read event config maybe works

Signed-off-by: Jeff Carr <jcarr@wit.com>

config.go

@@ -29,6 +29,24 @@ func WriteConfig(d *Droplets, h *Hypervisors, e *Events) bool {
 	return true
 }
 
+// read in events.json
+func ReadEventsConfig() (*Events, error) {
+	e := new(Events)
+	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), "events.json")
+	data, err := os.ReadFile(fullname)
+	if err != nil {
+		// log.Info("open config file :", err)
+		return nil, err
+	}
+	err = e.UnmarshalJSON(data)
+	if err != nil {
+		// log.Info("read json failed", err)
+		return nil, err
+	}
+
+	return e, nil
+}
+
 // export as json
 func (e *Events) WriteConfigJSON() bool {
 	fullname := filepath.Join(os.Getenv("VIRTIGO_HOME"), "events.json")