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HDFS-3236. NameNode does not initialize generic conf keys when started with -initializeSharedEditsDir. Contributed by Aaron T. Myers. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1311554 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-04-10 02:17:17 +00:00
parent 4b0d4d54d9
commit 9597c81f35
3 changed files with 21 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -464,6 +464,9 @@ Release 2.0.0 - UNRELEASED
HDFS-3234. Accidentally left log message in GetConf after HDFS-3226 (todd)
HDFS-3236. NameNode does not initialize generic conf keys when started
with -initializeSharedEditsDir (atm)
BREAKDOWN OF HDFS-1623 SUBTASKS
HDFS-2179. Add fencing framework and mechanisms for NameNode HA. (todd)

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
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@ -760,6 +760,9 @@ public class NameNode {
*/
private static boolean initializeSharedEdits(Configuration conf,
boolean force, boolean interactive) {
String nsId = DFSUtil.getNamenodeNameServiceId(conf);
String namenodeId = HAUtil.getNameNodeId(conf, nsId);
initializeGenericKeys(conf, nsId, namenodeId);
NNStorage existingStorage = null;
try {
FSNamesystem fsns = FSNamesystem.loadFromDisk(conf,

15
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestInitializeSharedEdits.java
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@ -25,6 +25,8 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
@ -117,4 +119,17 @@ public class TestInitializeSharedEdits {
assertFalse(NameNode.initializeSharedEdits(conf, false));
assertTrue(NameNode.initializeSharedEdits(conf, false));
}
@Test
public void testInitializeSharedEditsConfiguresGenericConfKeys() {
Configuration conf = new Configuration();
conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, "ns1");
conf.set(DFSUtil.addKeySuffixes(DFSConfigKeys.DFS_HA_NAMENODES_KEY_PREFIX,
"ns1"), "nn1,nn2");
conf.set(DFSUtil.addKeySuffixes(DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY,
"ns1", "nn1"), "localhost:1234");
assertNull(conf.get(DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY));
NameNode.initializeSharedEdits(conf);
assertNotNull(conf.get(DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY));
}
}