/// <exception cref="System.IO.IOException"/>
private NodeStatus GetNodeStatus(int responseId)
{
NodeHealthStatus nodeHealthStatus = this.context.GetNodeHealthStatus();
nodeHealthStatus.SetHealthReport(healthChecker.GetHealthReport());
nodeHealthStatus.SetIsNodeHealthy(healthChecker.IsHealthy());
nodeHealthStatus.SetLastHealthReportTime(healthChecker.GetLastHealthReportTime());
if (Log.IsDebugEnabled())
{
Log.Debug("Node's health-status : " + nodeHealthStatus.GetIsNodeHealthy() + ", "
+ nodeHealthStatus.GetHealthReport());
}
IList <ContainerStatus> containersStatuses = GetContainerStatuses();
NodeStatus nodeStatus = NodeStatus.NewInstance(nodeId, responseId, containersStatuses
, CreateKeepAliveApplicationList(), nodeHealthStatus);
return(nodeStatus);
}
public virtual void TestNodeHealthScript()
{
RecordFactory factory = RecordFactoryProvider.GetRecordFactory(null);
NodeHealthStatus healthStatus = factory.NewRecordInstance <NodeHealthStatus>();
string errorScript = "echo ERROR\n echo \"Tracker not healthy\"";
string normalScript = "echo \"I am all fine\"";
string timeOutScript = Shell.Windows ? "@echo off\nping -n 4 127.0.0.1 >nul\necho \"I am fine\""
: "sleep 4\necho \"I am fine\"";
Configuration conf = GetConfForNodeHealthScript();
conf.WriteXml(new FileOutputStream(nodeHealthConfigFile));
conf.AddResource(nodeHealthConfigFile.GetName());
WriteNodeHealthScriptFile(normalScript, true);
NodeHealthCheckerService nodeHealthChecker = new NodeHealthCheckerService();
nodeHealthChecker.Init(conf);
NodeHealthScriptRunner nodeHealthScriptRunner = nodeHealthChecker.GetNodeHealthScriptRunner
();
TimerTask timerTask = nodeHealthScriptRunner.GetTimerTask();
timerTask.Run();
SetHealthStatus(healthStatus, nodeHealthChecker.IsHealthy(), nodeHealthChecker.GetHealthReport
(), nodeHealthChecker.GetLastHealthReportTime());
Log.Info("Checking initial healthy condition");
// Check proper report conditions.
NUnit.Framework.Assert.IsTrue("Node health status reported unhealthy", healthStatus
.GetIsNodeHealthy());
NUnit.Framework.Assert.IsTrue("Node health status reported unhealthy", healthStatus
.GetHealthReport().Equals(nodeHealthChecker.GetHealthReport()));
// write out error file.
// Healthy to unhealthy transition
WriteNodeHealthScriptFile(errorScript, true);
// Run timer
timerTask.Run();
// update health status
SetHealthStatus(healthStatus, nodeHealthChecker.IsHealthy(), nodeHealthChecker.GetHealthReport
(), nodeHealthChecker.GetLastHealthReportTime());
Log.Info("Checking Healthy--->Unhealthy");
NUnit.Framework.Assert.IsFalse("Node health status reported healthy", healthStatus
.GetIsNodeHealthy());
NUnit.Framework.Assert.IsTrue("Node health status reported healthy", healthStatus
.GetHealthReport().Equals(nodeHealthChecker.GetHealthReport()));
// Check unhealthy to healthy transitions.
WriteNodeHealthScriptFile(normalScript, true);
timerTask.Run();
SetHealthStatus(healthStatus, nodeHealthChecker.IsHealthy(), nodeHealthChecker.GetHealthReport
(), nodeHealthChecker.GetLastHealthReportTime());
Log.Info("Checking UnHealthy--->healthy");
// Check proper report conditions.
NUnit.Framework.Assert.IsTrue("Node health status reported unhealthy", healthStatus
.GetIsNodeHealthy());
NUnit.Framework.Assert.IsTrue("Node health status reported unhealthy", healthStatus
.GetHealthReport().Equals(nodeHealthChecker.GetHealthReport()));
// Healthy to timeout transition.
WriteNodeHealthScriptFile(timeOutScript, true);
timerTask.Run();
SetHealthStatus(healthStatus, nodeHealthChecker.IsHealthy(), nodeHealthChecker.GetHealthReport
(), nodeHealthChecker.GetLastHealthReportTime());
Log.Info("Checking Healthy--->timeout");
NUnit.Framework.Assert.IsFalse("Node health status reported healthy even after timeout"
, healthStatus.GetIsNodeHealthy());
NUnit.Framework.Assert.IsTrue("Node script time out message not propogated", healthStatus
.GetHealthReport().Equals(NodeHealthScriptRunner.NodeHealthScriptTimedOutMsg + NodeHealthCheckerService
.Separator + nodeHealthChecker.GetDiskHandler().GetDisksHealthReport(false)));
}