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.checks;
  
  import java.text.MessageFormat;
  import java.util.LinkedHashSet;
  import java.util.Set;
  import java.util.TreeSet;
  import java.util.stream.Collectors;
  
  import org.apache.ambari.annotations.UpgradeCheckInfo;
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.orm.entities.HostVersionEntity;
  import org.apache.ambari.server.state.Cluster;
  import org.apache.ambari.server.state.Host;
  import org.apache.ambari.server.state.MaintenanceState;
  import org.apache.ambari.server.state.RepositoryVersionState;
  import org.apache.ambari.server.state.StackId;
  import org.apache.ambari.spi.RepositoryVersion;
  import org.apache.ambari.spi.upgrade.UpgradeCheckDescription;
  import org.apache.ambari.spi.upgrade.UpgradeCheckGroup;
  import org.apache.ambari.spi.upgrade.UpgradeCheckRequest;
  import org.apache.ambari.spi.upgrade.UpgradeCheckResult;
  import org.apache.ambari.spi.upgrade.UpgradeCheckStatus;
  import org.apache.ambari.spi.upgrade.UpgradeCheckType;
  import org.apache.ambari.spi.upgrade.UpgradeType;
  import org.apache.commons.lang.StringUtils;
  
  import com.google.common.collect.ImmutableMap;
  import com.google.inject.Singleton;
  
  /**
   * Checks if Install Packages needs to be re-run
   */
  @Singleton
  @UpgradeCheckInfo(
      group = UpgradeCheckGroup.DEFAULT,
      order = 3.0f,
      required = { UpgradeType.ROLLING, UpgradeType.NON_ROLLING, UpgradeType.HOST_ORDERED })
  public class InstallPackagesCheck extends ClusterCheck {
  
    static final UpgradeCheckDescription INSTALL_PACKAGES_CHECK = new UpgradeCheckDescription("INSTALL_PACKAGES_CHECK",
        UpgradeCheckType.CLUSTER,
        "Install packages must be re-run",
        new ImmutableMap.Builder<String, String>()
          .put(UpgradeCheckDescription.DEFAULT,
              "Re-run Install Packages before starting upgrade").build());
  
    /**
     * Constructor.
     */
    public InstallPackagesCheck() {
      super(INSTALL_PACKAGES_CHECK);
    }
  
    @Override
    public UpgradeCheckResult perform(UpgradeCheckRequest request) throws AmbariException {
      UpgradeCheckResult result = new UpgradeCheckResult(this);
  
      final String clusterName = request.getClusterName();
      final Cluster cluster = clustersProvider.get().getCluster(clusterName);
      RepositoryVersion repositoryVersion = request.getTargetRepositoryVersion();
  
      final StackId targetStackId = new StackId(repositoryVersion.getStackId());
  
      final Set<HostDetail> failedHosts = new TreeSet<>();
  
      for (Host host : cluster.getHosts()) {
        if (host.getMaintenanceState(cluster.getClusterId()) != MaintenanceState.ON) {
          for (HostVersionEntity hve : hostVersionDaoProvider.get().findByHost(host.getHostName())) {
            if (StringUtils.equals(hve.getRepositoryVersion().getVersion(), repositoryVersion.getVersion())
                && hve.getState() == RepositoryVersionState.INSTALL_FAILED) {
  
              failedHosts.add(new HostDetail(host.getHostId(), host.getHostName()));
            }
          }
        }
      }
  
      if (!failedHosts.isEmpty()) {
        String message = MessageFormat.format("Hosts in cluster [{0},{1},{2},{3}] are in INSTALL_FAILED state because " +
                "Install Packages had failed. Please re-run Install Packages, if necessary place following hosts " +
                "in Maintenance mode: {4}", cluster.getClusterName(), targetStackId.getStackName(),
            targetStackId.getStackVersion(), repositoryVersion.getVersion(),
            StringUtils.join(failedHosts, ", "));
  
        LinkedHashSet<String> failedHostNames = failedHosts.stream().map(
            failedHost -> failedHost.hostName).collect(
                Collectors.toCollection(LinkedHashSet::new));
  
        result.setFailedOn(failedHostNames);
        result.setStatus(UpgradeCheckStatus.FAIL);
        result.setFailReason(message);
        result.getFailedDetail().addAll(failedHosts);
  
        return result;
      }
  
      result.setStatus(UpgradeCheckStatus.PASS);
      return result;
    }
  }
  