public NodeHeartbeatResponse nodeHeartbeat(
Map<ApplicationId, List<ContainerStatus>> conts, boolean isHealthy, int resId)
throws Exception {
NodeHeartbeatRequest req = Records.newRecord(NodeHeartbeatRequest.class);
NodeStatus status = Records.newRecord(NodeStatus.class);
status.setResponseId(resId);
status.setNodeId(nodeId);
for (Map.Entry<ApplicationId, List<ContainerStatus>> entry : conts.entrySet()) {
Log.info("entry.getValue() " + entry.getValue());
status.setContainersStatuses(entry.getValue());
}
NodeHealthStatus healthStatus = Records.newRecord(NodeHealthStatus.class);
healthStatus.setHealthReport("");
healthStatus.setIsNodeHealthy(isHealthy);
healthStatus.setLastHealthReportTime(1);
status.setNodeHealthStatus(healthStatus);
req.setNodeStatus(status);
req.setLastKnownContainerTokenMasterKey(this.currentContainerTokenMasterKey);
req.setLastKnownNMTokenMasterKey(this.currentNMTokenMasterKey);
NodeHeartbeatResponse heartbeatResponse = resourceTracker.nodeHeartbeat(req);
MasterKey masterKeyFromRM = heartbeatResponse.getContainerTokenMasterKey();
if (masterKeyFromRM != null
&& masterKeyFromRM.getKeyId() != this.currentContainerTokenMasterKey.getKeyId()) {
this.currentContainerTokenMasterKey = masterKeyFromRM;
}
masterKeyFromRM = heartbeatResponse.getNMTokenMasterKey();
if (masterKeyFromRM != null
&& masterKeyFromRM.getKeyId() != this.currentNMTokenMasterKey.getKeyId()) {
this.currentNMTokenMasterKey = masterKeyFromRM;
}
return heartbeatResponse;
}
private void setHealthStatus(
NodeHealthStatus healthStatus,
boolean isHealthy,
String healthReport,
long lastHealthReportTime) {
healthStatus.setHealthReport(healthReport);
healthStatus.setIsNodeHealthy(isHealthy);
healthStatus.setLastHealthReportTime(lastHealthReportTime);
}
private RMNodeImpl getUnhealthyNode() throws IOException {
RMNodeImpl node = getRunningNode();
NodeHealthStatus status =
NodeHealthStatus.newInstance(false, "sick", System.currentTimeMillis());
node.handle(
new RMNodeStatusEvent(
node.getNodeID(),
status,
new ArrayList<ContainerStatus>(),
null,
null,
new TransactionStateImpl(TransactionType.RM)));
Assert.assertEquals(NodeState.UNHEALTHY, node.getState());
return node;
}
@Test
public void testNodeHealthScript() throws Exception {
RecordFactory factory = RecordFactoryProvider.getRecordFactory(null);
NodeHealthStatus healthStatus = factory.newRecordInstance(NodeHealthStatus.class);
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.
Assert.assertTrue("Node health status reported unhealthy", healthStatus.getIsNodeHealthy());
Assert.assertTrue(
"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");
Assert.assertFalse("Node health status reported healthy", healthStatus.getIsNodeHealthy());
Assert.assertTrue(
"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.
Assert.assertTrue("Node health status reported unhealthy", healthStatus.getIsNodeHealthy());
Assert.assertTrue(
"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");
Assert.assertFalse(
"Node health status reported healthy even after timeout", healthStatus.getIsNodeHealthy());
Assert.assertTrue(
"Node script time out message not propogated",
healthStatus
.getHealthReport()
.equals(
NodeHealthScriptRunner.NODE_HEALTH_SCRIPT_TIMED_OUT_MSG
+ NodeHealthCheckerService.SEPARATOR
+ nodeHealthChecker.getDiskHandler().getDisksHealthReport()));
}