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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1984) Integrate Flink with Apache Mesos
Date Wed, 17 Aug 2016 12:36:23 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15424423#comment-15424423
] 

ASF GitHub Bot commented on FLINK-1984:
---------------------------------------

Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2315#discussion_r75113264
  
    --- Diff: flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/MesosTaskManagerRunner.java
---
    @@ -0,0 +1,117 @@
    +/*
    + * 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.mesos.runtime.clusterframework;
    +
    +import java.io.IOException;
    +import java.security.PrivilegedAction;
    +import java.util.Map;
    +
    +import org.apache.flink.configuration.ConfigConstants;
    +import org.apache.flink.configuration.Configuration;
    +import org.apache.flink.mesos.cli.FlinkMesosSessionCli;
    +import org.apache.flink.runtime.clusterframework.types.ResourceID;
    +import org.apache.flink.runtime.taskmanager.TaskManager;
    +import org.apache.flink.runtime.util.EnvironmentInformation;
    +
    +import org.apache.flink.util.Preconditions;
    +import org.apache.hadoop.security.UserGroupInformation;
    +import org.apache.hadoop.security.token.Token;
    +import org.apache.hadoop.security.token.TokenIdentifier;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +/**
    + * The entry point for running a TaskManager in a Mesos container.
    + */
    +public class MesosTaskManagerRunner {
    +
    +	private static final Logger LOG = LoggerFactory.getLogger(MesosTaskManagerRunner.class);
    +
    +	/** The process environment variables */
    +	private static final Map<String, String> ENV = System.getenv();
    +
    +	public static void runTaskManager(String[] args, final Class<? extends TaskManager>
taskManager) throws IOException {
    +		EnvironmentInformation.logEnvironmentInfo(LOG, taskManager.getSimpleName(), args);
    +		org.apache.flink.runtime.util.SignalHandler.register(LOG);
    +
    +		// try to parse the command line arguments
    +		final Configuration configuration;
    +		try {
    +			configuration = TaskManager.parseArgsAndLoadConfig(args);
    +
    +			// add dynamic properties to TaskManager configuration.
    +			final Configuration dynamicProperties =
    +				FlinkMesosSessionCli.decodeDynamicProperties(ENV.get(MesosConfigKeys.ENV_DYNAMIC_PROPERTIES));
    +			LOG.debug("Mesos dynamic properties: {}", dynamicProperties);
    +			configuration.addAll(dynamicProperties);
    +		}
    +		catch (Throwable t) {
    +			LOG.error(t.getMessage(), t);
    +			System.exit(TaskManager.STARTUP_FAILURE_RETURN_CODE());
    +			return;
    +		}
    +
    +		// read the environment variables
    +		final Map<String, String> envs = System.getenv();
    +		final String effectiveUsername = envs.get(MesosConfigKeys.ENV_CLIENT_USERNAME);
    +		final String tmpDirs = envs.get(MesosConfigKeys.ENV_FLINK_TMP_DIR);
    +
    +		// configure local directory
    +		String flinkTempDirs = configuration.getString(ConfigConstants.TASK_MANAGER_TMP_DIR_KEY,
null);
    +		if (flinkTempDirs != null) {
    +			LOG.info("Overriding Mesos temporary file directories with those " +
    +				"specified in the Flink config: " + flinkTempDirs);
    --- End diff --
    
    `{}`


> Integrate Flink with Apache Mesos
> ---------------------------------
>
>                 Key: FLINK-1984
>                 URL: https://issues.apache.org/jira/browse/FLINK-1984
>             Project: Flink
>          Issue Type: New Feature
>          Components: Cluster Management
>            Reporter: Robert Metzger
>            Assignee: Eron Wright 
>            Priority: Minor
>         Attachments: 251.patch
>
>
> There are some users asking for an integration of Flink into Mesos.
> -There also is a pending pull request for adding Mesos support for Flink-: https://github.com/apache/flink/pull/251
> Update (May '16):  a new effort is now underway, building on the recent ResourceManager
work.
> Design document:  ([google doc|https://docs.google.com/document/d/1WItafBmGbjlaBbP8Of5PAFOH9GUJQxf5S4hjEuPchuU/edit?usp=sharing])



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