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From jh...@apache.org
Subject [02/50] [abbrv] hadoop git commit: HDFS-11968. ViewFS: StoragePolicies commands fail with HDFS federation. Contributed by Mukul Kumar Singh.
Date Sat, 07 Oct 2017 00:06:06 GMT
HDFS-11968. ViewFS: StoragePolicies commands fail with HDFS federation. Contributed by Mukul
Kumar Singh.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b9130511
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b9130511
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b9130511

Branch: refs/heads/YARN-5734
Commit: b91305119b434d23b99ae7e755aea6639f48b6ab
Parents: 4d5dd75
Author: Arpit Agarwal <arp@apache.org>
Authored: Tue Oct 3 11:23:40 2017 -0700
Committer: Arpit Agarwal <arp@apache.org>
Committed: Tue Oct 3 11:23:40 2017 -0700

----------------------------------------------------------------------
 .../org/apache/hadoop/fs/viewfs/InodeTree.java  |  3 +-
 .../hadoop/hdfs/tools/StoragePolicyAdmin.java   | 61 +++++++++------
 .../hdfs/tools/TestStoragePolicyCommands.java   | 11 +--
 .../tools/TestViewFSStoragePolicyCommands.java  | 80 ++++++++++++++++++++
 .../tools/TestWebHDFSStoragePolicyCommands.java | 42 ++++++++++
 5 files changed, 168 insertions(+), 29 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/b9130511/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
index 665c9c9..7274acd 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/InodeTree.java
@@ -407,7 +407,8 @@ abstract class InodeTree<T> {
         for (int j = 1; j <= i; ++j) {
           failedAt.append('/').append(path[j]);
         }
-        throw (new FileNotFoundException(failedAt.toString()));
+        throw (new FileNotFoundException("File/Directory does not exist: "
+            + failedAt.toString()));
       }
 
       if (nextInode instanceof INodeLink) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b9130511/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/StoragePolicyAdmin.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/StoragePolicyAdmin.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/StoragePolicyAdmin.java
index 9c7d048..d5e5b4d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/StoragePolicyAdmin.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/StoragePolicyAdmin.java
@@ -19,8 +19,10 @@ package org.apache.hadoop.hdfs.tools;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.BlockStoragePolicySpi;
+import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
@@ -29,6 +31,7 @@ import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.util.Tool;
 import org.apache.hadoop.util.ToolRunner;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collection;
@@ -100,11 +103,12 @@ public class StoragePolicyAdmin extends Configured implements Tool {
 
     @Override
     public int run(Configuration conf, List<String> args) throws IOException {
-      final DistributedFileSystem dfs = AdminHelper.getDFS(conf);
+      final FileSystem fs = FileSystem.get(conf);
       try {
-        Collection<BlockStoragePolicy> policies = dfs.getAllStoragePolicies();
+        Collection<? extends BlockStoragePolicySpi> policies =
+            fs.getAllStoragePolicies();
         System.out.println("Block Storage Policies:");
-        for (BlockStoragePolicy policy : policies) {
+        for (BlockStoragePolicySpi policy : policies) {
           if (policy != null) {
             System.out.println("\t" + policy);
           }
@@ -149,32 +153,43 @@ public class StoragePolicyAdmin extends Configured implements Tool {
       }
 
       Path p = new Path(path);
-      final DistributedFileSystem dfs = AdminHelper.getDFS(p.toUri(), conf);
+      final FileSystem fs = FileSystem.get(conf);
       try {
-        HdfsFileStatus status = dfs.getClient().getFileInfo(
-            Path.getPathWithoutSchemeAndAuthority(p).toString());
-        if (status == null) {
+        FileStatus status;
+        try {
+          status = fs.getFileStatus(p);
+        } catch (FileNotFoundException e) {
           System.err.println("File/Directory does not exist: " + path);
           return 2;
         }
-        byte storagePolicyId = status.getStoragePolicy();
-        if (storagePolicyId == HdfsConstants.BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) {
-          System.out.println("The storage policy of " + path + " is unspecified");
-          return 0;
-        }
-        Collection<BlockStoragePolicy> policies = dfs.getAllStoragePolicies();
-        for (BlockStoragePolicy policy : policies) {
-          if (policy.getId() == storagePolicyId) {
-            System.out.println("The storage policy of " + path + ":\n" + policy);
+
+        if (status instanceof HdfsFileStatus) {
+          byte storagePolicyId = ((HdfsFileStatus)status).getStoragePolicy();
+          if (storagePolicyId ==
+              HdfsConstants.BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) {
+            System.out.println("The storage policy of " + path
+                + " is unspecified");
             return 0;
           }
+          Collection<? extends BlockStoragePolicySpi> policies =
+              fs.getAllStoragePolicies();
+          for (BlockStoragePolicySpi policy : policies) {
+            if (policy instanceof BlockStoragePolicy) {
+              if (((BlockStoragePolicy)policy).getId() == storagePolicyId) {
+                System.out.println("The storage policy of " + path
+                    + ":\n" + policy);
+                return 0;
+              }
+            }
+          }
         }
+        System.err.println(getName() + " is not supported for filesystem "
+            + fs.getScheme() + " on path " + path);
+        return 2;
       } catch (Exception e) {
         System.err.println(AdminHelper.prettifyException(e));
         return 2;
       }
-      System.err.println("Cannot identify the storage policy for " + path);
-      return 2;
     }
   }
 
@@ -218,9 +233,9 @@ public class StoragePolicyAdmin extends Configured implements Tool {
         return 1;
       }
       Path p = new Path(path);
-      final DistributedFileSystem dfs = AdminHelper.getDFS(p.toUri(), conf);
+      final FileSystem fs = FileSystem.get(conf);
       try {
-        dfs.setStoragePolicy(p, policyName);
+        fs.setStoragePolicy(p, policyName);
         System.out.println("Set storage policy " + policyName + " on " + path);
       } catch (Exception e) {
         System.err.println(AdminHelper.prettifyException(e));
@@ -264,9 +279,9 @@ public class StoragePolicyAdmin extends Configured implements Tool {
       }
 
       Path p = new Path(path);
-      final DistributedFileSystem dfs = AdminHelper.getDFS(p.toUri(), conf);
+      final FileSystem fs = FileSystem.get(conf);
       try {
-        dfs.unsetStoragePolicy(p);
+        fs.unsetStoragePolicy(p);
         System.out.println("Unset storage policy from " + path);
       } catch (Exception e) {
         System.err.println(AdminHelper.prettifyException(e));

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b9130511/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestStoragePolicyCommands.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestStoragePolicyCommands.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestStoragePolicyCommands.java
index 149dabb..f31c739 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestStoragePolicyCommands.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestStoragePolicyCommands.java
@@ -18,11 +18,12 @@
 package org.apache.hadoop.hdfs.tools;
 
 import java.io.IOException;
+import java.net.URISyntaxException;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 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.protocol.BlockStoragePolicy;
@@ -38,12 +39,12 @@ public class TestStoragePolicyCommands {
   private static final short REPL = 1;
   private static final int SIZE = 128;
 
-  private static Configuration conf;
-  private static MiniDFSCluster cluster;
-  private static DistributedFileSystem fs;
+  protected static Configuration conf;
+  protected static MiniDFSCluster cluster;
+  protected static FileSystem fs;
 
   @Before
-  public void clusterSetUp() throws IOException {
+  public void clusterSetUp() throws IOException, URISyntaxException {
     conf = new HdfsConfiguration();
     cluster = new MiniDFSCluster.Builder(conf).numDataNodes(REPL).build();
     cluster.waitActive();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b9130511/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestViewFSStoragePolicyCommands.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestViewFSStoragePolicyCommands.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestViewFSStoragePolicyCommands.java
new file mode 100644
index 0000000..b3bb3c4
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestViewFSStoragePolicyCommands.java
@@ -0,0 +1,80 @@
+/**
+ * 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.hdfs.tools;
+
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.fs.FsConstants;
+
+import org.apache.hadoop.fs.viewfs.ConfigUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.MiniDFSNNTopology;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+
+/**
+ * Test StoragePolicyAdmin commands with ViewFileSystem.
+ */
+public class TestViewFSStoragePolicyCommands extends TestStoragePolicyCommands {
+
+  @Before
+  public void clusterSetUp() throws IOException {
+    conf = new HdfsConfiguration();
+    String clusterName = "cluster";
+    cluster =
+        new MiniDFSCluster.Builder(conf).nnTopology(
+            MiniDFSNNTopology.simpleFederatedTopology(2))
+            .numDataNodes(2)
+            .build();
+    cluster.waitActive();
+    DistributedFileSystem hdfs1 = cluster.getFileSystem(0);
+    DistributedFileSystem hdfs2 = cluster.getFileSystem(1);
+
+    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY,
+        FsConstants.VIEWFS_SCHEME +"://" + clusterName);
+
+    Path base1 = new Path("/user1");
+    Path base2 = new Path("/user2");
+    hdfs1.delete(base1, true);
+    hdfs2.delete(base2, true);
+    hdfs1.mkdirs(base1);
+    hdfs2.mkdirs(base2);
+    ConfigUtil.addLink(conf, clusterName, "/foo",
+        hdfs1.makeQualified(base1).toUri());
+    ConfigUtil.addLink(conf, clusterName, "/hdfs2",
+        hdfs2.makeQualified(base2).toUri());
+    fs = FileSystem.get(conf);
+  }
+
+  /**
+   * Storage policy operation on the viewfs root should fail.
+   */
+  @Test
+  public void testStoragePolicyRoot() throws Exception {
+    final StoragePolicyAdmin admin = new StoragePolicyAdmin(conf);
+    DFSTestUtil.toolRun(admin, "-getStoragePolicy -path /", 2,
+        "is not supported for filesystem viewfs on path /");
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b9130511/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestWebHDFSStoragePolicyCommands.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestWebHDFSStoragePolicyCommands.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestWebHDFSStoragePolicyCommands.java
new file mode 100644
index 0000000..f10205c
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestWebHDFSStoragePolicyCommands.java
@@ -0,0 +1,42 @@
+/**
+ * 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.hdfs.tools;
+
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.hdfs.web.WebHdfsConstants;
+import org.apache.hadoop.hdfs.web.WebHdfsTestUtil;
+import org.junit.Before;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+
+/**
+ * Test StoragePolicyAdmin commands with WebHDFS.
+ */
+public class TestWebHDFSStoragePolicyCommands
+    extends TestStoragePolicyCommands {
+
+  @Before
+  public void clusterSetUp() throws IOException, URISyntaxException {
+    super.clusterSetUp();
+    fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
+        WebHdfsConstants.WEBHDFS_SCHEME);
+    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY,
+        fs.getUri().toString());
+  }
+}


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