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From jia...@apache.org
Subject [25/50] [abbrv] hadoop git commit: YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. Contributed by zhihai xu
Date Tue, 28 Jul 2015 20:55:04 GMT
YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container log files from full
disks. Contributed by zhihai xu


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ff9c13e0
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ff9c13e0
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ff9c13e0

Branch: refs/heads/YARN-1197
Commit: ff9c13e0a739bb13115167dc661b6a16b2ed2c04
Parents: 83fe34a
Author: Jason Lowe <jlowe@apache.org>
Authored: Fri Jul 24 22:14:39 2015 +0000
Committer: Jason Lowe <jlowe@apache.org>
Committed: Fri Jul 24 22:14:39 2015 +0000

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt                 |  2 +
 .../nodemanager/LocalDirsHandlerService.java    | 35 +++++++++++++-
 .../webapp/TestContainerLogsPage.java           | 48 ++++++++++++++++++++
 3 files changed, 83 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff9c13e0/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index cf00fe5..c295784 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -716,6 +716,8 @@ Release 2.7.2 - UNRELEASED
     YARN-3969. Allow jobs to be submitted to reservation that is active 
     but does not have any allocations. (subru via curino)
 
+    YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container
+    log files from full disks. (zhihai xu via jlowe)
 
 Release 2.7.1 - 2015-07-06 
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff9c13e0/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
index 0a61035..6709c90 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
@@ -18,6 +18,7 @@
 
 package org.apache.hadoop.yarn.server.nodemanager;
 
+import java.io.File;
 import java.io.IOException;
 import java.net.URI;
 import java.util.ArrayList;
@@ -31,6 +32,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileContext;
+import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.LocalDirAllocator;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
@@ -467,6 +469,35 @@ public class LocalDirsHandlerService extends AbstractService {
     return disksTurnedGood;
   }
 
+  private Path getPathToRead(String pathStr, List<String> dirs)
+      throws IOException {
+    // remove the leading slash from the path (to make sure that the uri
+    // resolution results in a valid path on the dir being checked)
+    if (pathStr.startsWith("/")) {
+      pathStr = pathStr.substring(1);
+    }
+
+    FileSystem localFS = FileSystem.getLocal(getConfig());
+    for (String dir : dirs) {
+      try {
+        Path tmpDir = new Path(dir);
+        File tmpFile = tmpDir.isAbsolute()
+            ? new File(localFS.makeQualified(tmpDir).toUri())
+            : new File(dir);
+        Path file = new Path(tmpFile.getPath(), pathStr);
+        if (localFS.exists(file)) {
+          return file;
+        }
+      } catch (IOException ie) {
+        // ignore
+        LOG.warn("Failed to find " + pathStr + " at " + dir, ie);
+      }
+    }
+
+    throw new IOException("Could not find " + pathStr + " in any of" +
+        " the directories");
+  }
+
   public Path getLocalPathForWrite(String pathStr) throws IOException {
     return localDirsAllocator.getLocalPathForWrite(pathStr, getConfig());
   }
@@ -484,9 +515,9 @@ public class LocalDirsHandlerService extends AbstractService {
   }
 
   public Path getLogPathToRead(String pathStr) throws IOException {
-    return logDirsAllocator.getLocalPathToRead(pathStr, getConfig());
+    return getPathToRead(pathStr, getLogDirsForRead());
   }
-  
+
   public static String[] validatePaths(String[] paths) {
     ArrayList<String> validPaths = new ArrayList<String>();
     for (int i = 0; i < paths.length; ++i) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/ff9c13e0/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
index e63f681..84e42fc 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
@@ -39,6 +39,7 @@ import java.util.concurrent.ConcurrentMap;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.io.nativeio.NativeIO;
 import org.apache.hadoop.security.UserGroupInformation;
@@ -63,6 +64,7 @@ import org.apache.hadoop.yarn.server.nodemanager.NodeManager.NMContext;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerState;
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch;
 import org.apache.hadoop.yarn.server.nodemanager.recovery.NMNullStateStoreService;
 import org.apache.hadoop.yarn.server.nodemanager.webapp.ContainerLogsPage.ContainersLogsBlock;
 import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
@@ -144,6 +146,52 @@ public class TestContainerLogsPage {
     Assert.assertTrue(dirs.contains(containerLogDir));
   }
 
+  @Test(timeout=30000)
+  public void testContainerLogFile() throws IOException, YarnException {
+    File absLogDir = new File("target",
+        TestNMWebServer.class.getSimpleName() + "LogDir").getAbsoluteFile();
+    String logdirwithFile = absLogDir.toURI().toString();
+    Configuration conf = new Configuration();
+    conf.set(YarnConfiguration.NM_LOG_DIRS, logdirwithFile);
+    conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE,
+        0.0f);
+    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
+    dirsHandler.init(conf);
+    NMContext nmContext = new NodeManager.NMContext(null, null, dirsHandler,
+        new ApplicationACLsManager(conf), new NMNullStateStoreService());
+    // Add an application and the corresponding containers
+    String user = "nobody";
+    long clusterTimeStamp = 1234;
+    ApplicationId appId = BuilderUtils.newApplicationId(
+        clusterTimeStamp, 1);
+    Application app = mock(Application.class);
+    when(app.getUser()).thenReturn(user);
+    when(app.getAppId()).thenReturn(appId);
+    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
+        appId, 1);
+    ContainerId containerId = BuilderUtils.newContainerId(
+        appAttemptId, 1);
+    nmContext.getApplications().put(appId, app);
+
+    MockContainer container =
+        new MockContainer(appAttemptId, new AsyncDispatcher(), conf, user,
+            appId, 1);
+    container.setState(ContainerState.RUNNING);
+    nmContext.getContainers().put(containerId, container);
+    File containerLogDir = new File(absLogDir,
+        ContainerLaunch.getRelativeContainerLogDir(appId.toString(),
+            containerId.toString()));
+    containerLogDir.mkdirs();
+    String fileName = "fileName";
+    File containerLogFile = new File(containerLogDir, fileName);
+    containerLogFile.createNewFile();
+    File file = ContainerLogsUtils.getContainerLogFile(containerId,
+        fileName, user, nmContext);
+    Assert.assertEquals(containerLogFile.toURI().toString(),
+        file.toURI().toString());
+    FileUtil.fullyDelete(absLogDir);
+  }
+
   @Test(timeout = 10000)
   public void testContainerLogPageAccess() throws IOException {
     // SecureIOUtils require Native IO to be enabled. This test will run


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