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--- сервис_nagios [2022/02/25 19:47]
val [Установка]
+++ сервис_nagios [2022/03/11 13:52] (current)
val [Настройка объектов мониторинга]
@@ Line 26: / Line 26: @@
   * [[https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/dependencies.html|Host and Service Dependencies]]
+  * [[https://www.zarrelli.org/blog/nagios-notification-escalations-made-easy/comment-page-1/|Nagios notification escalations made easy]]
 <code>
@@ Line 31: / Line 32: @@
 server# less /etc/nagios-plugins/config/http.cfg
-server# /usr/lib/nagios/plugins/check_mrtgtraf -F /var/www/html/mrtg/router_fa0_0.log -a MAX -w 100000,100000 -c 50000,50000
-server# less /etc/nagios-plugins/config/mrtg.cfg
 </code><code>
 server# cat /etc/nagios4/conf.d/corpX.cfg
@@ Line 132: / Line 129: @@
         use                     my-templ-service-ping
         host_name               switch3
+}
+#--- For next labs ---
+define host{
+        use             my-templ-host
+        host_name       cisco-router
+        alias           Cisco 7200
+        address         router
 }
 </code>
@@ Line 137: / Line 143: @@
 ==== Тестирование конфигурации и запуск ====
-  * [[http://server/nagios4/]]
+  * [[http://192.168.X.10/nagios4/]]
 <code>
@@ Line 201: / Line 207: @@
 <code>
+# mkdir /usr/var
 # /usr/lib/nagios/plugins/check_snmp -H router -C public -o ifInOctets.2,ifOutOctets.2 --rate -w 62500,62500 -c 125000,125000
-# rm -r /usr/var/*
+# chown -R nagios:nagios /usr/var/
-# chown -R nagios /usr/var/
 </code>
@@ Line 217: / Line 223: @@
         command_name check_snmp_band
         command_line $USER1$/check_snmp --rate -H $HOSTADDRESS$ -C $ARG1$ -o $ARG2$ -w $ARG3$ -c $ARG4$
-}
-define host{
-        use             my-templ-host
-        host_name       cisco-router
-        alias           Cisco 7200
-        address         router
 }
@@ Line 231: / Line 230: @@
         service_description     int LAN bandwidth
         check_command check_snmp_band!public!ifInOctets.2,ifOutOctets.2!62500,62500!125000,125000
+#        check_command check_snmp_band!public!ifInOctets.5,ifOutOctets.5!62500,62500!125000,125000
 }
 </code>
-===== Использование plugin check_snmp_int =====
+===== Интеграция с MRTG =====
-==== Установка plugin ====
+  * [[https://www.monitoring-plugins.org/doc/man/check_mrtg.html|The check_mrtg Plugin]]
+  * [[https://www.monitoring-plugins.org/doc/man/check_mrtgtraf.html|The check_mrtgtraf Plugin]]
-=== Debian/Ubuntu ===
 <code>
-root@server:~# apt install nagios-snmp-plugins
+server# /usr/lib/nagios/plugins/check_mrtgtraf -F /var/www/html/mrtg/router_fa0_0.log -a MAX -w 125000,125000 -c 62500,62500 -e 10
-root@server:~# cd /usr/lib/nagios/plugins
+server# less /etc/nagios4/objects/commands.cfg
-</code>
-==== Тестирование plugin ====
+server# /usr/lib/nagios/plugins/check_mrtg -F /var/www/html/mrtg/dhcp-stat.log -a MAX -v 2 -w 6 -c 8
-По умолчанию значения в KBytes/s
+server# cat corpX.cfg
+</code><code>
-=== FreeBSD/Ubuntu ===
-<code>
-# ./check_snmp_int.pl -H router -C public -n FastEthernet1/0 -k -w 10,10 -c 100,100
-# ./check_snmp_int.pl --help
 ...
--k, --perfcheck ; -q, --extperfcheck
-   -k check the input/ouput bandwidth of the interface
-   -q also check the error and discard input/output
--w, --warning=input,output[,error in,error out,discard in,discard out]
+# --- int WAN bandwidth MRTG ---
-   warning level for input / output bandwidth (0 for no warning)
-     unit depends on B,M,G,u options
-   warning for error & discard input / output in error/min (need -q)
--c, --critical=input,output[,error in,error out,discard in,discard out]
+define service{
-   critical level for input / output bandwidth (0 for no critical)
+        use                     generic-service
-     unit depends on B,M,G,u options
+        host_name               cisco-router
-   critical for error & discard input / output in error/min (need -q)
+        service_description     int WAN bandwidth MRTG
-...
+        check_command check_local_mrtgtraf!/var/www/html/mrtg/router_fa0_0.log!AVG!62500,62500!125000,125000!10
-</code>
+}
-=== Ubuntu ===
+# --- check dhcp stat ---
-<code>
-# cat /tmp/tmp_Nagios_int.router.FastEthernet1_0
-# rm /tmp/tmp_Nagios_int.router.*
-</code>
-==== Настройка nagios на использование plugin ====
-=== FreeBSD/Ubuntu ===
-<code>
-server# cat corpX.cfg
-</code><code>
-...
 define command {
-        command_name check_snmp_int_band
+        command_name my-check_mrtg
-        command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ -C $ARG1$ -n $ARG2$ -k -w $ARG3$ -c $ARG4$
+        command_line $USER1$/check_mrtg -F $ARG1$ -a $ARG2$ -v $ARG3$ -w $ARG4$ -c $ARG5$
 }
@@ Line 293: / Line 269: @@
         use                     generic-service
         host_name               cisco-router
-        service_description     int_if_bandwidth
+        service_description     check dhcp stat
-        check_command check_snmp_int_band!public!FastEthernet1/0!10,10!100,100
+        check_command           my-check_mrtg!/var/www/html/mrtg/dhcp-stat.log!MAX!2!6!8
 }
-</code>
-===== Интеграция с MRTG =====
-  * [[https://www.experts-exchange.com/questions/27056704/how-to-enable-MRTG-in-nagios.html|how to enable MRTG in nagios]]
-<code>
-# /usr/local/libexec/nagios/check_mrtg -h
-# /usr/local/libexec/nagios/check_mrtgtraf -h
 </code>
@@ Line 318: / Line 284: @@
 #CMD='rsh router show ip dhcp binding | grep 192.168 | wc -l'
-#MAX=99
+#MAX=9
 #CUR=`eval $CMD`
@@ Line 351: / Line 317: @@
   * [[https://www.itstuff.info/linux_unix/install-web-interface-nagvis-for-nagios/|Установка Web-интерфейса NagVis для системы мониторинга Nagios]]
+===== Дополнительные материалы =====
+==== Использование plugin check_snmp_int ====
+=== Установка plugin ===
+== Debian/Ubuntu ==
+<code>
+root@server:~# apt install nagios-snmp-plugins
+root@server:~# cd /usr/lib/nagios/plugins
+</code>
+=== Тестирование plugin ===
+По умолчанию значения в KBytes/s
+== FreeBSD/Ubuntu ==
+<code>
+# ./check_snmp_int.pl -H router -C public -n FastEthernet1/0 -k -w 10,10 -c 100,100
+# ./check_snmp_int.pl --help
+...
+-k, --perfcheck ; -q, --extperfcheck
+   -k check the input/ouput bandwidth of the interface
+   -q also check the error and discard input/output
+-w, --warning=input,output[,error in,error out,discard in,discard out]
+   warning level for input / output bandwidth (0 for no warning)
+     unit depends on B,M,G,u options
+   warning for error & discard input / output in error/min (need -q)
+-c, --critical=input,output[,error in,error out,discard in,discard out]
+   critical level for input / output bandwidth (0 for no critical)
+     unit depends on B,M,G,u options
+   critical for error & discard input / output in error/min (need -q)
+...
+</code>
+== Ubuntu ==
+<code>
+# cat /tmp/tmp_Nagios_int.router.FastEthernet1_0
+# rm /tmp/tmp_Nagios_int.router.*
+</code>
+=== Настройка nagios на использование plugin ===
+== FreeBSD/Ubuntu ==
+<code>
+server# cat corpX.cfg
+</code><code>
+...
+define command {
+        command_name check_snmp_int_band
+        command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ -C $ARG1$ -n $ARG2$ -k -w $ARG3$ -c $ARG4$
+}
+define service{
+        use                     generic-service
+        host_name               cisco-router
+        service_description     int_if_bandwidth
+        check_command check_snmp_int_band!public!FastEthernet1/0!10,10!100,100
+}
+</code>

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