +-
.../StorageContainerDatanodeProtocol.java | 8 +-
.../ozone/protocol/commands/NullCommand.java | 4 +-
.../protocol/commands/RegisteredCommand.java | 6 +-
.../ozone/protocol/commands/SCMCommand.java | 4 +-
...rDatanodeProtocolClientSideTranslatorPB.java | 5 +-
...rDatanodeProtocolServerSideTranslatorPB.java | 2 +-
...rLocationProtocolServerSideTranslatorPB.java | 41 +-
.../ozone/scm/StorageContainerManager.java | 442 +++++++++++++++
.../ozone/scm/container/ContainerMapping.java | 5 +-
.../hadoop/ozone/scm/node/NodeManager.java | 6 +-
.../apache/hadoop/ozone/scm/package-info.java | 12 +-
.../ozone/storage/StorageContainerManager.java | 563 -------------------
.../storage/StorageContainerNameService.java | 137 -----
.../hadoop/ozone/storage/package-info.java | 23 -
.../apache/hadoop/ozone/MiniOzoneCluster.java | 346 +++++++++---
.../ozone/TestStorageContainerManager.java | 24 +-
.../ozone/container/common/ScmTestMock.java | 8 +-
.../common/TestDatanodeStateMachine.java | 7 +-
.../ozone/container/common/TestEndPoint.java | 2 +-
.../common/impl/TestContainerPersistence.java | 6 +-
.../container/ozoneimpl/TestOzoneContainer.java | 6 +-
.../hadoop/ozone/scm/TestAllocateContainer.java | 93 +++
.../ozone/scm/container/MockNodeManager.java | 47 +-
.../apache/hadoop/ozone/scm/package-info.java | 21 +
.../ozone/web/TestOzoneRestWithMiniCluster.java | 6 +-
35 files changed, 1045 insertions(+), 943 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java
index 6f5f1e3..a7c2d06 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java
@@ -7,7 +7,7 @@
* "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
+ * 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,
@@ -301,10 +301,10 @@ public class DatanodeID implements Comparable<DatanodeID> {
* @param datanodeIDProto - protoBuf Message
* @return DataNodeID
*/
- public static DatanodeID getFromProtoBuf(HdfsProtos.DatanodeIDProto
- datanodeIDProto) {
- DatanodeID id = new DatanodeID(datanodeIDProto.getDatanodeUuid(),
- datanodeIDProto.getIpAddr(), datanodeIDProto.getHostName(),
+ public static DatanodeID getFromProtoBuf(
+ HdfsProtos.DatanodeIDProto datanodeIDProto) {
+ DatanodeID id = new DatanodeID(datanodeIDProto.getIpAddr(),
+ datanodeIDProto.getHostName(), datanodeIDProto.getDatanodeUuid(),
datanodeIDProto.getXferPort(), datanodeIDProto.getInfoPort(),
datanodeIDProto.getInfoSecurePort(), datanodeIDProto.getIpcPort());
id.setContainerPort(datanodeIDProto.getContainerPort());
@@ -315,7 +315,7 @@ public class DatanodeID implements Comparable<DatanodeID> {
* Returns a DataNodeID protobuf message from a datanode ID.
* @return HdfsProtos.DatanodeIDProto
*/
- public HdfsProtos.DatanodeIDProto getProtoBufMessage() {
+ public HdfsProtos.DatanodeIDProto getProtoBufMessage() {
HdfsProtos.DatanodeIDProto.Builder builder =
HdfsProtos.DatanodeIDProto.newBuilder();
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/container/common/helpers/Pipeline.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/container/common/helpers/Pipeline.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/container/common/helpers/Pipeline.java
index fe10ca2..b4c3bd9 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/container/common/helpers/Pipeline.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/container/common/helpers/Pipeline.java
@@ -63,7 +63,6 @@ public class Pipeline {
return newPipeline;
}
- /** Adds a member to pipeline */
/**
* Adds a member to the pipeline.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/storage/ContainerProtocolCalls.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/storage/ContainerProtocolCalls.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/storage/ContainerProtocolCalls.java
index ee6348c..7fc1fc0 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/storage/ContainerProtocolCalls.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/storage/ContainerProtocolCalls.java
@@ -27,19 +27,30 @@ import com.google.protobuf.ByteString;
import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos;
import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ChunkInfo;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ContainerCommandRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ContainerCommandResponseProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.GetKeyRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.GetKeyResponseProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .ContainerCommandRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .ContainerCommandResponseProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .GetKeyRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .GetKeyResponseProto;
import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.KeyData;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.PutKeyRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ReadChunkRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ReadChunkResponseProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .PutKeyRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .ReadChunkRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .ReadChunkResponseProto;
import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.Type;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.WriteChunkRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.PutSmallFileRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.GetSmallFileResponseProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.GetSmallFileRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .WriteChunkRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .PutSmallFileRequestProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .GetSmallFileResponseProto;
+import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos
+ .GetSmallFileRequestProto;
import org.apache.hadoop.scm.XceiverClient;
/**
@@ -211,6 +222,33 @@ public final class ContainerProtocolCalls {
}
/**
+ * createContainer call that creates a container on the datanode.
+ * @param client - client
+ * @param traceID - traceID
+ * @throws IOException
+ */
+ public static void createContainer(XceiverClient client, String traceID)
+ throws IOException {
+ ContainerProtos.CreateContainerRequestProto.Builder createRequest =
+ ContainerProtos.CreateContainerRequestProto
+ .newBuilder();
+ ContainerProtos.ContainerData.Builder containerData = ContainerProtos
+ .ContainerData.newBuilder();
+ containerData.setName(client.getPipeline().getContainerName());
+ createRequest.setPipeline(client.getPipeline().getProtobufMessage());
+ createRequest.setContainerData(containerData.build());
+
+ ContainerCommandRequestProto.Builder request =
+ ContainerCommandRequestProto.newBuilder();
+ request.setCmdType(ContainerProtos.Type.CreateContainer);
+ request.setCreateContainer(createRequest);
+ request.setTraceID(traceID);
+ ContainerCommandResponseProto response = client.sendCommand(
+ request.build());
+ validateContainerResponse(response, traceID);
+ }
+
+ /**
* Reads the data given the container name and key.
*
* @param client - client
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
index 8202f73..497f4ed 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
-import org.apache.hadoop.ozone.OzoneClientUtils;
import org.apache.hadoop.security.UserGroupInformation;
import com.google.common.base.Joiner;
@@ -147,8 +146,8 @@ class BlockPoolManager {
void refreshNamenodes(Configuration conf)
throws IOException {
- LOG.info("Refresh request received for nameservices: " + conf.get
- (DFSConfigKeys.DFS_NAMESERVICES));
+ LOG.info("Refresh request received for nameservices: " +
+ conf.get(DFSConfigKeys.DFS_NAMESERVICES));
Map<String, Map<String, InetSocketAddress>> newAddressMap =
new HashMap<>();
@@ -165,14 +164,6 @@ class BlockPoolManager {
"This may be an Ozone-only cluster.");
}
- if (dn.isOzoneEnabled()) {
- newAddressMap.putAll(OzoneClientUtils.getScmServiceRpcAddresses(conf));
-
- // SCM does not have a lifeline service port (yet).
- newLifelineAddressMap.putAll(
- OzoneClientUtils.getScmServiceRpcAddresses(conf));
- }
-
if (newAddressMap.isEmpty()) {
throw new IOException("No services to connect (NameNodes or SCM).");
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneClientUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneClientUtils.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneClientUtils.java
index 5d1aed8..46b1d66 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneClientUtils.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneClientUtils.java
@@ -321,9 +321,9 @@ public final class OzoneClientUtils {
* @param conf - Ozone Config
* @return - HB interval in seconds.
*/
- public static int getScmHeartbeatInterval(Configuration conf) {
- return conf.getInt(OZONE_SCM_HEARTBEAT_INTERVAL_SECONDS,
- OZONE_SCM_HEARBEAT_INTERVAL_SECONDS_DEFAULT);
+ public static long getScmHeartbeatInterval(Configuration conf) {
+ return conf.getTimeDuration(OZONE_SCM_HEARTBEAT_INTERVAL_SECONDS,
+ OZONE_SCM_HEARBEAT_INTERVAL_SECONDS_DEFAULT, TimeUnit.SECONDS);
}
/**
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java
index 746fefe..a758db5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java
@@ -94,11 +94,6 @@ public final class OzoneConfigKeys {
public static final long OZONE_SCM_STALENODE_INTERVAL_DEFAULT =
OZONE_SCM_HEARBEAT_INTERVAL_SECONDS_DEFAULT * 1000L * 3L;
- public static final String OZONE_SCM_CONTAINER_THREADS =
- "ozone.scm.container.threads";
- public static final int OZONE_SCM_CONTAINER_THREADS_DEFAULT =
- Runtime.getRuntime().availableProcessors() * 2;
-
public static final String OZONE_SCM_HEARTBEAT_RPC_TIMEOUT =
"ozone.scm.heartbeat.rpc-timeout";
public static final long OZONE_SCM_HEARTBEAT_RPC_TIMEOUT_DEFAULT =
@@ -142,6 +137,9 @@ public final class OzoneConfigKeys {
public static final String OZONE_SCM_DATANODE_ID = "ozone.scm.datanode.id";
+ public static final String OZONE_SCM_DB_CACHE_SIZE_MB =
+ "ozone.scm.db.cache.size.mb";
+ public static final int OZONE_SCM_DB_CACHE_SIZE_DEFAULT = 128;
/**
* There is no need to instantiate this class.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
index 8063e23..db83734 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
@@ -5,9 +5,9 @@
* 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
- * <p>
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
* 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
@@ -20,7 +20,6 @@ import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ozone.OzoneClientUtils;
-import org.apache.hadoop.ozone.OzoneConfigKeys;
import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer;
import org.apache.hadoop.util.Time;
import org.apache.hadoop.util.concurrent.HadoopExecutors;
@@ -29,10 +28,8 @@ import org.slf4j.LoggerFactory;
import java.io.Closeable;
import java.io.IOException;
-import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
/**
* State Machine Class.
@@ -55,14 +52,13 @@ public class DatanodeStateMachine implements Closeable {
*/
public DatanodeStateMachine(Configuration conf) throws IOException {
this.conf = conf;
- executorService = HadoopExecutors.newScheduledThreadPool(
- this.conf.getInt(OzoneConfigKeys.OZONE_SCM_CONTAINER_THREADS,
- OzoneConfigKeys.OZONE_SCM_CONTAINER_THREADS_DEFAULT),
- new ThreadFactoryBuilder().setDaemon(true)
+ executorService = HadoopExecutors.newCachedThreadPool(
+ new ThreadFactoryBuilder().setDaemon(true)
.setNameFormat("Datanode State Machine Thread - %d").build());
connectionManager = new SCMConnectionManager(conf);
context = new StateContext(this.conf, DatanodeStates.getInitState(), this);
- heartbeatFrequency = OzoneClientUtils.getScmHeartbeatInterval(conf);
+ heartbeatFrequency = TimeUnit.SECONDS.toMillis(
+ OzoneClientUtils.getScmHeartbeatInterval(conf));
container = new OzoneContainer(conf);
}
@@ -84,6 +80,7 @@ public class DatanodeStateMachine implements Closeable {
container.start();
while (context.getState() != DatanodeStates.SHUTDOWN) {
try {
+ LOG.debug("Executing cycle Number : {}", context.getExecutionCount());
nextHB = Time.monotonicNow() + heartbeatFrequency;
context.execute(executorService, heartbeatFrequency,
TimeUnit.MILLISECONDS);
@@ -91,8 +88,8 @@ public class DatanodeStateMachine implements Closeable {
if (now < nextHB) {
Thread.sleep(nextHB - now);
}
- } catch (InterruptedException | ExecutionException | TimeoutException e) {
- LOG.error("Unable to finish the execution", e);
+ } catch (Exception e) {
+ LOG.error("Unable to finish the execution.", e);
}
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/StateContext.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/StateContext.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/StateContext.java
index 0a20945..e397202 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/StateContext.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/StateContext.java
@@ -187,5 +187,13 @@ public class StateContext {
}
}
+ /**
+ * Returns the count of the Execution.
+ * @return long
+ */
+ public long getExecutionCount() {
+ return stateExecutionCount.get();
+ }
+
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java
index 69eabe6..77b4138 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java
@@ -22,22 +22,15 @@ import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.ozone.OzoneClientUtils;
import org.apache.hadoop.ozone.OzoneConfigKeys;
-import org.apache.hadoop.ozone.container.common.statemachine
- .DatanodeStateMachine;
-import org.apache.hadoop.ozone.container.common.statemachine
- .EndpointStateMachine;
-import org.apache.hadoop.ozone.container.common.statemachine
- .SCMConnectionManager;
+import org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine;
+import org.apache.hadoop.ozone.container.common.statemachine.EndpointStateMachine;
+import org.apache.hadoop.ozone.container.common.statemachine.SCMConnectionManager;
import org.apache.hadoop.ozone.container.common.statemachine.StateContext;
import org.apache.hadoop.ozone.container.common.states.DatanodeState;
-import org.apache.hadoop.ozone.container.common.states.endpoint
- .HeartbeatEndpointTask;
-import org.apache.hadoop.ozone.container.common.states.endpoint
- .RegisterEndpointTask;
-import org.apache.hadoop.ozone.container.common.states.endpoint
- .VersionEndpointTask;
-import org.apache.hadoop.ozone.protocol.proto
- .StorageContainerDatanodeProtocolProtos;
+import org.apache.hadoop.ozone.container.common.states.endpoint.HeartbeatEndpointTask;
+import org.apache.hadoop.ozone.container.common.states.endpoint.RegisterEndpointTask;
+import org.apache.hadoop.ozone.container.common.states.endpoint.VersionEndpointTask;
+import org.apache.hadoop.ozone.protocol.proto.StorageContainerDatanodeProtocolProtos;
import org.apache.hadoop.util.Time;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -109,7 +102,7 @@ public class RunningDatanodeState implements DatanodeState {
DatanodeID temp = new DatanodeID(
//TODO : Replace this with proper network and kerberos
// support code.
- InetAddress.getLocalHost().getHostAddress().toString(),
+ InetAddress.getLocalHost().getHostAddress(),
DataNode.getHostName(conf),
UUID.randomUUID().toString(),
0, /** XferPort - SCM does not use this port */
@@ -134,6 +127,13 @@ public class RunningDatanodeState implements DatanodeState {
private StorageContainerDatanodeProtocolProtos.ContainerNodeIDProto
createNewContainerID(Path idPath)
throws IOException {
+
+ if(!idPath.getParent().toFile().exists() &&
+ !idPath.getParent().toFile().mkdirs()) {
+ LOG.error("Failed to create container ID locations. Path: {}",
+ idPath.getParent());
+ throw new IOException("Unable to create container ID directories.");
+ }
StorageContainerDatanodeProtocolProtos.ContainerNodeIDProto
containerIDProto = StorageContainerDatanodeProtocolProtos
.ContainerNodeIDProto.newBuilder()
@@ -213,7 +213,8 @@ public class RunningDatanodeState implements DatanodeState {
ecs.submit(endpointTask);
}
}
-
+ //TODO : Cache some of these tasks instead of creating them
+ //all the time.
private Callable<EndpointStateMachine.EndPointStates>
getEndPointTask(EndpointStateMachine endpoint) {
switch (endpoint.getState()) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java
index 1dfc432..fa59234 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java
@@ -49,7 +49,7 @@ public class VersionEndpointTask implements
rpcEndPoint.lock();
try{
SCMVersionResponseProto versionResponse =
- rpcEndPoint.getEndPoint().getVersion();
+ rpcEndPoint.getEndPoint().getVersion(null);
rpcEndPoint.setVersion(VersionResponse.getFromProtobuf(versionResponse));
EndpointStateMachine.EndPointStates nextState =
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/StorageContainerDatanodeProtocol.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/StorageContainerDatanodeProtocol.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/StorageContainerDatanodeProtocol.java
index 86ca946..6a9dc67 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/StorageContainerDatanodeProtocol.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/StorageContainerDatanodeProtocol.java
@@ -5,9 +5,9 @@
* 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
- * <p>
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
* 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
@@ -18,6 +18,7 @@ package org.apache.hadoop.ozone.protocol;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
+import org.apache.hadoop.ozone.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMVersionRequestProto;
import org.apache.hadoop.ozone.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMHeartbeatResponseProto;
import org.apache.hadoop.ozone.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMVersionResponseProto;
import org.apache.hadoop.ozone.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMRegisteredCmdResponseProto;
@@ -34,7 +35,8 @@ public interface StorageContainerDatanodeProtocol {
* Returns SCM version.
* @return Version info.
*/
- SCMVersionResponseProto getVersion() throws IOException;
+ SCMVersionResponseProto getVersion(SCMVersionRequestProto versionRequest)
+ throws IOException;
/**
* Used by data node to send a Heartbeat.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/NullCommand.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/NullCommand.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/NullCommand.java
index 4bdf422..7ae1117 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/NullCommand.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/NullCommand.java
@@ -44,8 +44,8 @@ public class NullCommand extends SCMCommand<NullCmdResponseProto> {
* @return A protobuf message.
*/
@Override
- public NullCmdResponseProto getProtoBufMessage() {
- return NullCmdResponseProto.newBuilder().build();
+ public byte[] getProtoBufMessage() {
+ return NullCmdResponseProto.newBuilder().build().toByteArray();
}
/**
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/RegisteredCommand.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/RegisteredCommand.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/RegisteredCommand.java
index f2944ce..bf430ac 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/RegisteredCommand.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/RegisteredCommand.java
@@ -57,7 +57,7 @@ public class RegisteredCommand extends
* @return Type
*/
@Override
- Type getType() {
+ public Type getType() {
return Type.registeredCommand;
}
@@ -94,12 +94,12 @@ public class RegisteredCommand extends
* @return A protobuf message.
*/
@Override
- SCMRegisteredCmdResponseProto getProtoBufMessage() {
+ public byte[] getProtoBufMessage() {
return SCMRegisteredCmdResponseProto.newBuilder()
.setClusterID(this.clusterID)
.setDatanodeUUID(this.datanodeUUID)
.setErrorCode(this.error)
- .build();
+ .build().toByteArray();
}
/**
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/SCMCommand.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/SCMCommand.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/SCMCommand.java
index a6acf4e..fe9b12d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/SCMCommand.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocol/commands/SCMCommand.java
@@ -31,11 +31,11 @@ public abstract class SCMCommand<T extends GeneratedMessage> {
* Returns the type of this command.
* @return Type
*/
- abstract Type getType();
+ public abstract Type getType();
/**
* Gets the protobuf message of this object.
* @return A protobuf message.
*/
- abstract T getProtoBufMessage();
+ public abstract byte[] getProtoBufMessage();
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolClientSideTranslatorPB.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolClientSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolClientSideTranslatorPB.java
index e71684c3..ba40c29 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolClientSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolClientSideTranslatorPB.java
@@ -92,11 +92,12 @@ public class StorageContainerDatanodeProtocolClientSideTranslatorPB
/**
* Returns SCM version.
*
+ * @param unused - set to null and unused.
* @return Version info.
*/
@Override
- public SCMVersionResponseProto getVersion() throws IOException {
-
+ public SCMVersionResponseProto getVersion(SCMVersionRequestProto
+ unused) throws IOException {
SCMVersionRequestProto request =
SCMVersionRequestProto.newBuilder().build();
final SCMVersionResponseProto response;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolServerSideTranslatorPB.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolServerSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolServerSideTranslatorPB.java
index 70ad414..62b885a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolServerSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerDatanodeProtocolServerSideTranslatorPB.java
@@ -47,7 +47,7 @@ public class StorageContainerDatanodeProtocolServerSideTranslatorPB
StorageContainerDatanodeProtocolProtos.SCMVersionRequestProto request)
throws ServiceException {
try {
- return impl.getVersion();
+ return impl.getVersion(request);
} catch (IOException e) {
throw new ServiceException(e);
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerLocationProtocolServerSideTranslatorPB.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerLocationProtocolServerSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerLocationProtocolServerSideTranslatorPB.java
index 19eb8a5..6590112 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerLocationProtocolServerSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/protocolPB/StorageContainerLocationProtocolServerSideTranslatorPB.java
@@ -7,7 +7,7 @@
* "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
+ * 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,
@@ -31,10 +31,18 @@ import org.apache.hadoop.ozone.protocol.LocatedContainer;
import org.apache.hadoop.ozone.protocol.StorageContainerLocationProtocol;
import org.apache.hadoop.ozone.protocol.proto
.StorageContainerLocationProtocolProtos;
-import org.apache.hadoop.ozone.protocol.proto.StorageContainerLocationProtocolProtos.GetStorageContainerLocationsRequestProto;
-import org.apache.hadoop.ozone.protocol.proto.StorageContainerLocationProtocolProtos.GetStorageContainerLocationsResponseProto;
-import org.apache.hadoop.ozone.protocol.proto.StorageContainerLocationProtocolProtos.LocatedContainerProto;
-import org.apache.hadoop.ozone.protocol.proto.StorageContainerLocationProtocolProtos.ContainerResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerLocationProtocolProtos
+ .GetStorageContainerLocationsRequestProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerLocationProtocolProtos
+ .GetStorageContainerLocationsResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerLocationProtocolProtos.LocatedContainerProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerLocationProtocolProtos.ContainerResponseProto;
+
+import org.apache.hadoop.scm.container.common.helpers.Pipeline;
/**
* This class is the server-side translator that forwards requests received on
@@ -63,7 +71,7 @@ public final class StorageContainerLocationProtocolServerSideTranslatorPB
throws ServiceException {
Set<String> keys = Sets.newLinkedHashSetWithExpectedSize(
req.getKeysCount());
- for (String key: req.getKeysList()) {
+ for (String key : req.getKeysList()) {
keys.add(key);
}
final Set<LocatedContainer> locatedContainers;
@@ -74,13 +82,13 @@ public final class StorageContainerLocationProtocolServerSideTranslatorPB
}
GetStorageContainerLocationsResponseProto.Builder resp =
GetStorageContainerLocationsResponseProto.newBuilder();
- for (LocatedContainer locatedContainer: locatedContainers) {
+ for (LocatedContainer locatedContainer : locatedContainers) {
LocatedContainerProto.Builder locatedContainerProto =
LocatedContainerProto.newBuilder()
- .setKey(locatedContainer.getKey())
- .setMatchedKeyPrefix(locatedContainer.getMatchedKeyPrefix())
- .setContainerName(locatedContainer.getContainerName());
- for (DatanodeInfo location: locatedContainer.getLocations()) {
+ .setKey(locatedContainer.getKey())
+ .setMatchedKeyPrefix(locatedContainer.getMatchedKeyPrefix())
+ .setContainerName(locatedContainer.getContainerName());
+ for (DatanodeInfo location : locatedContainer.getLocations()) {
locatedContainerProto.addLocations(PBHelperClient.convert(location));
}
locatedContainerProto.setLeader(
@@ -94,6 +102,15 @@ public final class StorageContainerLocationProtocolServerSideTranslatorPB
public ContainerResponseProto allocateContainer(RpcController unused,
StorageContainerLocationProtocolProtos.ContainerRequestProto request)
throws ServiceException {
- return null;
+ try {
+ Pipeline pipeline = impl.allocateContainer(request.getContainerName());
+ return ContainerResponseProto.newBuilder()
+ .setPipeline(pipeline.getProtobufMessage())
+ .setErrorCode(ContainerResponseProto.Error.success)
+ .build();
+
+ } catch (IOException e) {
+ throw new ServiceException(e);
+ }
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/StorageContainerManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/StorageContainerManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/StorageContainerManager.java
new file mode 100644
index 0000000..0a6f35f
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/StorageContainerManager.java
@@ -0,0 +1,442 @@
+/**
+ * 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.hadoop.ozone.scm;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import com.google.protobuf.BlockingService;
+import com.google.protobuf.InvalidProtocolBufferException;
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.hdfs.DFSUtil;
+import org.apache.hadoop.hdfs.protocol.DatanodeID;
+import org.apache.hadoop.ipc.ProtobufRpcEngine;
+import org.apache.hadoop.ipc.RPC;
+import org.apache.hadoop.ozone.OzoneClientUtils;
+import org.apache.hadoop.ozone.OzoneConfiguration;
+import org.apache.hadoop.ozone.protocol.LocatedContainer;
+import org.apache.hadoop.ozone.protocol.StorageContainerDatanodeProtocol;
+import org.apache.hadoop.ozone.protocol.StorageContainerLocationProtocol;
+import org.apache.hadoop.ozone.protocol.commands.NullCommand;
+import org.apache.hadoop.ozone.protocol.commands.RegisteredCommand;
+import org.apache.hadoop.ozone.protocol.commands.SCMCommand;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.NullCmdResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMCommandResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMHeartbeatResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMNodeAddressList;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMRegisteredCmdResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMVersionRequestProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.SCMVersionResponseProto;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerDatanodeProtocolProtos.Type;
+import org.apache.hadoop.ozone.protocol.proto
+ .StorageContainerLocationProtocolProtos;
+import org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolPB;
+import org.apache.hadoop.ozone.protocolPB
+ .StorageContainerDatanodeProtocolServerSideTranslatorPB;
+import org.apache.hadoop.ozone.protocolPB.StorageContainerLocationProtocolPB;
+import org.apache.hadoop.ozone.protocolPB
+ .StorageContainerLocationProtocolServerSideTranslatorPB;
+import org.apache.hadoop.ozone.scm.container.ContainerMapping;
+import org.apache.hadoop.ozone.scm.container.Mapping;
+import org.apache.hadoop.ozone.scm.node.NodeManager;
+import org.apache.hadoop.ozone.scm.node.SCMNodeManager;
+import org.apache.hadoop.scm.container.common.helpers.Pipeline;
+import org.apache.hadoop.util.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_CLIENT_ADDRESS_KEY;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_DATANODE_ADDRESS_KEY;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_DB_CACHE_SIZE_DEFAULT;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_DB_CACHE_SIZE_MB;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_HANDLER_COUNT_DEFAULT;
+import static org.apache.hadoop.ozone.OzoneConfigKeys
+ .OZONE_SCM_HANDLER_COUNT_KEY;
+import static org.apache.hadoop.util.ExitUtil.terminate;
+
+/**
+ * StorageContainerManager is the main entry point for the service that provides
+ * information about which SCM nodes host containers.
+ *
+ * DataNodes report to StorageContainerManager using heartbeat
+ * messages. SCM allocates containers and returns a pipeline.
+ *
+ * A client once it gets a pipeline (a list of datanodes) will connect to the
+ * datanodes and create a container, which then can be used to store data.
+ */
+@InterfaceAudience.LimitedPrivate({"HDFS", "CBLOCK", "OZONE", "HBASE"})
+public class StorageContainerManager
+ implements StorageContainerDatanodeProtocol,
+ StorageContainerLocationProtocol {
+
+ private static final Logger LOG =
+ LoggerFactory.getLogger(StorageContainerManager.class);
+
+ /**
+ * NodeManager and container Managers for SCM.
+ */
+ private final NodeManager scmNodeManager;
+ private final Mapping scmContainerManager;
+
+ /** The RPC server that listens to requests from DataNodes. */
+ private final RPC.Server datanodeRpcServer;
+ private final InetSocketAddress datanodeRpcAddress;
+
+ /** The RPC server that listens to requests from clients. */
+ private final RPC.Server clientRpcServer;
+ private final InetSocketAddress clientRpcAddress;
+
+ /**
+ * Creates a new StorageContainerManager. Configuration will be updated with
+ * information on the actual listening addresses used for RPC servers.
+ *
+ * @param conf configuration
+ */
+ public StorageContainerManager(OzoneConfiguration conf)
+ throws IOException {
+
+ final int handlerCount = conf.getInt(
+ OZONE_SCM_HANDLER_COUNT_KEY, OZONE_SCM_HANDLER_COUNT_DEFAULT);
+ final int cacheSize = conf.getInt(OZONE_SCM_DB_CACHE_SIZE_MB,
+ OZONE_SCM_DB_CACHE_SIZE_DEFAULT);
+
+ // TODO : Fix the ClusterID generation code.
+ scmNodeManager = new SCMNodeManager(conf, UUID.randomUUID().toString());
+ scmContainerManager = new ContainerMapping(conf, scmNodeManager, cacheSize);
+
+ RPC.setProtocolEngine(conf, StorageContainerDatanodeProtocolPB.class,
+ ProtobufRpcEngine.class);
+ RPC.setProtocolEngine(conf, StorageContainerLocationProtocolPB.class,
+ ProtobufRpcEngine.class);
+
+ BlockingService dnProtoPbService = StorageContainerDatanodeProtocolProtos.
+ StorageContainerDatanodeProtocolService.newReflectiveBlockingService(
+ new StorageContainerDatanodeProtocolServerSideTranslatorPB(this));
+
+ final InetSocketAddress datanodeRpcAddr =
+ OzoneClientUtils.getScmDataNodeBindAddress(conf);
+ datanodeRpcServer = startRpcServer(conf, datanodeRpcAddr,
+ StorageContainerDatanodeProtocolPB.class, dnProtoPbService,
+ handlerCount);
+ datanodeRpcAddress = updateListenAddress(conf,
+ OZONE_SCM_DATANODE_ADDRESS_KEY, datanodeRpcAddr, datanodeRpcServer);
+
+
+ BlockingService storageProtoPbService =
+ StorageContainerLocationProtocolProtos
+ .StorageContainerLocationProtocolService
+ .newReflectiveBlockingService(
+ new StorageContainerLocationProtocolServerSideTranslatorPB(
+ this));
+
+ final InetSocketAddress scmAddress =
+ OzoneClientUtils.getScmClientBindAddress(conf);
+ clientRpcServer = startRpcServer(conf, scmAddress,
+ StorageContainerLocationProtocolPB.class, storageProtoPbService,
+ handlerCount);
+ clientRpcAddress = updateListenAddress(conf,
+ OZONE_SCM_CLIENT_ADDRESS_KEY, scmAddress, clientRpcServer);
+ }
+
+ /**
+ * Builds a message for logging startup information about an RPC server.
+ *
+ * @param description RPC server description
+ * @param addr RPC server listening address
+ * @return server startup message
+ */
+ private static String buildRpcServerStartMessage(String description,
+ InetSocketAddress addr) {
+ return addr != null ? String.format("%s is listening at %s",
+ description, addr.toString()) :
+ String.format("%s not started", description);
+ }
+
+ /**
+ * Starts an RPC server, if configured.
+ *
+ * @param conf configuration
+ * @param addr configured address of RPC server
+ * @param protocol RPC protocol provided by RPC server
+ * @param instance RPC protocol implementation instance
+ * @param handlerCount RPC server handler count
+ *
+ * @return RPC server
+ * @throws IOException if there is an I/O error while creating RPC server
+ */
+ private static RPC.Server startRpcServer(OzoneConfiguration conf,
+ InetSocketAddress addr, Class<?> protocol, BlockingService instance,
+ int handlerCount)
+ throws IOException {
+ RPC.Server rpcServer = new RPC.Builder(conf)
+ .setProtocol(protocol)
+ .setInstance(instance)
+ .setBindAddress(addr.getHostString())
+ .setPort(addr.getPort())
+ .setNumHandlers(handlerCount)
+ .setVerbose(false)
+ .setSecretManager(null)
+ .build();
+
+ DFSUtil.addPBProtocol(conf, protocol, instance, rpcServer);
+ return rpcServer;
+ }
+
+ /**
+ * After starting an RPC server, updates configuration with the actual
+ * listening address of that server. The listening address may be different
+ * from the configured address if, for example, the configured address uses
+ * port 0 to request use of an ephemeral port.
+ *
+ * @param conf configuration to update
+ * @param rpcAddressKey configuration key for RPC server address
+ * @param addr configured address
+ * @param rpcServer started RPC server.
+ */
+ private static InetSocketAddress updateListenAddress(OzoneConfiguration conf,
+ String rpcAddressKey, InetSocketAddress addr, RPC.Server rpcServer) {
+ InetSocketAddress listenAddr = rpcServer.getListenerAddress();
+ InetSocketAddress updatedAddr = new InetSocketAddress(
+ addr.getHostString(), listenAddr.getPort());
+ conf.set(rpcAddressKey,
+ listenAddr.getHostString() + ":" + listenAddr.getPort());
+ return updatedAddr;
+ }
+
+ /**
+ * Main entry point for starting StorageContainerManager.
+ *
+ * @param argv arguments
+ * @throws IOException if startup fails due to I/O error
+ */
+ public static void main(String[] argv) throws IOException {
+ StringUtils.startupShutdownMessage(StorageContainerManager.class,
+ argv, LOG);
+ try {
+ StorageContainerManager scm = new StorageContainerManager(
+ new OzoneConfiguration());
+ scm.start();
+ scm.join();
+ } catch (Throwable t) {
+ LOG.error("Failed to start the StorageContainerManager.", t);
+ terminate(1, t);
+ }
+ }
+
+ /**
+ * Returns a SCMCommandRepose from the SCM Command.
+ * @param cmd - Cmd
+ * @return SCMCommandResponseProto
+ * @throws InvalidProtocolBufferException
+ */
+ @VisibleForTesting
+ public static SCMCommandResponseProto getCommandResponse(SCMCommand cmd)
+ throws InvalidProtocolBufferException {
+ Type type = cmd.getType();
+ switch (type) {
+ case nullCmd:
+ Preconditions.checkState(cmd.getClass() == NullCommand.class);
+ return SCMCommandResponseProto.newBuilder().setCmdType(cmd.getType())
+ .setNullCommand(
+ NullCmdResponseProto.parseFrom(cmd.getProtoBufMessage()))
+ .build();
+ default:
+ throw new IllegalArgumentException("Not implemented");
+ }
+ }
+
+ @VisibleForTesting
+ public static SCMRegisteredCmdResponseProto getRegisteredResponse(
+ SCMCommand cmd, SCMNodeAddressList addressList) {
+ Preconditions.checkState(cmd.getClass() == RegisteredCommand.class);
+ RegisteredCommand rCmd = (RegisteredCommand) cmd;
+ StorageContainerDatanodeProtocolProtos.Type type = cmd.getType();
+ if (type != Type.registeredCommand) {
+ throw new IllegalArgumentException("Registered command is not well " +
+ "formed. Internal Error.");
+ }
+ return SCMRegisteredCmdResponseProto.newBuilder()
+ //TODO : Fix this later when we have multiple SCM support.
+ //.setAddressList(addressList)
+ .setErrorCode(rCmd.getError())
+ .setClusterID(rCmd.getClusterID())
+ .setDatanodeUUID(rCmd.getDatanodeUUID()).build();
+ }
+
+ // TODO : This code will move into KSM later. Write now this code is stubbed
+ // implementation that lets the ozone tests pass.
+ @Override
+ public Set<LocatedContainer> getStorageContainerLocations(Set<String> keys)
+ throws IOException {
+ throw new IOException("Not Implemented.");
+ }
+
+ /**
+ * Asks SCM where a container should be allocated. SCM responds with the set
+ * of datanodes that should be used creating this container.
+ *
+ * @param containerName - Name of the container.
+ * @return Pipeline.
+ * @throws IOException
+ */
+ @Override
+ public Pipeline allocateContainer(String containerName) throws IOException {
+ return scmContainerManager.allocateContainer(containerName);
+ }
+
+ /**
+ * Returns listening address of StorageLocation Protocol RPC server.
+ *
+ * @return listen address of StorageLocation RPC server
+ */
+ @VisibleForTesting
+ public InetSocketAddress getClientRpcAddress() {
+ return clientRpcAddress;
+ }
+
+ /**
+ * Returns listening address of StorageDatanode Protocol RPC server.
+ *
+ * @return Address where datanode are communicating.
+ */
+ public InetSocketAddress getDatanodeRpcAddress() {
+ return datanodeRpcAddress;
+ }
+
+ /**
+ * Start service.
+ */
+ public void start() {
+ LOG.info(buildRpcServerStartMessage(
+ "StorageContainerLocationProtocol RPC server", clientRpcAddress));
+ clientRpcServer.start();
+ LOG.info(buildRpcServerStartMessage("RPC server for DataNodes",
+ datanodeRpcAddress));
+ datanodeRpcServer.start();
+ }
+
+ /**
+ * Stop service.
+ */
+ public void stop() {
+ LOG.info("Stopping the StorageContainerLocationProtocol RPC server");
+ clientRpcServer.stop();
+ LOG.info("Stopping the RPC server for DataNodes");
+ datanodeRpcServer.stop();
+ }
+
+ /**
+ * Wait until service has completed shutdown.
+ */
+ public void join() {
+ try {
+ clientRpcServer.join();
+ datanodeRpcServer.join();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ LOG.info("Interrupted during StorageContainerManager join.");
+ }
+ }
+
+ /**
+ * Returns SCM version.
+ *
+ * @return Version info.
+ */
+ @Override
+ public SCMVersionResponseProto getVersion(
+ SCMVersionRequestProto versionRequest) throws IOException {
+ return getScmNodeManager().getVersion(versionRequest).getProtobufMessage();
+ }
+
+ /**
+ * Used by data node to send a Heartbeat.
+ *
+ * @param datanodeID - Datanode ID.
+ * @return - SCMHeartbeatResponseProto
+ * @throws IOException
+ */
+ @Override
+ public SCMHeartbeatResponseProto sendHeartbeat(DatanodeID datanodeID)
+ throws IOException {
+ List<SCMCommand> commands = getScmNodeManager().sendHeartbeat(datanodeID);
+ List<SCMCommandResponseProto> cmdReponses = new LinkedList<>();
+ for (SCMCommand cmd : commands) {
+ cmdReponses.add(getCommandResponse(cmd));
+ }
+ return SCMHeartbeatResponseProto.newBuilder().addAllCommands(cmdReponses)
+ .build();
+ }
+
+ /**
+ * Register Datanode.
+ *
+ * @param datanodeID - DatanodID.
+ * @param scmAddresses - List of SCMs this datanode is configured to
+ * communicate.
+ * @return SCM Command.
+ */
+ @Override
+ public StorageContainerDatanodeProtocolProtos.SCMRegisteredCmdResponseProto
+ register(DatanodeID datanodeID, String[] scmAddresses)
+ throws IOException {
+ // TODO : Return the list of Nodes that forms the SCM HA.
+ return getRegisteredResponse(scmNodeManager.register(datanodeID), null);
+ }
+
+ /**
+ * Returns the Number of Datanodes that are communicating with SCM.
+ *
+ * @param nodestate Healthy, Dead etc.
+ * @return int -- count
+ */
+ public int getNodeCount(SCMNodeManager.NODESTATE nodestate) {
+ return scmNodeManager.getNodeCount(nodestate);
+ }
+
+ /**
+ * Returns node manager.
+ * @return - Node Manager
+ */
+ @VisibleForTesting
+ public NodeManager getScmNodeManager() {
+ return scmNodeManager;
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java
index aa688aa..346cb88 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/container/ContainerMapping.java
@@ -46,7 +46,7 @@ public class ContainerMapping implements Mapping {
LoggerFactory.getLogger(ContainerMapping.class);
private final NodeManager nodeManager;
- private final int cacheSize;
+ private final long cacheSize;
private final Lock lock;
private final Charset encoding = Charset.forName("UTF-8");
private final LevelDBStore store;
@@ -77,7 +77,7 @@ public class ContainerMapping implements Mapping {
}
File dbPath = new File(scmMetaDataDir, "SCM.db");
Options options = new Options();
- options.cacheSize(this.cacheSize * (1024 * 1024));
+ options.cacheSize(this.cacheSize * (1024L * 1024L));
options.createIfMissing();
store = new LevelDBStore(dbPath, options);
this.lock = new ReentrantLock();
@@ -85,6 +85,7 @@ public class ContainerMapping implements Mapping {
}
/**
+ * // TODO : Fix the code to handle multiple nodes.
* Translates a list of nodes, ordered such that the first is the leader, into
* a corresponding {@link Pipeline} object.
*
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/node/NodeManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/node/NodeManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/node/NodeManager.java
index ff693bc..47cb7a0 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/node/NodeManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/node/NodeManager.java
@@ -19,6 +19,7 @@ package org.apache.hadoop.ozone.scm.node;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.UnregisteredNodeException;
+import org.apache.hadoop.ozone.protocol.StorageContainerNodeProtocol;
import java.io.Closeable;
import java.util.List;
@@ -45,9 +46,8 @@ import java.util.List;
* DECOMMISSIONED - Someone told us to remove this node from the tracking
* list, by calling removeNode. We will throw away this nodes info soon.
*/
-public interface NodeManager extends Closeable, Runnable {
-
-
+public interface NodeManager extends StorageContainerNodeProtocol, Closeable,
+ Runnable {
/**
* Removes a data node from the management of this Node Manager.
*
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/package-info.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/package-info.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/package-info.java
index 08bddb4..7686df3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/package-info.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/package-info.java
@@ -5,11 +5,11 @@
* 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
- * <p/>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p/>
+ *
+ * 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
+ * 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.
@@ -17,6 +17,6 @@
package org.apache.hadoop.ozone.scm;
-/**
- * This package contains Storage Container Manager classes.
+/*
+ * This package contains StorageContainerManager classes.
*/
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerManager.java
deleted file mode 100644
index 1974b7a..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerManager.java
+++ /dev/null
@@ -1,563 +0,0 @@
-/**
- * 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.hadoop.ozone.storage;
-
-import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH;
-import static org.apache.hadoop.fs.CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH_DEFAULT;
-import static org.apache.hadoop.ozone.OzoneConfigKeys.*;
-import static org.apache.hadoop.util.ExitUtil.terminate;
-
-import java.io.IOException;
-import java.net.InetSocketAddress;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
-
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.collect.Sets;
-import com.google.protobuf.BlockingService;
-
-
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ContainerCommandRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ContainerCommandResponseProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.ContainerData;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.CreateContainerRequestProto;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.Result;
-import org.apache.hadoop.hdfs.ozone.protocol.proto.ContainerProtos.Type;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-
-import org.apache.hadoop.classification.InterfaceAudience;
-import org.apache.hadoop.ha.HAServiceProtocol;
-import org.apache.hadoop.hdfs.DFSUtil;
-
-import org.apache.hadoop.hdfs.protocol.BlockListAsLongs;
-import org.apache.hadoop.hdfs.protocol.DatanodeID;
-import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
-import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
-import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
-import org.apache.hadoop.hdfs.protocol.LocatedBlock;
-import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
-import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos;
-import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolPB;
-import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB;
-import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
-import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
-import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NodeType;
-import org.apache.hadoop.hdfs.server.protocol.BlockReportContext;
-import org.apache.hadoop.hdfs.server.protocol.DatanodeCommand;
-import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
-import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
-import org.apache.hadoop.hdfs.server.protocol.HeartbeatResponse;
-import org.apache.hadoop.hdfs.server.protocol.NNHAStatusHeartbeat;
-import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
-import org.apache.hadoop.hdfs.server.protocol.StorageBlockReport;
-import org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks;
-import org.apache.hadoop.hdfs.server.protocol.StorageReport;
-import org.apache.hadoop.hdfs.server.protocol.VolumeFailureSummary;
-import org.apache.hadoop.io.IOUtils;
-import org.apache.hadoop.ipc.ProtobufRpcEngine;
-import org.apache.hadoop.ipc.RPC;
-import org.apache.hadoop.ozone.OzoneConfiguration;
-import org.apache.hadoop.ozone.OzoneClientUtils;
-import org.apache.hadoop.scm.container.common.helpers.Pipeline;
-import org.apache.hadoop.scm.XceiverClient;
-import org.apache.hadoop.scm.XceiverClientManager;
-import org.apache.hadoop.ozone.protocol.LocatedContainer;
-import org.apache.hadoop.ozone.protocol.StorageContainerLocationProtocol;
-import org.apache.hadoop.ozone.protocol.proto.StorageContainerLocationProtocolProtos;
-import org.apache.hadoop.ozone.protocolPB.StorageContainerLocationProtocolPB;
-import org.apache.hadoop.ozone.protocolPB.StorageContainerLocationProtocolServerSideTranslatorPB;
-import org.apache.hadoop.util.StringUtils;
-
-/**
- * StorageContainerManager is the main entry point for the service that provides
- * information about which HDFS nodes host containers.
- *
- * The current implementation is a stub suitable to begin end-to-end testing of
- * Ozone service interactions. DataNodes report to StorageContainerManager
- * using the existing heartbeat messages. StorageContainerManager lazily
- * initializes a single storage container to be served by those DataNodes.
- * All subsequent requests for container locations will reply with that single
- * pipeline, using all registered nodes.
- *
- * This will evolve from a stub to a full-fledged implementation capable of
- * partitioning the keyspace across multiple containers, with appropriate
- * distribution across nodes.
- */
-@InterfaceAudience.Private
-public class StorageContainerManager
- implements DatanodeProtocol, StorageContainerLocationProtocol {
-
- private static final Logger LOG =
- LoggerFactory.getLogger(StorageContainerManager.class);
-
- private final StorageContainerNameService ns;
- private final BlockManager blockManager;
- private final XceiverClientManager xceiverClientManager;
- private Pipeline singlePipeline;
-
- /** The RPC server that listens to requests from DataNodes. */
- private final RPC.Server datanodeRpcServer;
- private final InetSocketAddress datanodeRpcAddress;
-
- /** The RPC server that listens to requests from clients. */
- private final RPC.Server clientRpcServer;
- private final InetSocketAddress clientRpcAddress;
-
- /**
- * Creates a new StorageContainerManager. Configuration will be updated with
- * information on the actual listening addresses used for RPC servers.
- *
- * @param conf configuration
- */
- public StorageContainerManager(OzoneConfiguration conf)
- throws IOException {
- ns = new StorageContainerNameService();
- boolean haEnabled = false;
- blockManager = new BlockManager(ns, haEnabled, conf);
- xceiverClientManager = new XceiverClientManager(conf);
-
- RPC.setProtocolEngine(conf, DatanodeProtocolPB.class,
- ProtobufRpcEngine.class);
- RPC.setProtocolEngine(conf, StorageContainerLocationProtocolPB.class,
- ProtobufRpcEngine.class);
-
- final int handlerCount = conf.getInt(
- OZONE_SCM_HANDLER_COUNT_KEY, OZONE_SCM_HANDLER_COUNT_DEFAULT);
- final int maxDataLength = conf.getInt(IPC_MAXIMUM_DATA_LENGTH,
- IPC_MAXIMUM_DATA_LENGTH_DEFAULT);
- BlockingService dnProtoPbService = DatanodeProtocolProtos.
- DatanodeProtocolService.newReflectiveBlockingService(
- new DatanodeProtocolServerSideTranslatorPB(this, maxDataLength));
-
- final InetSocketAddress datanodeRpcAddr =
- OzoneClientUtils.getScmDataNodeBindAddress(conf);
- datanodeRpcServer = startRpcServer(conf, datanodeRpcAddr,
- DatanodeProtocolPB.class, dnProtoPbService, handlerCount);
- datanodeRpcAddress = updateListenAddress(conf,
- OZONE_SCM_DATANODE_ADDRESS_KEY, datanodeRpcAddr, datanodeRpcServer);
- LOG.info(buildRpcServerStartMessage("RPC server for DataNodes",
- datanodeRpcAddress));
-
- BlockingService storageProtoPbService =
- StorageContainerLocationProtocolProtos
- .StorageContainerLocationProtocolService
- .newReflectiveBlockingService(
- new StorageContainerLocationProtocolServerSideTranslatorPB(this));
-
- final InetSocketAddress clientRpcAddr =
- OzoneClientUtils.getScmClientBindAddress(conf);
- clientRpcServer = startRpcServer(conf, clientRpcAddr,
- StorageContainerLocationProtocolPB.class, storageProtoPbService,
- handlerCount);
- clientRpcAddress = updateListenAddress(conf,
- OZONE_SCM_CLIENT_ADDRESS_KEY, clientRpcAddr, clientRpcServer);
- LOG.info(buildRpcServerStartMessage(
- "StorageContainerLocationProtocol RPC server", clientRpcAddress));
- }
-
- @Override
- public Set<LocatedContainer> getStorageContainerLocations(Set<String> keys)
- throws IOException {
- LOG.trace("getStorageContainerLocations keys = {}", keys);
- Pipeline pipeline = initSingleContainerPipeline();
- List<DatanodeDescriptor> liveNodes = new ArrayList<>();
- blockManager.getDatanodeManager().fetchDatanodes(liveNodes, null, false);
- if (liveNodes.isEmpty()) {
- throw new IOException("Storage container locations not found.");
- }
- Set<DatanodeInfo> locations =
- Sets.<DatanodeInfo>newLinkedHashSet(liveNodes);
- DatanodeInfo leader = liveNodes.get(0);
- Set<LocatedContainer> locatedContainers =
- Sets.newLinkedHashSetWithExpectedSize(keys.size());
- for (String key: keys) {
- locatedContainers.add(new LocatedContainer(key, key,
- pipeline.getContainerName(), locations, leader));
- }
- LOG.trace("getStorageContainerLocations keys = {}, locatedContainers = {}",
- keys, locatedContainers);
- return locatedContainers;
- }
-
- /**
- * Asks SCM where a container should be allocated. SCM responds with the set
- * of datanodes that should be used creating this container.
- *
- * @param containerName - Name of the container.
- * @return Pipeline.
- * @throws IOException
- */
- @Override
- public Pipeline allocateContainer(String containerName) throws IOException {
- // TODO : This whole file will be replaced when we switch over to using
- // the new protocol. So skipping connecting this code for now.
- return null;
- }
-
- @Override
- public DatanodeRegistration registerDatanode(
- DatanodeRegistration registration) throws IOException {
- ns.writeLock();
- try {
- blockManager.getDatanodeManager().registerDatanode(registration);
- } finally {
- ns.writeUnlock();
- }
- return registration;
- }
-
- @Override
- public HeartbeatResponse sendHeartbeat(DatanodeRegistration registration,
- StorageReport[] reports, long dnCacheCapacity, long dnCacheUsed,
- int xmitsInProgress, int xceiverCount, int failedVolumes,
- VolumeFailureSummary volumeFailureSummary,
- boolean requestFullBlockReportLease) throws IOException {
- ns.readLock();
- try {
- long cacheCapacity = 0;
- long cacheUsed = 0;
- int maxTransfer = blockManager.getMaxReplicationStreams()
- - xmitsInProgress;
- DatanodeCommand[] cmds = blockManager.getDatanodeManager()
- .handleHeartbeat(registration, reports, blockManager.getBlockPoolId(),
- cacheCapacity, cacheUsed, xceiverCount, maxTransfer,
- failedVolumes, volumeFailureSummary);
- long txnId = 234;
- NNHAStatusHeartbeat haState = new NNHAStatusHeartbeat(
- HAServiceProtocol.HAServiceState.ACTIVE, txnId);
- RollingUpgradeInfo rollingUpgradeInfo = null;
- long blockReportLeaseId = requestFullBlockReportLease ?
- blockManager.requestBlockReportLeaseId(registration) : 0;
- return new HeartbeatResponse(cmds, haState, rollingUpgradeInfo,
- blockReportLeaseId);
- } finally {
- ns.readUnlock();
- }
- }
-
- @Override
- public DatanodeCommand blockReport(DatanodeRegistration registration,
- String poolId, StorageBlockReport[] reports, BlockReportContext context)
- throws IOException {
- for (int r = 0; r < reports.length; r++) {
- final BlockListAsLongs storageContainerList = reports[r].getBlocks();
- blockManager.processReport(registration, reports[r].getStorage(),
- storageContainerList, context);
- }
- return null;
- }
-
- @Override
- public DatanodeCommand cacheReport(DatanodeRegistration registration,
- String poolId, List<Long> blockIds) throws IOException {
- // Centralized Cache Management is not supported
- return null;
- }
-
- @Override
- public void blockReceivedAndDeleted(DatanodeRegistration registration,
- String poolId, StorageReceivedDeletedBlocks[] rcvdAndDeletedBlocks)
- throws IOException {
- for(StorageReceivedDeletedBlocks r : rcvdAndDeletedBlocks) {
- ns.writeLock();
- try {
- blockManager.processIncrementalBlockReport(registration, r);
- } finally {
- ns.writeUnlock();
- }
- }
- }
-
- @Override
- public void errorReport(DatanodeRegistration registration,
- int errorCode, String msg) throws IOException {
- String dnName =
- (registration == null) ? "Unknown DataNode" : registration.toString();
- if (errorCode == DatanodeProtocol.NOTIFY) {
- LOG.info("Error report from " + dnName + ": " + msg);
- return;
- }
- if (errorCode == DatanodeProtocol.DISK_ERROR) {
- LOG.warn("Disk error on " + dnName + ": " + msg);
- } else if (errorCode == DatanodeProtocol.FATAL_DISK_ERROR) {
- LOG.warn("Fatal disk error on " + dnName + ": " + msg);
- blockManager.getDatanodeManager().removeDatanode(registration);
- } else {
- LOG.info("Error report from " + dnName + ": " + msg);
- }
- }
-
- @Override
- public NamespaceInfo versionRequest() throws IOException {
- ns.readLock();
- try {
- return new NamespaceInfo(1, "random", "random", 2,
- NodeType.STORAGE_CONTAINER_SERVICE);
- } finally {
- ns.readUnlock();
- }
- }
-
- @Override
- public void reportBadBlocks(LocatedBlock[] blocks) throws IOException {
- ns.writeLock();
- try {
- for (int i = 0; i < blocks.length; i++) {
- ExtendedBlock blk = blocks[i].getBlock();
- DatanodeInfo[] nodes = blocks[i].getLocations();
- String[] storageIDs = blocks[i].getStorageIDs();
- for (int j = 0; j < nodes.length; j++) {
- blockManager.findAndMarkBlockAsCorrupt(blk, nodes[j],
- storageIDs == null ? null: storageIDs[j],
- "client machine reported it");
- }
- }
- } finally {
- ns.writeUnlock();
- }
- }
-
- @Override
- public void commitBlockSynchronization(ExtendedBlock block,
- long newgenerationstamp, long newlength, boolean closeFile,
- boolean deleteblock, DatanodeID[] newtargets, String[] newtargetstorages)
- throws IOException {
- // Not needed for the purpose of object store
- throw new UnsupportedOperationException();
- }
-
- /**
- * Returns information on registered DataNodes.
- *
- * @param type DataNode type to report
- * @return registered DataNodes matching requested type
- */
- public DatanodeInfo[] getDatanodeReport(DatanodeReportType type) {
- ns.readLock();
- try {
- List<DatanodeDescriptor> results =
- blockManager.getDatanodeManager().getDatanodeListForReport(type);
- return results.toArray(new DatanodeInfo[results.size()]);
- } finally {
- ns.readUnlock();
- }
- }
-
- /**
- * Returns listen address of client RPC server.
- *
- * @return listen address of client RPC server
- */
- @VisibleForTesting
- public InetSocketAddress getClientRpcAddress() {
- return clientRpcAddress;
- }
-
- /**
- * Start service.
- */
- public void start() {
- clientRpcServer.start();
- datanodeRpcServer.start();
- }
-
- /**
- * Stop service.
- */
- public void stop() {
- if (clientRpcServer != null) {
- clientRpcServer.stop();
- }
- if (datanodeRpcServer != null) {
- datanodeRpcServer.stop();
- }
- IOUtils.closeStream(ns);
- }
-
- /**
- * Wait until service has completed shutdown.
- */
- public void join() {
- try {
- clientRpcServer.join();
- datanodeRpcServer.join();
- } catch (InterruptedException e) {
- Thread.currentThread().interrupt();
- LOG.info("Interrupted during StorageContainerManager join.");
- }
- }
-
- /**
- * Lazily initializes a single container pipeline using all registered
- * DataNodes via a synchronous call to the container protocol. This single
- * container pipeline will be reused for container requests for the lifetime
- * of this StorageContainerManager.
- *
- * @throws IOException if there is an I/O error
- */
- private synchronized Pipeline initSingleContainerPipeline()
- throws IOException {
- if (singlePipeline == null) {
- List<DatanodeDescriptor> liveNodes = new ArrayList<DatanodeDescriptor>();
- blockManager.getDatanodeManager().fetchDatanodes(liveNodes, null, false);
- if (liveNodes.isEmpty()) {
- throw new IOException("Storage container locations not found.");
- }
- Pipeline newPipeline = newPipelineFromNodes(liveNodes,
- UUID.randomUUID().toString());
- XceiverClient xceiverClient =
- xceiverClientManager.acquireClient(newPipeline);
- try {
- ContainerData containerData = ContainerData
- .newBuilder()
- .setName(newPipeline.getContainerName())
- .build();
- CreateContainerRequestProto createContainerRequest =
- CreateContainerRequestProto.newBuilder()
- .setPipeline(newPipeline.getProtobufMessage())
- .setContainerData(containerData)
- .build();
- ContainerCommandRequestProto request = ContainerCommandRequestProto
- .newBuilder()
- .setCmdType(Type.CreateContainer)
- .setCreateContainer(createContainerRequest)
- .build();
- ContainerCommandResponseProto response = xceiverClient.sendCommand(
- request);
- Result result = response.getResult();
- if (result != Result.SUCCESS) {
- throw new IOException(
- "Failed to initialize container due to result code: " + result);
- }
- singlePipeline = newPipeline;
- } finally {
- xceiverClientManager.releaseClient(xceiverClient);
- }
- }
- return singlePipeline;
- }
-
- /**
- * Builds a message for logging startup information about an RPC server.
- *
- * @param description RPC server description
- * @param addr RPC server listening address
- * @return server startup message
- */
- private static String buildRpcServerStartMessage(String description,
- InetSocketAddress addr) {
- return addr != null ? String.format("%s is listening at %s",
- description, addr.getHostString() + ":" + addr.getPort()) :
- String.format("%s not started", description);
- }
-
- /**
- * Translates a list of nodes, ordered such that the first is the leader, into
- * a corresponding {@link Pipeline} object.
- *
- * @param nodes list of nodes
- * @param containerName container name
- * @return pipeline corresponding to nodes
- */
- private static Pipeline newPipelineFromNodes(List<DatanodeDescriptor> nodes,
- String containerName) {
- String leaderId = nodes.get(0).getDatanodeUuid();
- Pipeline pipeline = new Pipeline(leaderId);
- for (DatanodeDescriptor node : nodes) {
- pipeline.addMember(node);
- }
- pipeline.setContainerName(containerName);
- return pipeline;
- }
-
- /**
- * Starts an RPC server, if configured.
- *
- * @param conf configuration
- * @param addr configured address of RPC server
- * @param protocol RPC protocol provided by RPC server
- * @param instance RPC protocol implementation instance
- * @param handlerCount RPC server handler count
- *
- * @return RPC server
- * @throws IOException if there is an I/O error while creating RPC server
- */
- private static RPC.Server startRpcServer(OzoneConfiguration conf,
- InetSocketAddress addr, Class<?> protocol, BlockingService instance,
- int handlerCount)
- throws IOException {
- RPC.Server rpcServer = new RPC.Builder(conf)
- .setProtocol(protocol)
- .setInstance(instance)
- .setBindAddress(addr.getHostString())
- .setPort(addr.getPort())
- .setNumHandlers(handlerCount)
- .setVerbose(false)
- .setSecretManager(null)
- .build();
-
- DFSUtil.addPBProtocol(conf, protocol, instance, rpcServer);
- return rpcServer;
- }
-
- /**
- * After starting an RPC server, updates configuration with the actual
- * listening address of that server. The listening address may be different
- * from the configured address if, for example, the configured address uses
- * port 0 to request use of an ephemeral port.
- *
- * @param conf configuration to update
- * @param rpcAddressKey configuration key for RPC server address
- * @param addr configured address
- * @param rpcServer started RPC server.
- */
- private static InetSocketAddress updateListenAddress(OzoneConfiguration conf,
- String rpcAddressKey, InetSocketAddress addr, RPC.Server rpcServer) {
- InetSocketAddress listenAddr = rpcServer.getListenerAddress();
- InetSocketAddress updatedAddr = new InetSocketAddress(
- addr.getHostString(), listenAddr.getPort());
- conf.set(rpcAddressKey,
- addr.getHostString() + ":" + updatedAddr.getPort());
- return updatedAddr;
- }
-
- /**
- * Main entry point for starting StorageContainerManager.
- *
- * @param argv arguments
- * @throws IOException if startup fails due to I/O error
- */
- public static void main(String[] argv) throws IOException {
- StringUtils.startupShutdownMessage(
- StorageContainerManager.class, argv, LOG);
- try {
- StorageContainerManager scm = new StorageContainerManager(
- new OzoneConfiguration());
- scm.start();
- scm.join();
- } catch (Throwable t) {
- LOG.error("Failed to start the StorageContainerManager.", t);
- terminate(1, t);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerNameService.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerNameService.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerNameService.java
deleted file mode 100644
index 97f5458..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/StorageContainerNameService.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/**
- * 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.hadoop.ozone.storage;
-
-import java.io.Closeable;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import org.apache.hadoop.classification.InterfaceAudience;
-import org.apache.hadoop.hdfs.server.blockmanagement.BlockCollection;
-import org.apache.hadoop.hdfs.server.namenode.CacheManager;
-import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
-import org.apache.hadoop.hdfs.server.namenode.Namesystem;
-import org.apache.hadoop.hdfs.server.namenode.ha.HAContext;
-
-/**
- * Namesystem implementation intended for use by StorageContainerManager.
- */
-@InterfaceAudience.Private
-public class StorageContainerNameService implements Namesystem, Closeable {
-
- private final ReentrantReadWriteLock coarseLock =
- new ReentrantReadWriteLock();
- private volatile boolean serviceRunning = true;
-
- @Override
- public boolean isRunning() {
- return serviceRunning;
- }
-
- @Override
- public BlockCollection getBlockCollection(long id) {
- // TBD
- return null;
- }
-
- @Override
- public FSDirectory getFSDirectory() {
- return null;
- }
-
- @Override
- public void startSecretManagerIfNecessary() {
- // Secret manager is not supported
- }
-
- @Override
- public CacheManager getCacheManager() {
- // Centralized Cache Management is not supported
- return null;
- }
-
- @Override
- public HAContext getHAContext() {
- // HA mode is not supported
- return null;
- }
-
- @Override
- public boolean inTransitionToActive() {
- // HA mode is not supported
- return false;
- }
-
- @Override
- public boolean isInSnapshot(long blockCollectionID) {
- // Snapshots not supported
- return false;
- }
-
- @Override
- public void readLock() {
- coarseLock.readLock().lock();
- }
-
- @Override
- public void readUnlock() {
- coarseLock.readLock().unlock();
- }
-
- @Override
- public boolean hasReadLock() {
- return coarseLock.getReadHoldCount() > 0 || hasWriteLock();
- }
-
- @Override
- public void writeLock() {
- coarseLock.writeLock().lock();
- }
-
- @Override
- public void writeLockInterruptibly() throws InterruptedException {
- coarseLock.writeLock().lockInterruptibly();
- }
-
- @Override
- public void writeUnlock() {
- coarseLock.writeLock().unlock();
- }
-
- @Override
- public boolean hasWriteLock() {
- return coarseLock.isWriteLockedByCurrentThread();
- }
-
- @Override
- public boolean isInSafeMode() {
- // Safe mode is not supported
- return false;
- }
-
- @Override
- public boolean isInStartupSafeMode() {
- // Safe mode is not supported
- return false;
- }
-
- @Override
- public void close() {
- serviceRunning = false;
- }
-}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/d63ec0ca/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/package-info.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/package-info.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/package-info.java
deleted file mode 100644
index 75e337f..0000000
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/storage/package-info.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * 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.hadoop.ozone.storage;
-
-/**
- * This package contains StorageContainerManager classes.
- */
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