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/**
* 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.util.Arrays;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.PrereqCheckRequest;
import org.apache.ambari.server.state.stack.PrereqCheckStatus;
import org.apache.ambari.server.state.stack.PrerequisiteCheck;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Singleton;
/**
* Checks if Atlas service is present. Upgrade to stack HDP 2.5 can't pursuit
* with existed on the cluster Atlas service.
*/
@Singleton
@UpgradeCheck(group = UpgradeCheckGroup.DEFAULT)
public class AtlasPresenceCheck extends AbstractCheckDescriptor{
private static final Logger LOG = LoggerFactory.getLogger(AtlasPresenceCheck.class);
private static final String serviceName = "ATLAS";
public AtlasPresenceCheck(){
super(CheckDescription.ATLAS_SERVICE_PRESENCE_CHECK);
}
@Override
public boolean isApplicable(PrereqCheckRequest request) throws AmbariException {
return super.isApplicable(request, Arrays.asList(serviceName), true);
}
@Override
public void perform(PrerequisiteCheck prerequisiteCheck, PrereqCheckRequest request) throws AmbariException {
prerequisiteCheck.getFailedOn().add(serviceName);
prerequisiteCheck.setStatus(PrereqCheckStatus.FAIL);
prerequisiteCheck.setFailReason(getFailReason(prerequisiteCheck, request));
}
}