Method RunListNamespaces

cmd/list/namespaces.go:45–115

RunListNamespaces runs the list namespaces command logic

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

// RunListNamespaces runs the list namespaces command logic
func (cmd *namespacesCmd) RunListNamespaces(f factory.Factory, cobraCmd *cobra.Command, args []string) error {
	logger := f.GetLog()
	// Set config root
	configLoader, err := f.NewConfigLoader(cmd.ConfigPath)
	if err != nil {
		return err
	}
	configExists, err := configLoader.SetDevSpaceRoot(logger)
	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
	var localCache localcache.Cache
	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, logger)
	if err != nil {
		return err
	}

	namespaces, err := client.KubeClient().CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
	if err != nil {
		return errors.Wrap(err, "list namespaces")
	}

	headerColumnNames := []string{
		"Name",
		"Default",
		"Exists",
	}

	// Transform values into string arrays
	namespaceRows := make([][]string, 0, len(namespaces.Items))
	defaultFound := false
	for _, namespace := range namespaces.Items {
		namespaceRows = append(namespaceRows, []string{
			namespace.Name,
			strconv.FormatBool(namespace.Name == client.Namespace()),
			"true",
		})

		if namespace.Name == client.Namespace() {
			defaultFound = true
		}