/*
* 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 org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.PrereqCheckRequest;
import org.apache.ambari.server.orm.entities.UpgradeEntity;
import org.apache.ambari.server.state.Cluster;
import org.apache.ambari.server.state.stack.PrereqCheckStatus;
import org.apache.ambari.server.state.stack.PrerequisiteCheck;
import org.apache.ambari.server.state.stack.upgrade.Direction;
import org.apache.ambari.server.state.stack.upgrade.UpgradeType;
import com.google.inject.Singleton;
/**
* The {@link PreviousUpgradeCompleted} class is used to determine if there is a
* prior upgrade or downgrade which has not completed. If the most recent
* upgrade/downgrade is in a non-completed state, then this check will fail.
*/
@Singleton
@UpgradeCheck(
group = UpgradeCheckGroup.DEFAULT,
order = 4.0f,
required = { UpgradeType.ROLLING, UpgradeType.NON_ROLLING, UpgradeType.HOST_ORDERED })
public class PreviousUpgradeCompleted extends AbstractCheckDescriptor {
/**
* The message displayed as part of this pre-upgrade check.
*/
public static final String ERROR_MESSAGE = "There is an existing {0} from {1} to {2} which has not completed. This {3} must be completed before a new upgrade or downgrade can begin.";
/**
* Constructor.
*/
public PreviousUpgradeCompleted() {
super(CheckDescription.PREVIOUS_UPGRADE_COMPLETED);
}
@Override
public void perform(PrerequisiteCheck prerequisiteCheck, PrereqCheckRequest request) throws AmbariException {
final String clusterName = request.getClusterName();
final Cluster cluster = clustersProvider.get().getCluster(clusterName);
String errorMessage = null;
UpgradeEntity upgradeInProgress = cluster.getUpgradeInProgress();
if (null != upgradeInProgress) {
Direction direction = upgradeInProgress.getDirection();
String directionText = direction.getText(false);
errorMessage = MessageFormat.format(ERROR_MESSAGE, directionText,
upgradeInProgress.getFromVersion(), upgradeInProgress.getToVersion(), directionText);
}
if (null != errorMessage) {
LinkedHashSet<String> failedOn = new LinkedHashSet<>();
failedOn.add(cluster.getClusterName());
prerequisiteCheck.setFailedOn(failedOn);
prerequisiteCheck.setStatus(PrereqCheckStatus.FAIL);
prerequisiteCheck.setFailReason(errorMessage);
}
}
}