Add check command nginx_status

fixes #10374

Signed-off-by: Gunnar Beutner <gunnar@beutner.name>

doc/7-icinga-template-library.md

@@ -1923,6 +1923,28 @@ squid_client		| **Optional.** Path of squidclient (default: /usr/bin/squidclient
 squid_timeout		| **Optional.** Seconds before plugin times out (default: 15).
 
 
+### <a id="plugins-contrib-nginx_status"></a> nginx_status
+
+Plugin for monitoring [nginx_status](https://github.com/regilero/check_nginx_status).
+
+Custom attributes passed as [command parameters](3-monitoring-basics.md#command-passing-parameters):
+
+Name                    | Description
+------------------------|----------------------------------------------------------------------------------
+nginx_status_host_address		| **Optional.** The host's address. Defaults to "$address$" if the host's `address` attribute is set, `address6` otherwise.
+nginx_status_port		| **Optional.** the http port.
+nginx_status_url		| **Optional.** URL to use, instead of the default (http://`nginx_status_hostname`/nginx_status).
+nginx_status_servername		| **Optional.** ServerName to use if you specified an IP to match the good Virtualhost in your target
+nginx_status_ssl		| **Optional.** set to use ssl connection
+nginx_status_disable_sslverify		| **Optional.** set to disable SSL hostname verification
+nginx_status_user		| **Optional.** Username for basic auth
+nginx_status_pass		| **Optional.** Password for basic auth
+nginx_status_realm		| **Optional.** Realm for basic auth
+nginx_status_maxreach		| **Optional.** Number of max processes reached (since last check) that should trigger an alert
+nginx_status_timeout		| **Optional.** timeout in seconds
+nginx_status_warn		| **Optional.** Warning threshold (number of active connections, ReqPerSec or ConnPerSec that will cause a WARNING) like '10000,100,200'.
+nginx_status_critical		| **Optional.** Critical threshold (number of active connections, ReqPerSec or ConnPerSec that will cause a CRITICAL) like '20000,200,300'.
+
 ## <a id="plugins-contrib-operating-system"></a> Operating System
 
 In this category you can find plugins for gathering information about your operating system or the system beneath like memory usage.

itl/plugins-contrib.d/web.conf

@@ -248,3 +248,72 @@ object CheckCommand "squid" {
 	vars.squid_hostname = "$check_address$"
 	vars.squid_client = "/usr/bin/squidclient"
 }
+
+object CheckCommand "nginx_status" {
+		import "plugin-check-command"
+		import "ipv4-or-ipv6"
+
+		command = [ PluginContribDir + "/check_nginx_status.pl" ]
+
+		arguments = {
+				"--hostname" = {
+						value = "$nginx_status_host_address$"
+						description = "name or IP address of host to check"
+				}
+				"--port" = {
+						value = "$nginx_status_port$"
+						description = "the http port"
+				}
+				"--url" = {
+						value = "$nginx_status_url$"
+						description = "Specific URL to use, instead of the default 'http://<nginx_status_hostname>/nginx_status'"
+				}
+				"--servername" = {
+						value = "$nginx_status_servername$"
+						description = "ServerName, use it if you specified an IP in -H to match the good Virtualhost in your target"
+				}
+				"--ssl" = {
+						set_if = "$nginx_status_ssl$"
+						description = "Wether we should use HTTPS instead of HTTP"
+				}
+				"--disable-sslverifyhostname" = {
+						set_if = "$nginx_status_disable_sslverify$"
+						description = "Disable SSL hostname verification"
+				}
+				"--user" = {
+						value = "$nginx_status_user$"
+						description = "Username for basic auth"
+				}
+				"--pass" = {
+						value = "$nginx_status_pass$"
+						description = "Password for basic auth"
+				}
+				"--realm" = {
+						value = "$nginx_status_realm$"
+						description = "Realm for basic auth"
+				}
+				"--maxreach" = {
+						value = "$nginx_status_maxreach$"
+						description = "Number of max processes reached (since last check) that should trigger an alert"
+				}
+				"--timeout" = {
+						value = "$nginx_status_timeout$"
+						description = "timeout in seconds"
+				}
+				"--warn" = {
+						value = "$nginx_status_warn$"
+						description = "number of active connections, ReqPerSec or ConnPerSec that will cause a WARNING"
+				}
+				"--critical" = {
+						value = "$nginx_status_critical$"
+						description = "number of active connections, ReqPerSec or ConnPerSec that will cause a CRITICAL"
+				}
+		}
+
+		vars.nginx_status_host_address = "$check_address$"
+		vars.nginx_status_ssl = false
+		vars.nginx_status_disable_sslverify = false
+		vars.nginx_status_warn = "10000,100,200"
+		vars.nginx_status_critical = "20000,200,300"
+		vars.nginx_status_timeout = 15
+}