| // 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 com.cloud.network.lb; |
| |
| import static java.lang.String.format; |
| |
| import java.util.Map; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.inject.Inject; |
| import javax.naming.ConfigurationException; |
| |
| import org.springframework.stereotype.Component; |
| |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| import org.apache.cloudstack.managed.context.ManagedContextRunnable; |
| |
| import com.cloud.configuration.Config; |
| import com.cloud.exception.ResourceUnavailableException; |
| import com.cloud.network.rules.LoadBalancerContainer.Scheme; |
| import com.cloud.utils.NumbersUtil; |
| import com.cloud.utils.component.Manager; |
| import com.cloud.utils.component.ManagerBase; |
| import com.cloud.utils.concurrency.NamedThreadFactory; |
| |
| @Component |
| public class LBHealthCheckManagerImpl extends ManagerBase implements LBHealthCheckManager, Manager { |
| |
| @Inject |
| ConfigurationDao _configDao; |
| @Inject |
| LoadBalancingRulesService _lbService; |
| |
| private String name; |
| private Map<String, String> _configs; |
| ScheduledExecutorService _executor; |
| |
| private long _interval; |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| _configs = _configDao.getConfiguration("management-server", params); |
| if (logger.isInfoEnabled()) { |
| logger.info(format("Configuring LBHealthCheck Manager %1$s", name)); |
| } |
| this.name = name; |
| _interval = NumbersUtil.parseLong(_configs.get(Config.LBHealthCheck.key()), 600); |
| _executor = Executors.newScheduledThreadPool(1, new NamedThreadFactory("LBHealthCheck")); |
| return true; |
| } |
| |
| @Override |
| public boolean start() { |
| logger.debug("LB HealthCheckmanager is getting Started"); |
| _executor.scheduleAtFixedRate(new UpdateLBHealthCheck(), 10, _interval, TimeUnit.SECONDS); |
| return true; |
| } |
| |
| @Override |
| public boolean stop() { |
| logger.debug("HealthCheckmanager is getting Stopped"); |
| _executor.shutdown(); |
| return true; |
| } |
| |
| @Override |
| public String getName() { |
| return this.name; |
| } |
| |
| protected class UpdateLBHealthCheck extends ManagedContextRunnable { |
| @Override |
| protected void runInContext() { |
| try { |
| updateLBHealthCheck(Scheme.Public); |
| updateLBHealthCheck(Scheme.Internal); |
| } catch (Exception e) { |
| logger.error("Exception in LB HealthCheck Update Checker", e); |
| } |
| } |
| } |
| |
| @Override |
| public void updateLBHealthCheck(Scheme scheme) { |
| try { |
| _lbService.updateLBHealthChecks(scheme); |
| } catch (ResourceUnavailableException e) { |
| logger.debug("Error while updating the LB HealtCheck ", e); |
| } |
| logger.debug("LB HealthCheck Manager is running and getting the updates from LB providers and updating service status"); |
| } |
| |
| } |