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.ambari.server.upgrade;
  
  import java.sql.SQLException;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.api.services.AmbariMetaInfo;
  import org.apache.ambari.server.controller.AmbariManagementController;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.ConfigHelper;
  import org.apache.ambari.server.state.PropertyInfo;
  import org.apache.ambari.server.state.Service;
  import org.apache.ambari.server.state.StackId;
  import org.apache.ambari.server.state.StackInfo;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.inject.Inject;
  import com.google.inject.Injector;
  
  /**
   * Final upgrade catalog which simply updates database version (in case if no db changes between releases)
   */
  public class FinalUpgradeCatalog extends AbstractFinalUpgradeCatalog {
  
    /**
     * Logger.
     */
    private static final Logger LOG = LoggerFactory.getLogger(FinalUpgradeCatalog.class);
  
    @Inject
    public FinalUpgradeCatalog(Injector injector) {
      super(injector);
    }
  
    @Override
    protected void executeDMLUpdates() throws AmbariException, SQLException {
      updateClusterEnv();
    }
  
    /**
     * Updates {@code cluster-env} in the following ways:
     * <ul>
     * <li>Adds/Updates {@link ConfigHelper#CLUSTER_ENV_STACK_FEATURES_PROPERTY} from stack</li>
     * <li>Adds/Updates {@link ConfigHelper#CLUSTER_ENV_STACK_TOOLS_PROPERTY} from stack</li>
     * <li>Adds/Updates {@link ConfigHelper#CLUSTER_ENV_STACK_PACKAGES_PROPERTY} from stack</li>
     * </ul>
     *
     * Note: Config properties stack_features and stack_tools should always be updated to latest values as defined
     * in the stack on an Ambari upgrade.
     */
    protected void updateClusterEnv() throws AmbariException {
  
      AmbariManagementController ambariManagementController = injector.getInstance(
          AmbariManagementController.class);
      AmbariMetaInfo ambariMetaInfo = injector.getInstance(AmbariMetaInfo.class);
  
      LOG.info("Updating stack_features and stack_tools config properties.");
      Clusters clusters = ambariManagementController.getClusters();
      Map<String, Cluster> clusterMap = getCheckedClusterMap(clusters);
      for (final Cluster cluster : clusterMap.values()) {
  
        Set<StackId> stackIds = new HashSet<>();
        for (Service service : cluster.getServices().values()) {
          stackIds.add(service.getDesiredStackId());
        }
  
        for (StackId stackId : stackIds) {
          Map<String, String> propertyMap = new HashMap<>();
          StackInfo stackInfo = ambariMetaInfo.getStack(stackId.getStackName(), stackId.getStackVersion());
          List<PropertyInfo> properties = stackInfo.getProperties();
          for(PropertyInfo property : properties) {
            if(property.getName().equals(ConfigHelper.CLUSTER_ENV_STACK_FEATURES_PROPERTY) ||
                property.getName().equals(ConfigHelper.CLUSTER_ENV_STACK_TOOLS_PROPERTY) ||
                property.getName().equals(ConfigHelper.CLUSTER_ENV_STACK_PACKAGES_PROPERTY)) {
              propertyMap.put(property.getName(), property.getValue());
            }
          }
          updateConfigurationPropertiesForCluster(cluster, ConfigHelper.CLUSTER_ENV, propertyMap, true, true);
        }
      }
    }
  
  }
  