kubeadm: add SkipPhases in {Init|Join}Configuration for v1beta3

- Add the field SkipPhases in the public v1beta3 as a []string (omitempty)
- Add the field in the internal type
- Run generators
- Adapt v1beta2 converter for JoinConfiguration

cmd/kubeadm/app/apis/kubeadm/fuzzer/fuzzer.go

@@ -56,6 +56,7 @@ func fuzzInitConfiguration(obj *kubeadm.InitConfiguration, c fuzz.Continue) {
 			TTL:    &metav1.Duration{Duration: 1234},
 		},
 	}
+	obj.SkipPhases = nil
 }
 
 func fuzzNodeRegistration(obj *kubeadm.NodeRegistrationOptions, c fuzz.Continue) {
@@ -116,6 +117,7 @@ func fuzzJoinConfiguration(obj *kubeadm.JoinConfiguration, c fuzz.Continue) {
 		TLSBootstrapToken: "qux",
 		Timeout:           &metav1.Duration{Duration: 1234},
 	}
+	obj.SkipPhases = nil
 }
 
 func fuzzJoinControlPlane(obj *kubeadm.JoinControlPlane, c fuzz.Continue) {

cmd/kubeadm/app/apis/kubeadm/types.go

@@ -57,6 +57,11 @@ type InitConfiguration struct {
 	// CertificateKey sets the key with which certificates and keys are encrypted prior to being uploaded in
 	// a secret in the cluster during the uploadcerts init phase.
 	CertificateKey string
+
+	// SkipPhases is a list of phases to skip during command execution.
+	// The list of phases can be obtained with the "kubeadm init --help" command.
+	// The flag "--skip-phases" takes precedence over this field.
+	SkipPhases []string
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -313,6 +318,11 @@ type JoinConfiguration struct {
 	// ControlPlane defines the additional control plane instance to be deployed on the joining node.
 	// If nil, no additional control plane instance will be deployed.
 	ControlPlane *JoinControlPlane
+
+	// SkipPhases is a list of phases to skip during command execution.
+	// The list of phases can be obtained with the "kubeadm join --help" command.
+	// The flag "--skip-phases" takes precedence over this field.
+	SkipPhases []string
 }
 
 // JoinControlPlane contains elements describing an additional control plane instance to be deployed on the joining node.

cmd/kubeadm/app/apis/kubeadm/v1beta2/conversion.go

@@ -38,3 +38,8 @@ func Convert_v1beta2_InitConfiguration_To_kubeadm_InitConfiguration(in *InitConf
 func Convert_v1beta2_ClusterConfiguration_To_kubeadm_ClusterConfiguration(in *ClusterConfiguration, out *kubeadm.ClusterConfiguration, s conversion.Scope) error {
 	return autoConvert_v1beta2_ClusterConfiguration_To_kubeadm_ClusterConfiguration(in, out, s)
 }
+
+// Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration is required since v1beta2 does not have SkipPhases in JoinConfiguration
+func Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(in *kubeadm.JoinConfiguration, out *JoinConfiguration, s conversion.Scope) error {
+	return autoConvert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(in, out, s)
+}

cmd/kubeadm/app/apis/kubeadm/v1beta2/zz_generated.conversion.go

@@ -177,11 +177,6 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
-	if err := s.AddGeneratedConversionFunc((*kubeadm.JoinConfiguration)(nil), (*JoinConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
-		return Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(a.(*kubeadm.JoinConfiguration), b.(*JoinConfiguration), scope)
-	}); err != nil {
-		return err
-	}
 	if err := s.AddGeneratedConversionFunc((*JoinControlPlane)(nil), (*kubeadm.JoinControlPlane)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1beta2_JoinControlPlane_To_kubeadm_JoinControlPlane(a.(*JoinControlPlane), b.(*kubeadm.JoinControlPlane), scope)
 	}); err != nil {
@@ -227,6 +222,11 @@ func RegisterConversions(s *runtime.Scheme) error {
 	}); err != nil {
 		return err
 	}
+	if err := s.AddConversionFunc((*kubeadm.JoinConfiguration)(nil), (*JoinConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(a.(*kubeadm.JoinConfiguration), b.(*JoinConfiguration), scope)
+	}); err != nil {
+		return err
+	}
 	if err := s.AddConversionFunc((*ClusterConfiguration)(nil), (*kubeadm.ClusterConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
 		return Convert_v1beta2_ClusterConfiguration_To_kubeadm_ClusterConfiguration(a.(*ClusterConfiguration), b.(*kubeadm.ClusterConfiguration), scope)
 	}); err != nil {
@@ -646,6 +646,7 @@ func autoConvert_kubeadm_InitConfiguration_To_v1beta2_InitConfiguration(in *kube
 		return err
 	}
 	out.CertificateKey = in.CertificateKey
+	// WARNING: in.SkipPhases requires manual conversion: does not exist in peer-type
 	return nil
 }
 
@@ -675,14 +676,10 @@ func autoConvert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(in *kube
 		return err
 	}
 	out.ControlPlane = (*JoinControlPlane)(unsafe.Pointer(in.ControlPlane))
+	// WARNING: in.SkipPhases requires manual conversion: does not exist in peer-type
 	return nil
 }
 
-// Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration is an autogenerated conversion function.
-func Convert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(in *kubeadm.JoinConfiguration, out *JoinConfiguration, s conversion.Scope) error {
-	return autoConvert_kubeadm_JoinConfiguration_To_v1beta2_JoinConfiguration(in, out, s)
-}
-
 func autoConvert_v1beta2_JoinControlPlane_To_kubeadm_JoinControlPlane(in *JoinControlPlane, out *kubeadm.JoinControlPlane, s conversion.Scope) error {
 	if err := Convert_v1beta2_APIEndpoint_To_kubeadm_APIEndpoint(&in.LocalAPIEndpoint, &out.LocalAPIEndpoint, s); err != nil {
 		return err

cmd/kubeadm/app/apis/kubeadm/v1beta3/doc.go

@@ -29,6 +29,8 @@ limitations under the License.
 // DNS server type by kubeadm.
 // - Include "datapolicy" tags on the fields that hold secrets.
 // This would result in the field values to be omitted when API structures are printed with klog.
+// - Add "InitConfiguration.SkipPhases", "JoinConfiguration.SkipPhases" to allow skipping
+// a list of phases during kubeadm init/join command execution.
 //
 // Migration from old kubeadm config versions
 //
@@ -177,6 +179,8 @@ limitations under the License.
 // 	  advertiseAddress: "10.100.0.1"
 // 	  bindPort: 6443
 //	certificateKey: "e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204"
+//  skipPhases:
+//  - addon/kube-proxy
 // 	---
 // 	apiVersion: kubeadm.k8s.io/v1beta3
 // 	kind: ClusterConfiguration

cmd/kubeadm/app/apis/kubeadm/v1beta3/types.go

@@ -50,6 +50,12 @@ type InitConfiguration struct {
 	// CertificateKey sets the key with which certificates and keys are encrypted prior to being uploaded in
 	// a secret in the cluster during the uploadcerts init phase.
 	CertificateKey string `json:"certificateKey,omitempty"`
+
+	// SkipPhases is a list of phases to skip during command execution.
+	// The list of phases can be obtained with the "kubeadm init --help" command.
+	// The flag "--skip-phases" takes precedence over this field.
+	// +optional
+	SkipPhases []string `json:"skipPhases,omitempty"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -290,6 +296,12 @@ type JoinConfiguration struct {
 	// ControlPlane defines the additional control plane instance to be deployed on the joining node.
 	// If nil, no additional control plane instance will be deployed.
 	ControlPlane *JoinControlPlane `json:"controlPlane,omitempty"`
+
+	// SkipPhases is a list of phases to skip during command execution.
+	// The list of phases can be obtained with the "kubeadm join --help" command.
+	// The flag "--skip-phases" takes precedence over this field.
+	// +optional
+	SkipPhases []string `json:"skipPhases,omitempty"`
 }
 
 // JoinControlPlane contains elements describing an additional control plane instance to be deployed on the joining node.

cmd/kubeadm/app/apis/kubeadm/v1beta3/zz_generated.conversion.go

@@ -626,6 +626,7 @@ func autoConvert_v1beta3_InitConfiguration_To_kubeadm_InitConfiguration(in *Init
 		return err
 	}
 	out.CertificateKey = in.CertificateKey
+	out.SkipPhases = *(*[]string)(unsafe.Pointer(&in.SkipPhases))
 	return nil
 }
 
@@ -639,6 +640,7 @@ func autoConvert_kubeadm_InitConfiguration_To_v1beta3_InitConfiguration(in *kube
 		return err
 	}
 	out.CertificateKey = in.CertificateKey
+	out.SkipPhases = *(*[]string)(unsafe.Pointer(&in.SkipPhases))
 	return nil
 }
 
@@ -651,6 +653,7 @@ func autoConvert_v1beta3_JoinConfiguration_To_kubeadm_JoinConfiguration(in *Join
 		return err
 	}
 	out.ControlPlane = (*kubeadm.JoinControlPlane)(unsafe.Pointer(in.ControlPlane))
+	out.SkipPhases = *(*[]string)(unsafe.Pointer(&in.SkipPhases))
 	return nil
 }
 
@@ -668,6 +671,7 @@ func autoConvert_kubeadm_JoinConfiguration_To_v1beta3_JoinConfiguration(in *kube
 		return err
 	}
 	out.ControlPlane = (*JoinControlPlane)(unsafe.Pointer(in.ControlPlane))
+	out.SkipPhases = *(*[]string)(unsafe.Pointer(&in.SkipPhases))
 	return nil
 }
 

cmd/kubeadm/app/apis/kubeadm/v1beta3/zz_generated.deepcopy.go

@@ -368,6 +368,11 @@ func (in *InitConfiguration) DeepCopyInto(out *InitConfiguration) {
 	}
 	in.NodeRegistration.DeepCopyInto(&out.NodeRegistration)
 	out.LocalAPIEndpoint = in.LocalAPIEndpoint
+	if in.SkipPhases != nil {
+		in, out := &in.SkipPhases, &out.SkipPhases
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 	return
 }
 
@@ -400,6 +405,11 @@ func (in *JoinConfiguration) DeepCopyInto(out *JoinConfiguration) {
 		*out = new(JoinControlPlane)
 		**out = **in
 	}
+	if in.SkipPhases != nil {
+		in, out := &in.SkipPhases, &out.SkipPhases
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 	return
 }
 

cmd/kubeadm/app/apis/kubeadm/zz_generated.deepcopy.go

@@ -398,6 +398,11 @@ func (in *InitConfiguration) DeepCopyInto(out *InitConfiguration) {
 	}
 	in.NodeRegistration.DeepCopyInto(&out.NodeRegistration)
 	out.LocalAPIEndpoint = in.LocalAPIEndpoint
+	if in.SkipPhases != nil {
+		in, out := &in.SkipPhases, &out.SkipPhases
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 	return
 }
 
@@ -430,6 +435,11 @@ func (in *JoinConfiguration) DeepCopyInto(out *JoinConfiguration) {
 		*out = new(JoinControlPlane)
 		**out = **in
 	}
+	if in.SkipPhases != nil {
+		in, out := &in.SkipPhases, &out.SkipPhases
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
 	return
 }