fix: do not allow spec update on mtpnc

crd/multitenancy/api/v1alpha1/multitenantpodnetworkconfig.go

@@ -37,6 +37,7 @@ type MultitenantPodNetworkConfigList struct {
 }
 
 // MultitenantPodNetworkConfigSpec defines the desired state of PodNetworkConfig
+// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="spec is immutable after creation"
 type MultitenantPodNetworkConfigSpec struct {
 	// name of PNI object from requesting cx pod
 	// +kubebuilder:validation:Optional

crd/multitenancy/api/v1alpha1/podnetwork.go

@@ -46,6 +46,7 @@ const (
 )
 
 // PodNetworkSpec defines the desired state of PodNetwork
+// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="spec is immutable after creation"
 type PodNetworkSpec struct {
 	// NetworkID is the identifier for the network, e.g. vnet guid or IB network ID
 	// +kubebuilder:validation:Optional

crd/multitenancy/api/v1alpha1/podnetworkinstance.go

@@ -45,6 +45,7 @@ type PodNetworkConfig struct {
 }
 
 // PodNetworkInstanceSpec defines the desired state of PodNetworkInstance
+// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="spec is immutable after creation"
 type PodNetworkInstanceSpec struct {
 	// Deprecated - use PodNetworks
 	// +kubebuilder:validation:Optional

crd/multitenancy/manifests/multitenancy.acn.azure.com_multitenantpodnetworkconfigs.yaml

@@ -68,6 +68,9 @@ spec:
             required:
             - podNetwork
             type: object
+            x-kubernetes-validations:
+            - message: spec is immutable after creation
+              rule: self == oldSelf
           status:
             description: MultitenantPodNetworkConfigStatus defines the observed state
               of PodNetworkConfig

crd/multitenancy/manifests/multitenancy.acn.azure.com_podnetworkinstances.yaml

@@ -86,6 +86,9 @@ spec:
                 description: Deprecated - use PodNetworks
                 type: string
             type: object
+            x-kubernetes-validations:
+            - message: spec is immutable after creation
+              rule: self == oldSelf
           status:
             description: PodNetworkInstanceStatus defines the observed state of PodNetworkInstance
             properties:

crd/multitenancy/manifests/multitenancy.acn.azure.com_podnetworks.yaml

@@ -87,6 +87,9 @@ spec:
                 description: Deprecated - Use NetworkID
                 type: string
             type: object
+            x-kubernetes-validations:
+            - message: spec is immutable after creation
+              rule: self == oldSelf
           status:
             description: PodNetworkStatus defines the observed state of PodNetwork
             properties: