public virtual void TestMoverCliWithFederationHA()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(new HdfsConfiguration()).NnTopology
(MiniDFSNNTopology.SimpleHAFederatedTopology(3)).NumDataNodes(0).Build();
Configuration conf = new HdfsConfiguration();
DFSTestUtil.SetFederatedHAConfiguration(cluster, conf);
try
{
ICollection <URI> namenodes = DFSUtil.GetNsServiceRpcUris(conf);
NUnit.Framework.Assert.AreEqual(3, namenodes.Count);
IEnumerator <URI> iter = namenodes.GetEnumerator();
URI nn1 = iter.Next();
URI nn2 = iter.Next();
URI nn3 = iter.Next();
IDictionary <URI, IList <Path> > movePaths = Mover.Cli.GetNameNodePathsToMove(conf,
"-p", nn1 + "/foo", nn1 + "/bar", nn2 + "/foo/bar", nn3 + "/foobar");
NUnit.Framework.Assert.AreEqual(3, movePaths.Count);
CheckMovePaths(movePaths[nn1], new Path("/foo"), new Path("/bar"));
CheckMovePaths(movePaths[nn2], new Path("/foo/bar"));
CheckMovePaths(movePaths[nn3], new Path("/foobar"));
}
finally
{
cluster.Shutdown();
}
}
/// <summary>
/// Tests manual failover back and forth between two NameNodes
/// for federation cluster with two namespaces.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestManualFailoverFailbackFederationHA()
{
Configuration conf = new Configuration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NnTopology(MiniDFSNNTopology
.SimpleHAFederatedTopology(2)).NumDataNodes(1).Build();
try
{
cluster.WaitActive();
// test for namespace 0
TestManualFailoverFailback(cluster, conf, 0);
// test for namespace 1
TestManualFailoverFailback(cluster, conf, 1);
}
finally
{
cluster.Shutdown();
}
}