Renamed ControlAgent to NodeControl

clitools/pkg/cmd/create/create.go

@@ -1,9 +1,11 @@
 package create
 
 import (
+	"bytes"
 	"fmt"
 	"github.com/spf13/cobra"
 	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"os"
 
 	render "example.com/monok8s/pkg/render"
 )
@@ -58,5 +60,52 @@ func NewCmdCreate(flags *genericclioptions.ConfigFlags) *cobra.Command {
 			},
 		},
 	)
+
+	var authorizedKeysPath string
+
+	sshdcmd := cobra.Command{
+		Use:   "sshd",
+		Short: "Print sshd deployment template",
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			ns, _, err := flags.ToRawKubeConfigLoader().Namespace()
+			if err != nil {
+				return err
+			}
+
+			authorizedKeys, err := readAuthorizedKeysFile(authorizedKeysPath)
+			if err != nil {
+				return err
+			}
+
+			out, err := render.RenderSSHDDeployments(ns, authorizedKeys)
+			if err != nil {
+				return err
+			}
+
+			_, err = fmt.Fprint(cmd.OutOrStdout(), out)
+			return err
+		},
+	}
+
+	sshdcmd.Flags().StringVar(&authorizedKeysPath, "authkeys", "", "path to authorized_keys file")
+
+	cmd.AddCommand(&sshdcmd)
 	return cmd
 }
+
+func readAuthorizedKeysFile(path string) (string, error) {
+	if path == "" {
+		return "", fmt.Errorf("--authkeys is required")
+	}
+
+	b, err := os.ReadFile(path)
+	if err != nil {
+		return "", fmt.Errorf("read authorized_keys file %q: %w", path, err)
+	}
+
+	if len(bytes.TrimSpace(b)) == 0 {
+		return "", fmt.Errorf("authorized_keys file %q is empty", path)
+	}
+
+	return string(b), nil
+}