feat(helm): allow user to specify namespace

cmd/helm/helm.go

@@ -11,6 +11,9 @@ import (
 var stdout = os.Stdout
 var helmHome string
 
+// flagVerbose is a signal that the user wants additional output.
+var flagVerbose bool
+
 var globalUsage = `The Kubernetes package manager
 
 To begin working with Helm, run the 'helm init' command:
@@ -41,6 +44,7 @@ var RootCommand = &cobra.Command{
 
 func init() {
 	RootCommand.PersistentFlags().StringVar(&helmHome, "home", "$HOME/.helm", "location of you Helm files [$HELM_HOME]")
+	RootCommand.PersistentFlags().BoolVarP(&flagVerbose, "verbose", "v", false, "enable verbose output")
 }
 
 func main() {

cmd/helm/init.go

@@ -15,13 +15,15 @@ Kubernetes Cluster and sets up local configuration in $HELM_HOME (default: ~/.he
 `
 
 var (
-	tillerImg  string
-	clientOnly bool
+	tillerImg       string
+	clientOnly      bool
+	tillerNamespace string
 )
 
 func init() {
 	initCmd.Flags().StringVarP(&tillerImg, "tiller-image", "i", "", "override tiller image")
 	initCmd.Flags().BoolVarP(&clientOnly, "client-only", "c", false, "If set does not install tiller")
+	initCmd.Flags().StringVarP(&tillerNamespace, "namespace", "n", "helm", "set the tiller namespace")
 	RootCommand.AddCommand(initCmd)
 }
 
@@ -57,7 +59,8 @@ func runInit(cmd *cobra.Command, args []string) error {
 func installTiller() error {
 	i := client.NewInstaller()
 	i.Tiller["Image"] = tillerImg
-	err := i.Install()
+	i.Tiller["Namespace"] = tillerNamespace
+	err := i.Install(flagVerbose)
 
 	if err != nil {
 		return fmt.Errorf("error installing: %s", err)

pkg/client/install.go

@@ -2,6 +2,7 @@ package client
 
 import (
 	"bytes"
+	"fmt"
 	"text/template"
 
 	"github.com/Masterminds/sprig"
@@ -32,7 +33,7 @@ func NewInstaller() *Installer {
 //
 // Returns the string output received from the operation, and an error if the
 // command failed.
-func (i *Installer) Install() error {
+func (i *Installer) Install(verbose bool) error {
 
 	var b bytes.Buffer
 	err := template.Must(template.New("manifest").Funcs(sprig.TxtFuncMap()).
@@ -43,19 +44,23 @@ func (i *Installer) Install() error {
 		return err
 	}
 
+	if verbose {
+		fmt.Println(b.String())
+	}
+
 	return kube.New(nil).Create("helm", &b)
 }
 
 // InstallYAML is the installation YAML for DM.
 const InstallYAML = `
----
+---{{$namespace := default "helm" .Tiller.Namespace}}
 apiVersion: v1
 kind: Namespace
 metadata:
   labels:
     app: helm
     name: helm-namespace
-  name: helm
+  name: {{$namespace}}
 ---
 apiVersion: v1
 kind: ReplicationController
@@ -64,7 +69,7 @@ metadata:
     app: helm
     name: tiller
   name: tiller-rc
-  namespace: helm
+  namespace: {{$namespace}}
 spec:
   replicas: 1
   selector: