baetyl-225 add HeaderKey (#227)

spec/v1/module.go

@@ -6,4 +6,5 @@ const (
 	BaetylBroker   = "baetyl-broker"
 	BaetylFunction = "baetyl-function"
 	BaetylRule     = "baetyl-rule"
+	BaetylAgent    = "baetyl-agent"
 )

spec/v1/object.go

@@ -0,0 +1,7 @@
+package v1
+
+const (
+	HeaderKeyObjectUnpack = "baetyl-object-unpack"
+	HeaderKeyObjectMD5    = "baetyl-object-md5"
+	HeaderKeyObjectDir    = "baetyl-object-dir"
+)

utils/flock.go

@@ -35,5 +35,8 @@ func Flock(file *os.File, timeout time.Duration) error {
 }
 
 func Funlock(file *os.File) error {
-	return syscall.Flock(int(file.Fd()), syscall.LOCK_UN)
+	if file != nil {
+		return syscall.Flock(int(file.Fd()), syscall.LOCK_UN)
+	}
+	return os.ErrNotExist
 }