Ceilometer auto scaling is not kicking in

Solution Verified - Updated -

Issue

  • When trying to create an auto scaling heat-stack app but the ceilometer alarm is not triggering.
  • Ceilometer alarm says insufficient data, and/or alarm does not trigger.

    [root@director ~]# ceilometer alarm-list
    +--------------------------------------+-------------------------------------+-------------------+----------+---------+------------+--------------------------------+------------------+
    | Alarm ID                             | Name                                | State             | Severity | Enabled | Continuous | Alarm condition                | Time constraints |
    +--------------------------------------+-------------------------------------+-------------------+----------+---------+------------+--------------------------------+------------------+
    | 3693c3ad-5a75-4722-930b-1d32ac96f106 | example-cpu_alarm_high-pp6z2fnjtls7 | insufficient data | low      | True    | True       | cpu_util > 50.0 during 1 x 60s | None             |
    | 5042aef1-a00e-4584-b453-146f91d8f573 | example-cpu_alarm_low-rlsunseo6r5w  | insufficient data | low      | True    | True       | cpu_util < 10.0 during 1 x 60s | None             |
    +--------------------------------------+-------------------------------------+-------------------+----------+---------+------------+--------
    

Environment

  • Red Hat OpenStack Platform 7.0
  • Red Hat OpenStack Platform 8.0
  • Red Hat OpenStack Platform 9.0

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