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Subject svn commit: r1571463 - in /hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs: ./ src/main/java/org/apache/hadoop/hdfs/protocol/ src/main/java/org/apache/hadoop/hdfs/protocolPB/ src/main/java/org/apache/hadoop/hdfs/server/namenode/ src/ma...
Date Mon, 24 Feb 2014 22:05:08 GMT
Author: arp
Date: Mon Feb 24 22:05:07 2014
New Revision: 1571463

URL: http://svn.apache.org/r1571463
Log:
HDFS-6004. Change DFSAdmin for rolling upgrade commands. (Contributed by szetszwo)

Modified:
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/RollingUpgradeInfo.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgrade.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java
    hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
Mon Feb 24 22:05:07 2014
@@ -79,3 +79,6 @@ HDFS-5535 subtasks:
     HDFS-6005. Simplify Datanode rollback and downgrade. (Suresh Srinivas via
     Arpit Agarwal)
 
+    HDFS-6004. Change DFSAdmin for rolling upgrade commands. (szetszwo via
+    Arpit Agarwal)
+

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java
Mon Feb 24 22:05:07 2014
@@ -85,7 +85,7 @@ public class HdfsConstants {
   }
 
   public static enum RollingUpgradeAction {
-    QUERY, START, FINALIZE;
+    QUERY, PREPARE, FINALIZE;
     
     private static final Map<String, RollingUpgradeAction> MAP
         = new HashMap<String, RollingUpgradeAction>();

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/RollingUpgradeInfo.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/RollingUpgradeInfo.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/RollingUpgradeInfo.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/RollingUpgradeInfo.java
Mon Feb 24 22:05:07 2014
@@ -28,19 +28,22 @@ import org.apache.hadoop.classification.
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
 public class RollingUpgradeInfo extends RollingUpgradeStatus {
-  private long startTime;
-  private long finalizeTime;
+  private final long startTime;
+  private final long finalizeTime;
+  private final boolean createdRollbackImages;
   
-  public RollingUpgradeInfo(String blockPoolId, long startTime) {
-    this(blockPoolId, startTime, 0L);
-  }
-
-  public RollingUpgradeInfo(String blockPoolId, long startTime, long finalizeTime) {
+  public RollingUpgradeInfo(String blockPoolId, boolean createdRollbackImages,
+      long startTime, long finalizeTime) {
     super(blockPoolId);
+    this.createdRollbackImages = createdRollbackImages;
     this.startTime = startTime;
     this.finalizeTime = finalizeTime;
   }
   
+  public boolean createdRollbackImages() {
+    return createdRollbackImages;
+  }
+
   public boolean isStarted() {
     return startTime != 0;
   }

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
Mon Feb 24 22:05:07 2014
@@ -1458,7 +1458,7 @@ public class PBHelper {
     switch (a) {
     case QUERY:
       return RollingUpgradeActionProto.QUERY;
-    case START:
+    case PREPARE:
       return RollingUpgradeActionProto.START;
     case FINALIZE:
       return RollingUpgradeActionProto.FINALIZE;
@@ -1472,7 +1472,7 @@ public class PBHelper {
     case QUERY:
       return RollingUpgradeAction.QUERY;
     case START:
-      return RollingUpgradeAction.START;
+      return RollingUpgradeAction.PREPARE;
     case FINALIZE:
       return RollingUpgradeAction.FINALIZE;
     default:
@@ -1494,6 +1494,7 @@ public class PBHelper {
   public static RollingUpgradeInfoProto convert(RollingUpgradeInfo info) {
     return RollingUpgradeInfoProto.newBuilder()
         .setStatus(convertRollingUpgradeStatus(info))
+        .setCreatedRollbackImages(info.createdRollbackImages())
         .setStartTime(info.getStartTime())
         .setFinalizeTime(info.getFinalizeTime())
         .build();
@@ -1502,6 +1503,7 @@ public class PBHelper {
   public static RollingUpgradeInfo convert(RollingUpgradeInfoProto proto) {
     RollingUpgradeStatusProto status = proto.getStatus();
     return new RollingUpgradeInfo(status.getBlockPoolId(),
+        proto.getCreatedRollbackImages(),
         proto.getStartTime(), proto.getFinalizeTime());
   }
 

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
Mon Feb 24 22:05:07 2014
@@ -281,7 +281,7 @@ public final class FSImageFormatProtobuf
       fsn.setLastAllocatedBlockId(s.getLastAllocatedBlockId());
       imgTxId = s.getTransactionId();
       if (s.hasRollingUpgradeStartTime()) {
-        fsn.setRollingUpgradeInfo(s.getRollingUpgradeStartTime());
+        fsn.setRollingUpgradeInfo(true, s.getRollingUpgradeStartTime());
       }
     }
 

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
Mon Feb 24 22:05:07 2014
@@ -7176,11 +7176,12 @@ public class FSNamesystem implements Nam
       getFSImage().saveNamespace(this, NameNodeFile.IMAGE_ROLLBACK, null);
       LOG.info("Successfully saved namespace for preparing rolling upgrade.");
     }
-    setRollingUpgradeInfo(startTime);
+    setRollingUpgradeInfo(true, startTime);
   }
 
-  void setRollingUpgradeInfo(long startTime) {
-    rollingUpgradeInfo = new RollingUpgradeInfo(blockPoolId, startTime);
+  void setRollingUpgradeInfo(boolean createdRollbackImages, long startTime) {
+    rollingUpgradeInfo = new RollingUpgradeInfo(blockPoolId,
+        createdRollbackImages, startTime, 0L);
   }
 
   RollingUpgradeInfo getRollingUpgradeInfo() {
@@ -7234,7 +7235,7 @@ public class FSNamesystem implements Nam
 
     final long startTime = rollingUpgradeInfo.getStartTime();
     rollingUpgradeInfo = null;
-    return new RollingUpgradeInfo(blockPoolId, startTime, finalizeTime);
+    return new RollingUpgradeInfo(blockPoolId, true, startTime, finalizeTime);
   }
 
   long addCacheDirective(CacheDirectiveInfo directive, EnumSet<CacheFlag> flags)

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
Mon Feb 24 22:05:07 2014
@@ -868,7 +868,7 @@ class NameNodeRpcServer implements Namen
     switch(action) {
     case QUERY:
       return namesystem.queryRollingUpgrade();
-    case START:
+    case PREPARE:
       return namesystem.startRollingUpgrade();
     case FINALIZE:
       return namesystem.finalizeRollingUpgrade();

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
Mon Feb 24 22:05:07 2014
@@ -19,6 +19,7 @@ package org.apache.hadoop.hdfs.tools;
 
 import java.io.File;
 import java.io.IOException;
+import java.io.PrintStream;
 import java.net.InetSocketAddress;
 import java.net.URI;
 import java.net.URL;
@@ -280,11 +281,11 @@ public class DFSAdmin extends FsShell {
 
   private static class RollingUpgradeCommand {
     static final String NAME = "rollingUpgrade";
-    static final String USAGE = "-"+NAME+" [<query|start|finalize>]";
+    static final String USAGE = "-"+NAME+" [<query|prepare|finalize>]";
     static final String DESCRIPTION = USAGE + ":\n"
-        + "     query: query current rolling upgrade status.\n"
-        + "     start: start rolling upgrade."
-        + "  finalize: finalize rolling upgrade.";
+        + "     query: query the current rolling upgrade status.\n"
+        + "   prepare: prepare a new rolling upgrade."
+        + "  finalize: finalize the current rolling upgrade.";
 
     /** Check if a command is the rollingUpgrade command
      * 
@@ -295,6 +296,27 @@ public class DFSAdmin extends FsShell {
       return ("-"+NAME).equals(cmd); 
     }
 
+    private static void printMessage(RollingUpgradeInfo info,
+        PrintStream out) {
+      if (info != null && info.isStarted()) {
+        if (!info.createdRollbackImages()) {
+          out.println(
+              "Preparing for upgrade. Data is being saved for rollback."
+              + "\nRun \"dfsadmin -rollingUpgrade query\" to check the status"
+              + "\nfor proceeding with rolling upgrade");
+            out.println(info);
+        } else if (!info.isFinalized()) {
+          out.println("Proceed with rolling upgrade:");
+          out.println(info);
+        } else {
+          out.println("Rolling upgrade is finalized.");
+          out.println(info);
+        }
+      } else {
+        out.println("There is no rolling upgrade in progress.");
+      }
+    }
+
     static int run(DistributedFileSystem dfs, String[] argv, int idx) throws IOException
{
       final RollingUpgradeAction action = RollingUpgradeAction.fromString(
           argv.length >= 2? argv[1]: "");
@@ -308,24 +330,15 @@ public class DFSAdmin extends FsShell {
       final RollingUpgradeInfo info = dfs.rollingUpgrade(action);
       switch(action){
       case QUERY:
-        if (info != null && info.isStarted()) {
-          System.out.println("Rolling upgrade is in progress:");
-          System.out.println(info);
-        } else {
-          System.out.println("There is no rolling upgrade in progress.");
-        }
         break;
-      case START:
+      case PREPARE:
         Preconditions.checkState(info.isStarted());
-        System.out.println("Rolling upgrade is started:");
-        System.out.println(info);
         break;
       case FINALIZE:
         Preconditions.checkState(info.isFinalized());
-        System.out.println("Rolling upgrade is finalized:");
-        System.out.println(info);
         break;
       }
+      printMessage(info, System.out);
       return 0;
     }
   }
@@ -745,17 +758,17 @@ public class DFSAdmin extends FsShell {
     String disallowSnapshot = "-disallowSnapshot <snapshotDir>:\n" +
         "\tDo not allow snapshots to be taken on a directory any more.\n";
 
-    String shutdownDatanode = "-shutdownDatanode <datanode_host:ipc_port> [upgrade]\n"
+
-        "\tShut down the datanode. If an optional argument \"upgrade\" is\n" +
-        "\tpassed, the clients will be advised to wait for the datanode to\n" +
-        "\trestart and the fast start-up mode will be enabled. Clients will\n" +
-        "\ttimeout and ignore the datanode, if the restart does not happen\n" +
-        "\tin time. The fast start-up mode will also be disabled, if restart\n" +
-        "\tis delayed too much.\n";
-
-    String getDatanodeInfo = "-getDatanodeInfo <datanode_host:ipc_port>\n" +
-        "\tCheck the datanode for liveness. If the datanode responds,\n" +
-        "\timore information about the datanode is printed.\n";
+    String shutdownDatanode = "-shutdownDatanode <datanode_host:ipc_port> [upgrade]\n"
+        + "\tSubmit a shutdown request for the given datanode. If an optional\n"
+        + "\t\"upgrade\" argument is specified, clients accessing the datanode\n"
+        + "\twill be advised to wait for it to restart and the fast start-up\n"
+        + "\tmode will be enabled. When the restart does not happen in time,\n"
+        + "\tclients will timeout and ignore the datanode. In such case, the\n"
+        + "\tfast start-up mode will also be disabled.\n";
+
+    String getDatanodeInfo = "-getDatanodeInfo <datanode_host:ipc_port>\n"
+        + "\tGet the information about the given datanode. This command can\n"
+        + "\tbe used for checking if a datanode is alive.\n";
     
     String help = "-help [cmd]: \tDisplays help for the given command or all commands if
none\n" +
       "\t\tis specified.\n";
@@ -1401,10 +1414,11 @@ public class DFSAdmin extends FsShell {
   }
 
   private int shutdownDatanode(String[] argv, int i) throws IOException {
-    ClientDatanodeProtocol dnProxy = getDataNodeProxy(argv[i]);
+    final String dn = argv[i];
+    ClientDatanodeProtocol dnProxy = getDataNodeProxy(dn);
     boolean upgrade = false;
     if (argv.length-1 == i+1) {
-      if ("upgrade".equals(argv[i+1])) {
+      if ("upgrade".equalsIgnoreCase(argv[i+1])) {
         upgrade = true;
       } else {
         printUsage("-shutdownDatanode");
@@ -1412,6 +1426,7 @@ public class DFSAdmin extends FsShell {
       }
     }
     dnProxy.shutdownDatanode(upgrade);
+    System.out.println("Submitted a shutdown request to datanode " + dn);
     return 0;
   }
 

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
Mon Feb 24 22:05:07 2014
@@ -347,6 +347,7 @@ message RollingUpgradeInfoProto {
   required RollingUpgradeStatusProto status = 1;
   required uint64 startTime = 2;
   required uint64 finalizeTime = 3;
+  required bool createdRollbackImages = 4;
 }
 
 message RollingUpgradeResponseProto {

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgrade.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgrade.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgrade.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUpgrade.java
Mon Feb 24 22:05:07 2014
@@ -236,7 +236,7 @@ public class TestDFSUpgrade {
       try {
         final DistributedFileSystem dfs = cluster.getFileSystem();
         dfs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
-        dfs.rollingUpgrade(RollingUpgradeAction.START);
+        dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
         fail();
       } catch(RemoteException re) {
         assertEquals(InconsistentFSStateException.class.getName(),
@@ -379,7 +379,7 @@ public class TestDFSUpgrade {
       try {
         final DistributedFileSystem dfs = cluster.getFileSystem();
         dfs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
-        dfs.rollingUpgrade(RollingUpgradeAction.START);
+        dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
         fail();
       } catch(RemoteException re) {
         assertEquals(InconsistentFSStateException.class.getName(),

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
Mon Feb 24 22:05:07 2014
@@ -83,7 +83,7 @@ public class TestRollingUpgrade {
         runCmd(dfsadmin, true, "-rollingUpgrade");
 
         //start rolling upgrade
-        runCmd(dfsadmin, true, "-rollingUpgrade", "start");
+        runCmd(dfsadmin, true, "-rollingUpgrade", "prepare");
 
         //query rolling upgrade
         runCmd(dfsadmin, true, "-rollingUpgrade", "query");
@@ -182,7 +182,7 @@ public class TestRollingUpgrade {
         dfs.mkdirs(foo);
   
         //start rolling upgrade
-        info1 = dfs.rollingUpgrade(RollingUpgradeAction.START);
+        info1 = dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
         LOG.info("START\n" + info1);
 
         //query rolling upgrade
@@ -293,7 +293,7 @@ public class TestRollingUpgrade {
     final DistributedFileSystem dfs = cluster.getFileSystem();
 
     //start rolling upgrade
-    dfs.rollingUpgrade(RollingUpgradeAction.START);
+    dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
 
     dfs.mkdirs(bar);
     
@@ -358,7 +358,7 @@ public class TestRollingUpgrade {
       dfs.mkdirs(foo);
 
       // start rolling upgrade
-      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.START);
+      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
       Assert.assertTrue(info.isStarted());
       dfs.mkdirs(bar);
       dfs.close();
@@ -417,7 +417,7 @@ public class TestRollingUpgrade {
           .getStorage();
 
       // start rolling upgrade
-      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.START);
+      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
       Assert.assertTrue(info.isStarted());
       dfs.mkdirs(bar);
       // The NN should have a copy of the fsimage in case of rollbacks.

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java
Mon Feb 24 22:05:07 2014
@@ -102,7 +102,7 @@ public class TestRollingUpgradeRollback 
 
       // start rolling upgrade
       Assert.assertEquals(0,
-          dfsadmin.run(new String[] { "-rollingUpgrade", "start" }));
+          dfsadmin.run(new String[] { "-rollingUpgrade", "prepare" }));
       // create new directory
       dfs.mkdirs(bar);
 
@@ -161,7 +161,7 @@ public class TestRollingUpgradeRollback 
 
       // start rolling upgrade
       Assert.assertEquals(0,
-          dfsadmin.run(new String[] { "-rollingUpgrade", "start" }));
+          dfsadmin.run(new String[] { "-rollingUpgrade", "prepare" }));
       // create new directory
       dfs.mkdirs(bar);
       dfs.close();
@@ -216,7 +216,7 @@ public class TestRollingUpgradeRollback 
       dfs.mkdirs(foo);
 
       // start rolling upgrade
-      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.START);
+      RollingUpgradeInfo info = dfs.rollingUpgrade(RollingUpgradeAction.PREPARE);
       Assert.assertTrue(info.isStarted());
 
       // create new directory

Modified: hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java?rev=1571463&r1=1571462&r2=1571463&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
(original)
+++ hadoop/common/branches/HDFS-5535/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeRollingUpgrade.java
Mon Feb 24 22:05:07 2014
@@ -18,11 +18,26 @@
 
 package org.apache.hadoop.hdfs.server.datanode;
 
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.*;
+import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.MiniDFSCluster.Builder;
+import org.apache.hadoop.hdfs.TestRollingUpgrade;
 import org.apache.hadoop.hdfs.protocol.BlockLocalPathInfo;
 import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
 import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
@@ -30,13 +45,6 @@ import org.apache.hadoop.hdfs.server.nam
 import org.apache.hadoop.hdfs.tools.DFSAdmin;
 import org.junit.Test;
 
-import java.io.File;
-import java.io.IOException;
-
-import static org.apache.hadoop.hdfs.MiniDFSCluster.*;
-import static org.hamcrest.core.Is.is;
-import static org.junit.Assert.*;
-
 /**
  * Ensure that the DataNode correctly handles rolling upgrade
  * finalize and rollback.
@@ -142,7 +150,7 @@ public class TestDataNodeRollingUpgrade 
   private void startRollingUpgrade() throws Exception {
     LOG.info("Starting rolling upgrade");
     final DFSAdmin dfsadmin = new DFSAdmin(conf);
-    TestRollingUpgrade.runCmd(dfsadmin, true, "-rollingUpgrade", "start");
+    TestRollingUpgrade.runCmd(dfsadmin, true, "-rollingUpgrade", "prepare");
     triggerHeartBeats();
 
     // Ensure datanode rolling upgrade is started



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