fix pvhelper script error and image default

Author: jshum2479

kubernetes/samples/scripts/domain-lifecycle/pv-pvc-helper.sh

@@ -173,7 +173,6 @@ createPod() {
   template=$(echo "$template" | sed -e "s:%NAMESPACE%:${namespace}:g;\
     s:%WEBLOGIC_IMAGE_PULL_POLICY%:${imagePullPolicy}:g;\
     s:%WEBLOGIC_IMAGE_PULL_SECRET_NAME%:${pullsecret}:g;\
-    s:%WEBLOGIC_IMAGE_PULL_SECRET_PREFIX%:${pullsecretPrefix}:g;\
     s:%CLAIM_NAME%:${claimName}:g;s:%VOLUME_MOUNT_PATH%:${mountPath}:g;\
     s:%RUN_AS_ROOT_PREFIX%:${runAsRoot}:g;\
     s?image:.*?image: ${image}?g")

kubernetes/samples/scripts/domain-lifecycle/template/pvhelper.yaml.template

@@ -13,7 +13,7 @@ spec:
   - args:
     - sleep
     - infinity
-    image: ghcr.io/oracle/oraclelinux:8-slim
+    image: ghcr.io/oracle/oraclelinux:8
     imagePullPolicy: %WEBLOGIC_IMAGE_PULL_POLICY%
     name: pvhelper
     volumeMounts:
@@ -31,5 +31,5 @@ spec:
   - name: pv-volume
     persistentVolumeClaim:
       claimName: %CLAIM_NAME%
-  %WEBLOGIC_IMAGE_PULL_SECRET_PREFIX%imagePullSecrets:
-  %WEBLOGIC_IMAGE_PULL_SECRET_PREFIX%- name: %WEBLOGIC_IMAGE_PULL_SECRET_NAME%
+  imagePullSecrets:
+  - name: %WEBLOGIC_IMAGE_PULL_SECRET_NAME%