runtime: do not truncate logs on reload (#2047)

cs3org · Sep 7, 2021 · 08f92a9 · 08f92a9
1 parent 183af2f
commit 08f92a9
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diff --git a/changelog/unreleased/fix-revad-logging.md b/changelog/unreleased/fix-revad-logging.md
@@ -0,0 +1,8 @@
+Bugfix: Do not truncate logs on restart
+
+This change fixes the way log files were opened.
+Before they were truncated and now the log file
+will be open in append mode and created it if it
+does not exist.
+
+https://github.com/cs3org/reva/pull/2047
diff --git a/cmd/revad/runtime/runtime.go b/cmd/revad/runtime/runtime.go
@@ -235,7 +235,7 @@ func getWriter(out string) (io.Writer, error) {
 		return os.Stdout, nil
 	}
 
-	fd, err := os.Create(out)
+	fd, err := os.OpenFile(out, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 	if err != nil {
 		err = errors.Wrap(err, "error creating log file: "+out)
 		return nil, err