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.snapshot;
  
  import org.apache.cloudstack.acl.SecurityChecker.AccessType;
  import org.apache.cloudstack.api.ACL;
  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.BaseAsyncCmd;
  import org.apache.cloudstack.api.BaseCmd;
  import org.apache.cloudstack.api.Parameter;
  import org.apache.cloudstack.api.ServerApiException;
  import org.apache.cloudstack.api.response.SnapshotResponse;
  import org.apache.cloudstack.context.CallContext;
  
  import com.cloud.event.EventTypes;
  import com.cloud.storage.Snapshot;
  import com.cloud.user.Account;
  
  @APICommand(name = "revertSnapshot", description = "This is supposed to revert a volume snapshot. This command is only supported with KVM so far", responseObject = SnapshotResponse.class, entityType = {Snapshot.class},
          requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
  public class RevertSnapshotCmd extends BaseAsyncCmd {
  
      /////////////////////////////////////////////////////
      //////////////// API parameters /////////////////////
      /////////////////////////////////////////////////////
      @ACL(accessType = AccessType.OperateEntry)
      @Parameter(name= ApiConstants.ID, type= BaseCmd.CommandType.UUID, entityType = SnapshotResponse.class,
              required=true, description="The ID of the snapshot")
      private Long id;
  
      /////////////////////////////////////////////////////
      /////////////////// Accessors ///////////////////////
      /////////////////////////////////////////////////////
      public Long getId() {
          return id;
      }
  
      /////////////////////////////////////////////////////
      /////////////// API Implementation///////////////////
      /////////////////////////////////////////////////////
      @Override
      public long getEntityOwnerId() {
          Snapshot snapshot = _entityMgr.findById(Snapshot.class, getId());
          if (snapshot != null) {
              return snapshot.getAccountId();
          }
  
          return Account.ACCOUNT_ID_SYSTEM; // no account info given, parent this command to SYSTEM so ERROR events are tracked
      }
  
      @Override
      public String getEventType() {
          return EventTypes.EVENT_SNAPSHOT_REVERT;
      }
  
      @Override
      public String getEventDescription() {
          return  "revert snapshot: " + this._uuidMgr.getUuid(Snapshot.class, getId());
      }
  
      @Override
      public ApiCommandResourceType getApiResourceType() {
          return ApiCommandResourceType.Snapshot;
      }
  
      @Override
      public Long getApiResourceId() {
          return getId();
      }
  
      @Override
      public void execute() {
          CallContext.current().setEventDetails("Snapshot Id: " + this._uuidMgr.getUuid(Snapshot.class, getId()));
          Snapshot snapshot = _snapshotService.revertSnapshot(getId());
          if (snapshot != null) {
              SnapshotResponse response = _responseGenerator.createSnapshotResponse(snapshot);
              response.setResponseName(getCommandName());
              setResponseObject(response);
          } else {
              throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to revert snapshot");
          }
      }
  }
  