public virtual void TestNamenodeRpcBindAny()
{
Configuration conf = new HdfsConfiguration();
// The name node in MiniDFSCluster only binds to 127.0.0.1.
// We can set the bind address to 0.0.0.0 to make it listen
// to all interfaces.
conf.Set(DFSConfigKeys.DfsNamenodeRpcBindHostKey, "0.0.0.0");
MiniDFSCluster cluster = null;
try
{
cluster = new MiniDFSCluster.Builder(conf).Build();
cluster.WaitActive();
NUnit.Framework.Assert.AreEqual("0.0.0.0", ((NameNodeRpcServer)cluster.GetNameNodeRpc
()).GetClientRpcServer().GetListenerAddress().GetHostName());
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
// Reset the config
conf.Unset(DFSConfigKeys.DfsNamenodeRpcBindHostKey);
}
}
public virtual void TestFencingConfigPerNameNode()
{
Org.Mockito.Mockito.DoReturn(StandbyReadyResult).When(mockProtocol).GetServiceStatus
();
string nsSpecificKey = DFSConfigKeys.DfsHaFenceMethodsKey + "." + Nsid;
string nnSpecificKey = nsSpecificKey + ".nn1";
HdfsConfiguration conf = GetHAConf();
// Set the default fencer to succeed
conf.Set(DFSConfigKeys.DfsHaFenceMethodsKey, GetFencerTrueCommand());
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
// Set the NN-specific fencer to fail. Should fail to fence.
conf.Set(nnSpecificKey, GetFencerFalseCommand());
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(-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);
NUnit.Framework.Assert.AreEqual(-1, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
// Set the NS-specific fencer to succeed. Should succeed
conf.Set(nsSpecificKey, GetFencerTrueCommand());
tool.SetConf(conf);
NUnit.Framework.Assert.AreEqual(0, RunTool("-failover", "nn1", "nn2", "--forcefence"
));
}
public virtual void TestAllReplicasOnSameRack()
{
Configuration conf = new HdfsConfiguration();
conf.Unset(DFSConfigKeys.NetTopologyScriptFileNameKey);
fsn = Org.Mockito.Mockito.Mock <FSNamesystem>();
Org.Mockito.Mockito.DoReturn(true).When(fsn).HasWriteLock();
Org.Mockito.Mockito.DoReturn(true).When(fsn).HasReadLock();
bm = new BlockManager(fsn, conf);
// Add nodes on two racks
AddNodes(nodes);
// Added a new block in blocksMap and all the replicas are on the same rack
BlockInfoContiguous blockInfo = AddBlockOnNodes(1, rackA);
// Since the network toppolgy is multi-rack, the blockHasEnoughRacks
// should return false.
NUnit.Framework.Assert.IsFalse("Replicas for block is not stored on enough racks"
, bm.BlockHasEnoughRacks(blockInfo));
}
