public virtual void SetupCluster()
{
SecurityUtilTestHelper.SetTokenServiceUseIp(true);
conf.SetBoolean(DFSConfigKeys.DfsNamenodeDelegationTokenAlwaysUseKey, true);
conf.Set(CommonConfigurationKeysPublic.HadoopSecurityAuthToLocal, "RULE:[2:$1@$0](JobTracker@.*FOO.COM)s/@.*//"
+ "DEFAULT");
cluster = new MiniDFSCluster.Builder(conf).NnTopology(MiniDFSNNTopology.SimpleHATopology
()).NumDataNodes(0).Build();
cluster.WaitActive();
string logicalName = HATestUtil.GetLogicalHostname(cluster);
HATestUtil.SetFailoverConfigurations(cluster, conf, logicalName, 0);
nn0 = cluster.GetNameNode(0);
nn1 = cluster.GetNameNode(1);
fs = HATestUtil.ConfigureFailoverFs(cluster, conf);
dfs = (DistributedFileSystem)fs;
cluster.TransitionToActive(0);
dtSecretManager = NameNodeAdapter.GetDtSecretManager(nn0.GetNamesystem());
}
/// <summary>
/// This test also serves to test
/// <see cref="Org.Apache.Hadoop.Hdfs.HAUtil.GetProxiesForAllNameNodesInNameservice(Org.Apache.Hadoop.Conf.Configuration, string)
/// "/>
/// and
/// <see cref="Org.Apache.Hadoop.Hdfs.DFSUtil.GetRpcAddressesForNameserviceId(Org.Apache.Hadoop.Conf.Configuration, string, string)
/// "/>
/// by virtue of the fact that it wouldn't work properly if the proxies
/// returned were not for the correct NNs.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestIsAtLeastOneActive()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(new HdfsConfiguration()).NnTopology
(MiniDFSNNTopology.SimpleHATopology()).NumDataNodes(0).Build();
try
{
Configuration conf = new HdfsConfiguration();
HATestUtil.SetFailoverConfigurations(cluster, conf);
IList <ClientProtocol> namenodes = HAUtil.GetProxiesForAllNameNodesInNameservice(conf
, HATestUtil.GetLogicalHostname(cluster));
NUnit.Framework.Assert.AreEqual(2, namenodes.Count);
NUnit.Framework.Assert.IsFalse(HAUtil.IsAtLeastOneActive(namenodes));
cluster.TransitionToActive(0);
NUnit.Framework.Assert.IsTrue(HAUtil.IsAtLeastOneActive(namenodes));
cluster.TransitionToStandby(0);
NUnit.Framework.Assert.IsFalse(HAUtil.IsAtLeastOneActive(namenodes));
cluster.TransitionToActive(1);
NUnit.Framework.Assert.IsTrue(HAUtil.IsAtLeastOneActive(namenodes));
cluster.TransitionToStandby(1);
NUnit.Framework.Assert.IsFalse(HAUtil.IsAtLeastOneActive(namenodes));
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}