org.apache.oozie.action.hadoop.YarnACLHandler.java Source code

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Here is the source code for org.apache.oozie.action.hadoop.YarnACLHandler.java

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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.oozie.action.hadoop;

import java.util.HashMap;
import java.util.Map;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
import org.apache.oozie.util.XLog;

class YarnACLHandler {
    private XLog LOG = XLog.getLog(getClass());
    private final Configuration launcherConf;

    public YarnACLHandler(Configuration launcherConf) {
        this.launcherConf = launcherConf;
    }

    public void setACLs(ContainerLaunchContext containerLaunchContext) {
        Map<ApplicationAccessType, String> aclDefinition = new HashMap<>();

        String viewAcl = launcherConf.get(JavaActionExecutor.LAUNCER_VIEW_ACL);
        if (viewAcl != null) {
            LOG.info("Setting view-acl: [{0}]", viewAcl);
            aclDefinition.put(ApplicationAccessType.VIEW_APP, viewAcl);
        }

        String modifyAcl = launcherConf.get(JavaActionExecutor.LAUNCER_MODIFY_ACL);
        if (modifyAcl != null) {
            LOG.info("Setting modify-acl: [{0}]", modifyAcl);
            aclDefinition.put(ApplicationAccessType.MODIFY_APP, modifyAcl);
        }

        if (!aclDefinition.isEmpty()) {
            containerLaunchContext.setApplicationACLs(aclDefinition);
        }
    }
}