kubeadm graduate upload-config phase

cmd/kubeadm/app/cmd/alpha/alpha.go

@@ -55,7 +55,6 @@ func newCmdPhase(out io.Writer) *cobra.Command {
 	cmd.AddCommand(phases.NewCmdBootstrapToken())
 	cmd.AddCommand(phases.NewCmdMarkMaster())
 	cmd.AddCommand(phases.NewCmdSelfhosting())
-	cmd.AddCommand(phases.NewCmdUploadConfig())
 
 	return cmd
 }

cmd/kubeadm/app/cmd/init.go

@@ -50,9 +50,7 @@ import (
 	kubeconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubeconfig"
 	kubeletphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubelet"
 	markmasterphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/markmaster"
-	patchnodephase "k8s.io/kubernetes/cmd/kubeadm/app/phases/patchnode"
 	selfhostingphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/selfhosting"
-	uploadconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/uploadconfig"
 	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
 	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
 	"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
@@ -183,6 +181,7 @@ func NewCmdInit(out io.Writer) *cobra.Command {
 	initRunner.AppendPhase(phases.NewControlPlanePhase())
 	initRunner.AppendPhase(phases.NewEtcdPhase())
 	initRunner.AppendPhase(phases.NewWaitControlPlanePhase())
+	initRunner.AppendPhase(phases.NewUploadConfigPhase())
 	// TODO: add other phases to the runner.
 
 	// sets the data builder function, that will be used by the runner
@@ -487,30 +486,12 @@ func runInit(i *initData, out io.Writer) error {
 		return errors.Wrap(err, "failed to create waiter")
 	}
 
-	// Upload currently used configuration to the cluster
-	// Note: This is done right in the beginning of cluster initialization; as we might want to make other phases
-	// depend on centralized information from this source in the future
-	glog.V(1).Infof("[init] uploading currently used configuration to the cluster")
-	if err := uploadconfigphase.UploadConfiguration(i.cfg, client); err != nil {
-		return errors.Wrap(err, "error uploading configuration")
-	}
-
-	glog.V(1).Infof("[init] creating kubelet configuration configmap")
-	if err := kubeletphase.CreateConfigMap(i.cfg, client); err != nil {
-		return errors.Wrap(err, "error creating kubelet configuration ConfigMap")
-	}
-
 	// PHASE 4: Mark the master with the right label/taint
 	glog.V(1).Infof("[init] marking the master with right label")
 	if err := markmasterphase.MarkMaster(client, i.cfg.NodeRegistration.Name, i.cfg.NodeRegistration.Taints); err != nil {
 		return errors.Wrap(err, "error marking master")
 	}
 
-	glog.V(1).Infof("[init] preserving the crisocket information for the master")
-	if err := patchnodephase.AnnotateCRISocket(client, i.cfg.NodeRegistration.Name, i.cfg.NodeRegistration.CRISocket); err != nil {
-		return errors.Wrap(err, "error uploading crisocket")
-	}
-
 	// This feature is disabled by default
 	if features.Enabled(i.cfg.FeatureGates, features.DynamicKubeletConfig) {
 		kubeletVersion, err := preflight.GetKubeletVersion(utilsexec.New())

cmd/kubeadm/app/cmd/phases/kubelet.go

@@ -19,18 +19,10 @@ package phases
 import (
 	"github.com/golang/glog"
 	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
-	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
-	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
-	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	kubeletphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubelet"
-	patchnodephase "k8s.io/kubernetes/cmd/kubeadm/app/phases/patchnode"
-	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
-	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
-	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
 	"k8s.io/kubernetes/pkg/util/normalizer"
 )
 
@@ -39,24 +31,6 @@ var (
 		# Writes a dynamic environment file with kubelet flags from a InitConfiguration file.
 		kubeadm init phase kubelet-start --config masterconfig.yaml
 		`)
-
-	kubeletConfigUploadLongDesc = normalizer.LongDesc(`
-		Uploads kubelet configuration extracted from the kubeadm InitConfiguration object to a ConfigMap
-		of the form kubelet-config-1.X in the cluster, where X is the minor version of the current (API Server) Kubernetes version.
-		` + cmdutil.AlphaDisclaimer)
-
-	kubeletConfigUploadExample = normalizer.Examples(`
-		# Uploads the kubelet configuration from the kubeadm Config file to a ConfigMap in the cluster.
-		kubeadm alpha phase kubelet config upload --config kubeadm.yaml
-		`)
-
-	kubeletConfigAnnotateCRILongDesc = normalizer.LongDesc(`
-		Adds an annotation to the current node with the CRI socket specified in the kubeadm InitConfiguration object.
-		` + cmdutil.AlphaDisclaimer)
-
-	kubeletConfigAnnotateCRIExample = normalizer.Examples(`
-		kubeadm alpha phase kubelet config annotate-cri --config kubeadm.yaml
-		`)
 )
 
 // kubeletStartData defines the behavior that a runtime data struct passed to the kubelet start phase
@@ -118,104 +92,3 @@ func runKubeletStart(c workflow.RunData) error {
 
 	return nil
 }
-
-// NewCmdKubelet returns command for `kubeadm phase kubelet`
-func NewCmdKubelet() *cobra.Command {
-	cmd := &cobra.Command{
-		Use:   "kubelet",
-		Short: "Commands related to handling the kubelet.",
-		Long:  cmdutil.MacroCommandLongDescription,
-	}
-
-	cmd.AddCommand(NewCmdKubeletConfig())
-	return cmd
-}
-
-// NewCmdKubeletConfig returns command for `kubeadm phase kubelet config`
-func NewCmdKubeletConfig() *cobra.Command {
-	cmd := &cobra.Command{
-		Use:   "config",
-		Short: "Handles kubelet configuration.",
-		Long:  cmdutil.MacroCommandLongDescription,
-	}
-
-	cmd.AddCommand(NewCmdKubeletConfigUpload())
-	cmd.AddCommand(NewCmdKubeletAnnotateCRI())
-	return cmd
-}
-
-// NewCmdKubeletConfigUpload calls cobra.Command for uploading dynamic kubelet configuration
-func NewCmdKubeletConfigUpload() *cobra.Command {
-	cfg := &kubeadmapiv1beta1.InitConfiguration{}
-	var cfgPath string
-	kubeConfigFile := constants.GetAdminKubeConfigPath()
-
-	cmd := &cobra.Command{
-		Use:     "upload",
-		Short:   "Uploads kubelet configuration to a ConfigMap based on a kubeadm InitConfiguration file.",
-		Long:    kubeletConfigUploadLongDesc,
-		Example: kubeletConfigUploadExample,
-		Run: func(cmd *cobra.Command, args []string) {
-			if len(cfgPath) == 0 {
-				kubeadmutil.CheckErr(errors.New("The --config argument is required"))
-			}
-
-			// KubernetesVersion is not used, but we set it explicitly to avoid the lookup
-			// of the version from the internet when executing ConfigFileAndDefaultsToInternalConfig
-			SetKubernetesVersion(cfg)
-
-			// This call returns the ready-to-use configuration based on the configuration file
-			internalcfg, err := configutil.ConfigFileAndDefaultsToInternalConfig(cfgPath, cfg)
-			kubeadmutil.CheckErr(err)
-
-			kubeConfigFile = cmdutil.FindExistingKubeConfig(kubeConfigFile)
-			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
-			kubeadmutil.CheckErr(err)
-
-			err = kubeletphase.CreateConfigMap(internalcfg, client)
-			kubeadmutil.CheckErr(err)
-		},
-	}
-
-	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
-	options.AddConfigFlag(cmd.Flags(), &cfgPath)
-	return cmd
-}
-
-// NewCmdKubeletAnnotateCRI calls cobra.Command for annotating the node with the given crisocket
-func NewCmdKubeletAnnotateCRI() *cobra.Command {
-	cfg := &kubeadmapiv1beta1.InitConfiguration{}
-	var cfgPath string
-	kubeConfigFile := constants.GetAdminKubeConfigPath()
-
-	cmd := &cobra.Command{
-		Use:     "annotate-cri",
-		Short:   "annotates the node with the given crisocket",
-		Long:    kubeletConfigAnnotateCRILongDesc,
-		Example: kubeletConfigAnnotateCRIExample,
-		Run: func(cmd *cobra.Command, args []string) {
-			if len(cfgPath) == 0 {
-				kubeadmutil.CheckErr(errors.New("The --config argument is required"))
-			}
-
-			// KubernetesVersion is not used, but we set it explicitly to avoid the lookup
-			// of the version from the internet when executing ConfigFileAndDefaultsToInternalConfig
-			SetKubernetesVersion(cfg)
-
-			// This call returns the ready-to-use configuration based on the configuration file
-			internalcfg, err := configutil.ConfigFileAndDefaultsToInternalConfig(cfgPath, cfg)
-			kubeadmutil.CheckErr(err)
-
-			kubeConfigFile = cmdutil.FindExistingKubeConfig(kubeConfigFile)
-			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
-			kubeadmutil.CheckErr(err)
-
-			err = patchnodephase.AnnotateCRISocket(client, internalcfg.NodeRegistration.Name, internalcfg.NodeRegistration.CRISocket)
-			kubeadmutil.CheckErr(err)
-		},
-	}
-
-	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
-	options.AddConfigFlag(cmd.Flags(), &cfgPath)
-	return cmd
-}

cmd/kubeadm/app/cmd/phases/uploadconfig.go

@@ -19,70 +19,127 @@ package phases
 import (
 	"fmt"
 
+	"github.com/golang/glog"
 	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
-
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
+	clientset "k8s.io/client-go/kubernetes"
+	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
+	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
 	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
 	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
+	kubeletphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubelet"
+	patchnodephase "k8s.io/kubernetes/cmd/kubeadm/app/phases/patchnode"
 	"k8s.io/kubernetes/cmd/kubeadm/app/phases/uploadconfig"
-	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
-	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
-	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
 	"k8s.io/kubernetes/pkg/util/normalizer"
 )
 
 var (
-	uploadConfigLongDesc = fmt.Sprintf(normalizer.LongDesc(`
-		Uploads the kubeadm init configuration of your cluster to a ConfigMap called %s in the %s namespace. 
+	uploadKubeadmConfigLongDesc = fmt.Sprintf(normalizer.LongDesc(`
+		Uploads the kubeadm ClusterConfiguration to a ConfigMap called %s in the %s namespace. 
 		This enables correct configuration of system components and a seamless user experience when upgrading.
 
 		Alternatively, you can use kubeadm config.
-		`+cmdutil.AlphaDisclaimer), kubeadmconstants.KubeadmConfigConfigMap, metav1.NamespaceSystem)
+		`), kubeadmconstants.KubeadmConfigConfigMap, metav1.NamespaceSystem)
 
-	uploadConfigExample = normalizer.Examples(`
+	uploadKubeadmConfigExample = normalizer.Examples(`
 		# uploads the configuration of your cluster
 		kubeadm alpha phase upload-config --config=myConfig.yaml
 		`)
+
+	uploadKubeletConfigLongDesc = normalizer.LongDesc(`
+		Uploads kubelet configuration extracted from the kubeadm InitConfiguration object to a ConfigMap
+		of the form kubelet-config-1.X in the cluster, where X is the minor version of the current (API Server) Kubernetes version.
+		`)
+
+	uploadKubeletConfigExample = normalizer.Examples(`
+		# Uploads the kubelet configuration from the kubeadm Config file to a ConfigMap in the cluster.
+		kubeadm init phase upload-config kubelet --config kubeadm.yaml
+		`)
 )
 
-// NewCmdUploadConfig returns the Cobra command for running the uploadconfig phase
-func NewCmdUploadConfig() *cobra.Command {
-	cfg := &kubeadmapiv1beta1.InitConfiguration{}
-	kubeConfigFile := kubeadmconstants.GetAdminKubeConfigPath()
-	var cfgPath string
-
-	cmd := &cobra.Command{
-		Use:     "upload-config",
-		Short:   "Uploads the currently used configuration for kubeadm to a ConfigMap",
-		Long:    uploadConfigLongDesc,
-		Example: uploadConfigExample,
+type uploadConfigData interface {
+	Cfg() *kubeadmapi.InitConfiguration
+	Client() (clientset.Interface, error)
+}
+
+// NewUploadConfigPhase returns the phase to uploadConfig
+func NewUploadConfigPhase() workflow.Phase {
+	return workflow.Phase{
+		Name:    "upload-config",
 		Aliases: []string{"uploadconfig"},
-		Run: func(_ *cobra.Command, args []string) {
-			if len(cfgPath) == 0 {
-				kubeadmutil.CheckErr(errors.New("the --config flag is mandatory"))
-			}
+		Short:   "Uploads the kubeadm and kubelet configuration to a ConfigMap",
+		Long:    cmdutil.MacroCommandLongDescription,
+		Phases: []workflow.Phase{
+			{
+				Name:     "kubeadm",
+				Short:    "Uploads the kubeadm ClusterConfiguration to a ConfigMap",
+				Long:     uploadKubeadmConfigLongDesc,
+				Example:  uploadKubeadmConfigExample,
+				Run:      runUploadKubeadmConfig,
+				CmdFlags: getUploadConfigPhaseFlags(),
+			},
+			{
+				Name:     "kubelet",
+				Short:    "Uploads the kubelet component config to a ConfigMap",
+				Long:     uploadKubeletConfigLongDesc,
+				Example:  uploadKubeletConfigExample,
+				Run:      runUploadKubeletConfig,
+				CmdFlags: getUploadConfigPhaseFlags(),
+			},
+		},
+	}
+}
+
+func getUploadConfigPhaseFlags() []string {
+	return []string{
+		options.CfgPath,
+		options.KubeconfigPath,
+	}
+}
 
-			kubeConfigFile = cmdutil.FindExistingKubeConfig(kubeConfigFile)
-			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
-			kubeadmutil.CheckErr(err)
+// runUploadKubeadmConfig uploads the kubeadm configuration to a ConfigMap
+func runUploadKubeadmConfig(c workflow.RunData) error {
+	cfg, client, err := getUploadConfigData(c)
+	if err != nil {
+		return err
+	}
 
-			// KubernetesVersion is not used, but we set it explicitly to avoid the lookup
-			// of the version from the internet when executing ConfigFileAndDefaultsToInternalConfig
-			SetKubernetesVersion(cfg)
+	glog.V(1).Infof("[upload-config] Uploading the kubeadm ClusterConfiguration to a ConfigMap")
+	if err := uploadconfig.UploadConfiguration(cfg, client); err != nil {
+		return errors.Wrap(err, "error uploading the kubeadm ClusterConfiguration")
+	}
+	return nil
+}
 
-			internalcfg, err := configutil.ConfigFileAndDefaultsToInternalConfig(cfgPath, cfg)
-			kubeadmutil.CheckErr(err)
+// runUploadKubeletConfig uploads the kubelet configuration to a ConfigMap
+func runUploadKubeletConfig(c workflow.RunData) error {
+	cfg, client, err := getUploadConfigData(c)
+	if err != nil {
+		return err
+	}
 
-			err = uploadconfig.UploadConfiguration(internalcfg, client)
-			kubeadmutil.CheckErr(err)
-		},
+	glog.V(1).Infof("[upload-config] Uploading the kubelet component config to a ConfigMap")
+	if err = kubeletphase.CreateConfigMap(cfg, client); err != nil {
+		return errors.Wrap(err, "error creating kubelet configuration ConfigMap")
 	}
 
-	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
-	cmd.Flags().StringVar(&cfgPath, "config", "", "Path to a kubeadm config file. WARNING: Usage of a configuration file is experimental")
+	glog.V(1).Infof("[upload-config] Preserving the CRISocket information for the control-plane node")
+	if err := patchnodephase.AnnotateCRISocket(client, cfg.NodeRegistration.Name, cfg.NodeRegistration.CRISocket); err != nil {
+		return errors.Wrap(err, "Error writing Crisocket information for the control-plane node")
+	}
+	return nil
+}
 
-	return cmd
+func getUploadConfigData(c workflow.RunData) (*kubeadmapi.InitConfiguration, clientset.Interface, error) {
+	data, ok := c.(uploadConfigData)
+	if !ok {
+		return nil, nil, errors.New("upload-config phase invoked with an invalid data struct")
+	}
+	cfg := data.Cfg()
+	client, err := data.Client()
+	if err != nil {
+		return nil, nil, err
+	}
+	return cfg, client, err
 }

cmd/kubeadm/app/cmd/phases/workflow/phase.go

@@ -24,6 +24,9 @@ type Phase struct {
 	// the same workflow or phases belonging to the same parent phase).
 	Name string
 
+	// Aliases returns the aliases for the phase.
+	Aliases []string
+
 	// Short description of the phase.
 	Short string
 

cmd/kubeadm/app/cmd/phases/workflow/runner.go

@@ -312,6 +312,7 @@ func (e *Runner) BindToCommand(cmd *cobra.Command) {
 			Short:   p.Short,
 			Long:    p.Long,
 			Example: p.Example,
+			Aliases: p.Aliases,
 			Run: func(cmd *cobra.Command, args []string) {
 				e.Options.FilterPhases = []string{p.generatedName}
 				if err := e.Run(); err != nil {

docs/.generated_docs

@@ -37,7 +37,6 @@ docs/admin/kubeadm_alpha_phase_bootstrap-token_node_allow-post-csrs.md
 docs/admin/kubeadm_alpha_phase_mark-master.md
 docs/admin/kubeadm_alpha_phase_selfhosting.md
 docs/admin/kubeadm_alpha_phase_selfhosting_convert-from-staticpods.md
-docs/admin/kubeadm_alpha_phase_upload-config.md
 docs/admin/kubeadm_alpha_preflight.md
 docs/admin/kubeadm_alpha_preflight_node.md
 docs/admin/kubeadm_completion.md
@@ -80,6 +79,9 @@ docs/admin/kubeadm_init_phase_kubeconfig_kubelet.md
 docs/admin/kubeadm_init_phase_kubeconfig_scheduler.md
 docs/admin/kubeadm_init_phase_kubelet-start.md
 docs/admin/kubeadm_init_phase_preflight.md
+docs/admin/kubeadm_init_phase_upload-config.md
+docs/admin/kubeadm_init_phase_upload-config_kubeadm.md
+docs/admin/kubeadm_init_phase_upload-config_kubelet.md
 docs/admin/kubeadm_join.md
 docs/admin/kubeadm_reset.md
 docs/admin/kubeadm_token.md
@@ -131,7 +133,6 @@ docs/man/man1/kubeadm-alpha-phase-bootstrap-token.1
 docs/man/man1/kubeadm-alpha-phase-mark-master.1
 docs/man/man1/kubeadm-alpha-phase-selfhosting-convert-from-staticpods.1
 docs/man/man1/kubeadm-alpha-phase-selfhosting.1
-docs/man/man1/kubeadm-alpha-phase-upload-config.1
 docs/man/man1/kubeadm-alpha-phase.1
 docs/man/man1/kubeadm-alpha-preflight-node.1
 docs/man/man1/kubeadm-alpha-preflight.1
@@ -175,6 +176,9 @@ docs/man/man1/kubeadm-init-phase-kubeconfig-scheduler.1
 docs/man/man1/kubeadm-init-phase-kubeconfig.1
 docs/man/man1/kubeadm-init-phase-kubelet-start.1
 docs/man/man1/kubeadm-init-phase-preflight.1
+docs/man/man1/kubeadm-init-phase-upload-config-kubeadm.1
+docs/man/man1/kubeadm-init-phase-upload-config-kubelet.1
+docs/man/man1/kubeadm-init-phase-upload-config.1
 docs/man/man1/kubeadm-init-phase.1
 docs/man/man1/kubeadm-init.1
 docs/man/man1/kubeadm-join.1

docs/admin/kubeadm_init_phase_upload-config_kubelet.md

+This file is autogenerated, but we've stopped checking such files into the
+repository to reduce the need for rebases. Please run hack/generate-docs.sh to
+populate this file.

docs/man/man1/kubeadm-init-phase-upload-config-kubeadm.1

+This file is autogenerated, but we've stopped checking such files into the
+repository to reduce the need for rebases. Please run hack/generate-docs.sh to
+populate this file.

docs/man/man1/kubeadm-init-phase-upload-config-kubelet.1

+This file is autogenerated, but we've stopped checking such files into the
+repository to reduce the need for rebases. Please run hack/generate-docs.sh to
+populate this file.

docs/man/man1/kubeadm-init-phase-upload-config.1

+This file is autogenerated, but we've stopped checking such files into the
+repository to reduce the need for rebases. Please run hack/generate-docs.sh to
+populate this file.