Add ProvisionShardID API field to ROSAControlPlane

Author: muraee

config/crd/bases/controlplane.cluster.x-k8s.io_rosacontrolplanes.yaml

@@ -214,6 +214,13 @@ spec:
               oidcID:
                 description: The ID of the OpenID Connect Provider.
                 type: string
+              provisionShardID:
+                description: ProvisionShardID defines the shard where rosa control
+                  plane components will be hosted.
+                type: string
+                x-kubernetes-validations:
+                - message: provisionShardID is immutable
+                  rule: self == oldSelf
               region:
                 description: The AWS Region the cluster lives in.
                 type: string

controlplane/rosa/api/v1beta2/rosacontrolplane_types.go

@@ -139,6 +139,12 @@ type RosaControlPlaneSpec struct { //nolint: maligned
 	// +optional
 	AuditLogRoleARN string `json:"auditLogRoleARN,omitempty"`
 
+	// ProvisionShardID defines the shard where rosa control plane components will be hosted.
+	//
+	// +kubebuilder:validation:XValidation:rule="self == oldSelf", message="provisionShardID is immutable"
+	// +optional
+	ProvisionShardID string `json:"provisionShardID,omitempty"`
+
 	// CredentialsSecretRef references a secret with necessary credentials to connect to the OCM API.
 	// The secret should contain the following data keys:
 	// - ocmToken: eyJhbGciOiJIUzI1NiIsI....

controlplane/rosa/controllers/rosacontrolplane_controller.go

@@ -615,6 +615,12 @@ func buildOCMClusterSpec(controPlaneSpec rosacontrolplanev1.RosaControlPlaneSpec
 		ocmClusterSpec.MinReplicas = computeAutoscaling.MinReplicas
 	}
 
+	if controPlaneSpec.ProvisionShardID != "" {
+		ocmClusterSpec.CustomProperties = map[string]string{
+			"provision_shard_id": controPlaneSpec.ProvisionShardID,
+		}
+	}
+
 	return ocmClusterSpec, nil
 }