Add logic to annotate volumesnapshotclasses if so desired (#8792)

Co-authored-by: Wolfgang Kulhanek <WolfgangKulhanek@gmail.com>

ansible/roles_ocp_workloads/ocp4_workload_kasten_k10/defaults/main.yml

@@ -46,6 +46,12 @@ ocp4_workload_kasten_k10_authentication_type: openshift
 # - Set up authorization for normal users to use K10
 ocp4_workload_kasten_k10_setup_demo: false
 
+# Annotate volumesnapshotclasses as backup targets
+# Set to empty array to not annotate any
+ocp4_workload_kasten_k10_volumesnapshotclasses:
+- ocs-external-storagecluster-rbdplugin-snapclass
+- ocs-external-storagecluster-cephfsplugin-snapclass
+
 # ObjectBucket properties
 ocp4_workload_kasten_k10_objectbucket_name: kastenbackups
 ocp4_workload_kasten_k10_objectbucket_storage_class: openshift-storage.noobaa.io

ansible/roles_ocp_workloads/ocp4_workload_kasten_k10/tasks/workload.yml

@@ -56,10 +56,9 @@
 
   # Jinja templates handle single/multi-user deployment
   - name: Set up Demo environment
-    when: ocp4_workload_kasten_k10_setup_demo
+    when: ocp4_workload_kasten_k10_setup_demo | bool
     kubernetes.core.k8s:
       state: present
-      # template: objectbucketclaim.yaml.j2
       definition: "{{ lookup('template', resource | from_yaml) }}"
     loop:
     - namespace.yaml.j2
@@ -69,6 +68,22 @@
     loop_control:
       loop_var: resource
 
+  - name: Annotate VolumeSnapshotClasses as backup targets
+    when:
+    - ocp4_workload_kasten_k10_setup_demo | bool
+    - ocp4_workload_kasten_k10_volumesnapshotclasses | default([]) | length > 0
+    kubernetes.core.k8s:
+      state: patched
+      api_version: snapshot.storage.k8s.io/v1
+      kind: VolumeSnapshotClass
+      name: "{{ volumesnapshotclass }}"
+      definition:
+        annotations:
+          k10.kasten.io/is-snapshot-class: "true"
+    loop: "{{ ocp4_workload_kasten_k10_volumesnapshotclasses }}"
+    loop_control:
+      loop_var: volumesnapshotclass
+
   - name: Save AgnosticD user information for single user
     when:
     - ocp4_workload_kasten_k10_setup_demo | bool