don't parse empty Retry-After header

canonical · Aug 17, 2023 · eb38985 · eb38985
1 parent 8d68852
commit eb38985
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/internals/overlord/logstate/loki/loki.go b/internals/overlord/logstate/loki/loki.go
@@ -195,6 +195,10 @@ func (c *Client) handleServerResponse(resp *http.Response) error {
 // Gets the parsed value of Retry-After from HTTP response headers.
 func getRetryAfter(resp *http.Response) (time.Time, bool) {
 	retryAfterRaw := resp.Header.Get("Retry-After")
+	if retryAfterRaw == "" {
+		// Header unset
+		return time.Time{}, false
+	}
 
 	// The Retry-After value can be a date-time
 	t, err := http.ParseTime(retryAfterRaw)