metropolis/cli/metroctl/cmd_install_usb.go

package main

import (
	_ "embed"
	"fmt"
	"log"

	"github.com/spf13/cobra"

	"source.monogon.dev/metropolis/cli/metroctl/core"
)

var genusbCmd = &cobra.Command{
	Use:     "genusb target",
	Short:   "Generates a Metropolis installer disk or image.",
	Example: "metroctl install --bundle=metropolis-v0.1.zip genusb /dev/sdx",
	Args:    PrintUsageOnWrongArgs(cobra.ExactArgs(1)), // One positional argument: the target
	RunE: func(cmd *cobra.Command, args []string) error {
		params, err := makeNodeParams()
		if err != nil {
			return err
		}

		installerPath, err := cmd.Flags().GetString("installer")
		if err != nil {
			return err
		}

		installer, err := external("installer", "_main/metropolis/installer/kernel.efi", &installerPath)
		if err != nil {
			return err
		}
		bundle, err := external("bundle", "_main/metropolis/node/bundle.zip", bundlePath)
		if err != nil {
			return err
		}

		installerImageArgs := core.MakeInstallerImageArgs{
			TargetPath: args[0],
			Installer:  installer,
			NodeParams: params,
			Bundle:     bundle,
		}

		log.Printf("Generating installer image (this can take a while, see issues/92).")
		if err := core.MakeInstallerImage(installerImageArgs); err != nil {
			return fmt.Errorf("failed to create installer: %w", err)
		}
		return nil
	},
}

func init() {
	genusbCmd.Flags().StringP("installer", "i", "", "Path to the Metropolis installer to use when installing")
	installCmd.AddCommand(genusbCmd)
}