1 files changed, 20 insertions, 0 deletions
diff --git a/roles/nagios_client/files/usr/lib64/nagios/plugins/check_systemd b/roles/nagios_client/files/usr/lib64/nagios/plugins/check_systemd
new file mode 100644
index 0000000..c7d83de
--- /dev/null
+++ b/roles/nagios_client/files/usr/lib64/nagios/plugins/check_systemd
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -Eeu -o pipefail
+
+trap 'exit 3' ERR
+
+failed_units=$(systemctl --state failed --no-legend --plain | cut -d' ' -f1)
+
+if [ -n "$failed_units" ]; then
+  echo "CRIT - failed units: ${failed_units// /, }"
+
+  for unit in $failed_units; do
+    sudo systemctl status -- "$unit" ||:
+  done
+
+  exit 2
+else
+  echo 'OK - all units healthy'
+  exit 0
+fi