From c6dd6a092c3692af8434e29ad58af0bbcbc40627 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Fri, 22 Oct 2021 18:38:10 +0200
Subject: [PATCH] ITL: add check_linux_netdev

---
 doc/10-icinga-template-library.md             | 13 ++++++++++++
 itl/plugins-contrib.d/network-components.conf | 21 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index dc3ff5df7..a490c47a9 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -3198,6 +3198,19 @@ interfaces_timeout        | **Optional.** Sets the SNMP timeout (in ms).
 interfaces_sleep          | **Optional.** Sleep between every SNMP query (in ms).
 interfaces_names          | **Optional.** If set to true, use ifName instead of ifDescr.
 
+#### linux\_netdev <a id="plugin-contrib-command-linux_netdev"></a>
+
+The [check\_linux\_netdev](https://github.com/Al2Klimov/check_linux_netdev)
+plugin monitors a Linux system's network device statistics via `/proc/net/dev`.
+
+Custom variables passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):
+
+Name                      | Description
+--------------------------|---------------------------------------------------------
+linux\_netdev\_duration   | **Optional.** For how long to run. E.g. "10s" or "2m". Default: "1m"
+linux\_netdev\_exclude    | **Optional.** Which NICs to exclude. E.g. `eth0` or `eth?*`, may be an array. Default: none
+linux\_netdev\_thresholds | **Optional.** Warning and critical thresholds. E.g. `eth?*:tx:bytes:persec:w=1000000000` (see [plugin documentation](https://github.com/Al2Klimov/check_linux_netdev#usage)), may be an array. Default: none
+
 #### nwc_health <a id="plugin-contrib-command-nwc_health"></a>
 
 The [check_nwc_health](https://labs.consol.de/de/nagios/check_nwc_health/index.html) plugin
diff --git a/itl/plugins-contrib.d/network-components.conf b/itl/plugins-contrib.d/network-components.conf
index c33be561b..c7bcacca8 100644
--- a/itl/plugins-contrib.d/network-components.conf
+++ b/itl/plugins-contrib.d/network-components.conf
@@ -488,6 +488,27 @@ object CheckCommand "interfaces" {
 	vars.interfaces_match_aliases = false
 }
 
+object CheckCommand "linux_netdev" {
+	command = [ PluginContribDir + "/check_linux_netdev" ]
+
+	arguments = {
+		"-d" = {
+			value = "$linux_netdev_duration$"
+			description = "For how long to run. E.g. '10s' or '2m'. Default: '1m'"
+		}
+		"-e" = {
+			value = "$linux_netdev_exclude$"
+			description = "Which NICs to exclude. E.g. 'eth0' or 'eth?*', may be an array. Default: none"
+		}
+		"INTERFACE:METRIC:THRESHOLD=RANGE" = {
+			order = 1
+			skip_key = true
+			value = "$linux_netdev_thresholds$"
+			description = "Warning and critical thresholds. E.g. 'eth?*:tx:bytes:persec:w=1000000000' (see https://github.com/Al2Klimov/check_linux_netdev#usage), may be an array. Default: none"
+		}
+	}
+}
+
 object CheckCommand "nwc_health" {
 	import "ipv4-or-ipv6"