Always use Location UTC for pem.Files modification time.

pkg/pem/pem.go

@@ -133,7 +133,7 @@ func NewFiles(base string, gid int, crtGetter *crt.Getter) (*Files, error) {
 		Files:     make(map[string]*File),
 		mtx:       new(sync.RWMutex),
 		crtGetter: crtGetter,
-		mtime:     time.Now(),
+		mtime:     time.Now().UTC(),
 	}
 	if gid >= 0 {
 		files.Gid = gid
@@ -337,7 +337,7 @@ func (pemfiles *Files) Write(
 	pemfile.ModTime = info.ModTime()
 	pemfile.Hash = sha512.Sum512(pem)
 	pemfiles.Files[ns+"/"+name] = pemfile
-	pemfiles.mtime = time.Now()
+	pemfiles.mtime = time.Now().UTC()
 	return found, valid, nil
 }
 
@@ -368,7 +368,7 @@ func (pemfiles *Files) Delete(namespace, name string) (bool, error) {
 		return !os.IsNotExist(err), err
 	}
 	delete(pemfiles.Files, key)
-	pemfiles.mtime = time.Now()
+	pemfiles.mtime = time.Now().UTC()
 	return true, nil
 }