[Bug 1817376] Re: krb5-admin-server postinst has broken debconf if RUN_KADMIND set in /etc/default/krb5-admin-server

[Sam Hartman]

** Changed in: krb5 (Ubuntu)
       Status: New => Confirmed

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Title:
  krb5-admin-server postinst has broken debconf if RUN_KADMIND set in
  /etc/default/krb5-admin-server

Status in krb5 package in Ubuntu:
  Confirmed

Bug description:
  Package installation fails on postinst due to broken debconf when
  /etc/default/krb5-admin-server sets RUN_KADMIND to a value.

  This happens because the .config script [0] sets debconf question krb5
  -admin-server/kadmind to the defaults file value when set to a value.
  But the .templates file [1] has no entry for this question resulting
  in a lookup failure.

  [0] https://git.launchpad.net/ubuntu/+source/krb5/tree/debian/krb5-admin-server.config#n16
  [1] https://git.launchpad.net/ubuntu/+source/krb5/tree/debian/krb5-admin-server.templates

  This bug seems to go back to at least Xenial (and also affects debian
  packaging too). We worked around this locally by removing RUN_KADMIND
  from our local defaults file, but this was an annoying bug to sort out
  and should probably be fixed. That said I'm not sure if it would be
  more appropraite to remove the db_set from [0] or add the question
  back to [1].

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