[jira] [Work logged] (GOBBLIN-732) Pass UGI credentials to the app master and load dynamic config in workers

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GOBBLIN-732?focusedWorklogId=226290&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-226290 ]

ASF GitHub Bot logged work on GOBBLIN-732:
------------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Apr/19 19:20
            Start Date: 11/Apr/19 19:20
    Worklog Time Spent: 10m 
      Work Description: htran1 commented on pull request #2599: [GOBBLIN-732] Pass UGI credentials to the app master and load dynamic…
URL: https://github.com/apache/incubator-gobblin/pull/2599
 
 
   … config in workers
   
   Dear Gobblin maintainers,
   
   Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!
   
   
   ### JIRA
   - [X] My PR addresses the following [Gobblin JIRA](https://issues.apache.org/jira/browse/GOBBLIN/) issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
       - https://issues.apache.org/jira/browse/GOBBLIN-732
   
   
   ### Description
   - [X] Here are some details about my PR, including screenshots (if applicable):
   Azkaban generates hadoop tokens and secrets in the HADOOP_TOKEN_FILE_LOCATION file. If this is present the propagate the credentials to the application master and workers. Also load the dynamic configuration in the workers if configured.
   
   ### Tests
   - [X] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   Ran an Azkaban workflow to validate. The yarn integration test is not functional and the config propagation can't be tested with a unit test.
   
   ### Commits
   - [X] My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
       1. Subject is separated from body by a blank line
       2. Subject is limited to 50 characters
       3. Subject does not end with a period
       4. Subject uses the imperative mood ("add", not "adding")
       5. Body wraps at 72 characters
       6. Body explains "what" and "why", not "how"
   
   
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 226290)
            Time Spent: 10m
    Remaining Estimate: 0h

> Pass UGI credentials to the app master and load dynamic config in workers
> -------------------------------------------------------------------------
>
>                 Key: GOBBLIN-732
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-732
>             Project: Apache Gobblin
>          Issue Type: Task
>            Reporter: Hung Tran
>            Assignee: Hung Tran
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Credentials available in the Azkaban application launcher need to be passed to the Gobblin application master for distribution to the workers. The workers also need to load dynamic config based on the credentials.



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