feat(*): add disable hooks flag to `helm upgrade`

_proto/hapi/services/tiller.proto

@@ -162,6 +162,9 @@ message UpdateReleaseRequest {
 	hapi.chart.Config values = 3;
 	// dry_run, if true, will run through the release logic, but neither create
 	bool dry_run = 4;
+
+	// DisableHooks causes the server to skip running any hooks for the upgrade.
+	bool disable_hooks = 5;
 }
 
 // UpdateReleaseResponse is the response to an update request.

cmd/helm/upgrade.go

@@ -34,12 +34,13 @@ argument can be a relative path to a packaged or unpackaged chart.
 `
 
 type upgradeCmd struct {
-	release    string
-	chart      string
-	out        io.Writer
-	client     helm.Interface
-	dryRun     bool
-	valuesFile string
+	release      string
+	chart        string
+	out          io.Writer
+	client       helm.Interface
+	dryRun       bool
+	disableHooks bool
+	valuesFile   string
 }
 
 func newUpgradeCmd(client helm.Interface, out io.Writer) *cobra.Command {
@@ -70,6 +71,7 @@ func newUpgradeCmd(client helm.Interface, out io.Writer) *cobra.Command {
 	f := cmd.Flags()
 	f.StringVarP(&upgrade.valuesFile, "values", "f", "", "path to a values YAML file")
 	f.BoolVar(&upgrade.dryRun, "dry-run", false, "simulate an upgrade")
+	f.BoolVar(&upgrade.disableHooks, "disable-hooks", false, "disable pre/post upgrade hooks")
 
 	return cmd
 }
@@ -88,7 +90,7 @@ func (u *upgradeCmd) run() error {
 		}
 	}
 
-	_, err = u.client.UpdateRelease(u.release, chartPath, helm.UpdateValueOverrides(rawVals), helm.UpgradeDryRun(u.dryRun))
+	_, err = u.client.UpdateRelease(u.release, chartPath, helm.UpdateValueOverrides(rawVals), helm.UpgradeDryRun(u.dryRun), helm.UpgradeDisableHooks(u.disableHooks))
 	if err != nil {
 		return prettyError(err)
 	}

pkg/helm/option.go

@@ -143,6 +143,13 @@ func DeleteDryRun(dry bool) DeleteOption {
 	}
 }
 
+// UpgradeDisableHooks will disable hooks for an upgrade operation.
+func UpgradeDisableHooks(disable bool) UpdateOption {
+	return func(opts *options) {
+		opts.disableHooks = disable
+	}
+}
+
 // UpgradeDryRun will (if true) execute an upgrade as a dry run.
 func UpgradeDryRun(dry bool) UpdateOption {
 	return func(opts *options) {