[Bug 2142198] [NEW] ovn-ctl run_ovnbr_ovsdb unexpectedly detaches

[Frode Nordahl]

Public bug reported:

The purpose of the ovn-ctl run_* commands is to start the service and
never detach.  This pattern is common for modern systemd based
distributions with `Type=` set to something other than `forking` in
service units [0], as well as container entry point scripts.

However, the new `ovn-ctl run_ovnbr_ovsdb` command unexpectedly
detaches.  From cursory view, the script appears to set the wrong
variable [1].

0: https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html#Type=
1: https://github.com/ovn-org/ovn/blob/36bcfffe2ca57cd93a7ce9f427bcfe2fbfa7f9ba/utilities/ovn-ctl#L558

** Affects: ovn (Ubuntu)
     Importance: Medium
         Status: Triaged


** Tags: good-first-bug

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https://bugs.launchpad.net/bugs/2142198

Title:
  ovn-ctl run_ovnbr_ovsdb unexpectedly detaches

Status in ovn package in Ubuntu:
  Triaged

Bug description:
  The purpose of the ovn-ctl run_* commands is to start the service and
  never detach.  This pattern is common for modern systemd based
  distributions with `Type=` set to something other than `forking` in
  service units [0], as well as container entry point scripts.

  However, the new `ovn-ctl run_ovnbr_ovsdb` command unexpectedly
  detaches.  From cursory view, the script appears to set the wrong
  variable [1].

  0: https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html#Type=
  1: https://github.com/ovn-org/ovn/blob/36bcfffe2ca57cd93a7ce9f427bcfe2fbfa7f9ba/utilities/ovn-ctl#L558

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