/*
* 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.Cluster;
import org.apache.ambari.server.state.SecurityType;
import org.apache.ambari.server.state.stack.PrereqCheckStatus;
import org.apache.ambari.server.state.stack.PrerequisiteCheck;
import com.google.inject.Singleton;
/**
* Check that cluster is kerberized while trying to upgrade Kafka.
* Will show warning for kerberized cluster with Kafka service and nothing if
* cluster is not kerberized
*/
@Singleton
@UpgradeCheck(group = UpgradeCheckGroup.KERBEROS, order = 1.0f)
public class KafkaKerberosCheck extends AbstractCheckDescriptor {
private final String KAFKA_SERVICE = "KAFKA";
/**
* Constructor.
*/
public KafkaKerberosCheck() {
super(CheckDescription.KAFKA_KERBEROS_CHECK);
}
@Override
public boolean isApplicable(PrereqCheckRequest request) throws AmbariException {
return super.isApplicable(request, Arrays.asList(KAFKA_SERVICE), true);
}
@Override
public void perform(PrerequisiteCheck prerequisiteCheck, PrereqCheckRequest request) throws AmbariException {
final String clusterName = request.getClusterName();
final Cluster cluster = clustersProvider.get().getCluster(clusterName);
if (cluster.getSecurityType() == SecurityType.KERBEROS){
prerequisiteCheck.getFailedOn().add(KAFKA_SERVICE);
prerequisiteCheck.setStatus(PrereqCheckStatus.WARNING);
prerequisiteCheck.setFailReason(getFailReason(prerequisiteCheck, request));
}
}
}