| // 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.task; |
| |
| import java.util.concurrent.ExecutorService; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.cloudstack.ha.HAConfig; |
| import org.apache.cloudstack.ha.HAManager; |
| import org.apache.cloudstack.ha.HAResource; |
| import org.apache.cloudstack.ha.HAResourceCounter; |
| import org.apache.cloudstack.ha.provider.HACheckerException; |
| import org.apache.cloudstack.ha.provider.HAProvider; |
| import org.apache.cloudstack.ha.provider.HAProvider.HAProviderConfig; |
| import org.apache.log4j.Logger; |
| import org.joda.time.DateTime; |
| |
| public class ActivityCheckTask extends BaseHATask { |
| |
| public static final Logger LOG = Logger.getLogger(ActivityCheckTask.class); |
| |
| @Inject |
| private HAManager haManager; |
| |
| private long disconnectTime; |
| private long maxActivityChecks; |
| private double activityCheckFailureRatio; |
| |
| public ActivityCheckTask(final HAResource resource, final HAProvider<HAResource> haProvider, final HAConfig haConfig, final HAProvider.HAProviderConfig haProviderConfig, |
| final ExecutorService executor, final long disconnectTime) { |
| super(resource, haProvider, haConfig, haProviderConfig, executor); |
| this.disconnectTime = disconnectTime; |
| this.maxActivityChecks = (Long)haProvider.getConfigValue(HAProviderConfig.MaxActivityChecks, resource); |
| this.activityCheckFailureRatio = (Double)haProvider.getConfigValue(HAProviderConfig.ActivityCheckFailureRatio, resource); |
| } |
| |
| public boolean performAction() throws HACheckerException { |
| return getHaProvider().hasActivity(getResource(), new DateTime(disconnectTime)); |
| } |
| |
| public synchronized void processResult(boolean result, Throwable t) { |
| final HAConfig haConfig = getHaConfig(); |
| final HAResourceCounter counter = haManager.getHACounter(haConfig.getResourceId(), haConfig.getResourceType()); |
| |
| if (t != null && t instanceof HACheckerException) { |
| haManager.transitionHAState(HAConfig.Event.Ineligible, getHaConfig()); |
| counter.resetActivityCounter(); |
| return; |
| } |
| |
| counter.incrActivityCounter(!result); |
| |
| if (counter.getActivityCheckCounter() < maxActivityChecks) { |
| haManager.transitionHAState(HAConfig.Event.TooFewActivityCheckSamples, haConfig); |
| return; |
| } |
| |
| if (counter.hasActivityThresholdExceeded(activityCheckFailureRatio)) { |
| haManager.transitionHAState(HAConfig.Event.ActivityCheckFailureOverThresholdRatio, haConfig); |
| } else { |
| if (haManager.transitionHAState(HAConfig.Event.ActivityCheckFailureUnderThresholdRatio, haConfig)) { |
| counter.markResourceDegraded(); |
| } |
| } |
| counter.resetActivityCounter(); |
| } |
| } |