Add service account arg to create commands

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

cmd/flux/create_helmrelease.go

@@ -107,6 +107,7 @@ var (
 	hrTargetNamespace string
 	hrValuesFile      string
 	hrValuesFrom      flags.HelmReleaseValuesFrom
+	hrSAName          string
 )
 
 func init() {
@@ -116,6 +117,7 @@ func init() {
 	createHelmReleaseCmd.Flags().StringVar(&hrChartVersion, "chart-version", "", "Helm chart version, accepts a semver range (ignored for charts from GitRepository sources)")
 	createHelmReleaseCmd.Flags().StringArrayVar(&hrDependsOn, "depends-on", nil, "HelmReleases that must be ready before this release can be installed, supported formats '<name>' and '<namespace>/<name>'")
 	createHelmReleaseCmd.Flags().StringVar(&hrTargetNamespace, "target-namespace", "", "namespace to install this release, defaults to the HelmRelease namespace")
+	createHelmReleaseCmd.Flags().StringVar(&hrSAName, "service-account", "", "the name of the service account to impersonate when reconciling this HelmRelease")
 	createHelmReleaseCmd.Flags().StringVar(&hrValuesFile, "values", "", "local path to the values.yaml file")
 	createHelmReleaseCmd.Flags().Var(&hrValuesFrom, "values-from", hrValuesFrom.Description())
 	createCmd.AddCommand(createHelmReleaseCmd)
@@ -167,6 +169,10 @@ func createHelmReleaseCmdRun(cmd *cobra.Command, args []string) error {
 		},
 	}
 
+	if hrSAName != "" {
+		helmRelease.Spec.ServiceAccountName = hrSAName
+	}
+
 	if hrValuesFile != "" {
 		data, err := ioutil.ReadFile(hrValuesFile)
 		if err != nil {