anuragaw commented on a change in pull request #3425: [WIP DO NOT MERGE] Better
tracking host maintanence success and failure
URL: https://github.com/apache/cloudstack/pull/3425#discussion_r298980818
##########
File path: server/src/main/java/com/cloud/resource/ResourceManagerImpl.java
##########
@@ -1353,46 +1353,57 @@ protected boolean setHostIntoMaintenance(HostVO host)
throws NoTransitionExcepti
return true;
}
- protected boolean setHostIntoPrepareForMaintenanceWithErrors(HostVO host)
throws NoTransitionException {
- s_logger.debug("Host " + host.getUuid() + " entering in
PrepareForMaintainenceWithErrors state");
+ protected boolean setHostIntoPrepareForMaintenanceWithErrors(HostVO host,
List<VMInstanceVO> errorVms) throws NoTransitionException {
+ s_logger.debug("Host " + host.getUuid() + " entering in
PrepareForMaintenanceWithErrors state");
+ configureVncAccessForKVMHostFailedMigrations(host, errorVms);
resourceStateTransitTo(host, ResourceState.Event.UnableToMigrate,
_nodeId);
return true;
}
+ protected boolean setHostIntoPrepareForMaintenanceAfterErrorsFixed(HostVO
host) throws NoTransitionException {
+ s_logger.debug("Host " + host.getUuid() + " entering in
PrepareForMaintenance state as any previous corrections have been fixed");
+ resourceStateTransitTo(host, ResourceState.Event.ErrorsCorrected,
_nodeId);
+ return true;
+ }
+
/**
* Return true if host goes into Maintenance mode, only when:
* - No Running, Migrating or Failed migrations (host_id = last_host_id)
for the host
*/
- protected boolean attemptMaintain(HostVO host) throws
NoTransitionException {
+ private boolean attemptMaintain(HostVO host) throws NoTransitionException {
final long hostId = host.getId();
if (CollectionUtils.isEmpty(_vmDao.findByHostInStates(hostId,
State.Migrating, State.Running, State.Starting, State.Stopping, State.Error,
State.Unknown))) {
return setHostIntoMaintenance(host);
}
final List<VMInstanceVO> allVmsOnHost = _vmDao.listByHostId(hostId);
- final List<VMInstanceVO> migratingVms =
_vmDao.listVmsMigratingFromHost(hostId);
- final List<VMInstanceVO> failedMigrations =
_vmDao.listNonMigratingVmsByHostEqualsLastHost(hostId);
- boolean hasPendingWorkForVMs = false;
+ boolean hasPendingMigrationWorks = false;
for (VMInstanceVO vmInstanceVO : allVmsOnHost) {
- if (_haMgr.hasPendingHaWork(vmInstanceVO.getId())) {
- hasPendingWorkForVMs = true;
+ if (_haMgr.hasPendingMigrationsWork(vmInstanceVO.getId())) {
+ hasPendingMigrationWorks = true;
break;
}
}
- if (!hasPendingWorkForVMs) {
- if ((CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId,
State.Running)) && CollectionUtils.isEmpty(migratingVms)) ||
- (CollectionUtils.isEmpty(_vmDao.findByHostInStates(hostId,
State.Running)) &&
-
CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId, State.Unknown,
State.Error, State.Shutdowned)))) {
- return setHostIntoErrorInMaintenance(host, failedMigrations);
- }
+ final List<VMInstanceVO> failedMigrations = new
ArrayList<>(_vmDao.listNonMigratingVmsByHostEqualsLastHost(hostId));
+ final List<VMInstanceVO> errorVms = new
ArrayList<>(_vmDao.findByHostInStates(hostId, State.Unknown, State.Error,
State.Shutdowned));
+ final boolean hasMigratingVms =
CollectionUtils.isNotEmpty(_vmDao.listVmsMigratingFromHost(hostId));
+ final boolean hasRunningVms =
CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId, State.Running));
+ final boolean hasFailedMigrations =
CollectionUtils.isNotEmpty(failedMigrations);
+ final boolean hasVmsInFailureStates =
CollectionUtils.isNotEmpty(errorVms);
+ errorVms.addAll(failedMigrations);
+
+ if (!hasPendingMigrationWorks && (hasRunningVms || (!hasRunningVms &&
!hasMigratingVms && hasVmsInFailureStates))) {
+ return setHostIntoErrorInMaintenance(host, errorVms);
+ }
+
+ if ((hasVmsInFailureStates || hasFailedMigrations) &&
(hasPendingMigrationWorks || hasMigratingVms ||
CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId, State.Stopping))))
{
Review comment:
Good point. Doing it.
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