Added support for replication with minimal manifest

pkg/utils/utils.go

@@ -922,6 +922,20 @@ func MinVersionCheck(minVersion string, version string) (bool, error) {
 
 func getClusterIDs(replica csmv1.Module) ([]string, error) {
 	var clusterIDs []string
+	if replica.Components == nil {
+		// if we are entering this block then it is a minimal yaml and replication is enabled and we will set default cluster as self
+		components := make([]csmv1.ContainerTemplate, 0)
+		components = append(components, csmv1.ContainerTemplate{
+			Name: ReplicationControllerManager,
+		})
+		replica.Components = components
+
+		replica.Components[0].Envs = append(replica.Components[0].Envs, corev1.EnvVar{
+			Name:  "TARGET_CLUSTERS_IDS",
+			Value: "self", // defaults to same cluster for the replication
+		})
+
+	}
 	for _, comp := range replica.Components {
 		if comp.Name == ReplicationControllerManager {
 			for _, env := range comp.Envs {

samples/minimal-samples/powermax.yaml

@@ -9,11 +9,13 @@ spec:
     configVersion: v2.12.0
     forceRemoveDriver: true
 # These are the modules which are optional and can be enabled by specifying to enable/disable.
-  modules:
-    - name: authorization
-      # enable: Enable/Disable csm-authorization
-      enabled: false
-      # For Auth 2.0, use v2.0.0 as configVersion
-      configVersion: v1.11.0
-    - name: resiliency
-      enabled: false
+#  modules:
+#    - name: authorization
+#      # enable: Enable/Disable csm-authorization
+#      enabled: false
+#      # For Auth 2.0, use v2.0.0 as configVersion
+#      configVersion: v1.11.0
+#    - name: resiliency
+#      enabled: false
+#    - name: replication
+#      enabled: false