public virtual void TestDecommissionWithExcludeHosts()
{
Configuration conf = new Configuration();
conf.Set(YarnConfiguration.RmNodesExcludeFilePath, hostFile.GetAbsolutePath());
WriteToHostsFile(string.Empty);
DrainDispatcher dispatcher = new DrainDispatcher();
rm = new _MockRM_162(dispatcher, conf);
rm.Start();
MockNM nm1 = rm.RegisterNode("host1:1234", 5120);
MockNM nm2 = rm.RegisterNode("host2:5678", 10240);
MockNM nm3 = rm.RegisterNode("localhost:4433", 1024);
dispatcher.Await();
int metricCount = ClusterMetrics.GetMetrics().GetNumDecommisionedNMs();
NodeHeartbeatResponse nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
dispatcher.Await();
// To test that IPs also work
string ip = NetUtils.NormalizeHostName("localhost");
WriteToHostsFile("host2", ip);
rm.GetNodesListManager().RefreshNodes(conf);
CheckDecommissionedNMCount(rm, metricCount + 2);
nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue("The decommisioned metrics are not updated", NodeAction
.Shutdown.Equals(nodeHeartbeat.GetNodeAction()));
nodeHeartbeat = nm3.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue("The decommisioned metrics are not updated", NodeAction
.Shutdown.Equals(nodeHeartbeat.GetNodeAction()));
dispatcher.Await();
WriteToHostsFile(string.Empty);
rm.GetNodesListManager().RefreshNodes(conf);
nm3 = rm.RegisterNode("localhost:4433", 1024);
dispatcher.Await();
nodeHeartbeat = nm3.NodeHeartbeat(true);
dispatcher.Await();
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
// decommissined node is 1 since 1 node is rejoined after updating exclude
// file
CheckDecommissionedNMCount(rm, metricCount + 1);
}
public virtual void TestAddNewExcludePathToConfiguration()
{
Configuration conf = new Configuration();
rm = new MockRM(conf);
rm.Start();
MockNM nm1 = rm.RegisterNode("host1:1234", 5120);
MockNM nm2 = rm.RegisterNode("host2:5678", 10240);
ClusterMetrics metrics = ClusterMetrics.GetMetrics();
System.Diagnostics.Debug.Assert((metrics != null));
int initialMetricCount = metrics.GetNumDecommisionedNMs();
NodeHeartbeatResponse nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.AreEqual(NodeAction.Normal, nodeHeartbeat.GetNodeAction());
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.AreEqual(NodeAction.Normal, nodeHeartbeat.GetNodeAction());
WriteToHostsFile("host2");
conf.Set(YarnConfiguration.RmNodesExcludeFilePath, hostFile.GetAbsolutePath());
rm.GetNodesListManager().RefreshNodes(conf);
CheckDecommissionedNMCount(rm, ++initialMetricCount);
nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.AreEqual("Node should not have been decomissioned.", NodeAction
.Normal, nodeHeartbeat.GetNodeAction());
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.AreEqual("Node should have been decomissioned but is in state"
+ nodeHeartbeat.GetNodeAction(), NodeAction.Shutdown, nodeHeartbeat.GetNodeAction
());
}
public virtual void TestDecommissionWithIncludeHosts()
{
WriteToHostsFile("localhost", "host1", "host2");
Configuration conf = new Configuration();
conf.Set(YarnConfiguration.RmNodesIncludeFilePath, hostFile.GetAbsolutePath());
rm = new MockRM(conf);
rm.Start();
MockNM nm1 = rm.RegisterNode("host1:1234", 5120);
MockNM nm2 = rm.RegisterNode("host2:5678", 10240);
MockNM nm3 = rm.RegisterNode("localhost:4433", 1024);
ClusterMetrics metrics = ClusterMetrics.GetMetrics();
System.Diagnostics.Debug.Assert((metrics != null));
int metricCount = metrics.GetNumDecommisionedNMs();
NodeHeartbeatResponse nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
nodeHeartbeat = nm3.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
// To test that IPs also work
string ip = NetUtils.NormalizeHostName("localhost");
WriteToHostsFile("host1", ip);
rm.GetNodesListManager().RefreshNodes(conf);
CheckDecommissionedNMCount(rm, ++metricCount);
nodeHeartbeat = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
NUnit.Framework.Assert.AreEqual(1, ClusterMetrics.GetMetrics().GetNumDecommisionedNMs
());
nodeHeartbeat = nm2.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue("Node is not decommisioned.", NodeAction.Shutdown.Equals
(nodeHeartbeat.GetNodeAction()));
nodeHeartbeat = nm3.NodeHeartbeat(true);
NUnit.Framework.Assert.IsTrue(NodeAction.Normal.Equals(nodeHeartbeat.GetNodeAction
()));
NUnit.Framework.Assert.AreEqual(metricCount, ClusterMetrics.GetMetrics().GetNumDecommisionedNMs
());
}
public virtual void TestRefreshNodesWithFileSystemBasedConfigurationProvider()
{
configuration.Set(YarnConfiguration.RmConfigurationProviderClass, "org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider"
);
// upload default configurations
UploadDefaultConfiguration();
try
{
rm = new MockRM(configuration);
rm.Init(configuration);
rm.Start();
}
catch (Exception)
{
NUnit.Framework.Assert.Fail("Should not get any exceptions");
}
FilePath excludeHostsFile = new FilePath(tmpDir.ToString(), "excludeHosts");
if (excludeHostsFile.Exists())
{
excludeHostsFile.Delete();
}
if (!excludeHostsFile.CreateNewFile())
{
NUnit.Framework.Assert.Fail("Can not create " + "excludeHosts");
}
PrintWriter fileWriter = new PrintWriter(excludeHostsFile);
fileWriter.Write("0.0.0.0:123");
fileWriter.Close();
UploadToRemoteFileSystem(new Path(excludeHostsFile.GetAbsolutePath()));
Configuration yarnConf = new YarnConfiguration();
yarnConf.Set(YarnConfiguration.RmNodesExcludeFilePath, this.workingPath + "/excludeHosts"
);
UploadConfiguration(yarnConf, YarnConfiguration.YarnSiteConfigurationFile);
rm.adminService.RefreshNodes(RefreshNodesRequest.NewInstance());
ICollection <string> excludeHosts = rm.GetNodesListManager().GetHostsReader().GetExcludedHosts
();
NUnit.Framework.Assert.IsTrue(excludeHosts.Count == 1);
NUnit.Framework.Assert.IsTrue(excludeHosts.Contains("0.0.0.0:123"));
}