Java Code Examples for org.apache.hadoop.hdfs.HdfsConfiguration#unset()

The following examples show how to use org.apache.hadoop.hdfs.HdfsConfiguration#unset() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestDFSHAAdmin.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Test that the fencing configuration can be overridden per-nameservice
 * or per-namenode
 */
@Test
public void testFencingConfigPerNameNode() throws Exception {
  Mockito.doReturn(STANDBY_READY_RESULT).when(mockProtocol).getServiceStatus();

  final String nsSpecificKey = DFSConfigKeys.DFS_HA_FENCE_METHODS_KEY + "." + NSID;
  final String nnSpecificKey = nsSpecificKey + ".nn1";
  
  HdfsConfiguration conf = getHAConf();
  // Set the default fencer to succeed
  conf.set(DFSConfigKeys.DFS_HA_FENCE_METHODS_KEY, getFencerTrueCommand());
  tool.setConf(conf);
  assertEquals(0, runTool("-failover", "nn1", "nn2", "--forcefence"));
  
  // Set the NN-specific fencer to fail. Should fail to fence.
  conf.set(nnSpecificKey, getFencerFalseCommand());
  tool.setConf(conf);
  assertEquals(-1, runTool("-failover", "nn1", "nn2", "--forcefence"));
  conf.unset(nnSpecificKey);

  // Set an NS-specific fencer to fail. Should fail.
  conf.set(nsSpecificKey, getFencerFalseCommand());
  tool.setConf(conf);
  assertEquals(-1, runTool("-failover", "nn1", "nn2", "--forcefence"));
  
  // Set the NS-specific fencer to succeed. Should succeed
  conf.set(nsSpecificKey, getFencerTrueCommand());
  tool.setConf(conf);
  assertEquals(0, runTool("-failover", "nn1", "nn2", "--forcefence"));
}
Example 2
Source File: TestDFSHAAdmin.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Test that the fencing configuration can be overridden per-nameservice
 * or per-namenode
 */
@Test
public void testFencingConfigPerNameNode() throws Exception {
  Mockito.doReturn(STANDBY_READY_RESULT).when(mockProtocol).getServiceStatus();

  final String nsSpecificKey = DFSConfigKeys.DFS_HA_FENCE_METHODS_KEY + "." + NSID;
  final String nnSpecificKey = nsSpecificKey + ".nn1";
  
  HdfsConfiguration conf = getHAConf();
  // Set the default fencer to succeed
  conf.set(DFSConfigKeys.DFS_HA_FENCE_METHODS_KEY, getFencerTrueCommand());
  tool.setConf(conf);
  assertEquals(0, runTool("-failover", "nn1", "nn2", "--forcefence"));
  
  // Set the NN-specific fencer to fail. Should fail to fence.
  conf.set(nnSpecificKey, getFencerFalseCommand());
  tool.setConf(conf);
  assertEquals(-1, runTool("-failover", "nn1", "nn2", "--forcefence"));
  conf.unset(nnSpecificKey);

  // Set an NS-specific fencer to fail. Should fail.
  conf.set(nsSpecificKey, getFencerFalseCommand());
  tool.setConf(conf);
  assertEquals(-1, runTool("-failover", "nn1", "nn2", "--forcefence"));
  
  // Set the NS-specific fencer to succeed. Should succeed
  conf.set(nsSpecificKey, getFencerTrueCommand());
  tool.setConf(conf);
  assertEquals(0, runTool("-failover", "nn1", "nn2", "--forcefence"));
}