docker snap commands fail to run from a tempdir

Bug #1618197 reported by Sylvain Pineau
This bug affects 1 person
Affects Status Importance Assigned to Milestone
PlainBox (Toolkit)
Fix Released
Sylvain Pineau

Bug Description

While developing the docker snap tests, all docker commands failed if I ran them from checkbox jobs but succeeded from the command line.

After some debugging, the problem comes from the plainbox controller (UserJobExecutionController) where all commands are started from a specific cwd set as a temp dir.

It seems that docker commands (at least the one from the snap) don't really like this method:

--------------[ Running job 4 / 8. Estimated time left: unknown ]---------------
---------------[ Download and run trivial hello-world container ]---------------
... 8< -------------------------------------------------------------------------
unable to change to original directory. errmsg: No such file or directory
------------------------------------------------------------------------- >8 ---

Since the execution problem comes from plainbox, I'd first fix our controller before submitting a bug for docker.

My proposal for a fix would be a new flag that would prevent running job command from a tempdir cwd (I tested this approach successfully)

Tags: snappy

Related branches

description: updated
Changed in plainbox:
assignee: nobody → Sylvain Pineau (sylvain-pineau)
status: New → In Progress
Changed in plainbox:
status: In Progress → Fix Committed
Pierre Equoy (pieq)
Changed in plainbox:
status: Fix Committed → Fix Released
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