Port over some ns stuff

command/namespace_list.go

@@ -0,0 +1,84 @@
+package command
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mitchellh/cli"
+	"github.com/posener/complete"
+)
+
+var _ cli.Command = (*NamespaceListCommand)(nil)
+var _ cli.CommandAutocomplete = (*NamespaceListCommand)(nil)
+
+type NamespaceListCommand struct {
+	*BaseCommand
+}
+
+func (c *NamespaceListCommand) Synopsis() string {
+	return "List child namespaces"
+}
+
+func (c *NamespaceListCommand) Help() string {
+	helpText := `
+Usage: vault namespaces list [options]
+
+  Lists the enabled child namespaces.
+
+  List all enabled child namespaces:
+
+      $ vault namespaces list
+
+` + c.Flags().Help()
+
+	return strings.TrimSpace(helpText)
+}
+
+func (c *NamespaceListCommand) Flags() *FlagSets {
+	return c.flagSet(FlagSetHTTP | FlagSetOutputFormat)
+}
+
+func (c *NamespaceListCommand) AutocompleteArgs() complete.Predictor {
+	return c.PredictVaultFolders()
+}
+
+func (c *NamespaceListCommand) AutocompleteFlags() complete.Flags {
+	return c.Flags().Completions()
+}
+
+func (c *NamespaceListCommand) Run(args []string) int {
+	f := c.Flags()
+
+	if err := f.Parse(args); err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	args = f.Args()
+	if len(args) > 0 {
+		c.UI.Error(fmt.Sprintf("Too many arguments (expected 0, got %d)", len(args)))
+		return 1
+	}
+
+	client, err := c.Client()
+	if err != nil {
+		c.UI.Error(err.Error())
+		return 2
+	}
+
+	namespaces, err := client.Sys().ListNamespaces()
+	if err != nil {
+		c.UI.Error(fmt.Sprintf("Error listing namespaces: %s", err))
+		return 2
+	}
+
+	switch Format(c.UI) {
+	case "table":
+		for _, ns := range namespaces.NamespacePaths {
+			c.UI.Output(ns)
+		}
+		return 0
+	default:
+		return OutputData(c.UI, namespaces)
+	}
+}