| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| package org.apache.cloudstack.ha.provider.host; |
| |
| import com.cloud.agent.AgentManager; |
| import com.cloud.alert.AlertManager; |
| import com.cloud.ha.HighAvailabilityManager; |
| import com.cloud.host.Host; |
| import com.cloud.host.HostVO; |
| import com.cloud.host.Status; |
| import com.cloud.host.Status.Event; |
| import com.cloud.resource.ResourceManager; |
| import com.cloud.resource.ResourceState; |
| import com.cloud.utils.component.AdapterBase; |
| import com.cloud.utils.fsm.NoTransitionException; |
| import org.apache.cloudstack.alert.AlertService; |
| import org.apache.cloudstack.ha.HAConfig; |
| import org.apache.cloudstack.ha.HAResource; |
| import org.apache.cloudstack.ha.provider.HAProvider; |
| import org.apache.cloudstack.utils.identity.ManagementServerNode; |
| import org.apache.log4j.Logger; |
| |
| import javax.inject.Inject; |
| |
| public abstract class HAAbstractHostProvider extends AdapterBase implements HAProvider<Host> { |
| |
| private final static Logger LOG = Logger.getLogger(HAAbstractHostProvider.class); |
| |
| @Inject |
| private AlertManager alertManager; |
| @Inject |
| protected AgentManager agentManager; |
| @Inject |
| protected ResourceManager resourceManager; |
| @Inject |
| protected HighAvailabilityManager oldHighAvailabilityManager; |
| |
| |
| @Override |
| public HAResource.ResourceType resourceType() { |
| return HAResource.ResourceType.Host; |
| } |
| |
| public HAResource.ResourceSubType resourceSubType() { |
| return HAResource.ResourceSubType.Unknown; |
| } |
| |
| @Override |
| public boolean isDisabled(final Host host) { |
| return host.isDisabled(); |
| } |
| |
| @Override |
| public boolean isInMaintenanceMode(final Host host) { |
| return host.isInMaintenanceStates(); |
| } |
| |
| @Override |
| public void fenceSubResources(final Host r) { |
| if (r.getState() != Status.Down) { |
| try { |
| LOG.debug("Trying to disconnect the host without investigation and scheduling HA for the VMs on host id=" + r.getId()); |
| agentManager.disconnectWithoutInvestigation(r.getId(), Event.HostDown); |
| oldHighAvailabilityManager.scheduleRestartForVmsOnHost((HostVO)r, true); |
| } catch (Exception e) { |
| LOG.error("Failed to disconnect host and schedule HA restart of VMs after fencing the host: ", e); |
| } |
| } |
| } |
| |
| @Override |
| public void enableMaintenance(final Host r) { |
| try { |
| resourceManager.resourceStateTransitTo(r, ResourceState.Event.InternalEnterMaintenance, ManagementServerNode.getManagementServerId()); |
| } catch (NoTransitionException e) { |
| LOG.error("Failed to put host in maintenance mode after host-ha fencing and scheduling VM-HA: ", e); |
| } |
| } |
| |
| @Override |
| public void sendAlert(final Host host, final HAConfig.HAState nextState) { |
| String subject = "HA operation performed for host"; |
| String body = subject; |
| if (HAConfig.HAState.Fencing.equals(nextState)) { |
| subject = String.format("HA Fencing of host id=%d, in dc id=%d performed", host.getId(), host.getDataCenterId()); |
| body = String.format("HA Fencing has been performed for host id=%d, uuid=%s in datacenter id=%d", host.getId(), host.getUuid(), host.getDataCenterId()); |
| } else if (HAConfig.HAState.Recovering.equals(nextState)) { |
| subject = String.format("HA Recovery of host id=%d, in dc id=%d performed", host.getId(), host.getDataCenterId()); |
| body = String.format("HA Recovery has been performed for host id=%d, uuid=%s in datacenter id=%d", host.getId(), host.getUuid(), host.getDataCenterId()); |
| } |
| alertManager.sendAlert(AlertService.AlertType.ALERT_TYPE_HA_ACTION, host.getDataCenterId(), host.getPodId(), subject, body); |
| } |
| |
| } |