Remove references to control-plane-specific ClusterSpec fields from nodeup

nodeup/pkg/model/containerd_test.go

@@ -182,20 +182,8 @@ func runContainerdBuilderTest(t *testing.T, key string, distro distributions.Dis
 }
 
 func TestContainerdConfig(t *testing.T) {
-	cluster := &kops.Cluster{
-		Spec: kops.ClusterSpec{
-			ContainerRuntime:  "containerd",
-			Containerd:        &kops.ContainerdConfig{},
-			KubernetesVersion: "1.21.0",
-			Networking: kops.NetworkingSpec{
-				Kubenet: &kops.KubenetNetworkingSpec{},
-			},
-		},
-	}
-
 	b := &ContainerdBuilder{
 		NodeupModelContext: &NodeupModelContext{
-			Cluster: cluster,
 			NodeupConfig: &nodeup.Config{
 				ContainerRuntime: "containerd",
 				ContainerdConfig: &kops.ContainerdConfig{},

nodeup/pkg/model/kube_controller_manager.go

@@ -52,7 +52,7 @@ func (b *KubeControllerManagerBuilder) Build(c *fi.NodeupModelBuilderContext) er
 
 	pathSrvKCM := filepath.Join(b.PathSrvKubernetes(), "kube-controller-manager")
 
-	kcm := *b.Cluster.Spec.KubeControllerManager
+	kcm := b.NodeupConfig.ControlPlaneConfig.KubeControllerManager
 	kcm.RootCAFile = filepath.Join(b.PathSrvKubernetes(), "ca.crt")
 
 	// Include the CA Key

nodeup/pkg/model/kube_proxy_test.go

@@ -38,18 +38,17 @@ func TestKubeProxyBuilder_buildPod(t *testing.T) {
 	// https://pkg.go.dev/k8s.io/kops/pkg/apis/kops#ClusterSpec
 	// https://pkg.go.dev/k8s.io/kops/pkg/apis/kops#KubeProxyConfig
 
-	cluster := &kops.Cluster{}
-
-	cluster.Spec.KubeProxy = &kops.KubeProxyConfig{}
-	cluster.Spec.KubeProxy.Image = "kube-proxy:1.2"
-	cluster.Spec.KubeProxy.CPURequest = resource.NewScaledQuantity(20, resource.Milli)
-	cluster.Spec.KubeProxy.CPULimit = resource.NewScaledQuantity(30, resource.Milli)
-
-	nodeupConfig := &nodeup.Config{
-		KubeProxy: cluster.Spec.KubeProxy,
+	kubeProxy := kops.KubeProxyConfig{
+		Image:      "kube-proxy:1.2",
+		CPURequest: resource.NewScaledQuantity(20, resource.Milli),
+		CPULimit:   resource.NewScaledQuantity(30, resource.Milli),
 	}
 
-	flags, _ := flagbuilder.BuildFlagsList(cluster.Spec.KubeProxy)
+	nodeupConfig := &nodeup.Config{
+		KubeProxy: &kubeProxy,
+	}
+
+	flags, _ := flagbuilder.BuildFlagsList(&kubeProxy)
 
 	flags = append(flags, []string{
 		"--kubeconfig=/var/lib/kube-proxy/kubeconfig",
@@ -70,7 +69,6 @@ func TestKubeProxyBuilder_buildPod(t *testing.T) {
 			"Setup KubeProxy for kubernetes version 1.20",
 			fields{
 				&NodeupModelContext{
-					Cluster:           cluster,
 					NodeupConfig:      nodeupConfig,
 					kubernetesVersion: semver.Version{Major: 1, Minor: 20},
 				},

nodeup/pkg/model/kube_scheduler.go

@@ -66,7 +66,7 @@ func (b *KubeSchedulerBuilder) Build(c *fi.NodeupModelBuilderContext) error {
 		return nil
 	}
 
-	kubeScheduler := *b.Cluster.Spec.KubeScheduler
+	kubeScheduler := b.NodeupConfig.ControlPlaneConfig.KubeScheduler
 
 	if err := b.writeServerCertificate(c, &kubeScheduler); err != nil {
 		return err

nodeup/pkg/model/kubelet_test.go

@@ -55,8 +55,10 @@ func TestTaintsApplied(t *testing.T) {
 
 	for _, g := range tests {
 		cluster := &kops.Cluster{Spec: kops.ClusterSpec{
-			KubernetesVersion: g.version,
-			KubeAPIServer:     &kops.KubeAPIServerConfig{},
+			KubernetesVersion:     g.version,
+			KubeAPIServer:         &kops.KubeAPIServerConfig{},
+			KubeControllerManager: &kops.KubeControllerManagerConfig{},
+			KubeScheduler:         &kops.KubeSchedulerConfig{},
 		}}
 		input := testutils.BuildMinimalMasterInstanceGroup("eu-central-1a")
 		input.Spec.Taints = g.taints
@@ -69,7 +71,6 @@ func TestTaintsApplied(t *testing.T) {
 		config, bootConfig := nodeup.NewConfig(cluster, ig)
 		b := &KubeletBuilder{
 			&NodeupModelContext{
-				Cluster:      cluster,
 				BootConfig:   bootConfig,
 				NodeupConfig: config,
 			},

pkg/apis/nodeup/config.go

@@ -94,6 +94,8 @@ type Config struct {
 
 	// APIServerConfig is additional configuration for nodes running an APIServer.
 	APIServerConfig *APIServerConfig `json:",omitempty"`
+	// ControlPlaneConfig is additional configuration for control-plane nodes.
+	ControlPlaneConfig *ControlPlaneConfig `json:",omitempty"`
 	// GossipConfig is configuration for gossip DNS.
 	GossipConfig *kops.GossipConfig `json:",omitempty"`
 	// DNSZone is the DNS zone we should use when configuring DNS.
@@ -190,6 +192,14 @@ type APIServerConfig struct {
 	ServiceAccountPublicKeys string
 }
 
+// ControlPlaneConfig is additional configuration for control-plane nodes.
+type ControlPlaneConfig struct {
+	// KubeControllerManager is the configuration for the kube-controller-manager.
+	KubeControllerManager kops.KubeControllerManagerConfig
+	// KubeScheduler is the configuration for the kube-scheduler.
+	KubeScheduler kops.KubeSchedulerConfig
+}
+
 func NewConfig(cluster *kops.Cluster, instanceGroup *kops.InstanceGroup) (*Config, *BootConfig) {
 	role := instanceGroup.Spec.Role
 
@@ -341,6 +351,13 @@ func NewConfig(cluster *kops.Cluster, instanceGroup *kops.InstanceGroup) (*Confi
 		config.GossipConfig = cluster.Spec.GossipConfig
 	}
 
+	if instanceGroup.IsControlPlane() {
+		config.ControlPlaneConfig = &ControlPlaneConfig{
+			KubeControllerManager: *cluster.Spec.KubeControllerManager,
+			KubeScheduler:         *cluster.Spec.KubeScheduler,
+		}
+	}
+
 	if len(instanceGroup.Spec.SysctlParameters) > 0 {
 		config.SysctlParameters = append(config.SysctlParameters,
 			"# Custom sysctl parameters from instance group spec",