adding an ocp4_aio_odflite option with lowered odf req

defaults/main.yaml

@@ -1 +1,2 @@
-ocp4_aio_nanodf: False
+ocp4_aio_nanodf: False
+ocp4_aio_odflite: False

files/storage-cluster-lite.yaml

@@ -0,0 +1,59 @@
+apiVersion: ocs.openshift.io/v1
+kind: StorageCluster
+metadata:
+  name: ocs-storagecluster
+  namespace: openshift-storage
+spec:
+  resources:
+    mon:
+      limits:
+        cpu: 1
+        memory: 2Gi
+      requests:
+        cpu: 125m
+        memory: 1Gi
+    mds:
+      limits:
+        cpu: 3
+        memory: 256Mi
+      requests:
+        cpu: 125m
+        memory: 128Mi
+    mgr:
+      limits:
+        cpu: 500m
+        memory: 1Gi
+      requests:
+        cpu: 125m
+        memory: 512Mi
+    rgw:
+      limits:
+        cpu: 500m
+        memory: 512Mi
+      requests:
+        cpu: 125m
+        memory: 256Mi
+  manageNodes: false
+  monDataDirHostPath: /var/lib/rook
+  storageDeviceSets:
+  - count: 2
+    dataPVCTemplate:
+      spec:
+        accessModes:
+        - ReadWriteOnce
+        resources:
+          requests:
+            storage: 100Gi
+        storageClassName: localblock
+        volumeMode: Block
+    name: ocs-deviceset
+    resources:
+      limits:
+        cpu: 2
+        memory: 3Gi
+      requests:
+        cpu: 2
+        memory: 1500Mi
+    placement: {}
+    portable: false
+    replica: 3

tasks/main.yml

@@ -81,7 +81,20 @@
   retries: 20
   delay: 30
   until: storage_cluster_success is not failed
-  when: not ocp4_aio_nanodf
+  when: not ocp4_aio_nanodf and not ocp4_aio_odflite
+
+- name: Apply lightweight storage-cluster configuration
+  k8s:
+    state: present
+    definition: "{{ lookup('file', 'storage-cluster-lite.yaml') }}"
+  register: storage_cluster_success
+  retries: 20
+  delay: 30
+  until: storage_cluster_success is not failed
+  when: 
+    - not ocp4_aio_nanodf 
+    - ocp4_aio_odflite
+
 
 - name: Apply Extra config for rook for ODF Nano
   k8s: