[jira] [Commented] (MESOS-7899) Expose sandboxes using virtual paths and hide the agent work directory.

["Tom Quarendon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-7899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867536#comment-16867536 ] 

Tom Quarendon commented on MESOS-7899:
--------------------------------------

I'm reasonably new to mesos, so forgive me if this is a dumb question.

I only seem to have "runs/latest". I don't have "runs/containerId", so I don't appear to be able to unambiguously get the sandbox for a task? Nothing in the URL is associated with the task, only the executor, and there can be multiple tasks per executor can't there?

From the task update I have the container ID, so I had naively tried to construct "runs/containerId" but it doens't work. Indeed the "debug" output shows that's not mapped, yet the full path is (/var/lib/mesos/agent/slaves/..../runs/containerId)

The user interface manages to work out what the work directory for the agent is itself and constructs the sandbox path that way, containing the explicit container ID. 

As I say, maybe I'm misunderstanding something, but since there can be multiple tasks per executor (as I understand it), surely I need to include something derived from the task ID in the URL?

> Expose sandboxes using virtual paths and hide the agent work directory.
> -----------------------------------------------------------------------
>
>                 Key: MESOS-7899
>                 URL: https://issues.apache.org/jira/browse/MESOS-7899
>             Project: Mesos
>          Issue Type: Task
>            Reporter: Zhitao Li
>            Assignee: Zhitao Li
>            Priority: Major
>             Fix For: 1.5.0
>
>
> {{Files}} interface already supports a virtual file system. We should figure out a way to enable this in {{ /files/download}} endpoint to hide agent sandbox.



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