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 org.apache.cloudstack.api.command.user.region.ha.gslb;
  
  import javax.inject.Inject;
  
  import org.apache.cloudstack.api.APICommand;
  import org.apache.cloudstack.api.ApiCommandResourceType;
  import org.apache.cloudstack.api.ApiConstants;
  import org.apache.cloudstack.api.ApiErrorCode;
  import org.apache.cloudstack.api.BaseAsyncCreateCmd;
  import org.apache.cloudstack.api.Parameter;
  import org.apache.cloudstack.api.ServerApiException;
  import org.apache.cloudstack.api.response.DomainResponse;
  import org.apache.cloudstack.api.response.GlobalLoadBalancerResponse;
  import org.apache.cloudstack.api.response.RegionResponse;
  import org.apache.cloudstack.context.CallContext;
  
  import com.cloud.event.EventTypes;
  import com.cloud.exception.ResourceAllocationException;
  import com.cloud.exception.ResourceUnavailableException;
  import com.cloud.region.ha.GlobalLoadBalancerRule;
  import com.cloud.region.ha.GlobalLoadBalancingRulesService;
  
  @APICommand(name = "createGlobalLoadBalancerRule", description = "Creates a global load balancer rule", responseObject = GlobalLoadBalancerResponse.class,
          requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
  public class CreateGlobalLoadBalancerRuleCmd extends BaseAsyncCreateCmd {
  
  
  
      /////////////////////////////////////////////////////
      //////////////// API parameters /////////////////////
      /////////////////////////////////////////////////////
  
      @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, required = true, description = "name of the load balancer rule")
      private String globalLoadBalancerRuleName;
  
      @Parameter(name = ApiConstants.DESCRIPTION, type = CommandType.STRING, description = "the description of the load balancer rule", length = 4096)
      private String description;
  
      @Parameter(name = ApiConstants.REGION_ID,
                 type = CommandType.INTEGER,
                 entityType = RegionResponse.class,
                 required = true,
                 description = "region where the global load balancer is going to be created.")
      private Integer regionId;
  
      @Parameter(name = ApiConstants.ACCOUNT,
                 type = CommandType.STRING,
                 description = "the account associated with the global load balancer. Must be used with the domainId parameter.")
      private String accountName;
  
      @Parameter(name = ApiConstants.DOMAIN_ID, type = CommandType.UUID, entityType = DomainResponse.class, description = "the domain ID associated with the load balancer")
      private Long domainId;
  
      @Parameter(name = ApiConstants.GSLB_LB_METHOD,
                 type = CommandType.STRING,
                 required = false,
                 description = "load balancer algorithm (roundrobin, leastconn, proximity) "
                     + "that method is used to distribute traffic across the zones participating in global server load balancing, if not specified defaults to 'round robin'")
      private String algorithm;
  
      @Parameter(name = ApiConstants.GSLB_STICKY_SESSION_METHOD,
                 type = CommandType.STRING,
                 required = false,
                 description = "session sticky method (sourceip) if not specified defaults to sourceip")
      private String stickyMethod;
  
      @Parameter(name = ApiConstants.GSLB_SERVICE_DOMAIN_NAME, type = CommandType.STRING, required = true, description = "domain name for the GSLB service.")
      private String serviceDomainName;
  
      @Parameter(name = ApiConstants.GSLB_SERVICE_TYPE, type = CommandType.STRING, required = true, description = "GSLB service type (tcp, udp, http)")
      private String serviceType;
  
      /////////////////////////////////////////////////////
      /////////////////// Accessors ///////////////////////
      /////////////////////////////////////////////////////
  
      public String getName() {
          return globalLoadBalancerRuleName;
      }
  
      public String getDescription() {
          return description;
      }
  
      public String getAlgorithm() {
          if (algorithm != null) {
              return algorithm;
          } else {
              return GlobalLoadBalancerRule.Algorithm.RoundRobin.name();
          }
      }
  
      public String getGslbMethod() {
          return algorithm;
      }
  
      public String getStickyMethod() {
          if (stickyMethod == null) {
              return "sourceip";
          }
          return stickyMethod;
      }
  
      public String getServiceDomainName() {
          return serviceDomainName;
      }
  
      public Integer getRegionId() {
          return regionId;
      }
  
      public String getServiceType() {
          return serviceType;
      }
  
      @Inject
      private GlobalLoadBalancingRulesService _gslbService;
  
      /////////////////////////////////////////////////////
      /////////////// API Implementation///////////////////
      /////////////////////////////////////////////////////
  
      @Override
      public void execute() throws ResourceAllocationException, ResourceUnavailableException {
          GlobalLoadBalancerRule rule = _entityMgr.findById(GlobalLoadBalancerRule.class, getEntityId());
          if (rule != null) {
              GlobalLoadBalancerResponse response = _responseGenerator.createGlobalLoadBalancerResponse(rule);
              response.setResponseName(getCommandName());
              this.setResponseObject(response);
          }
      }
  
      @Override
      public void create() {
          try {
              GlobalLoadBalancerRule gslbRule = _gslbService.createGlobalLoadBalancerRule(this);
              this.setEntityId(gslbRule.getId());
              this.setEntityUuid(gslbRule.getUuid());
              CallContext.current().setEventDetails("Rule Id: " + getEntityId());
          } catch (Exception ex) {
              logger.warn("Exception: ", ex);
              throw new ServerApiException(ApiErrorCode.PARAM_ERROR, ex.getMessage());
          } finally {
  
          }
      }
  
      @Override
      public String getEventType() {
          return EventTypes.EVENT_GLOBAL_LOAD_BALANCER_CREATE;
      }
  
      @Override
      public String getEventDescription() {
          return "creating a global load balancer rule Id: " + getEntityId();
  
      }
  
      @Override
      public ApiCommandResourceType getApiResourceType() {
          return ApiCommandResourceType.GlobalLoadBalancerRule;
      }
  
      @Override
      public long getEntityOwnerId() {
          Long accountId = _accountService.finalyzeAccountId(accountName, domainId, null, true);
          if (accountId == null) {
              return CallContext.current().getCallingAccount().getId();
          }
          return accountId;
      }
  
      public String getAccountName() {
          return accountName;
      }
  }
  