feat(helm): add 'helm get values --all' for all values

Add support for displaying computed configuration values. This is
useful for debugging.

cmd/helm/get.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/spf13/cobra"
 
+	"k8s.io/helm/pkg/chartutil"
 	"k8s.io/helm/pkg/helm"
 	"k8s.io/helm/pkg/timeconv"
 )
@@ -44,6 +45,8 @@ charts, those resources will also be included in the manifest.
 // If it is blank, output is sent to os.Stdout.
 var getOut = ""
 
+var allValues = false
+
 var errReleaseRequired = errors.New("release name is required")
 
 var getCommand = &cobra.Command{
@@ -69,7 +72,12 @@ var getManifestCommand = &cobra.Command{
 }
 
 func init() {
+	// 'get' command flags.
 	getCommand.PersistentFlags().StringVarP(&getOut, "file", "f", "", "output file")
+
+	// 'get values' flags.
+	getValuesCommand.PersistentFlags().BoolVarP(&allValues, "all", "a", false, "dump all (computed) values")
+
 	getCommand.AddCommand(getValuesCommand)
 	getCommand.AddCommand(getManifestCommand)
 	RootCommand.AddCommand(getCommand)
@@ -86,10 +94,21 @@ func getCmd(cmd *cobra.Command, args []string) error {
 		return prettyError(err)
 	}
 
+	cfg, err := chartutil.CoalesceValues(res.Release.Chart, res.Release.Config, nil)
+	if err != nil {
+		return err
+	}
+	cfgStr, err := cfg.YAML()
+	if err != nil {
+		return err
+	}
+
 	fmt.Printf("CHART: %s-%s\n", res.Release.Chart.Metadata.Name, res.Release.Chart.Metadata.Version)
 	fmt.Printf("RELEASED: %s\n", timeconv.Format(res.Release.Info.LastDeployed, time.ANSIC))
-	fmt.Println("CONFIG:")
+	fmt.Println("USER-SUPPLIED VALUES:")
 	fmt.Println(res.Release.Config.Raw)
+	fmt.Println("COMPUTED VALUES:")
+	fmt.Println(cfgStr)
 	fmt.Println("MANIFEST:")
 	fmt.Println(res.Release.Manifest)
 	return nil
@@ -105,7 +124,21 @@ func getValues(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return prettyError(err)
 	}
-	return getToFile(res.Release.Config)
+
+	// If the user wants all values, compute the values and return.
+	if allValues {
+		cfg, err := chartutil.CoalesceValues(res.Release.Chart, res.Release.Config, nil)
+		if err != nil {
+			return err
+		}
+		cfgStr, err := cfg.YAML()
+		if err != nil {
+			return err
+		}
+		return getToFile(cfgStr)
+	}
+
+	return getToFile(res.Release.Config.Raw)
 }
 
 // getManifest implements 'helm get manifest'

pkg/chartutil/values.go

@@ -20,6 +20,12 @@ const GlobalKey = "global"
 // Values represents a collection of chart values.
 type Values map[string]interface{}
 
+// YAML encodes the Values into a YAML string.
+func (v Values) YAML() (string, error) {
+	b, err := yaml.Marshal(v)
+	return string(b), err
+}
+
 // Table gets a table (YAML subsection) from a Values object.
 //
 // The table is returned as a Values.
@@ -113,7 +119,6 @@ func CoalesceValues(chrt *chart.Chart, vals *chart.Config, overrides map[string]
 	// Parse values if not nil. We merge these at the top level because
 	// the passed-in values are in the same namespace as the parent chart.
 	if vals != nil {
-		log.Printf("Merging overrides into config.")
 		evals, err := ReadValues([]byte(vals.Raw))
 		if err != nil {
 			return cvals, err