feat(list): add list command

cmd/helm.go

@@ -17,6 +17,16 @@ func main() {
 	app.Usage = `Deploy and manage packages.`
 	app.Commands = commands()
 
+	// TODO: make better
+	app.Flags = []cli.Flag{
+		cli.StringFlag{
+			Name:   "host,u",
+			Usage:  "The URL of the DM server.",
+			EnvVar: "HELM_HOST",
+			Value:  "https://localhost:8181/FIXME_NOT_RIGHT",
+		},
+	}
+
 	app.Run(os.Args)
 }
 
@@ -89,7 +99,7 @@ func commands() []cli.Command {
 					d.Input = os.Stdin
 				}
 
-				if err := deploy(d, c.String("host"), c.Bool("dry-run")); err != nil {
+				if err := deploy(d, c.GlobalString("host"), c.Bool("dry-run")); err != nil {
 					format.Error("%s (Try running 'helm doctor')", err)
 					os.Exit(1)
 				}
@@ -119,16 +129,11 @@ func commands() []cli.Command {
 					Usage: "The default repository",
 					Value: "kubernetes/application-dm-templates",
 				},
-				cli.StringFlag{
-					Name:   "host,u",
-					Usage:  "The URL of the DM server.",
-					EnvVar: "HELM_HOST",
-					Value:  "https://localhost:8181/FIXME_NOT_RIGHT",
-				},
 			},
 		},
 		{
 			Name: "search",
 		},
+		listCmd(),
 	}
 }

cmd/list.go

+package main
+
+import (
+	"os"
+
+	"github.com/codegangsta/cli"
+	"github.com/deis/helm-dm/dm"
+	"github.com/deis/helm-dm/format"
+)
+
+func listCmd() cli.Command {
+	return cli.Command{
+		Name:  "list",
+		Usage: "Lists the deployments in the cluster",
+		Action: func(c *cli.Context) {
+			if err := list(c.GlobalString("host")); err != nil {
+				format.Error("%s (Is the cluster running?)", err)
+				os.Exit(1)
+			}
+		},
+	}
+}
+
+func list(host string) error {
+	client := dm.NewClient(host)
+	client.Protocol = "http"
+	return client.ListDeployments()
+}

dm/client.go

@@ -96,3 +96,13 @@ func (c *Client) callHttp(path, method, action string, reader io.ReadCloser) (st
 
 	return string(body), nil
 }
+
+func (c *Client) ListDeployments() error {
+	var d interface{}
+	if err := c.CallService("deployments", "GET", "foo", &d, nil); err != nil {
+		return err
+	}
+
+	fmt.Printf("%#v\n", d)
+	return nil
+}