From 663b0e94da313e6d6414992b28fbfa2b934fae08 Mon Sep 17 00:00:00 2001
From: Ilya Kisleyko <osterik@gmail.com>
Date: Wed, 20 May 2020 20:04:32 +0300
Subject: [PATCH] check free space for all mountpoints

---
 _data/rules.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/_data/rules.yml b/_data/rules.yml
index c60ab90..a98290e 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -145,8 +145,11 @@ groups:
                 severity: warning
               - name: Host out of disk space
                 description: Disk is almost full (< 10% left)
-                query: '(node_filesystem_avail_bytes{mountpoint="/rootfs"}  * 100) / node_filesystem_size_bytes{mountpoint="/rootfs"} < 10'
+                query: '(node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10'
                 severity: warning
+                comments: |
+                  please add ignored mountpoints in node_exporter parameters like
+                  "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)"
               - name: Host disk will fill in 4 hours
                 description: Disk will fill in 4 hours at current write rate
                 query: 'predict_linear(node_filesystem_free_bytes{fstype!~"tmpfs"}[1h], 4 * 3600) < 0'