Examples with MaintainAnswer com.cloud.agent.api.MaintainAnswer used on opensource projects

Example 6 with MaintainAnswer

use of com.cloud.agent.api.MaintainAnswer in project cloudstack by apache.

the class ResourceManagerImpl method doMaintain.

private boolean doMaintain(final long hostId) {
    final HostVO host = _hostDao.findById(hostId);
    s_logger.info("Maintenance: attempting maintenance of host " + host.getUuid());
    ResourceState hostState = host.getResourceState();
    if (!ResourceState.canAttemptMaintenance(hostState)) {
        throw new CloudRuntimeException("Cannot perform maintain when resource state is " + hostState + ", hostId = " + hostId);
    }
    final MaintainAnswer answer = (MaintainAnswer) _agentMgr.easySend(hostId, new MaintainCommand());
    if (answer == null || !answer.getResult()) {
        s_logger.warn("Unable to send MaintainCommand to host: " + hostId);
        return false;
    }
    try {
        resourceStateTransitTo(host, ResourceState.Event.AdminAskMaintenance, _nodeId);
    } catch (final NoTransitionException e) {
        final String err = String.format("Cannot transit resource state of %s to %s", host, ResourceState.Maintenance);
        s_logger.debug(err, e);
        throw new CloudRuntimeException(err + e.getMessage());
    }
    ActionEventUtils.onStartedActionEvent(CallContext.current().getCallingUserId(), CallContext.current().getCallingAccountId(), EventTypes.EVENT_MAINTENANCE_PREPARE, "starting maintenance for host " + hostId, true, 0);
    _agentMgr.pullAgentToMaintenance(hostId);
    /* TODO: move below to listener */
    if (host.getType() == Host.Type.Routing) {
        final List<VMInstanceVO> vms = _vmDao.listByHostId(hostId);
        if (vms.size() == 0) {
            return true;
        }
        List<HostVO> hosts = listAllUpAndEnabledHosts(Host.Type.Routing, host.getClusterId(), host.getPodId(), host.getDataCenterId());
        if (CollectionUtils.isEmpty(hosts)) {
            s_logger.warn("Unable to find a host for vm migration in cluster: " + host.getClusterId());
            if (!isClusterWideMigrationPossible(host, vms, hosts)) {
                return false;
            }
        }
        for (final VMInstanceVO vm : vms) {
            if (hosts == null || hosts.isEmpty() || !answer.getMigrate() || _serviceOfferingDetailsDao.findDetail(vm.getServiceOfferingId(), GPU.Keys.vgpuType.toString()) != null) {
                handleVmForLastHostOrWithVGpu(host, vm);
            } else if (HypervisorType.LXC.equals(host.getHypervisorType()) && VirtualMachine.Type.User.equals(vm.getType())) {
                // Migration is not supported for LXC Vms. Schedule restart instead.
                _haMgr.scheduleRestart(vm, false);
            } else if (userVmManager.isVMUsingLocalStorage(vm)) {
                if (isMaintenanceLocalStrategyForceStop()) {
                    _haMgr.scheduleStop(vm, hostId, WorkType.ForceStop);
                } else if (isMaintenanceLocalStrategyMigrate()) {
                    migrateAwayVmWithVolumes(host, vm);
                } else if (!isMaintenanceLocalStrategyDefault()) {
                    String logMessage = String.format("Unsupported host.maintenance.local.storage.strategy: %s. Please set a strategy according to the global settings description: " + "'Error', 'Migration', or 'ForceStop'.", HOST_MAINTENANCE_LOCAL_STRATEGY.value().toString());
                    s_logger.error(logMessage);
                    throw new CloudRuntimeException("There are active VMs using the host's local storage pool. Please stop all VMs on this host that use local storage.");
                }
            } else {
                s_logger.info("Maintenance: scheduling migration of VM " + vm.getUuid() + " from host " + host.getUuid());
                _haMgr.scheduleMigration(vm);
            }
        }
    }
    return true;
}

Example 7 with MaintainAnswer

use of com.cloud.agent.api.MaintainAnswer in project cloudstack by apache.

the class CitrixMaintainCommandWrapper method execute.

@Override
public Answer execute(final MaintainCommand command, final CitrixResourceBase citrixResourceBase) {
    final Connection conn = citrixResourceBase.getConnection();
    try {
        final XsHost xsHost = citrixResourceBase.getHost();
        final String uuid = xsHost.getUuid();
        final Host host = Host.getByUuid(conn, uuid);
        // remove all tags cloud stack
        final Host.Record hr = host.getRecord(conn);
        // Adding this check because could not get the mock to work. Will push the code and fix it afterwards.
        if (hr == null) {
            s_logger.warn("Host.Record is null.");
            return new MaintainAnswer(command, false, "Host.Record is null");
        }
        final Iterator<String> it = hr.tags.iterator();
        while (it.hasNext()) {
            final String tag = it.next();
            if (tag.contains("cloud")) {
                it.remove();
            }
        }
        host.setTags(conn, hr.tags);
        return new MaintainAnswer(command);
    } catch (final XenAPIException e) {
        s_logger.warn("Unable to put server in maintainence mode", e);
        return new MaintainAnswer(command, false, e.getMessage());
    } catch (final XmlRpcException e) {
        s_logger.warn("Unable to put server in maintainence mode", e);
        return new MaintainAnswer(command, false, e.getMessage());
    }
}