filer watch "/etc" folder for configuration changes

weed/filer/filer_on_meta_event.go

@@ -0,0 +1,21 @@
+package filer
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+)
+
+const (
+	DirectoryEtc = "/etc"
+)
+
+// onMetadataChangeEvent is triggered after filer processed change events from local or remote filers
+func (f *Filer) onMetadataChangeEvent(event *filer_pb.SubscribeMetadataResponse) {
+	if DirectoryEtc != event.Directory {
+		return
+	}
+
+	glog.V(0).Infof("procesing %v", event)
+
+
+}