chore: remove k8s master label

Since talos now defaults to k8s 1.27, remove the handling
of `master` label for controlplane nodes.

Signed-off-by: Noel Georgi <git@frezbo.dev>

Author: frezbo

internal/app/machined/internal/server/v1alpha1/v1alpha1_cluster.go

@@ -247,10 +247,6 @@ func getDiscoveryMemberList(ctx context.Context, runtime runtime.Runtime) ([]*cl
 
 func isControlPlaneNode(node *corev1.Node) bool {
 	for key := range node.Labels {
-		if key == constants.LabelNodeRoleMaster {
-			return true
-		}
-
 		if key == constants.LabelNodeRoleControlPlane {
 			return true
 		}

internal/app/machined/pkg/controllers/k8s/templates.go

@@ -341,9 +341,6 @@ spec:
       serviceAccountName: coredns
       priorityClassName: system-cluster-critical
       tolerations:
-        - key: node-role.kubernetes.io/master
-          operator: Exists
-          effect: NoSchedule
         - key: node-role.kubernetes.io/control-plane
           operator: Exists
           effect: NoSchedule

internal/integration/provision/upgrade.go

@@ -678,7 +678,7 @@ func (suite *UpgradeSuite) untaint(name string) {
 	k := 0
 
 	for _, taint := range n.Spec.Taints {
-		if taint.Key != constants.LabelNodeRoleMaster && taint.Key != constants.LabelNodeRoleControlPlane {
+		if taint.Key != constants.LabelNodeRoleControlPlane {
 			n.Spec.Taints[k] = taint
 			k++
 		}

pkg/cluster/check/kubernetes.go

@@ -97,7 +97,7 @@ func K8sFullControlPlaneAssertion(ctx context.Context, cl ClusterInfo) error {
 
 	for _, node := range nodes.Items {
 		for label := range node.Labels {
-			if label == constants.LabelNodeRoleMaster || label == constants.LabelNodeRoleControlPlane {
+			if label == constants.LabelNodeRoleControlPlane {
 				var internalIP netip.Addr
 
 				var ips []netip.Addr

pkg/kubernetes/kubernetes.go

@@ -152,16 +152,15 @@ func (h *Client) NodeIPs(ctx context.Context, machineType machine.Type) (addrs [
 	addrs = []string{}
 
 	for _, node := range resp.Items {
-		_, labelMaster := node.Labels[constants.LabelNodeRoleMaster]
 		_, labelControlPlane := node.Labels[constants.LabelNodeRoleControlPlane]
 
 		var skip bool
 
 		switch machineType {
 		case machine.TypeInit, machine.TypeControlPlane:
-			skip = !(labelMaster || labelControlPlane)
+			skip = !labelControlPlane
 		case machine.TypeWorker:
-			skip = labelMaster || labelControlPlane
+			skip = labelControlPlane
 		case machine.TypeUnknown:
 			fallthrough
 		default:
@@ -205,14 +204,11 @@ func (h *Client) LabelNodeAsControlPlane(ctx context.Context, name string, taint
 	}
 
 	n.Labels[constants.LabelNodeRoleControlPlane] = ""
-	// TODO: frezbo
-	// remove all references to `constants.LabelNodeRoleMaster` when Talos supports k8s v1.27
-	delete(n.Labels, constants.LabelNodeRoleMaster)
 
 	newTaints := make([]corev1.Taint, 0, len(n.Spec.Taints))
 
 	for _, taint := range n.Spec.Taints {
-		if taint.Key == constants.LabelNodeRoleMaster || taint.Key == constants.LabelNodeRoleControlPlane {
+		if taint.Key == constants.LabelNodeRoleControlPlane {
 			continue
 		}
 

pkg/machinery/constants/constants.go

@@ -334,9 +334,6 @@ const (
 	// renovate: datasource=github-releases depName=coredns/coredns
 	DefaultCoreDNSVersion = "1.10.1"
 
-	// LabelNodeRoleMaster is the node label required by a control plane node.
-	LabelNodeRoleMaster = "node-role.kubernetes.io/master"
-
 	// LabelNodeRoleControlPlane is the node label required by a control plane node.
 	LabelNodeRoleControlPlane = "node-role.kubernetes.io/control-plane"