Pin os-capacity to v0.5 release (#1365)

Pin os-capacity to v0.5 release

---------

Co-authored-by: Jake Hutchinson <jake@stackhpc.com>

Author: JohnGarbutt

etc/kayobe/ansible/deploy-os-capacity-exporter.yml

@@ -60,7 +60,7 @@
         - name: Ensure os_capacity container is running
           community.docker.docker_container:
             name: os_capacity
-            image: ghcr.io/stackhpc/os-capacity:master
+            image: ghcr.io/stackhpc/os-capacity:{{ stackhpc_os_capacity_version }}
             env:
               OS_CLOUD: openstack
               OS_CLIENT_CONFIG_FILE: /etc/openstack/clouds.yaml

etc/kayobe/stackhpc-monitoring.yml

@@ -34,6 +34,9 @@ alertmanager_packet_errors_threshold: 1
 # targets being templated during deployment.
 stackhpc_enable_os_capacity: true
 
+# OpenStack Capacity exporter version
+stackhpc_os_capacity_version: v0.5
+
 # Path to a CA certificate file to trust in the OpenStack Capacity exporter.
 stackhpc_os_capacity_openstack_cacert: ""