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сервис_nagios [2022/02/25 20:36] val [Интеграция с MRTG] |
сервис_nagios [2022/03/05 11:00] val [Настройка объектов мониторинга] |
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* [[https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/dependencies.html|Host and Service Dependencies]] | * [[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> | <code> | ||
Line 201: | Line 202: | ||
# /usr/lib/nagios/plugins/check_snmp -H router -C public -o ifInOctets.2,ifOutOctets.2 --rate -w 62500,62500 -c 125000,125000 | # /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> | </code> | ||
Line 229: | Line 228: | ||
service_description int LAN bandwidth | 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.2,ifOutOctets.2!62500,62500!125000,125000 | ||
+ | # check_command check_snmp_band!public!ifInOctets.5,ifOutOctets.5!62500,62500!125000,125000 | ||
} | } | ||
</code> | </code> | ||
Line 238: | Line 238: | ||
<code> | <code> | ||
- | server# /usr/lib/nagios/plugins/check_mrtgtraf -F /var/www/html/mrtg/router_fa0_0.log -a MAX -w 100000,100000 -c 50000,50000 -e 10 | + | 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 |
server# less /etc/nagios4/objects/commands.cfg | server# less /etc/nagios4/objects/commands.cfg | ||
+ | |||
+ | server# /usr/lib/nagios/plugins/check_mrtg -F /var/www/html/mrtg/dhcp-stat.log -a MAX -v 2 -w 6 -c 8 | ||
+ | |||
+ | server# cat corpX.cfg | ||
+ | </code><code> | ||
+ | ... | ||
+ | define service{ | ||
+ | use generic-service | ||
+ | host_name cisco-router | ||
+ | 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 | ||
+ | } | ||
+ | |||
+ | define command { | ||
+ | command_name my-check_mrtg | ||
+ | command_line $USER1$/check_mrtg -F $ARG1$ -a $ARG2$ -v $ARG3$ -w $ARG4$ -c $ARG5$ | ||
+ | } | ||
+ | |||
+ | define service{ | ||
+ | use generic-service | ||
+ | host_name cisco-router | ||
+ | service_description check dhcp stat | ||
+ | check_command my-check_mrtg!/var/www/html/mrtg/dhcp-stat.log!MAX!2!6!8 | ||
+ | } | ||
</code> | </code> | ||
- | ===== Использование plugin check_snmp_int ===== | + | ===== Использование скриптов ===== |
- | ==== Установка plugin ==== | + | * [[https://www.howtoforge.com/tutorial/write-a-custom-nagios-check-plugin/|How to Write a Custom Nagios Check Plugin]] |
- | === Debian/Ubuntu === | + | <code> |
+ | # cat /etc/nagios-dhcp-stat.sh | ||
+ | </code><code> | ||
+ | #!/bin/sh | ||
+ | |||
+ | #CMD='rsh router show ip dhcp binding | grep 192.168 | wc -l' | ||
+ | #MAX=9 | ||
+ | #CUR=`eval $CMD` | ||
+ | |||
+ | #CMD='/usr/bin/dhcpd-pools -l /var/lib/dhcp/dhcpd.leases -c /etc/dhcp/dhcpd.conf -f c | grep 192.168.X.' | ||
+ | #CMD='/usr/local/bin/dhcpd-pools -l /var/db/dhcpd/dhcpd.leases -c /usr/local/etc/dhcpd.conf -f c | grep 192.168.X.' | ||
+ | #MAX=`eval $CMD | cut -d'"' -f8` | ||
+ | #CUR=`eval $CMD | cut -d'"' -f10` | ||
+ | |||
+ | echo CUR:$CUR MAX:$MAX | ||
+ | |||
+ | test $CUR -eq $MAX && exit 2 | ||
+ | |||
+ | exit 0 | ||
+ | </code><code> | ||
+ | # cat corpX.cfg | ||
+ | </code><code> | ||
+ | ... | ||
+ | define command { | ||
+ | command_name check_dhcp_stat | ||
+ | command_line /etc/nagios-dhcp-stat.sh | ||
+ | } | ||
+ | |||
+ | define service{ | ||
+ | use generic-service | ||
+ | host_name localhost | ||
+ | service_description check dhcp stat | ||
+ | check_command check_dhcp_stat | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ===== Установка Web-интерфейса Nagios ===== | ||
+ | |||
+ | * [[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> | <code> | ||
root@server:~# apt install nagios-snmp-plugins | root@server:~# apt install nagios-snmp-plugins | ||
Line 254: | Line 324: | ||
</code> | </code> | ||
- | ==== Тестирование plugin ==== | + | === Тестирование plugin === |
По умолчанию значения в KBytes/s | По умолчанию значения в KBytes/s | ||
- | === FreeBSD/Ubuntu === | + | == FreeBSD/Ubuntu == |
<code> | <code> | ||
# ./check_snmp_int.pl -H router -C public -n FastEthernet1/0 -k -w 10,10 -c 100,100 | # ./check_snmp_int.pl -H router -C public -n FastEthernet1/0 -k -w 10,10 -c 100,100 | ||
Line 280: | Line 350: | ||
</code> | </code> | ||
- | === Ubuntu === | + | == Ubuntu == |
<code> | <code> | ||
# cat /tmp/tmp_Nagios_int.router.FastEthernet1_0 | # cat /tmp/tmp_Nagios_int.router.FastEthernet1_0 | ||
Line 287: | Line 357: | ||
</code> | </code> | ||
- | ==== Настройка nagios на использование plugin ==== | + | === Настройка nagios на использование plugin === |
- | === FreeBSD/Ubuntu === | + | == FreeBSD/Ubuntu == |
<code> | <code> | ||
server# cat corpX.cfg | server# cat corpX.cfg | ||
Line 306: | Line 376: | ||
} | } | ||
</code> | </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> | ||
- | |||
- | ===== Использование скриптов ===== | ||
- | |||
- | * [[https://www.howtoforge.com/tutorial/write-a-custom-nagios-check-plugin/|How to Write a Custom Nagios Check Plugin]] | ||
- | |||
- | <code> | ||
- | # cat /etc/nagios-dhcp-stat.sh | ||
- | </code><code> | ||
- | #!/bin/sh | ||
- | |||
- | #CMD='rsh router show ip dhcp binding | grep 192.168 | wc -l' | ||
- | #MAX=99 | ||
- | #CUR=`eval $CMD` | ||
- | |||
- | #CMD='/usr/bin/dhcpd-pools -l /var/lib/dhcp/dhcpd.leases -c /etc/dhcp/dhcpd.conf -f c | grep 192.168.X.' | ||
- | #CMD='/usr/local/bin/dhcpd-pools -l /var/db/dhcpd/dhcpd.leases -c /usr/local/etc/dhcpd.conf -f c | grep 192.168.X.' | ||
- | #MAX=`eval $CMD | cut -d'"' -f8` | ||
- | #CUR=`eval $CMD | cut -d'"' -f10` | ||
- | |||
- | echo CUR:$CUR MAX:$MAX | ||
- | |||
- | test $CUR -eq $MAX && exit 2 | ||
- | |||
- | exit 0 | ||
- | </code><code> | ||
- | # cat corpX.cfg | ||
- | </code><code> | ||
- | ... | ||
- | define command { | ||
- | command_name check_dhcp_stat | ||
- | command_line /etc/nagios-dhcp-stat.sh | ||
- | } | ||
- | |||
- | define service{ | ||
- | use generic-service | ||
- | host_name localhost | ||
- | service_description check dhcp stat | ||
- | check_command check_dhcp_stat | ||
- | } | ||
- | </code> | ||
- | |||
- | ===== Установка Web-интерфейса Nagios ===== | ||
- | |||
- | * [[https://www.itstuff.info/linux_unix/install-web-interface-nagvis-for-nagios/|Установка Web-интерфейса NagVis для системы мониторинга Nagios]] |