openscanhub: add persistent storage for redis

Signed-off-by: Siteshwar Vashisht <svashisht@redhat.com>

playbooks/openshift-apps/openscanhub.yml

@@ -78,6 +78,10 @@
     when: env == "staging"
 
   # Configurations for redis.
+  - role: openshift/object
+    app: openscanhub
+    template: pvc-var-lib-redis-data.yml
+    objectname: pvc-var-lib-redis-data
   - role: openshift/object
     app: openscanhub
     file: deployment-redis-6-c9s.yml

roles/openshift-apps/openscanhub/files/deployment-redis-6-c9s.yml

@@ -53,7 +53,7 @@ spec:
         terminationMessagePolicy: File
         volumeMounts:
         - mountPath: /var/lib/redis/data
-          name: redis-6-c9s-1
+          name: pvc-var-lib-redis-data
       dnsPolicy: ClusterFirst
       restartPolicy: Always
       schedulerName: default-scheduler

roles/openshift-apps/openscanhub/templates/pvc-var-lib-redis-data.yml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pvc-var-lib-redis-data
+spec:
+  # TODO: This name should be set when `storageClassName` is NFS
+  # volumeName: fedora-openscanhub-var-lib-osh-{{env_short}}
+  accessModes:
+  - ReadWriteOnce
+  resources:
+    requests:
+      # This should be manually expanded when production
+      # has gone beyond this limit.
+{% if env == "staging" %}
+      storage: 1Gi
+{% else %}
+      storage: 2Gi
+{% endif %}
+  storageClassName: 'ocs-storagecluster-cephfs'
+  volumeMode: Filesystem