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Posted to common-commits@hadoop.apache.org by cd...@apache.org on 2017/12/16 02:10:51 UTC

[24/46] hadoop git commit: HDFS-12779. [READ] Allow cluster id to be specified to the Image generation tool

HDFS-12779. [READ] Allow cluster id to be specified to the Image generation tool


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/6cd80b25
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/6cd80b25
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/6cd80b25

Branch: refs/heads/trunk
Commit: 6cd80b2521e6283036d8c7058d8e452a93ff8e4b
Parents: 90d1b47
Author: Virajith Jalaparti <vi...@apache.org>
Authored: Thu Nov 9 14:09:14 2017 -0800
Committer: Chris Douglas <cd...@apache.org>
Committed: Fri Dec 15 17:51:39 2017 -0800

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 .../hdfs/server/protocol/NamespaceInfo.java     |  4 ++++
 .../hdfs/server/namenode/FileSystemImage.java   |  4 ++++
 .../hdfs/server/namenode/ImageWriter.java       | 11 ++++++++-
 .../TestNameNodeProvidedImplementation.java     | 24 +++++++++++++++++++-
 4 files changed, 41 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/6cd80b25/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
index 66ce9ee..433d9b7 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
@@ -160,6 +160,10 @@ public class NamespaceInfo extends StorageInfo {
     return state;
   }
 
+  public void setClusterID(String clusterID) {
+    this.clusterID = clusterID;
+  }
+
   @Override
   public String toString(){
     return super.toString() + ";bpid=" + blockPoolID;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/6cd80b25/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileSystemImage.java
----------------------------------------------------------------------
diff --git a/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileSystemImage.java b/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileSystemImage.java
index 2e57c9f..b66c830 100644
--- a/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileSystemImage.java
+++ b/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileSystemImage.java
@@ -68,6 +68,7 @@ public class FileSystemImage implements Tool {
     options.addOption("b", "blockclass", true, "Block output class");
     options.addOption("i", "blockidclass", true, "Block resolver class");
     options.addOption("c", "cachedirs", true, "Max active dirents");
+    options.addOption("cid", "clusterID", true, "Cluster ID");
     options.addOption("h", "help", false, "Print usage");
     return options;
   }
@@ -112,6 +113,9 @@ public class FileSystemImage implements Tool {
       case "c":
         opts.cache(Integer.parseInt(o.getValue()));
         break;
+      case "cid":
+        opts.clusterID(o.getValue());
+        break;
       default:
         throw new UnsupportedOperationException("Internal error");
       }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/6cd80b25/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageWriter.java
----------------------------------------------------------------------
diff --git a/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageWriter.java b/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageWriter.java
index 390bb39..9bd8852 100644
--- a/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageWriter.java
+++ b/hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageWriter.java
@@ -126,13 +126,16 @@ public class ImageWriter implements Closeable {
           throw new IllegalStateException("Incompatible layout " +
               info.getLayoutVersion() + " (expected " + LAYOUT_VERSION);
         }
+        // set the cluster id, if given
+        if (opts.clusterID.length() > 0) {
+          info.setClusterID(opts.clusterID);
+        }
         stor.format(info);
         blockPoolID = info.getBlockPoolID();
       }
       outdir = new Path(tmp, "current");
       out = outfs.create(new Path(outdir, "fsimage_0000000000000000000"));
     } else {
-      // XXX necessary? writing a NNStorage now...
       outdir = null;
       outfs = null;
       out = opts.outStream;
@@ -517,6 +520,7 @@ public class ImageWriter implements Closeable {
     private UGIResolver ugis;
     private Class<? extends UGIResolver> ugisClass;
     private BlockAliasMap<FileRegion> blocks;
+    private String clusterID;
 
     @SuppressWarnings("rawtypes")
     private Class<? extends BlockAliasMap> aliasMap;
@@ -543,6 +547,7 @@ public class ImageWriter implements Closeable {
           NullBlockAliasMap.class, BlockAliasMap.class);
       blockIdsClass = conf.getClass(BLOCK_RESOLVER_CLASS,
           FixedBlockResolver.class, BlockResolver.class);
+      clusterID = "";
     }
 
     @Override
@@ -601,6 +606,10 @@ public class ImageWriter implements Closeable {
       return this;
     }
 
+    public Options clusterID(String clusterID) {
+      this.clusterID = clusterID;
+      return this;
+    }
   }
 
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/6cd80b25/hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java
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diff --git a/hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java b/hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java
index 1f6aebb..22f00aa 100644
--- a/hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java
+++ b/hadoop-tools/hadoop-fs2img/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeProvidedImplementation.java
@@ -155,11 +155,18 @@ public class TestNameNodeProvidedImplementation {
 
   void createImage(TreeWalk t, Path out,
       Class<? extends BlockResolver> blockIdsClass) throws Exception {
+    createImage(t, out, blockIdsClass, "");
+  }
+
+  void createImage(TreeWalk t, Path out,
+      Class<? extends BlockResolver> blockIdsClass, String clusterID)
+      throws Exception {
     ImageWriter.Options opts = ImageWriter.defaults();
     opts.setConf(conf);
     opts.output(out.toString())
         .blocks(TextFileRegionAliasMap.class)
-        .blockIds(blockIdsClass);
+        .blockIds(blockIdsClass)
+        .clusterID(clusterID);
     try (ImageWriter w = new ImageWriter(opts)) {
       for (TreePath e : t) {
         w.accept(e);
@@ -562,4 +569,19 @@ public class TestNameNodeProvidedImplementation {
           dnInfos[0].getDatanodeUuid());
     }
   }
+
+  @Test
+  public void testSetClusterID() throws Exception {
+    String clusterID = "PROVIDED-CLUSTER";
+    createImage(new FSTreeWalk(NAMEPATH, conf), NNDIRPATH,
+        FixedBlockResolver.class, clusterID);
+    // 2 Datanodes, 1 PROVIDED and other DISK
+    startCluster(NNDIRPATH, 2, null,
+        new StorageType[][] {
+            {StorageType.PROVIDED},
+            {StorageType.DISK}},
+        false);
+    NameNode nn = cluster.getNameNode();
+    assertEquals(clusterID, nn.getNamesystem().getClusterId());
+  }
 }


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