OpenStackCluster: Set explicit listType=atomic

For non-mergeable list types, make the default 'atomic' behaviour
explicit.

Author: mdbooth

api/v1beta1/openstackcluster_types.go

@@ -34,6 +34,7 @@ type OpenStackClusterSpec struct {
 	// subnets with the defined CIDR, and a router connected to these subnets. Currently only one IPv4
 	// subnet is supported. If you leave this empty, no network will be created.
 	// +kubebuilder:validation:MaxItems=1
+	// +listType=atomic
 	// +optional
 	ManagedSubnets []SubnetSpec `json:"managedSubnets,omitempty"`
 
@@ -52,6 +53,7 @@ type OpenStackClusterSpec struct {
 	// all subnets in Network will be used. If 2 subnets are specified, one
 	// must be IPv4 and the other IPv6.
 	// +kubebuilder:validation:MaxItems=2
+	// +listType=atomic
 	// +optional
 	Subnets []SubnetFilter `json:"subnets,omitempty"`
 
@@ -64,6 +66,7 @@ type OpenStackClusterSpec struct {
 
 	// ExternalRouterIPs is an array of externalIPs on the respective subnets.
 	// This is necessary if the router needs a fixed ip in a specific subnet.
+	// +listType=atomic
 	// +optional
 	ExternalRouterIPs []ExternalRouterIPParam `json:"externalRouterIPs,omitempty"`
 

config/crd/bases/infrastructure.cluster.x-k8s.io_openstackclusters.yaml

@@ -5736,6 +5736,7 @@ spec:
                   - subnet
                   type: object
                 type: array
+                x-kubernetes-list-type: atomic
               identityRef:
                 description: |-
                   IdentityRef is a reference to a secret holding OpenStack credentials
@@ -5893,6 +5894,7 @@ spec:
                   type: object
                 maxItems: 1
                 type: array
+                x-kubernetes-list-type: atomic
               network:
                 description: |-
                   Network specifies an existing network to use if no ManagedSubnets
@@ -6117,6 +6119,7 @@ spec:
                   type: object
                 maxItems: 2
                 type: array
+                x-kubernetes-list-type: atomic
               tags:
                 description: Tags for all resources in cluster
                 items:

config/crd/bases/infrastructure.cluster.x-k8s.io_openstackclustertemplates.yaml

@@ -3168,6 +3168,7 @@ spec:
                           - subnet
                           type: object
                         type: array
+                        x-kubernetes-list-type: atomic
                       identityRef:
                         description: |-
                           IdentityRef is a reference to a secret holding OpenStack credentials
@@ -3327,6 +3328,7 @@ spec:
                           type: object
                         maxItems: 1
                         type: array
+                        x-kubernetes-list-type: atomic
                       network:
                         description: |-
                           Network specifies an existing network to use if no ManagedSubnets
@@ -3551,6 +3553,7 @@ spec:
                           type: object
                         maxItems: 2
                         type: array
+                        x-kubernetes-list-type: atomic
                       tags:
                         description: Tags for all resources in cluster
                         items: