[Bug 1930361] Re: hostmonitor hangs after notifications send failed

[Radosław Piliszek]

Hey Canonical OpenStack team, assigning this bug to you as well to let
you know there will be a relatively important patch to be applied. I
will be making some relevant releases soon.

** Also affects: masakari-monitors (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: masakari-monitors (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1930361

Title:
  hostmonitor hangs after notifications send failed

Status in masakari-monitors:
  Fix Released
Status in masakari-monitors ussuri series:
  In Progress
Status in masakari-monitors victoria series:
  In Progress
Status in masakari-monitors wallaby series:
  In Progress
Status in masakari-monitors xena series:
  Fix Released
Status in masakari-monitors package in Ubuntu:
  Confirmed

Bug description:
  In an env, we found one hostmonitor didn't log anymore after send host
  failure notification failed.

  I noticed that in the monitor_hosts it will exit if once it catch some
  exception. So there is risk, that if one host down later, no recovery
  will be triggered.

  See comment #5 for a detailed analysis.

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