Make minikube help output consistent

cmd/minikube/cmd/cache.go

@@ -31,8 +31,8 @@ const cacheImageConfigKey = "cache"
 // cacheCmd represents the cache command
 var cacheCmd = &cobra.Command{
 	Use:   "cache",
-	Short: "Add or delete an image from the local cache.",
-	Long:  "Add or delete an image from the local cache.",
+	Short: "Add, delete, or push a local image into minikube",
+	Long:  "Add, delete, or push a local image into minikube",
 }
 
 // addCacheCmd represents the cache add command

cmd/minikube/cmd/completion.go

@@ -69,7 +69,7 @@ const boilerPlate = `
 
 var completionCmd = &cobra.Command{
 	Use:   "completion SHELL",
-	Short: "Outputs minikube shell completion for the given shell (bash, zsh or fish)",
+	Short: "Generate command completion for a shell",
 	Long:  longDescription,
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) != 1 {

cmd/minikube/cmd/config/addons.go

@@ -24,7 +24,7 @@ import (
 // AddonsCmd represents the addons command
 var AddonsCmd = &cobra.Command{
 	Use:   "addons SUBCOMMAND [flags]",
-	Short: "Modify minikube's kubernetes addons",
+	Short: "Enable or disable a minikube addon",
 	Long:  `addons modifies minikube addons files using subcommands like "minikube addons enable dashboard"`,
 	Run: func(cmd *cobra.Command, args []string) {
 		if err := cmd.Help(); err != nil {

cmd/minikube/cmd/config/config.go

@@ -177,7 +177,7 @@ var settings = []Setting{
 // ConfigCmd represents the config command
 var ConfigCmd = &cobra.Command{
 	Use:   "config SUBCOMMAND [flags]",
-	Short: "Modify minikube config",
+	Short: "Modify persistent configuration values",
 	Long: `config modifies minikube config files using subcommands like "minikube config set driver kvm"
 Configurable fields: ` + "\n\n" + configurableFields(),
 	Run: func(cmd *cobra.Command, args []string) {

cmd/minikube/cmd/config/open.go

@@ -94,7 +94,7 @@ You can add one by annotating a service with the label {{.labelName}}:{{.addonNa
 			}
 
 			if len(urlString) != 0 {
-				out.T(out.Celebrate, "Opening kubernetes service  {{.namespace_name}}/{{.service_name}} in default browser...", out.V{"namespace_name": namespace, "service_name": svc})
+				out.T(out.Celebrate, "Opening Kubernetes service  {{.namespace_name}}/{{.service_name}} in default browser...", out.V{"namespace_name": namespace, "service_name": svc})
 				for _, url := range urlString {
 					if err := browser.OpenURL(url); err != nil {
 						exit.WithError(fmt.Sprintf("browser failed to open url %s", url), err)
@@ -106,7 +106,7 @@ You can add one by annotating a service with the label {{.labelName}}:{{.addonNa
 }
 
 func init() {
-	addonsOpenCmd.Flags().BoolVar(&addonsURLMode, "url", false, "Display the kubernetes addons URL in the CLI instead of opening it in the default browser")
+	addonsOpenCmd.Flags().BoolVar(&addonsURLMode, "url", false, "Display the Kubernetes addons URL in the CLI instead of opening it in the default browser")
 	addonsOpenCmd.Flags().BoolVar(&https, "https", false, "Open the addons URL with https instead of http")
 	addonsOpenCmd.Flags().IntVar(&wait, "wait", service.DefaultWait, "Amount of time to wait for service in seconds")
 	addonsOpenCmd.Flags().IntVar(&interval, "interval", service.DefaultInterval, "The time interval for each check that wait performs in seconds")

cmd/minikube/cmd/config/profile.go

@@ -30,7 +30,7 @@ import (
 // ProfileCmd represents the profile command
 var ProfileCmd = &cobra.Command{
 	Use:   "profile [MINIKUBE_PROFILE_NAME].  You can return to the default minikube profile by running `minikube profile default`",
-	Short: "Profile gets or sets the current minikube profile",
+	Short: "Get or list the the current profiles (clusters)",
 	Long:  "profile sets the current minikube profile, or gets the current profile if no arguments are provided.  This is used to run and manage multiple minikube instance.  You can return to the default minikube profile by running `minikube profile default`",
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) == 0 {

cmd/minikube/cmd/dashboard.go

@@ -51,8 +51,8 @@ var (
 // dashboardCmd represents the dashboard command
 var dashboardCmd = &cobra.Command{
 	Use:   "dashboard",
-	Short: "Access the kubernetes dashboard running within the minikube cluster",
-	Long:  `Access the kubernetes dashboard running within the minikube cluster`,
+	Short: "Access the Kubernetes dashboard running within the minikube cluster",
+	Long:  `Access the Kubernetes dashboard running within the minikube cluster`,
 	Run: func(cmd *cobra.Command, args []string) {
 		cname := ClusterFlagValue()
 		co := mustload.Healthy(cname)

cmd/minikube/cmd/delete.go

@@ -51,8 +51,8 @@ var purge bool
 // deleteCmd represents the delete command
 var deleteCmd = &cobra.Command{
 	Use:   "delete",
-	Short: "Deletes a local kubernetes cluster",
-	Long: `Deletes a local kubernetes cluster. This command deletes the VM, and removes all
+	Short: "Deletes a local Kubernetes cluster",
+	Long: `Deletes a local Kubernetes cluster. This command deletes the VM, and removes all
 associated files.`,
 	Run: runDelete,
 }

cmd/minikube/cmd/docker-env.go

@@ -122,7 +122,7 @@ func isDockerActive(r command.Runner) bool {
 // dockerEnvCmd represents the docker-env command
 var dockerEnvCmd = &cobra.Command{
 	Use:   "docker-env",
-	Short: "Sets up docker env variables; similar to '$(docker-machine env)'",
+	Short: "Configure environment to use minikube's Docker daemon",
 	Long:  `Sets up docker env variables; similar to '$(docker-machine env)'.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		cname := ClusterFlagValue()

cmd/minikube/cmd/kubectl.go

@@ -33,8 +33,8 @@ import (
 // kubectlCmd represents the kubectl command
 var kubectlCmd = &cobra.Command{
 	Use:   "kubectl",
-	Short: "Run kubectl",
-	Long: `Run the kubernetes client, download it if necessary. Remember -- after kubectl!
+	Short: "Run a kubectl binary matching the cluster version",
+	Long: `Run the Kubernetes client, download it if necessary. Remember -- after kubectl!
 
 Examples:
 minikube kubectl -- --help

cmd/minikube/cmd/logs.go

@@ -48,7 +48,7 @@ var (
 // logsCmd represents the logs command
 var logsCmd = &cobra.Command{
 	Use:   "logs",
-	Short: "Gets the logs of the running instance, used for debugging minikube, not user code.",
+	Short: "Returns logs to debug a local Kubernetes cluster",
 	Long:  `Gets the logs of the running instance, used for debugging minikube, not user code.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		co := mustload.Running(ClusterFlagValue())

cmd/minikube/cmd/node.go

@@ -24,7 +24,7 @@ import (
 // nodeCmd represents the set of node subcommands
 var nodeCmd = &cobra.Command{
 	Use:   "node",
-	Short: "Node operations",
+	Short: "Add, remove, or list additional nodes",
 	Long:  "Operations on nodes",
 	Run: func(cmd *cobra.Command, args []string) {
 		exit.UsageT("Usage: minikube node [add|start|stop|delete|list]")

cmd/minikube/cmd/node_list.go

@@ -30,7 +30,7 @@ import (
 var nodeListCmd = &cobra.Command{
 	Use:   "list",
 	Short: "List nodes.",
-	Long:  "List existing Minikube nodes.",
+	Long:  "List existing minikube nodes.",
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) != 0 {
 			exit.UsageT("Usage: minikube node list")
@@ -40,7 +40,7 @@ var nodeListCmd = &cobra.Command{
 		_, cc := mustload.Partial(cname)
 
 		if len(cc.Nodes) < 1 {
-			glog.Warningf("Did not found any Minikube node.")
+			glog.Warningf("Did not found any minikube node.")
 		} else {
 			glog.Infof("%v", cc.Nodes)
 		}

cmd/minikube/cmd/options.go

@@ -28,10 +28,11 @@ import (
 
 // optionsCmd represents the options command
 var optionsCmd = &cobra.Command{
-	Use:   "options",
-	Short: "Show a list of global command-line options (applies to all commands).",
-	Long:  "Show a list of global command-line options (applies to all commands).",
-	Run:   runOptions,
+	Use:    "options",
+	Short:  "Show a list of global command-line options (applies to all commands).",
+	Long:   "Show a list of global command-line options (applies to all commands).",
+	Hidden: true,
+	Run:    runOptions,
 }
 
 // runOptions handles the executes the flow of "minikube options"

cmd/minikube/cmd/pause.go

@@ -41,7 +41,7 @@ var (
 // pauseCmd represents the docker-pause command
 var pauseCmd = &cobra.Command{
 	Use:   "pause",
-	Short: "pause containers",
+	Short: "pause Kubernetes",
 	Run:   runPause,
 }
 

cmd/minikube/cmd/podman-env.go

@@ -103,7 +103,7 @@ func createExternalSSHClient(d drivers.Driver) (*ssh.ExternalClient, error) {
 // podmanEnvCmd represents the podman-env command
 var podmanEnvCmd = &cobra.Command{
 	Use:   "podman-env",
-	Short: "Sets up podman env variables; similar to '$(podman-machine env)'",
+	Short: "Configure environment to use minikube's Podman daemon",
 	Long:  `Sets up podman env variables; similar to '$(podman-machine env)'.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		cname := ClusterFlagValue()

cmd/minikube/cmd/root.go

@@ -58,8 +58,8 @@ var viperWhiteList = []string{
 // RootCmd represents the base command when called without any subcommands
 var RootCmd = &cobra.Command{
 	Use:   "minikube",
-	Short: "Minikube is a tool for managing local Kubernetes clusters.",
-	Long:  `Minikube is a CLI tool that provisions and manages single-node Kubernetes clusters optimized for development workflows.`,
+	Short: "minikube quickly sets up a local Kubernetes cluster",
+	Long:  `minikube provisions and manages local Kubernetes clusters optimized for development workflows.`,
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
 		for _, path := range dirs {
 			if err := os.MkdirAll(path, 0777); err != nil {
@@ -163,7 +163,7 @@ func setFlagsUsingViper() {
 func init() {
 	translate.DetermineLocale()
 	RootCmd.PersistentFlags().StringP(config.ProfileName, "p", constants.DefaultClusterName, `The name of the minikube VM being used. This can be set to allow having multiple instances of minikube independently.`)
-	RootCmd.PersistentFlags().StringP(configCmd.Bootstrapper, "b", "kubeadm", "The name of the cluster bootstrapper that will set up the kubernetes cluster.")
+	RootCmd.PersistentFlags().StringP(configCmd.Bootstrapper, "b", "kubeadm", "The name of the cluster bootstrapper that will set up the Kubernetes cluster.")
 
 	groups := templates.CommandGroups{
 		{

cmd/minikube/cmd/service.go

@@ -59,8 +59,8 @@ var (
 // serviceCmd represents the service command
 var serviceCmd = &cobra.Command{
 	Use:   "service [flags] SERVICE",
-	Short: "Gets the kubernetes URL(s) for the specified service in your local cluster",
-	Long:  `Gets the kubernetes URL(s) for the specified service in your local cluster. In the case of multiple URLs they will be printed one at a time.`,
+	Short: "Returns a URL to connect to a service",
+	Long:  `Returns the Kubernetes URL for a service in your local cluster. In the case of multiple URLs they will be printed one at a time.`,
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
 		t, err := template.New("serviceURL").Parse(serviceURLFormat)
 		if err != nil {
@@ -101,7 +101,7 @@ You may select another namespace by using 'minikube service {{.service}} -n <nam
 
 func init() {
 	serviceCmd.Flags().StringVarP(&namespace, "namespace", "n", "default", "The service namespace")
-	serviceCmd.Flags().BoolVar(&serviceURLMode, "url", false, "Display the kubernetes service URL in the CLI instead of opening it in the default browser")
+	serviceCmd.Flags().BoolVar(&serviceURLMode, "url", false, "Display the Kubernetes service URL in the CLI instead of opening it in the default browser")
 	serviceCmd.Flags().BoolVar(&https, "https", false, "Open the service URL with https instead of http")
 	serviceCmd.Flags().IntVar(&wait, "wait", service.DefaultWait, "Amount of time to wait for a service in seconds")
 	serviceCmd.Flags().IntVar(&interval, "interval", service.DefaultInterval, "The initial time interval for each check that wait performs in seconds")

cmd/minikube/cmd/ssh.go

@@ -38,7 +38,7 @@ var (
 // sshCmd represents the docker-ssh command
 var sshCmd = &cobra.Command{
 	Use:   "ssh",
-	Short: "Log into or run a command on a machine with SSH; similar to 'docker-machine ssh'",
+	Short: "Log into the minikube environment (for debugging)",
 	Long:  "Log into or run a command on a machine with SSH; similar to 'docker-machine ssh'.",
 	Run: func(cmd *cobra.Command, args []string) {
 		cname := ClusterFlagValue()

cmd/minikube/cmd/start.go

@@ -83,8 +83,8 @@ func init() {
 // startCmd represents the start command
 var startCmd = &cobra.Command{
 	Use:   "start",
-	Short: "Starts a local kubernetes cluster",
-	Long:  "Starts a local kubernetes cluster",
+	Short: "Starts a local Kubernetes cluster",
+	Long:  "Starts a local Kubernetes cluster",
 	Run:   runStart,
 }
 
@@ -436,7 +436,7 @@ func maybeDeleteAndRetry(cc config.ClusterConfig, n config.Node, existingAddons
 func kubectlVersion(path string) (string, error) {
 	j, err := exec.Command(path, "version", "--client", "--output=json").Output()
 	if err != nil {
-		// really old kubernetes clients did not have the --output parameter
+		// really old Kubernetes clients did not have the --output parameter
 		b, err := exec.Command(path, "version", "--client", "--short").Output()
 		if err != nil {
 			return "", errors.Wrap(err, "exec")
@@ -839,7 +839,7 @@ func validateFlags(cmd *cobra.Command, drvName string) {
 			out.WarningT("Using the '{{.runtime}}' runtime with the 'none' driver is an untested configuration!", out.V{"runtime": runtime})
 		}
 
-		// conntrack is required starting with kubernetes 1.18, include the release candidates for completion
+		// conntrack is required starting with Kubernetes 1.18, include the release candidates for completion
 		version, _ := util.ParseKubernetesVersion(getKubernetesVersion(nil))
 		if version.GTE(semver.MustParse("1.18.0-beta.1")) {
 			if _, err := exec.LookPath("conntrack"); err != nil {

cmd/minikube/cmd/start_flags.go

@@ -131,7 +131,7 @@ func initMinikubeFlags() {
 	startCmd.Flags().String(criSocket, "", "The cri socket path to be used.")
 	startCmd.Flags().String(networkPlugin, "", "The name of the network plugin.")
 	startCmd.Flags().Bool(enableDefaultCNI, false, "Enable the default CNI plugin (/etc/cni/net.d/k8s.conf). Used in conjunction with \"--network-plugin=cni\".")
-	startCmd.Flags().StringSlice(waitComponents, kverify.DefaultWaitList, fmt.Sprintf("comma separated list of kubernetes components to verify and wait for after starting a cluster. defaults to %q, available options: %q . other acceptable values are 'all' or 'none', 'true' and 'false'", strings.Join(kverify.DefaultWaitList, ","), strings.Join(kverify.AllComponentsList, ",")))
+	startCmd.Flags().StringSlice(waitComponents, kverify.DefaultWaitList, fmt.Sprintf("comma separated list of Kubernetes components to verify and wait for after starting a cluster. defaults to %q, available options: %q . other acceptable values are 'all' or 'none', 'true' and 'false'", strings.Join(kverify.DefaultWaitList, ","), strings.Join(kverify.AllComponentsList, ",")))
 	startCmd.Flags().Duration(waitTimeout, 6*time.Minute, "max time to wait per Kubernetes core services to be healthy.")
 	startCmd.Flags().Bool(nativeSSH, true, "Use native Golang SSH client (default true). Set to 'false' to use the command line 'ssh' command when accessing the docker machine. Useful for the machine drivers when they will not start with 'Waiting for SSH'.")
 	startCmd.Flags().Bool(autoUpdate, true, "If set, automatically updates drivers to the latest version. Defaults to true.")
@@ -142,16 +142,16 @@ func initMinikubeFlags() {
 	startCmd.Flags().Bool(forceSystemd, false, "If set, force the container runtime to use sytemd as cgroup manager. Currently available for docker and crio. Defaults to false.")
 }
 
-// initKubernetesFlags inits the commandline flags for kubernetes related options
+// initKubernetesFlags inits the commandline flags for Kubernetes related options
 func initKubernetesFlags() {
-	startCmd.Flags().String(kubernetesVersion, "", fmt.Sprintf("The kubernetes version that the minikube VM will use (ex: v1.2.3, 'stable' for %s, 'latest' for %s). Defaults to 'stable'.", constants.DefaultKubernetesVersion, constants.NewestKubernetesVersion))
+	startCmd.Flags().String(kubernetesVersion, "", fmt.Sprintf("The Kubernetes version that the minikube VM will use (ex: v1.2.3, 'stable' for %s, 'latest' for %s). Defaults to 'stable'.", constants.DefaultKubernetesVersion, constants.NewestKubernetesVersion))
 	startCmd.Flags().Var(&config.ExtraOptions, "extra-config",
 		`A set of key=value pairs that describe configuration that may be passed to different components.
 		The key should be '.' separated, and the first part before the dot is the component to apply the configuration to.
 		Valid components are: kubelet, kubeadm, apiserver, controller-manager, etcd, proxy, scheduler
 		Valid kubeadm parameters: `+fmt.Sprintf("%s, %s", strings.Join(bsutil.KubeadmExtraArgsWhitelist[bsutil.KubeadmCmdParam], ", "), strings.Join(bsutil.KubeadmExtraArgsWhitelist[bsutil.KubeadmConfigParam], ",")))
 	startCmd.Flags().String(featureGates, "", "A set of key=value pairs that describe feature gates for alpha/experimental features.")
-	startCmd.Flags().String(dnsDomain, constants.ClusterDNSDomain, "The cluster dns domain name used in the kubernetes cluster")
+	startCmd.Flags().String(dnsDomain, constants.ClusterDNSDomain, "The cluster dns domain name used in the Kubernetes cluster")
 	startCmd.Flags().Int(apiServerPort, constants.APIServerPort, "The apiserver listening port")
 	startCmd.Flags().String(apiServerName, constants.APIServerName, "The authoritative apiserver hostname for apiserver certificates and connectivity. This can be used if you want to make the apiserver available from outside the machine")
 	startCmd.Flags().StringArrayVar(&apiServerNames, "apiserver-names", nil, "A set of apiserver names which are used in the generated certificate for kubernetes.  This can be used if you want to make the apiserver available from outside the machine")

cmd/minikube/cmd/status.go

@@ -91,10 +91,10 @@ kubelet: {{.Kubelet}}
 // statusCmd represents the status command
 var statusCmd = &cobra.Command{
 	Use:   "status",
-	Short: "Gets the status of a local kubernetes cluster",
-	Long: `Gets the status of a local kubernetes cluster.
-	Exit status contains the status of minikube's VM, cluster and kubernetes encoded on it's bits in this order from right to left.
-	Eg: 7 meaning: 1 (for minikube NOK) + 2 (for cluster NOK) + 4 (for kubernetes NOK)`,
+	Short: "Gets the status of a local Kubernetes cluster",
+	Long: `Gets the status of a local Kubernetes cluster.
+	Exit status contains the status of minikube's VM, cluster and Kubernetes encoded on it's bits in this order from right to left.
+	Eg: 7 meaning: 1 (for minikube NOK) + 2 (for cluster NOK) + 4 (for Kubernetes NOK)`,
 	Run: func(cmd *cobra.Command, args []string) {
 
 		if output != "text" && statusFormat != defaultStatusFormat {

cmd/minikube/cmd/stop.go

@@ -36,8 +36,8 @@ import (
 // stopCmd represents the stop command
 var stopCmd = &cobra.Command{
 	Use:   "stop",
-	Short: "Stops a running local kubernetes cluster",
-	Long: `Stops a local kubernetes cluster running in Virtualbox. This command stops the VM
+	Short: "Stops a running local Kubernetes cluster",
+	Long: `Stops a local Kubernetes cluster running in Virtualbox. This command stops the VM
 itself, leaving all files intact. The cluster can be started again with the "start" command.`,
 	Run: runStop,
 }

cmd/minikube/cmd/tunnel.go

@@ -42,7 +42,7 @@ var cleanup bool
 // tunnelCmd represents the tunnel command
 var tunnelCmd = &cobra.Command{
 	Use:   "tunnel",
-	Short: "tunnel makes services of type LoadBalancer accessible on localhost",
+	Short: "Connect to LoadBalancer services",
 	Long:  `tunnel creates a route to services deployed with type LoadBalancer and sets their Ingress to their ClusterIP. for a detailed example see https://minikube.sigs.k8s.io/docs/tasks/loadbalancer`,
 	PersistentPreRun: func(cmd *cobra.Command, args []string) {
 		RootCmd.PersistentPreRun(cmd, args)

cmd/minikube/cmd/update-context.go

@@ -27,7 +27,7 @@ import (
 // updateContextCmd represents the update-context command
 var updateContextCmd = &cobra.Command{
 	Use:   "update-context",
-	Short: "Verify the IP address of the running cluster in kubeconfig.",
+	Short: "Update kubeconfig in case of an IP or port change",
 	Long: `Retrieves the IP address of the running cluster, checks it
 			with IP in kubeconfig, and corrects kubeconfig if incorrect.`,
 	Run: func(cmd *cobra.Command, args []string) {

hack/preload-images/generate.go

@@ -74,7 +74,7 @@ func generateTarball(kubernetesVersion, containerRuntime, tarballFilename string
 	// will need to do this to enable the container run-time service
 	sv, err := util.ParseKubernetesVersion(kubernetesVersion)
 	if err != nil {
-		return errors.Wrap(err, "Failed to parse kubernetes version")
+		return errors.Wrap(err, "Failed to parse Kubernetes version")
 	}
 
 	co := cruntime.Config{