[Bug 1787639] Re: Sporadic package install failures

[David Coronel]

Hi Hans. I'd like to be able to reproduce the issue. I tried booting an
Ubuntu 18.04 instance twice in Azure but I couldn't reproduce the issue.

Do you have an idea how I could reproduce this?

This type of error usually happens when your system can't find the
package in its APT sources. Is it possible you have something in your
process modifying /etc/apt/sources.list* during the bvt process? Is it
possible you're not running apt update before the installation in the
failed iterations?

Do you have additional logs of one of the attempts that failed?

Thank you,
David

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https://bugs.launchpad.net/bugs/1787639

Title:
  Sporadic package install failures

Status in python3-stdlib-extensions package in Ubuntu:
  New

Bug description:
  We have a nightly bvt system which sets up VMs in Azure, and during
  setup installs various packages. We have hundreds of successes per
  night, but recently against 1804 we see sporadic instances of this:

  E: Package 'python3-distutils' has no installation candidate
  Reading package lists... Done
  Building dependency tree
  Reading state information... Done
  Package python3-setuptools is not available, but is referred to by another package.
  This may mean that the package is missing, has been obsoleted, or
  is only available from another source

  We started using the python3-setuptools package instead, but have also
  seen failures with that one:

  E: Package 'python3-setuptools' has no installation candidate
  Cloning into 'WALinuxAgent'...
  remote: Counting objects: 10715, done.
  remote: Compressing objects: 100% (42/42), done.
  remote: Total 10715 (delta 27), reused 17 (delta 10), pack-reused 10663
  Receiving objects: 100% (10715/10715), 9.71 MiB | 30.50 MiB/s, done.
  Resolving deltas: 100% (7759/7759), done.

  All the other packages seem to be fine.

  I am happy to provide any debugging info or try whatever workarounds
  you might suggest, but I am not sure how to proceed from here.

  Thanks!

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