add flag for config

add note to readme

README.md

@@ -23,7 +23,8 @@ kubectl apply -f deploy/all.yaml
 
 ## Options
 
-* `dashboard` Runs the webserver for Fairwinds dashboard.
+* `config`: Specify a location for the Fairwinds config
+* `dashboard`: Runs the webserver for Fairwinds dashboard.
 * `dashboard-port`: Port for the dashboard webserver (default 8080)
 * `webhook`: Runs the webhook webserver.
 * `webhook-port`: Port for the webhook webserver (default 9876)

main.go

@@ -51,16 +51,17 @@ func main() {
 	dashboardPort := flag.Int("dashboard-port", 8080, "Port for the dashboard webserver")
 	webhookPort := flag.Int("webhook-port", 9876, "Port for the webhook webserver")
 	auditDestination := flag.String("audit-destination", "", "Destination URL to send audit results (prints to stdout if unspecified)")
+	configPath := flag.String("config", "config.yaml", "Location of Fairwinds configuration file")
 
 	var disableWebhookConfigInstaller bool
 	flag.BoolVar(&disableWebhookConfigInstaller, "disable-webhook-config-installer", false,
 		"disable the installer in the webhook server, so it won't install webhook configuration resources during bootstrapping")
 
 	flag.Parse()
 
-	c, err := conf.ParseFile("config.yaml")
+	c, err := conf.ParseFile(*configPath)
 	if err != nil {
-		glog.Println("Error parsing config.yaml:", err)
+		glog.Println("Error parsing config at " + *configPath, err)
 		os.Exit(1)
 	}