in_tail: rerun glob without GLOB_ERR if there is permission error

Signed-off-by: Kyosuke Kariya <[email protected]>

Author: kyo-ke

plugins/in_tail/tail_scan_glob.c

@@ -205,6 +205,11 @@ static int tail_scan_path(const char *path, struct flb_tail_config *ctx)
 
     /* Scan the given path */
     ret = do_glob(path, GLOB_TILDE | GLOB_ERR, NULL, &globbuf);
+    if (ret == GLOB_ABORTED) {
+        flb_plg_warn(ctx->ins, "read error, check permissions: %s", path);
+        globfree(&globbuf);
+        ret = do_glob(path, GLOB_TILDE, NULL, &globbuf);
+    }
     if (ret != 0) {
         switch (ret) {
         case GLOB_NOSPACE: