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commit ddea9d68a018004e0c20dc880641ba5542266f9c
Author: Brahma Reddy Battula <bra...@apache.org>
AuthorDate: Thu Nov 22 00:06:22 2018 +0530
HDFS-14064. WEBHDFS: Support Enable/Disable EC Policy. Contributed by Ayush
Saxena.
(cherry picked from commit 15d8f592b51d08a658e88c6a7a7596e0edf5793b)
(cherry picked from commit 7e10dd03b5e1a3f22b55a3b970239611e6f078c0)
Conflicts:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
---
.../apache/hadoop/hdfs/web/WebHdfsFileSystem.java | 10 +++++
.../hadoop/hdfs/web/resources/ECPolicyParam.java | 42 ++++++++++++++++++++
.../hadoop/hdfs/web/resources/PutOpParam.java | 3 ++
.../federation/router/RouterWebHdfsMethods.java | 8 +++-
.../web/resources/NamenodeWebHdfsMethods.java | 25 +++++++++---
.../hadoop-hdfs/src/site/markdown/WebHDFS.md | 45 +++++++++++++++++++++
.../org/apache/hadoop/hdfs/web/TestWebHDFS.java | 46 ++++++++++++++++++++++
.../hadoop/hdfs/web/resources/TestParam.java | 8 ++++
8 files changed, 180 insertions(+), 7 deletions(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
index 99cab37..c2f6c39 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
+++
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
@@ -1308,6 +1308,16 @@ public class WebHdfsFileSystem extends FileSystem
new FsPathRunner(op, p).run();
}
+ public void enableECPolicy(String policyName) throws IOException {
+ final HttpOpParam.Op op = PutOpParam.Op.ENABLEECPOLICY;
+ new FsPathRunner(op, null, new ECPolicyParam(policyName)).run();
+ }
+
+ public void disableECPolicy(String policyName) throws IOException {
+ final HttpOpParam.Op op = PutOpParam.Op.DISABLEECPOLICY;
+ new FsPathRunner(op, null, new ECPolicyParam(policyName)).run();
+ }
+
@Override
public Path createSnapshot(final Path path, final String snapshotName)
throws IOException {
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/ECPolicyParam.java
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/ECPolicyParam.java
new file mode 100644
index 0000000..35502e3
--- /dev/null
+++
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/ECPolicyParam.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.web.resources;
+
+/** policy parameter. */
+public class ECPolicyParam extends StringParam {
+ /** Parameter name. */
+ public static final String NAME = "ecpolicy";
+ /** Default parameter value. */
+ public static final String DEFAULT = "";
+
+ private static final Domain DOMAIN = new Domain(NAME, null);
+
+ /**
+ * Constructor.
+ *
+ * @param str a string representation of the parameter value.
+ */
+ public ECPolicyParam(final String str) {
+ super(DOMAIN, str == null || str.equals(DEFAULT) ? null : str);
+ }
+
+ @Override
+ public String getName() {
+ return NAME;
+ }
+}
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/PutOpParam.java
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/PutOpParam.java
index 558bb53..7bbd361 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/PutOpParam.java
+++
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/PutOpParam.java
@@ -46,6 +46,9 @@ public class PutOpParam extends HttpOpParam<PutOpParam.Op> {
SETXATTR(false, HttpURLConnection.HTTP_OK),
REMOVEXATTR(false, HttpURLConnection.HTTP_OK),
+ ENABLEECPOLICY(false, HttpURLConnection.HTTP_OK),
+ DISABLEECPOLICY(false, HttpURLConnection.HTTP_OK),
+
ALLOWSNAPSHOT(false, HttpURLConnection.HTTP_OK),
DISALLOWSNAPSHOT(false, HttpURLConnection.HTTP_OK),
CREATESNAPSHOT(false, HttpURLConnection.HTTP_OK),
diff --git
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterWebHdfsMethods.java
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterWebHdfsMethods.java
index b40db00..977341e 100644
---
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterWebHdfsMethods.java
+++
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterWebHdfsMethods.java
@@ -54,6 +54,7 @@ import org.apache.hadoop.hdfs.web.resources.CreateParentParam;
import org.apache.hadoop.hdfs.web.resources.DelegationParam;
import org.apache.hadoop.hdfs.web.resources.DestinationParam;
import org.apache.hadoop.hdfs.web.resources.DoAsParam;
+import org.apache.hadoop.hdfs.web.resources.ECPolicyParam;
import org.apache.hadoop.hdfs.web.resources.ExcludeDatanodesParam;
import org.apache.hadoop.hdfs.web.resources.FsActionParam;
import org.apache.hadoop.hdfs.web.resources.GetOpParam;
@@ -215,7 +216,8 @@ public class RouterWebHdfsMethods extends
NamenodeWebHdfsMethods {
final ExcludeDatanodesParam exclDatanodes,
final CreateFlagParam createFlagParam,
final NoRedirectParam noredirectParam,
- final StoragePolicyParam policyName
+ final StoragePolicyParam policyName,
+ final ECPolicyParam ecpolicy
) throws IOException, URISyntaxException {
switch(op.getValue()) {
@@ -252,6 +254,8 @@ public class RouterWebHdfsMethods extends
NamenodeWebHdfsMethods {
case RENAMESNAPSHOT:
case DISALLOWSNAPSHOT:
case SETSTORAGEPOLICY:
+ case ENABLEECPOLICY:
+ case DISABLEECPOLICY:
{
// Whitelist operations that can handled by NamenodeWebHdfsMethods
return super.put(ugi, delegation, username, doAsUser, fullpath, op,
@@ -260,7 +264,7 @@ public class RouterWebHdfsMethods extends
NamenodeWebHdfsMethods {
accessTime, renameOptions, createParent, delegationTokenArgument,
aclPermission, xattrName, xattrValue, xattrSetFlag, snapshotName,
oldSnapshotName, exclDatanodes, createFlagParam, noredirectParam,
- policyName);
+ policyName, ecpolicy);
}
default:
throw new UnsupportedOperationException(op + " is not supported");
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
index 6d151ba..13f9521 100644
---
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
@@ -500,14 +500,16 @@ public class NamenodeWebHdfsMethods {
@QueryParam(NoRedirectParam.NAME) @DefaultValue(NoRedirectParam.DEFAULT)
final NoRedirectParam noredirect,
@QueryParam(StoragePolicyParam.NAME) @DefaultValue(StoragePolicyParam
- .DEFAULT) final StoragePolicyParam policyName
+ .DEFAULT) final StoragePolicyParam policyName,
+ @QueryParam(ECPolicyParam.NAME) @DefaultValue(ECPolicyParam
+ .DEFAULT) final ECPolicyParam ecpolicy
) throws IOException, InterruptedException {
return put(ugi, delegation, username, doAsUser, ROOT, op, destination,
owner, group, permission, unmaskedPermission, overwrite, bufferSize,
replication, blockSize, modificationTime, accessTime, renameOptions,
createParent, delegationTokenArgument, aclPermission, xattrName,
xattrValue, xattrSetFlag, snapshotName, oldSnapshotName,
- excludeDatanodes, createFlagParam, noredirect, policyName);
+ excludeDatanodes, createFlagParam, noredirect, policyName, ecpolicy);
}
/** Validate all required params. */
@@ -587,7 +589,9 @@ public class NamenodeWebHdfsMethods {
@QueryParam(NoRedirectParam.NAME) @DefaultValue(NoRedirectParam.DEFAULT)
final NoRedirectParam noredirect,
@QueryParam(StoragePolicyParam.NAME) @DefaultValue(StoragePolicyParam
- .DEFAULT) final StoragePolicyParam policyName
+ .DEFAULT) final StoragePolicyParam policyName,
+ @QueryParam(ECPolicyParam.NAME) @DefaultValue(ECPolicyParam.DEFAULT)
+ final ECPolicyParam ecpolicy
) throws IOException, InterruptedException {
init(ugi, delegation, username, doAsUser, path, op, destination, owner,
@@ -607,7 +611,7 @@ public class NamenodeWebHdfsMethods {
renameOptions, createParent, delegationTokenArgument,
aclPermission, xattrName, xattrValue, xattrSetFlag,
snapshotName, oldSnapshotName, excludeDatanodes,
- createFlagParam, noredirect, policyName);
+ createFlagParam, noredirect, policyName, ecpolicy);
}
});
}
@@ -642,7 +646,8 @@ public class NamenodeWebHdfsMethods {
final ExcludeDatanodesParam exclDatanodes,
final CreateFlagParam createFlagParam,
final NoRedirectParam noredirectParam,
- final StoragePolicyParam policyName
+ final StoragePolicyParam policyName,
+ final ECPolicyParam ecpolicy
) throws IOException, URISyntaxException {
final Configuration conf =
(Configuration)context.getAttribute(JspHelper.CURRENT_CONF);
final ClientProtocol cp = getRpcClientProtocol();
@@ -803,6 +808,16 @@ public class NamenodeWebHdfsMethods {
cp.setStoragePolicy(fullpath, policyName.getValue());
return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
}
+ case ENABLEECPOLICY:
+ validateOpParams(op, ecpolicy);
+ cp.enableErasureCodingPolicy(ecpolicy.getValue());
+ return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
+
+ case DISABLEECPOLICY:
+ validateOpParams(op, ecpolicy);
+ cp.disableErasureCodingPolicy(ecpolicy.getValue());
+ return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
+
default:
throw new UnsupportedOperationException(op + " is not supported");
}
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
index d393136..051ba9f 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
@@ -69,6 +69,8 @@ The HTTP REST API supports the complete
[FileSystem](../../api/org/apache/hadoop
* [`SETXATTR`](#Set_XAttr) (see
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).setXAttr)
* [`REMOVEXATTR`](#Remove_XAttr) (see
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).removeXAttr)
* [`SETSTORAGEPOLICY`](#Set_Storage_Policy) (see
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).setStoragePolicy)
+ * [`ENABLEECPOLICY`](#Enable_EC_Policy) (see
[HDFSErasureCoding](./HDFSErasureCoding.html#Administrative_commands).enablePolicy)
+ * [`DISABLEECPOLICY`](#Disable_EC_Policy) (see
[HDFSErasureCoding](./HDFSErasureCoding.html#Administrative_commands).disablePolicy)
* HTTP POST
* [`APPEND`](#Append_to_a_File) (see
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).append)
* [`CONCAT`](#Concat_Files) (see
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).concat)
@@ -1316,6 +1318,37 @@ See also:
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).getXAttrs
See also:
[FileSystem](../../api/org/apache/hadoop/fs/FileSystem.html).listXAttrs
+Erasure Coding Operations
+-------------------------
+
+### Enable EC Policy
+
+* Submit a HTTP PUT request.
+
+ curl -i -X PUT "http://<HOST>:<PORT>/webhdfs/v1/?op=ENABLEECPOLICY
+ &ecpolicy=<policy>"
+
+ The client receives a response with zero content length:
+
+ HTTP/1.1 200 OK
+ Content-Length: 0
+
+See also:
[HDFSErasureCoding](./HDFSErasureCoding.html#Administrative_commands).enablePolicy)
+
+### Disable EC Policy
+
+* Submit a HTTP PUT request.
+
+ curl -i -X PUT "http://<HOST>:<PORT>/webhdfs/v1/?op=DISABLEECPOLICY
+ &ecpolicy=<policy>"
+
+ The client receives a response with zero content length:
+
+ HTTP/1.1 200 OK
+ Content-Length: 0
+
+See also:
[HDFSErasureCoding](./HDFSErasureCoding.html#Administrative_commands).disablePolicy)
+
Snapshot Operations
-------------------
@@ -2851,6 +2884,18 @@ See also: [Create and Write to a
File](#Create_and_Write_to_a_File)
See also: [`SETSTORAGEPOLICY`](#Set_Storage_Policy)
+### Erasure Coding Policy
+
+| Name | `ecpolicy` |
+|:---- |:---- |
+| Description | The name of the erasure coding policy. |
+| Type | String |
+| Default Value | \<empty\> |
+| Valid Values | Any valid erasure coding policy name; |
+| Syntax | Any string. |
+
+See also: [`ENABLEECPOLICY`](#Enable_EC_Policy) or
[`DISABLEECPOLICY`](#Disable_EC_Policy)
+
### Start After
| Name | `startAfter` |
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
index 84c9683..082664d 100644
---
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
@@ -47,6 +47,8 @@ import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.security.PrivilegedExceptionAction;
import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
import java.util.Random;
import com.google.common.collect.ImmutableList;
@@ -85,6 +87,7 @@ import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
+import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo;
import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
@@ -1549,6 +1552,49 @@ public class TestWebHDFS {
}
}
+ private void checkECPolicyState(Collection<ErasureCodingPolicyInfo> policies,
+ String ecpolicy, String state) {
+ Iterator<ErasureCodingPolicyInfo> itr = policies.iterator();
+ boolean found = false;
+ while (policies.iterator().hasNext()) {
+ ErasureCodingPolicyInfo policy = itr.next();
+ if (policy.getPolicy().getName().equals(ecpolicy)) {
+ found = true;
+ if (state.equals("disable")) {
+ Assert.assertTrue(policy.isDisabled());
+ } else if (state.equals("enable")) {
+ Assert.assertTrue(policy.isEnabled());
+ }
+ break;
+ }
+ }
+ Assert.assertTrue(found);
+ }
+
+ // Test For Enable/Disable EC Policy in DFS.
+ @Test
+ public void testEnableDisableECPolicy() throws Exception {
+ Configuration conf = new HdfsConfiguration();
+ try (MiniDFSCluster cluster =
+ new MiniDFSCluster.Builder(conf).numDataNodes(0).build()) {
+ cluster.waitActive();
+ final DistributedFileSystem dfs = cluster.getFileSystem();
+ final WebHdfsFileSystem webHdfs = WebHdfsTestUtil
+ .getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME);
+ String policy = "RS-10-4-1024k";
+
+ // Check for Enable EC policy via WEBHDFS.
+ dfs.disableErasureCodingPolicy(policy);
+ checkECPolicyState(dfs.getAllErasureCodingPolicies(), policy, "disable");
+ webHdfs.enableECPolicy("RS-10-4-1024k");
+ checkECPolicyState(dfs.getAllErasureCodingPolicies(), policy, "enable");
+
+ // Check for Disable EC policy via WEBHDFS.
+ webHdfs.disableECPolicy(policy);
+ checkECPolicyState(dfs.getAllErasureCodingPolicies(), policy, "disable");
+ }
+ }
+
@Test
public void testWebHdfsAppend() throws Exception {
MiniDFSCluster cluster = null;
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
index 6c145a4..7bd92e6 100644
---
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/resources/TestParam.java
@@ -506,6 +506,14 @@ public class TestParam {
}
@Test
+ public void testECPolicyParam() {
+ ECPolicyParam p = new ECPolicyParam(ECPolicyParam.DEFAULT);
+ Assert.assertEquals(null, p.getValue());
+ p = new ECPolicyParam("RS-6-3-1024k");
+ Assert.assertEquals("RS-6-3-1024k", p.getValue());
+ }
+
+ @Test
public void testHttpOpParams() {
try {
new PostOpParam("TEST");
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