[Bug 1765057] Re: rax-nova-agent does not drain the event queue, before starting

[Launchpad Bug Tracker]

This bug was fixed in the package rax-nova-agent - 2.1.13-0ubuntu3

---------------
rax-nova-agent (2.1.13-0ubuntu3) bionic; urgency=medium

  * Drain the events queue, until there are no more events, for at least 3
    iterations, before sending started notification. LP: #1765057

 -- Dimitri John Ledkov <xnox at ubuntu.com>  Wed, 18 Apr 2018 14:59:45
+0100

** Changed in: rax-nova-agent (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1765057

Title:
  rax-nova-agent does not drain the event queue, before starting

Status in rax-nova-agent package in Ubuntu:
  Fix Released

Bug description:
  A single iteration of event processing is not sufficient to drain all
  of the events on firstboot provisioning in Xen based clouds.

  Specifically, instead of receiving a list of 7 events, one might only
  receive 1 event at a time, spaced 1 or 2 seconds apart, until all
  initial events are processed.

  To work around the fact that supervisor is not batching all events
  together, do the following:

  * process events until there are none
  * ensure that there were at least three iterations without any events
  * then notify that daemon as ready, as no more early boot events are expected
  * continue polling any interactive triggered events going forward

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