Add cluster switch cmd

cluster/cluster.go

@@ -8,21 +8,30 @@ import (
 )
 
 func ListClusters() error {
+	var domain string
 	c, err := config.GetClusters()
 	if err != nil {
 		return err
 	}
 
+	ctx, err := config.GetCurrentCluster()
+	if err != nil {
+		return err
+	}
+
 	for k, v := range c.Clusters {
-		var name string
 		if v.Domain != "" {
-			name = v.Domain
+			domain = v.Domain
 		} else {
-			name = strings.Replace(k, "_", ".", -1)
+			domain = strings.Replace(k, "_", ".", -1)
 		}
-		fmt.Println(name)
-		fmt.Printf("\t Workspace: %s", v.Workspace)
-		fmt.Println("\n")
+
+		if domain == ctx.Domain {
+			domain = domain + " (current)"
+		}
+
+		fmt.Println(domain)
+
 	}
 
 	return nil

cmd/cluster.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"github.com/astronomerio/astro-cli/cluster"
+	"github.com/astronomerio/astro-cli/config"
 	"github.com/spf13/cobra"
 )
 
@@ -20,18 +21,32 @@ var (
 		Long:    "List known Astronomer Enterprise clusters",
 		RunE:    clusterList,
 	}
+
+	clusterSwitchCmd = &cobra.Command{
+		Use:     "switch",
+		Aliases: []string{"sw"},
+		Short:   "Switch to a different cluster context",
+		Long:    "Switch to a different cluster context",
+		RunE:    clusterSwitch,
+		Args:    cobra.ExactArgs(1),
+	}
 )
 
 func init() {
 	// deployment root
 	RootCmd.AddCommand(clusterRootCmd)
 
-	// deployment create
 	clusterRootCmd.AddCommand(clusterListCmd)
+	clusterRootCmd.AddCommand(clusterSwitchCmd)
 
 }
 
 func clusterList(cmd *cobra.Command, args []string) error {
 	cluster.ListClusters()
 	return nil
 }
+
+func clusterSwitch(cmd *cobra.Command, args []string) error {
+	c := config.Cluster{Domain: args[0]}
+	return c.SwitchCluster()
+}