Method Run

cmd/attach.go:64–121

Run executes the command logic

(f factory.Factory, cobraCmd *cobra.Command, args []string)

// Run executes the command logic
func (cmd *AttachCmd) Run(f factory.Factory, cobraCmd *cobra.Command, args []string) error {
	// Set config root
	log := f.GetLog()
	configOptions := cmd.ToConfigOptions()
	configLoader, err := f.NewConfigLoader(cmd.ConfigPath)
	if err != nil {
		return err
	}
	configExists, err := configLoader.SetDevSpaceRoot(log)
	if err != nil {
		return err
	}

	// Get kubectl client
	client, err := f.NewKubeClientFromContext(cmd.KubeContext, cmd.Namespace)
	if err != nil {
		return errors.Wrap(err, "new kube client")
	}

	// Load generated config if possible
	if configExists {
		localCache, err := configLoader.LoadLocalCache()
		if err != nil {
			return err
		}

		// If the current kube context or namespace is different from old,
		// show warnings and reset kube client if necessary
		client, err = kubectl.CheckKubeContext(client, localCache, cmd.NoWarn, cmd.SwitchContext, false, log)
		if err != nil {
			return err
		}
	}

	// create the context
	ctx := devspacecontext.NewContext(context.Background(), nil, log).WithKubeClient(client)

	// Execute plugin hook
	err = hook.ExecuteHooks(ctx, nil, "attach")
	if err != nil {
		return err
	}

	// get image selector if specified
	imageSelector, err := getImageSelector(ctx, configLoader, configOptions, cmd.ImageSelector)
	if err != nil {
		return err
	}

	// Build params
	options := targetselector.NewOptionsFromFlags(cmd.Container, cmd.LabelSelector, imageSelector, cmd.Namespace, cmd.Pod).
		WithPick(cmd.Pick).
		WithWait(false).
		WithQuestion("Which pod do you want to attach to?")

	// Start attach
	return attach.StartAttachFromCMD(ctx, targetselector.NewTargetSelector(options))
}