[jira] [Work logged] (BEAM-4145) Java SDK Harness populates control request headers with worker id

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

     [ https://issues.apache.org/jira/browse/BEAM-4145?focusedWorklogId=105258&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-105258 ]

ASF GitHub Bot logged work on BEAM-4145:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/May/18 18:45
            Start Date: 23/May/18 18:45
    Worklog Time Spent: 10m 
      Work Description: tgroh opened a new pull request #5456: [BEAM-4145] Populate the worker_id metadata in the Java SDK Harness
URL: https://github.com/apache/beam/pull/5456
 
 
   The ID is required for any control service with multiple clients, which is the general case.
   
   Enable `ManagedChannelFactory` implementations to register interceptors on all of the
   created channels.
   
   Add an interceptor which attaches the ID to the metadata. Use this interceptor in the 
   Sdk Harness Control Client.
   
   Populate the ID passed via the container contract in the boot go code.
   
   ------------------------
   
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 105258)
            Time Spent: 10m
    Remaining Estimate: 0h

> Java SDK Harness populates control request headers with worker id
> -----------------------------------------------------------------
>
>                 Key: BEAM-4145
>                 URL: https://issues.apache.org/jira/browse/BEAM-4145
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-harness
>            Reporter: Ben Sidhom
>            Assignee: Thomas Groh
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Runner code needs to be able to identify incoming harness connections by the worker ids that it assigns to them on creation. This is currently done by the go boot code when the harness runs in a docker container. However, in-process harnesses never specify worker ids. This prevents in-process harnesses from being multiplexed by a runner (most likely the ULR and test code).



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