From 66d2e968a9ed22952bb62d053fa79108e7d4e0c6 Mon Sep 17 00:00:00 2001
From: BarbUk <julien.virey@gmail.com>
Date: Fri, 28 Jun 2019 16:37:56 +0400
Subject: [PATCH] Add memcached CheckCommand definition

---
 doc/10-icinga-template-library.md    | 21 +++++++++++
 itl/plugins-contrib.d/databases.conf | 56 ++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)

diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index 23ae6ab46..19bea7b4c 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -2559,6 +2559,27 @@ proxysql_critical            | **Optional.** Critical threshold
 proxysql\_include\_hostgroup | **Optional.** ProxySQL hostgroup(s) to include (only applies to '--type hg' checks, accepts comma-separated list)
 proxysql\_ignore\_hostgroup  | **Optional.** ProxySQL hostgroup(s) to ignore (only applies to '--type hg' checks, accepts comma-separated list)
 
+#### memcached <a id="plugin-contrib-command-memcached"></a>
+
+The [check_memcached](https://packages.debian.org/stretch/nagios-plugins-contrib) plugin
+is provided by the `nagios-plugin-contrib` package on Debian/Ubuntu.
+
+Custom attributes passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):
+
+Name                            | Description
+--------------------------------|----------------------------------------------------------------------------------
+memcached_hostname              | **Required.** Hostname or IP address (required) optional ':port' overrides -p
+memcached_port                  | **Optional.** Port number (default: 11211)
+memcached_verbose               | **Optional.** verbose messages
+memcached_keep                  | **Optional.** Keep up to this many items in the history object in memcached (default: 30)
+memcached_minimum_stat_interval | **Optional.** Minimum time interval (in minutes) to use to analyse stats. (default: 30)
+memcached_warning_hits_misses   | **Optional.** Generate warning if quotient of hits/misses falls below this value (default: 2.0)
+memcached_warning_evictions     | **Optional.** Generate warning if number of evictions exceeds this threshold. 0=disable. (default: 10)
+memcached_timeout               | **Optional.** timeout in seconds (default: 1.0)
+memcached_key                   | **Optional.** key name for history object (default: check_memcached)
+memcached_expiry                | **Optional.** expiry time in seconds for history object (default: 7200)
+memcached_performance_output    | **Optional.** output performance statistics as rate-per-minute figures (better suited to pnp4nagios)
+
 ### Hardware <a id="plugin-contrib-hardware"></a>
 
 This category includes all plugin check commands for various hardware checks.
diff --git a/itl/plugins-contrib.d/databases.conf b/itl/plugins-contrib.d/databases.conf
index a9671eb81..b8b9c2052 100644
--- a/itl/plugins-contrib.d/databases.conf
+++ b/itl/plugins-contrib.d/databases.conf
@@ -886,3 +886,59 @@ object CheckCommand "proxysql" {
 		}
 	}
 }
+
+object CheckCommand "memcached" {
+	command = [ PluginDir + "/check_memcached" ]
+
+	arguments = {
+		"-H" = {
+			value = "$memcached_hostname$"
+			required = true
+			description = "Hostname or IP address (required) optional ':port' overrides -p"
+		}
+		"-p" = {
+			value = "$memcached_port$"
+			description = "Port number (default: 11211)"
+		}
+		"-v" = {
+			set_if = "$memcached_verbose$"
+			description = "verbose messages"
+		}
+		"-n" = {
+			value = "$memcached_keep$"
+			description = "Keep up to this many items in the history object in memcached (default: 30)"
+		}
+		"-T" = {
+			value = "$memcached_minimum_stat_interval$"
+			description = "Minimum time interval (in minutes) to use to analyse stats. (default: 30)"
+		}
+		"-w" = {
+			value = "$memcached_warning_hits_misses$"
+			description = "Generate warning if quotient of hits/misses falls below this value (default: 2.0)"
+		}
+		"-E" = {
+			value = "$memcached_warning_evictions$"
+			description = "Generate warning if number of evictions exceeds this threshold. 0=disable. (default: 10)"
+		}
+		"-t" = {
+			value = "$memcached_timeout$"
+			description = "timeout in seconds (default: 1.0)"
+		}
+		"-k" = {
+			value = "$memcached_key$"
+			description = "key name for history object (default: check_memcached)"
+		}
+		"-K" = {
+			value = "$memcached_expiry$"
+			description = "expiry time in seconds for history object (default: 7200)"
+		}
+		"-r" = {
+			set_if = "$memcached_performance_output$"
+			description = "output performance statistics as rate-per-minute figures (better suited to pnp4nagios)"
+		}
+	}
+
+	vars.memcached_hostname = "127.0.0.1"
+	vars.memcached_minimum_stat_interval = "10"
+	vars.memcached_performance_output = true
+}