improve cli help text (#2034)

fix %s issue and improve help text

Author: ajp-io

cmd/installer/cli/join.go

@@ -53,7 +53,7 @@ func JoinCmd(ctx context.Context, name string) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "join <url> <token>",
-		Short: fmt.Sprintf("Join %s", name),
+		Short: fmt.Sprintf("Join a node to the %s cluster", name),
 		Args:  cobra.ExactArgs(2),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if err := preRunJoin(&flags); err != nil {

cmd/installer/cli/reset.go

@@ -50,7 +50,7 @@ func ResetCmd(ctx context.Context, name string) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "reset",
-		Short: "Remove %s from the current node",
+		Short: fmt.Sprintf("Remove %s from the current node", name),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if os.Getuid() != 0 {
 				return fmt.Errorf("reset command must be run as root")

cmd/installer/cli/restore.go

@@ -92,7 +92,7 @@ func RestoreCmd(ctx context.Context, name string) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "restore",
-		Short: fmt.Sprintf("Restore a %s cluster", name),
+		Short: fmt.Sprintf("Restore %s from a backup", name),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if err := preRunInstall(cmd, &flags); err != nil {
 				return err

cmd/installer/cli/shell.go

@@ -30,7 +30,7 @@ const welcome = `
 func ShellCmd(ctx context.Context, name string) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "shell",
-		Short: "Start a shell with access to the cluster",
+		Short: fmt.Sprintf("Start a shell with access to the %s cluster", name),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if os.Getuid() != 0 {
 				return fmt.Errorf("shell command must be run as root")

cmd/installer/cli/supportbundle.go

@@ -20,7 +20,7 @@ import (
 func SupportBundleCmd(ctx context.Context, name string) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "support-bundle",
-		Short: "Generate a support bundle for the embedded-cluster",
+		Short: "Generate a support bundle",
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if os.Getuid() != 0 {
 				return fmt.Errorf("support-bundle command must be run as root")

cmd/installer/cli/update.go

@@ -20,7 +20,7 @@ func UpdateCmd(ctx context.Context, name string) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "update",
-		Short: fmt.Sprintf("Update %s", name),
+		Short: fmt.Sprintf("Update %s with a new air gap bundle", name),
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if os.Getuid() != 0 {
 				return fmt.Errorf("update command must be run as root")