networkfence: make secret as immutable

mark secret as immutable once created
which means we are not able to add/delete
or update the secret once created.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

Author: Madhu-1

apis/csiaddons/v1alpha1/networkfence_types.go

@@ -57,6 +57,7 @@ type SecretSpec struct {
 
 // NetworkFenceSpec defines the desired state of NetworkFence
 // +kubebuilder:validation:XValidation:rule="has(self.parameters) == has(oldSelf.parameters)",message="parameters are immutable"
+// +kubebuilder:validation:XValidation:rule="has(self.secret) == has(oldSelf.secret)",message="secret is immutable"
 type NetworkFenceSpec struct {
 	// Driver contains  the name of CSI driver.
 	// +kubebuilder:validation:Required

config/crd/bases/csiaddons.openshift.io_networkfences.yaml

@@ -108,6 +108,8 @@ spec:
             x-kubernetes-validations:
             - message: parameters are immutable
               rule: has(self.parameters) == has(oldSelf.parameters)
+            - message: secret is immutable
+              rule: has(self.secret) == has(oldSelf.secret)
           status:
             description: NetworkFenceStatus defines the observed state of NetworkFence
             properties:

deploy/controller/crds.yaml

@@ -216,6 +216,8 @@ spec:
             x-kubernetes-validations:
             - message: parameters are immutable
               rule: has(self.parameters) == has(oldSelf.parameters)
+            - message: secret is immutable
+              rule: has(self.secret) == has(oldSelf.secret)
           status:
             description: NetworkFenceStatus defines the observed state of NetworkFence
             properties: