[Bug 1603373] [NEW] Retry failures due to broken dependencies automatically

[Michi Henning]

Public bug reported:

I had an autopkg test failure for thumbnailer. Excerpt from the log:

Setting up indicator-datetime (15.10+15.04.20160629-0ubuntu1) ...
Setting up libubuntu-application-api3:i386 (3.0.1+15.04.20160613-0ubuntu1) ...
Setting up repowerd (2016.06+15.04.20160706.1-0ubuntu1) ...
Failed to start repowerd.service: Unit lxc-android-config.service failed to load: No such file or directory.
invoke-rc.d: initscript repowerd, action "start" failed.
dpkg: error processing package repowerd (--configure):
 subprocess installed post-installation script returned error exit status 6
dpkg: dependency problems prevent configuration of powerd:
 powerd depends on repowerd (>= 2016.06+15.04.20160706.1-0ubuntu1); however:
  Package repowerd is not configured yet.
[ Lots more errors here... ]

This has nothing to do with thumbnailer itself.

I can bug a core dev every day to restart the test until things finally
work again. But the problem is that I have to get on someone's nerves,
and I have to remember to do it.

If we could distinguish autopkg test failures due to broken dependencies
from failures due to the test itself falling over, we could potentially
automate the restarts. Say do a retry once every 24 hours or so. I think
it would streamline the process a bit, make it more reliable, and avoid
people having to remember to look after this and then forgetting.

** Affects: autopkgtest (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1603373

Title:
  Retry failures due to broken dependencies automatically

Status in autopkgtest package in Ubuntu:
  New

Bug description:
  I had an autopkg test failure for thumbnailer. Excerpt from the log:

  Setting up indicator-datetime (15.10+15.04.20160629-0ubuntu1) ...
  Setting up libubuntu-application-api3:i386 (3.0.1+15.04.20160613-0ubuntu1) ...
  Setting up repowerd (2016.06+15.04.20160706.1-0ubuntu1) ...
  Failed to start repowerd.service: Unit lxc-android-config.service failed to load: No such file or directory.
  invoke-rc.d: initscript repowerd, action "start" failed.
  dpkg: error processing package repowerd (--configure):
   subprocess installed post-installation script returned error exit status 6
  dpkg: dependency problems prevent configuration of powerd:
   powerd depends on repowerd (>= 2016.06+15.04.20160706.1-0ubuntu1); however:
    Package repowerd is not configured yet.
  [ Lots more errors here... ]

  This has nothing to do with thumbnailer itself.

  I can bug a core dev every day to restart the test until things
  finally work again. But the problem is that I have to get on someone's
  nerves, and I have to remember to do it.

  If we could distinguish autopkg test failures due to broken
  dependencies from failures due to the test itself falling over, we
  could potentially automate the restarts. Say do a retry once every 24
  hours or so. I think it would streamline the process a bit, make it
  more reliable, and avoid people having to remember to look after this
  and then forgetting.

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