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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-8778) Add Command Line interface to invoke interactive docker shell
Date Mon, 15 Oct 2018 22:58:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650922#comment-16650922
] 

Eric Yang edited comment on YARN-8778 at 10/15/18 10:57 PM:
------------------------------------------------------------

Patch 001 implements:
# Use jline for cli terminal emulation.
# Moved SPNEGO token generator to YarnClientUtils.
# Implemented client side web socket handling to jline virtual terminal.
# Implemented usage screen for container -shell option.

{code}
yarn container -shell <container-id>
{code}

I am using Jline 3 to emulate terminal IO streams.  Jline 3 is converted to BSD license, hence
it becomes possible to be included in Hadoop.


was (Author: eyang):
Patch 001 implements:

{code}
yarn container -shell <container-id>
{code}

I am using Jline 3 to emulate terminal IO streams.  Jline 3 is converted to BSD license, hence
it becomes possible to be included in Hadoop.

> Add Command Line interface to invoke interactive docker shell
> -------------------------------------------------------------
>
>                 Key: YARN-8778
>                 URL: https://issues.apache.org/jira/browse/YARN-8778
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zian Chen
>            Assignee: Eric Yang
>            Priority: Major
>              Labels: Docker
>         Attachments: YARN-8778.001.patch
>
>
> CLI will be the mandatory interface we are providing for a user to use interactive docker
shell feature. We will need to create a new class “InteractiveDockerShellCLI” to read
command line into the servlet and pass all the way down to docker executor.



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