Add controlPlaneAvailabilityZones and controlPlaneOmitAvailabilityZon…

…e variables (#157)

Signed-off-by: Roman Hros <[email protected]>

providers/openstack/scs/cluster-class/templates/cluster-class.yaml

@@ -312,6 +312,22 @@ cre ate group names like oidc:engineering and oidc:infra."
           type: integer
           example: 1500
           description: "NetworkMTU sets the maximum transmission unit (MTU) value to address fragmentation for the private network ID."
+    - name: controlPlaneAvailabilityZones
+      required: false
+      schema:
+        openAPIV3Schema:
+          type: array
+          example: ["nova"]
+          description: "ControlPlaneAvailabilityZones is the set of availability zones which control plane machines may be deployed to."
+          items:
+            type: string
+    - name: controlPlaneOmitAvailabilityZone
+      required: false
+      schema:
+        openAPIV3Schema:
+          type: boolean
+          example: true
+          description: "ControlPlaneOmitAvailabilityZone causes availability zone to be omitted when creating control plane nodes, allowing the Nova scheduler to make a decision on which availability zone to use based on other scheduling constraints."
   patches:
     - name: k8s_version
       description: "Sets the openstack node image for workers and the controlplane to the cluster-api image with the version mentioned in spec.topology.version."
@@ -588,6 +604,34 @@ cre ate group names like oidc:engineering and oidc:infra."
             path: "/spec/template/spec/networkMTU"
             valueFrom:
               variable: network_mtu
+    - name: controlPlaneAvailabilityZones
+      description: "Sets the availability zones which control plane machines may be deployed to."
+      enabledIf: {{ `"{{ if .controlPlaneAvailabilityZones }}true{{end}}"` }}
+      definitions:
+        - selector:
+            apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
+            kind: OpenStackClusterTemplate
+            matchResources:
+              infrastructureCluster: true
+          jsonPatches:
+          - op: add
+            path: "/spec/template/spec/controlPlaneAvailabilityZones"
+            valueFrom:
+              variable: controlPlaneAvailabilityZones
+    - name: controlPlaneOmitAvailabilityZone
+      description: "Causes availability zone to be omitted when creating control plane nodes."
+      enabledIf: {{ `"{{ if .controlPlaneOmitAvailabilityZone }}true{{end}}"` }}
+      definitions:
+        - selector:
+            apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
+            kind: OpenStackClusterTemplate
+            matchResources:
+              infrastructureCluster: true
+          jsonPatches:
+          - op: add
+            path: "/spec/template/spec/controlPlaneOmitAvailabilityZone"
+            valueFrom:
+              variable: controlPlaneOmitAvailabilityZone
     - name: openstack_security_groups
       description: "Sets the list of the openstack security groups for the worker and the controlplane instances."
       enabledIf: {{ `"{{ if .openstack_security_groups }}true{{end}}"` }}