charm-nova-cloud-controller/actions.yaml
Alex Kavanagh b201a48810 Correct actions.yaml for clear-unit-knownhost-cache action
Closes-Bug: #1837928
Change-Id: If05ebfc348e3f6d3ba10611055e331246e042eb4
2019-07-25 18:17:54 +01:00

52 lines
2.0 KiB
YAML

openstack-upgrade:
description: |
Perform openstack upgrades. Config option action-managed-upgrade must be
set to True.
pause:
description: |
Pause the nova-cloud-controller unit. This action will stop related
services.
resume:
description: |
Resume the nova-cloud-controller unit. This action will start related
services.
archive-data:
description: Run job to archive deleted rows in database
params:
batch-size:
type: integer
default: 10000
description: Archive old data to shadow tables
security-checklist:
description: |
Validate the running configuration against the OpenStack security guides
checklist
clear-unit-knownhost-cache:
params:
target:
type: string
default: ""
description: |
Clear the knownhost cache for (default) all the units, a service, or a
single unit.
.
The default is all units. If the 'target' param has an '/' in it, then it
is assumed ot be a single unit. If no '/' is present, then all the units
in a service will be refreshed.
.
e.g. target="nova-compute/4" will just clear the nova-compute/4 unit (in
the 'nova-compute' application), whereas target='nova-compute' will refresh
all of the units in the 'nova-compute' application.
.
The action triggers a refresh resolution of the known hosts for the unit,
which then populates the cache, updates the knownhosts file for the
associated service (e.g. 'nova-compute'), and, importantly, sets the
relation data for that associated service with the new knownhosts file.
This may cause a 'cloud-compute' relation changed hook on the associated
nova-compute units if the hosts have changed.
.
This action still functions even if the 'cache-known-hosts' config value is
not set; caching of hosts occurs regardless of that setting, and so this
action can be used to force an update if DNS has changed in the system, or
for a particular host (although this scenario is unlikely).