func NewCommand()

in internal/onetime/configure/configure.go [38:103]
54 lines of code
10 McCabe index (conditional complexity)

func NewCommand(lp log.Parameters) *cobra.Command {
	cfg := cliconfig.NewConfigure(configPath(runtime.GOOS), lp, nil, nil)

	configureCmd := &cobra.Command{
		Use:   "configure",
		Short: "Configure the Google Cloud Agent for Compute Workloads",
		// PersistentPreRunE is called before each cli command is run.
		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
			onetime.SetValues("google-cloud-workload-agent", &cfg.Lp, cmd, "configure")
			if cfg.Lp.CloudLoggingClient != nil {
				defer cfg.Lp.CloudLoggingClient.Close()
			}
			log.SetupLoggingForOTE("google-cloud-workload-agent", "configure", cfg.Lp)

			var err error
			cfg.Configuration, err = configuration.ConfigFromFile(configPath(runtime.GOOS), os.ReadFile)
			if err != nil {
				return fmt.Errorf("failed to load configuration: %w", err)
			}
			return nil
		},
		// PersistentPostRunE is called after each cli command is run.
		PersistentPostRunE: func(cmd *cobra.Command, args []string) error {
			if !cfg.IsConfigModified() {
				cfg.LogToBoth(cmd.Context(), "No configuration changes to save.")
				return nil
			}
			return cfg.WriteFile(cmd.Context())
		},
	}

	// Custom Usage Function
	configureCmd.SetUsageFunc(func(cmd *cobra.Command) error {
		fmt.Printf("Usage for %s:\n\n", cmd.Name())
		fmt.Printf("  %s [subcommand] [flags]\n\n", cmd.CommandPath()) // Dynamic command path

		// Manually print the rest, mimicking Cobra's default behavior
		if cmd.HasAvailableSubCommands() {
			fmt.Println("Available Subcommands:")
			for _, subCmd := range cmd.Commands() {
				if !subCmd.Hidden && subCmd.Name() != "help" { // Avoid showing the default 'help'
					fmt.Printf("  %-15s %s\n", subCmd.Use, subCmd.Short)
				}
			}
			fmt.Println()
		}

		if cmd.HasAvailableLocalFlags() {
			fmt.Println("Flags:")
			fmt.Println(cmd.LocalFlags().FlagUsages()) // Use Cobra's built-in flag formatting
		}

		if cmd.HasAvailableInheritedFlags() {
			fmt.Println("Global Flags:")
			fmt.Println(cmd.InheritedFlags().FlagUsages())
		}
		return nil
	})

	configureCmd.AddCommand(oracle.NewCommand(cfg))
	configureCmd.AddCommand(sqlserver.NewCommand(cfg))
	configureCmd.AddCommand(mysql.NewCommand(cfg))
	configureCmd.AddCommand(redis.NewCommand(cfg))

	return configureCmd
}