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.network.contrail.api.command;
  
  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.NetworkResponse;
  import org.apache.cloudstack.api.response.ProjectResponse;
  import org.apache.cloudstack.api.response.ServiceOfferingResponse;
  import org.apache.cloudstack.api.response.TemplateResponse;
  import org.apache.cloudstack.api.response.ZoneResponse;
  import org.apache.cloudstack.context.CallContext;
  import org.apache.cloudstack.network.contrail.api.response.ServiceInstanceResponse;
  import org.apache.cloudstack.network.contrail.management.ServiceManager;
  import org.apache.cloudstack.network.contrail.management.ServiceVirtualMachine;
  
  import com.cloud.dc.DataCenter;
  import com.cloud.event.EventTypes;
  import com.cloud.exception.ConcurrentOperationException;
  import com.cloud.exception.InsufficientCapacityException;
  import com.cloud.exception.InvalidParameterValueException;
  import com.cloud.exception.NetworkRuleConflictException;
  import com.cloud.exception.ResourceAllocationException;
  import com.cloud.exception.ResourceUnavailableException;
  import com.cloud.network.Network;
  import com.cloud.offering.ServiceOffering;
  import com.cloud.template.VirtualMachineTemplate;
  import com.cloud.user.Account;
  
  @APICommand(name = "createServiceInstance",
              description = "Creates a system virtual-machine that implements network services",
              responseObject = ServiceInstanceResponse.class,
              requestHasSensitiveInfo = false,
              responseHasSensitiveInfo = false)
  public class CreateServiceInstanceCmd extends BaseAsyncCreateCmd {
  
      /// API parameters
      @Parameter(name = ApiConstants.ZONE_ID,
                 type = CommandType.UUID,
                 entityType = ZoneResponse.class,
                 required = true,
                 description = "Availability zone for the service instance")
      private Long zoneId;
  
      //Owner information
      @Parameter(name = ApiConstants.ACCOUNT, type = CommandType.STRING, description = "An optional account for the virtual machine. Must be used with domainId.")
      private String accountName;
  
      @Parameter(name = ApiConstants.DOMAIN_ID,
                 type = CommandType.UUID,
                 entityType = DomainResponse.class,
                 description = "An optional domainId for the virtual machine. If the account parameter is used, domainId must also be used.")
      private Long domainId;
  
      @Parameter(name = ApiConstants.PROJECT_ID, type = CommandType.UUID, entityType = ProjectResponse.class, description = "Project ID for the service instance")
      private Long projectId;
  
      @Parameter(name = "leftnetworkid",
                 type = CommandType.UUID,
                 entityType = NetworkResponse.class,
                 required = true,
                 description = "The left (inside) network for service instance")
      private Long leftNetworkId;
  
      @Parameter(name = "rightnetworkid",
                 type = CommandType.UUID,
                 entityType = NetworkResponse.class,
                 required = true,
                 description = "The right (outside) network ID for the service instance")
      private Long rightNetworkId;
  
      @Parameter(name = ApiConstants.TEMPLATE_ID,
                 type = CommandType.UUID,
                 entityType = TemplateResponse.class,
                 required = true,
                 description = "The template ID that specifies the image for the service appliance")
      private Long templateId;
  
      @Parameter(name = ApiConstants.SERVICE_OFFERING_ID,
                 type = CommandType.UUID,
                 entityType = ServiceOfferingResponse.class,
                 required = true,
                 description = "The service offering ID that defines the resources consumed by the service appliance")
      private Long serviceOfferingId;
  
      @Parameter(name = ApiConstants.NAME, type = CommandType.STRING,
                 required = true, description = "The name of the service instance")
      private String name;
  
      /// Implementation
      @Inject
      ServiceManager _vrouterService;
  
      @Override
      public void create() throws ResourceAllocationException {
          // Parameter validation
          try {
              DataCenter zone = _entityMgr.findById(DataCenter.class, zoneId);
              if (zone == null) {
                  throw new InvalidParameterValueException("Unable to find zone ID " + zoneId);
              }
  
              Account owner = _accountService.getActiveAccountById(getEntityOwnerId());
  
              VirtualMachineTemplate template = _entityMgr.findById(VirtualMachineTemplate.class, templateId);
              if (template == null) {
                  throw new InvalidParameterValueException("Invalid template ID " + templateId);
              }
  
              ServiceOffering serviceOffering = _entityMgr.findById(ServiceOffering.class, serviceOfferingId);
              if (serviceOffering == null) {
                  throw new InvalidParameterValueException("Invalid service offering ID " + serviceOfferingId);
              }
  
              Network left = _networkService.getNetwork(leftNetworkId);
              if (left == null) {
                  throw new InvalidParameterValueException("Invalid ID for left network " + leftNetworkId);
              }
  
              Network right = _networkService.getNetwork(rightNetworkId);
              if (right == null) {
                  throw new InvalidParameterValueException("Invalid ID for right network " + rightNetworkId);
              }
  
              if (name.isEmpty()) {
                  throw new InvalidParameterValueException("service instance name is empty");
              }
  
              ServiceVirtualMachine svm = _vrouterService.createServiceInstance(zone, owner, template, serviceOffering, name, left, right);
              if (svm == null) {
                  throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Unable to create service instance");
              }
              setEntityId(svm.getId());
              setEntityUuid(svm.getUuid());
          } catch (Exception ex) {
              throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, ex.getMessage());
          }
      }
  
      @Override
      public String getEventType() {
          return EventTypes.EVENT_VM_CREATE;
      }
  
      @Override
      public String getEventDescription() {
          return "Create service instance";
      }
  
      @Override
      public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException, ConcurrentOperationException,
          ResourceAllocationException, NetworkRuleConflictException {
          try {
              _vrouterService.startServiceInstance(getEntityId());
              ServiceInstanceResponse response = _vrouterService.createServiceInstanceResponse(getEntityId());
              response.setObjectName("serviceinstance");
              response.setResponseName(getCommandName());
              this.setResponseObject(response);
          } catch (Exception ex) {
              throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, ex.getMessage());
          }
      }
  
      @Override
      public long getEntityOwnerId() {
          Long accountId = _accountService.finalyzeAccountId(accountName, domainId, projectId, true);
          if (accountId == null) {
              return CallContext.current().getCallingAccount().getId();
          }
  
          return accountId;
      }
  
      @Override
      public ApiCommandResourceType getApiResourceType() {
          return ApiCommandResourceType.SystemVm;
      }
  }
  