puppet-tripleo/releasenotes/notes/change-default-cinder-rbd-backend-host-2b37388637756c80.yaml
Alan Bishop 9379202860 Remove default value for cinder RBD backend_host
Remove "hostgroup" as the fallback string for the default
tripleo::profile::base::cinder::volume::rbd::cinder_rbd_backend_host value.
The cinder_rbd_backend_host parameter is only relevant for HA deployments,
when it's value is set by the pacemaker version of the cinder-volume.yaml
TripleO heat template. For non-HA deployments, the parameter should be
undefined.

Closes-Bug: #1796359
Change-Id: I35e5b11bb57a7dd8a724102480b3e9ec56df0626
2018-10-21 14:53:39 -04:00

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YAML

---
upgrade:
- |
The tripleo::profile::base::cinder::volume::rbd::cinder_rbd_backend_host
default value has changed, and no longer defaults to "hostgroup" when
other hiera variables (cinder::backend_host and cinder::host) are
undefined. This ensures cinder's RBD backend_host is only set for
pacemaker (HA) deployments, when tripleo-heat-templates sets
cinder::backend_host to "hostgroup".
When upgrading an existing non-HA deployment, the old "hostgroup" default
value can be preserved by assigning the hiera variable
tripleo::profile::base::cinder::volume::rbd::cinder_rbd_backend_host.
New non-HA deployments should leave this variable unset.