content: //
  // 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.agent.resource.virtualnetwork.facade;
  
  import java.util.LinkedList;
  import java.util.List;
  
  import com.cloud.agent.api.routing.LoadBalancerConfigCommand;
  import com.cloud.agent.api.routing.NetworkElementCommand;
  import com.cloud.agent.resource.virtualnetwork.ConfigItem;
  import com.cloud.agent.resource.virtualnetwork.VRScripts;
  import com.cloud.agent.resource.virtualnetwork.model.ConfigBase;
  import com.cloud.agent.resource.virtualnetwork.model.LoadBalancerRule;
  import com.cloud.agent.resource.virtualnetwork.model.LoadBalancerRules;
  import com.cloud.network.HAProxyConfigurator;
  import com.cloud.network.LoadBalancerConfigurator;
  
  public class LoadBalancerConfigItem extends AbstractConfigItemFacade {
  
      @Override
      public List<ConfigItem> generateConfig(final NetworkElementCommand cmd) {
          final LoadBalancerConfigCommand command = (LoadBalancerConfigCommand) cmd;
  
          final LoadBalancerConfigurator cfgtr = new HAProxyConfigurator();
          final String[] configuration = cfgtr.generateConfiguration(command);
  
          String routerIp = command.getNic().getIp();
          if (command.getVpcId() == null) {
              routerIp = cmd.getAccessDetail(NetworkElementCommand.ROUTER_IP);
          }
  
          final String tmpCfgFilePath = "/etc/haproxy/";
          final String tmpCfgFileName = "haproxy.cfg.new." + String.valueOf(System.currentTimeMillis());
  
          final String[][] allRules = cfgtr.generateFwRules(command);
  
          final String[] addRules = allRules[LoadBalancerConfigurator.ADD];
          final String[] removeRules = allRules[LoadBalancerConfigurator.REMOVE];
          final String[] statRules = allRules[LoadBalancerConfigurator.STATS];
  
          final LoadBalancerRule loadBalancerRule = new LoadBalancerRule(configuration, tmpCfgFilePath, tmpCfgFileName, addRules, removeRules, statRules, routerIp);
          final LoadBalancerRule.SslCertEntry[] sslCerts = cfgtr.generateSslCertEntries(command);
          loadBalancerRule.setSslCerts(sslCerts);
  
          final List<LoadBalancerRule> rules = new LinkedList<LoadBalancerRule>();
          rules.add(loadBalancerRule);
  
          final LoadBalancerRules configRules = new LoadBalancerRules(rules);
  
          return generateConfigItems(configRules);
      }
  
      @Override
      protected List<ConfigItem> generateConfigItems(final ConfigBase configuration) {
          destinationFile = VRScripts.LOAD_BALANCER_CONFIG;
  
          return super.generateConfigItems(configuration);
      }
  }
  