Making powervc-certificate optional

Author: irapandey

playbooks/roles/ocp-csi-driver/README.md

@@ -15,24 +15,25 @@ Requirements
 
 - Running OCP 4.x cluster is needed.
 - Cluster must not contain default StorageClass.
-- A secret with PowerVC certificate in the `default` namespace.
-  Secret name must be `powervc-certificate` and must contains `certificate` field.
-  eg. 
-
-  ```
-  apiVersion: v1
-  kind: Secret
-  metadata:
-    name: powervc-certificate
-    namespace: default
-  type: Opaque
-  stringData:
-    certificate: |
-      -----BEGIN CERTIFICATE-----
-      IBAgwIBUCCAwIBAgIUn2gAbw0LWHtozBNiLdUtELvr1pyPAzcNAQYjAwDQYJKoZIhv
-      ...
-      Un2gAIBAb -----END CERTIFICATE-----
-  ```
+- Optional : 
+  - A secret with PowerVC certificate in the `default` namespace 
+    Secret name should be `powervc-certificate` and must contains `certificate` field.
+    eg. 
+
+    ```
+    apiVersion: v1
+    kind: Secret
+    metadata:
+      name: powervc-certificate
+      namespace: default
+    type: Opaque
+    stringData:
+      certificate: |
+        -----BEGIN CERTIFICATE-----
+        IBAgwIBUCCAwIBAgIUn2gAbw0LWHtozBNiLdUtELvr1pyPAzcNAQYjAwDQYJKoZIhv
+        ...
+        Un2gAIBAb -----END CERTIFICATE-----
+    ```
 
 Role Variables
 --------------

playbooks/roles/ocp-csi-driver/tasks/main.yml

@@ -117,13 +117,15 @@
       name: powervc-certificate
       namespace: default
     register: powervc_certificate
+    ignore_errors: yes
 
-  - name: Fail if the powervc-certificate does not exists in default namespace
-    fail:
+  - name: If the powervc-certificate does not exists in default namespace
+    debug:
       msg: "PowerVC certificate secret is not present!"
     when: powervc_certificate.resources | length == 0
 
-  - fail:
+  - name: If powervc-certificate is empty
+    debug:
       msg: "PowerVC certificate is empty! Please check the certificate's secret."
     when: >
           (powervc_certificate.resources[0].data.certificate is not defined) or