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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-1295][FLINK-883] Allow to deploy 'job o...
Date Mon, 19 Jan 2015 17:05:42 GMT
Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/292#discussion_r23172849
  
    --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/FlinkYarnClient.java ---
    @@ -0,0 +1,653 @@
    +/*
    + * 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.flink.yarn;
    +
    +import java.io.ByteArrayOutputStream;
    +import java.io.File;
    +import java.io.IOException;
    +import java.io.PrintStream;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +import java.util.Collections;
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +
    +import org.apache.flink.client.FlinkYarnSessionCli;
    +import org.apache.flink.runtime.yarn.AbstractFlinkYarnClient;
    +import org.apache.flink.runtime.yarn.AbstractFlinkYarnCluster;
    +import org.apache.hadoop.yarn.api.records.ApplicationReport;
    +import org.apache.hadoop.yarn.api.records.YarnApplicationState;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +import org.apache.flink.configuration.ConfigConstants;
    +import org.apache.flink.configuration.GlobalConfiguration;
    +import org.apache.hadoop.conf.Configuration;
    +import org.apache.hadoop.fs.FileSystem;
    +import org.apache.hadoop.fs.Path;
    +import org.apache.hadoop.fs.permission.FsAction;
    +import org.apache.hadoop.fs.permission.FsPermission;
    +import org.apache.hadoop.security.UserGroupInformation;
    +import org.apache.hadoop.yarn.api.ApplicationConstants;
    +import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
    +import org.apache.hadoop.yarn.api.records.ApplicationId;
    +import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
    +import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
    +import org.apache.hadoop.yarn.api.records.LocalResource;
    +import org.apache.hadoop.yarn.api.records.NodeReport;
    +import org.apache.hadoop.yarn.api.records.NodeState;
    +import org.apache.hadoop.yarn.api.records.QueueInfo;
    +import org.apache.hadoop.yarn.api.records.Resource;
    +import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
    +import org.apache.hadoop.yarn.client.api.YarnClient;
    +import org.apache.hadoop.yarn.client.api.YarnClientApplication;
    +import org.apache.hadoop.yarn.exceptions.YarnException;
    +import org.apache.hadoop.yarn.util.Records;
    +
    +/**
    + * All classes in this package contain code taken from
    + * https://github.com/apache/hadoop-common/blob/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/Client.java?source=cc
    + * and
    + * https://github.com/hortonworks/simple-yarn-app
    + * and
    + * https://github.com/yahoo/storm-yarn/blob/master/src/main/java/com/yahoo/storm/yarn/StormOnYarn.java
    + *
    + * The Flink jar is uploaded to HDFS by this client.
    + * The application master and all the TaskManager containers get the jar file downloaded
    + * by YARN into their local fs.
    + *
    + */
    +public class FlinkYarnClient extends AbstractFlinkYarnClient {
    +	private static final Logger LOG = LoggerFactory.getLogger(FlinkYarnClient.class);
    +
    +	/**
    +	 * Constants,
    +	 * all starting with ENV_ are used as environment variables to pass values from the
Client
    +	 * to the Application Master.
    +	 */
    +	public final static String ENV_TM_MEMORY = "_CLIENT_TM_MEMORY";
    +	public final static String ENV_TM_COUNT = "_CLIENT_TM_COUNT";
    +	public final static String ENV_APP_ID = "_APP_ID";
    +	public final static String FLINK_JAR_PATH = "_FLINK_JAR_PATH"; // the Flink jar resource
location (in HDFS).
    +	public static final String ENV_CLIENT_HOME_DIR = "_CLIENT_HOME_DIR";
    +	public static final String ENV_CLIENT_SHIP_FILES = "_CLIENT_SHIP_FILES";
    +	public static final String ENV_CLIENT_USERNAME = "_CLIENT_USERNAME";
    +	public static final String ENV_SLOTS = "_SLOTS";
    +	public static final String ENV_DYNAMIC_PROPERTIES = "_DYNAMIC_PROPERTIES";
    +
    +	private static final String DEFAULT_QUEUE_NAME = "default";
    +
    +
    +	/**
    +	 * Minimum memory requirements, checked by the Client.
    +	 */
    +	private static final int MIN_JM_MEMORY = 128;
    +	private static final int MIN_TM_MEMORY = 128;
    +
    +	private Configuration conf;
    +	private YarnClient yarnClient;
    +	private YarnClientApplication yarnApplication;
    +
    +
    +	/**
    +	 * Files (usually in a distributed file system) used for the YARN session of Flink.
    +	 * Contains configuration files and jar files.
    +	 */
    +	private Path sessionFilesDir;
    +
    +	/**
    +	 * If the user has specified a different number of slots, we store them here
    +	 */
    +	private int slots = -1;
    +
    +	private int jobManagerMemoryMb = 512;
    +
    +	private int taskManagerMemoryMb = 512;
    +
    +	private int taskManagerCount = 1;
    +
    +	private String yarnQueue = DEFAULT_QUEUE_NAME;
    +
    +	private String configurationDirectory;
    +
    +	private Path flinkConfigurationPath;
    +
    +	private Path flinkLoggingConfigurationPath; // optional
    +
    +	private Path flinkJarPath;
    +
    +	private String dynamicPropertiesEncoded;
    +
    +	private List<File> shipFiles = new ArrayList<File>();
    +
    +
    +	public FlinkYarnClient() {
    +		// Check if security is enabled
    +		if(UserGroupInformation.isSecurityEnabled()) {
    +			throw new RuntimeException("Flink YARN client does not have security support right
now."
    +					+ "File a bug, we will fix it asap");
    --- End diff --
    
    You think so? ;-)


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