Mark API's 'sans' field as list-type=set

Adds the +listType=set annotation to the SANs field in the API spec,
which ensures the field is treated as a set in the generated CRD
and prevents duplicate entries in the array.

Signed-off-by: kahirokunn <[email protected]>

Author: kahirokunn

pkg/apis/k0s/v1beta1/api.go

@@ -62,6 +62,7 @@ type APISpec struct {
 	Port int `json:"port,omitempty"`
 
 	// List of additional addresses to push to API servers serving the certificate
+	// +listType=set
 	SANs []string `json:"sans,omitempty"`
 }
 

static/_crds/k0s/k0s.k0sproject.io_clusterconfigs.yaml

@@ -79,6 +79,7 @@ spec:
                     items:
                       type: string
                     type: array
+                    x-kubernetes-list-type: set
                 type: object
               controllerManager:
                 description: ControllerManagerSpec defines the fields for the ControllerManager