Examples with NameNodeInfo org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo used on opensource projects

Example 1 with NameNodeInfo

use of org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo in project hadoop by apache.

the class DFSTestUtil method setFederatedConfiguration.

public static void setFederatedConfiguration(MiniDFSCluster cluster, Configuration conf) {
    Set<String> nameservices = new HashSet<String>();
    for (NameNodeInfo info : cluster.getNameNodeInfos()) {
        assert info.nameserviceId != null;
        nameservices.add(info.nameserviceId);
        conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, info.nameserviceId), DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress()).toString());
        conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, info.nameserviceId), DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress()).toString());
    }
    conf.set(DFSConfigKeys.DFS_NAMESERVICES, Joiner.on(",").join(nameservices));
}

Example 2 with NameNodeInfo

use of org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo in project hadoop by apache.

the class TestMiniDFSCluster method testSetUpFederatedCluster.

@Test
public void testSetUpFederatedCluster() throws Exception {
    Configuration conf = new Configuration();
    try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).nnTopology(MiniDFSNNTopology.simpleHAFederatedTopology(2)).numDataNodes(2).build()) {
        cluster.waitActive();
        cluster.transitionToActive(1);
        cluster.transitionToActive(3);
        assertEquals("standby", cluster.getNamesystem(0).getHAState());
        assertEquals("active", cluster.getNamesystem(1).getHAState());
        assertEquals("standby", cluster.getNamesystem(2).getHAState());
        assertEquals("active", cluster.getNamesystem(3).getHAState());
        String ns0nn0 = conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn0"));
        String ns0nn1 = conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn1"));
        String ns1nn0 = conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn0"));
        String ns1nn1 = conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn1"));
        for (NameNodeInfo nnInfo : cluster.getNameNodeInfos()) {
            assertEquals(ns0nn0, nnInfo.conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn0")));
            assertEquals(ns0nn1, nnInfo.conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns0", "nn1")));
            assertEquals(ns1nn0, nnInfo.conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn0")));
            assertEquals(ns1nn1, nnInfo.conf.get(DFSUtil.addKeySuffixes(DFS_NAMENODE_HTTP_ADDRESS_KEY, "ns1", "nn1")));
        }
    }
}

Example 3 with NameNodeInfo

use of org.apache.hadoop.hdfs.MiniDFSCluster.NameNodeInfo in project hadoop by apache.

the class DFSTestUtil method setFederatedHAConfiguration.

public static void setFederatedHAConfiguration(MiniDFSCluster cluster, Configuration conf) {
    Map<String, List<String>> nameservices = Maps.newHashMap();
    for (NameNodeInfo info : cluster.getNameNodeInfos()) {
        Preconditions.checkState(info.nameserviceId != null);
        List<String> nns = nameservices.get(info.nameserviceId);
        if (nns == null) {
            nns = Lists.newArrayList();
            nameservices.put(info.nameserviceId, nns);
        }
        nns.add(info.nnId);
        conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY, info.nameserviceId, info.nnId), DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress()).toString());
        conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, info.nameserviceId, info.nnId), DFSUtil.createUri(HdfsConstants.HDFS_URI_SCHEME, info.nameNode.getNameNodeAddress()).toString());
    }
    for (Map.Entry<String, List<String>> entry : nameservices.entrySet()) {
        conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY_PREFIX, entry.getKey()), Joiner.on(",").join(entry.getValue()));
        conf.set(HdfsClientConfigKeys.Failover.PROXY_PROVIDER_KEY_PREFIX + "." + entry.getKey(), ConfiguredFailoverProxyProvider.class.getName());
    }
    conf.set(DFSConfigKeys.DFS_NAMESERVICES, Joiner.on(",").join(nameservices.keySet()));
}