From 11f31b68dd64599b8e15d9a5b9ce6c274c6e3185 Mon Sep 17 00:00:00 2001
From: Hiroshi Hatake <hatake@calyptia.com>
Date: Tue, 5 Dec 2023 16:29:10 +0900
Subject: [PATCH] in_node_exporter_metrics: Suppress error log when NVMe is not
 mounted in the node

Signed-off-by: Hiroshi Hatake <hatake@calyptia.com>
---
 plugins/in_node_exporter_metrics/ne_nvme_linux.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/plugins/in_node_exporter_metrics/ne_nvme_linux.c b/plugins/in_node_exporter_metrics/ne_nvme_linux.c
index 2e3eedc8b38..52000f33108 100644
--- a/plugins/in_node_exporter_metrics/ne_nvme_linux.c
+++ b/plugins/in_node_exporter_metrics/ne_nvme_linux.c
@@ -137,6 +137,13 @@ static int nvme_update(struct flb_ne *ctx)
         .firmware_revision = ""
     };
 
+    if (access(nvme_class_path, F_OK) == -1 &&
+        errno == ENOENT) {
+        flb_plg_debug(ctx->ins, "NVMe storage is not mounted");
+
+        return 0;
+    }
+
     mk_list_init(&nvme_class_list);
 
     ts = cfl_time_now();