kolla-ansible/releasenotes/notes/max-fail-percentage-00838dc468920ec1.yaml
Mark Goddard af6e1ca4fd Support Ansible max_fail_percentage
This allows us to continue execution until a certain proportion of hosts
to fail. This can be useful at scale, where failures are common, and
restarting a deployment is time-consuming.

The default max failure percentage is 100, keeping the default
behaviour. A global max failure percentage may be set via
kolla_max_fail_percentage, and individual services may define a max
failure percentage via <service>_max_fail_percentage.

Note that all hosts in the inventory must be reachable for fact
gathering, even those not included in a --limit.

Closes-Bug: #1833737
Change-Id: I808474a75c0f0e8b539dc0421374b06cea44be4f
2023-12-05 11:49:42 +01:00

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YAML

---
features:
- |
Adds support for setting the max fail percentage for Ansible plays via
``kolla_max_fail_percentage``. It can also be set on a per-service basis,
e.g. ``nova_max_fail_percentage``.