Pass appdata directory by argument

Passing this as part of the configuration file is not flexible. With
args it can be easily tweaked for the debug use case while the default
path for production is included in the argument parsing.

1 files changed, 6 insertions, 3 deletions

diff --git a/main.go b/main.go
index 35bacc1..3264134 100644
--- a/main.go
+++ b/main.go
@@ -15,10 +15,11 @@ import (
 	"text/template"
 )
 
+var appdata string;
+
 type RuntimeConfig struct {
 	Devices DevicesConfig
 	Web     WebConfig
-	Appdata string
 }
 
 type DevicesConfig struct {
@@ -33,9 +34,9 @@ type WebConfig struct {
 func main() {
 	configPath := parseFlags()
 	c := parseConfig(configPath)
-	http.HandleFunc("/", index(c.Devices, c.Appdata))
+	http.HandleFunc("/", index(c.Devices, appdata))
 	http.HandleFunc("/api", api())
-	http.HandleFunc("/webiot.css", css(c.Appdata))
+	http.HandleFunc("/webiot.css", css(appdata))
 	fmt.Printf("Serving at http://%s\n", c.Web.Listen)
 	log.Fatal(http.ListenAndServe(c.Web.Listen.String(), nil))
 }
@@ -47,6 +48,8 @@ func parseFlags() string {
 
 	flag.StringVar(&r, "c", "/etc/webiot/config.json",
 		"path to configuration file")
+	flag.StringVar(&appdata, "a", "/usr/share/webiot",
+		"path to static application data")
 	flag.Parse()
 
 	return r