一、环境准备
1、在nginx的配置文件中,添加status配置
location /nginx_status {
stub_status on;
access_log off;
allow 127.0.0.1;
allow 172.17.19.19; //zabbix服务器的IP地址,一般是内网地址
deny all;
}
//在虚拟主机 server {} 中加入上面配置,也可以单独定义一个专门用于监控的虚拟主机。
//deny all , 拒绝除 allow 中的主机之外所有主机访问此 URL ,实现过程中如果遇到 403 ,有可能是你把自己测试的机器拒绝了
2、访问设置好的nginx-status链接,如图所示:
3、nginx Status 详细说明:
Activeconnections:对后端发起的活动连接数;
server accepts 66:nginx 总共处理了66个连接;
handled:成功创建了66次握手;
requests:总共处理了66请求。
Reading:nginx读取客户端的header数;
Writing: nginx 返回给客户端的header数;
Waiting: nginx 请求处理完成,正在等待下一请求指令的连接。
在访问效率很高,请求很快被处理完毕的情况下,Waiting 数比较多是正常的。如果 reading + writing 数较多,则说明并发访问量很大,正在处理过程中
二、监控脚本编写
1、编写脚本,放于 /etc/zabbix/zabbix_agentd.d/目录下
#!/bin/bash #Script to fetch nginx statuses for monitoring systems #Author Tony HOST="127.0.0.1" PORT="80" function ping { /sbin/pidof nginx | wc -l } function active { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| grep 'Active' | awk '{print $NF}' } function reading { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| grep 'Reading' | awk '{print $2}' } function writing { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| grep 'Writing' | awk '{print $4}' } function waiting { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| grep 'Waiting' | awk '{print $6}' } function accepts { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| awk NR==3 | awk '{print $1}' } function handled { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| awk NR==3 | awk '{print $2}' } function requests { /usr/bin/curl "http://$HOST:$PORT/nginx_status/" 2>/dev/null| awk NR==3 | awk '{print $3}' } $1
赋予脚本执行权限:
[root@Node1 zabbix_agentd.d]# chmod a+x nginx_status.sh //赋予执行权限 [root@Node1 zabbix_agentd.d]# ll nginx_status.sh -rwxr-xr-x 1 root root 1157 Jan 18 15:45 nginx_status.sh
2、添加zabbix配置文件,放于 /etc/zabbix/zabbix_agentd.d/目录下(agent的配置文件 /etc/zabbix/zabbix_agentd.conf 中定义了其他key的包含目录)创建配置文件nginx_status.conf
[root@Node1 zabbix_agentd.d]# cat nginx_status.conf UserParameter=nginx.status[*],/etc/zabbix/zabbix_agentd.d/nginx_status.sh $1
3、确保配置Agent配置文件开启自定义参数UnsafeUserParameters=1
[root@Node1 zabbix_agentd.d]# !grep grep -n '^[a-Z]' /etc/zabbix/zabbix_agentd.conf 13:PidFile=/var/run/zabbix/zabbix_agentd.pid 32:LogFile=/var/log/zabbix/zabbix_agentd.log 43:LogFileSize=0 57:DebugLevel=3 97:Server=172.17.21.208 138:ServerActive=172.17.21.208 149:Hostname=Node1.contoso.com 267:Include=/etc/zabbix/zabbix_agentd.d/*.conf 286:UnsafeUserParameters=1 //1代表允许,0代表关闭
4、重启zabbix-agent服务
[root@Node1 ~]# systemctl restart zabbix-agent.service
5、在zabbix servere服务器上测试,是否能正常获取数据
[root@Node3 zabbix3.4.5]# zabbix_get -s 172.17.21.206 -p 10050 -k nginx.status[ping] 1 [root@Node3 zabbix3.4.5]# zabbix_get -s 172.17.21.206 -p 10050 -k nginx.status[accepts] 306 [root@Node3 zabbix3.4.5]# zabbix_get -s 172.17.21.206 -p 10050 -k nginx.status[handled] 307 [root@Node3 zabbix3.4.5]# zabbix_get -s 172.17.21.206 -p 10050 -k nginx.status[requests] 311 [root@Node3 zabbix3.4.5]#
三、WEB界面配置
1、创建模板:Configuration-->Templates-->Greate template,创建模板名称:Template App NGINX,单击Add即可
2、给模板依次添加相应Item、Trigger、Graphs,如下图所示
3、关联模板,Configuration-->Hosts-->Node1--Templates,选择模板,点击Updtae即可
4、查看Nginx状态:Monitoring-->Graphs-->Host(Node1)-->Grahp(nginx status connections与nginx status server)
备注:若相关数据比较小的话,可以使用ab进行简单压测,然后再看数值变化
[root@Node1 zabbix_agentd.d]# ab -n 10000 -c 1000 http://Node1.contoso.com/
附模板:Template_Nginx_Status.xml
xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
<version>3.4version>
<date>2018-01-18T11:00:49Zdate>
<groups>
<group>
<name>Templatesname>
group>
groups>
<templates>
<template>
<template>Template App NGINXtemplate>
<name>Template App NGINXname>
<description>nginx statuses
Author:371304description>
<groups>
<group>
<name>Templatesname>
group>
groups>
<applications>
<application>
<name>Nginxname>
application>
applications>
<items>
<item>
<name>nginx status server acceptsname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[accepts]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>acceptsdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status connections activename>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[active]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>acitvedescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status server handledname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[handled]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>handleddescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status PINGname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[ping]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>pingdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status connections readingname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[reading]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>readingdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status server requestsname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[requests]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>requestsdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status connections waitingname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[waiting]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>waitingdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
<item>
<name>nginx status connections writingname>
<type>7type>
<snmp_community/>
<snmp_oid/>
<key>nginx.status[writing]key>
<delay>30sdelay>
<history>90dhistory>
<trends>365dtrends>
<status>0status>
<value_type>3value_type>
<allowed_hosts/>
<units/>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel>0snmpv3_securitylevel>
<snmpv3_authprotocol>0snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol>0snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<params/>
<ipmi_sensor/>
<authtype>0authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description>writingdescription>
<inventory_link>0inventory_link>
<applications>
<application>
<name>Nginxname>
application>
applications>
<valuemap/>
<logtimefmt/>
<preprocessing/>
<jmx_endpoint/>
<master_item/>
item>
items>
<discovery_rules/>
<httptests/>
<macros/>
<templates/>
<screens/>
template>
templates>
<triggers>
<trigger>
<expression>{Template App NGINX:nginx.status[ping].last()}=0expression>
<recovery_mode>0recovery_mode>
<recovery_expression/>
<name>nginx was down!name>
<correlation_mode>0correlation_mode>
<correlation_tag/>
<url/>
<status>0status>
<priority>4priority>
<description>nginx was down!description>
<type>0type>
<manual_close>0manual_close>
<dependencies/>
<tags/>
trigger>
triggers>
<graphs>
<graph>
<name>nginx status connectionsname>
<width>900width>
<height>200height>
<yaxismin>0.0000yaxismin>
<yaxismax>100.0000yaxismax>
<show_work_period>1show_work_period>
<show_triggers>1show_triggers>
<type>0type>
<show_legend>1show_legend>
<show_3d>0show_3d>
<percent_left>0.0000percent_left>
<percent_right>0.0000percent_right>
<ymin_type_1>0ymin_type_1>
<ymax_type_1>0ymax_type_1>
<ymin_item_1>0ymin_item_1>
<ymax_item_1>0ymax_item_1>
<graph_items>
<graph_item>
<sortorder>0sortorder>
<drawtype>0drawtype>
<color>1A7C11color>
<yaxisside>0yaxisside>
<calc_fnc>2calc_fnc>
<type>0type>
<item>
<host>Template App NGINXhost>
<key>nginx.status[active]key>
item>
graph_item>
<graph_item>
<sortorder>1sortorder>
<drawtype>0drawtype>
<color>F63100color>
<yaxisside>0yaxisside>
<calc_fnc>2calc_fnc>
<type>0type>
<item>
<host>Template App NGINXhost>
<key>nginx.status[reading]key>
item>
graph_item>
<graph_item>
<sortorder>2sortorder>
<drawtype>0drawtype>
<color>2774A4color>
<yaxisside>0yaxisside>
<calc_fnc>2calc_fnc>
<type>0type>
<item>
<host>Template App NGINXhost>
<key>nginx.status[waiting]key>
item>
graph_item>
<graph_item>
<sortorder>3sortorder>
<drawtype>0drawtype>
<color>A54F10color>
<yaxisside>0yaxisside>
<calc_fnc>2calc_fnc>
<type>0type>
<item>
<host>Template App NGINXhost>
<key>nginx.status[writing]key>
item>
graph_item>
graph_items>
graph>
<graph>
<name>nginx status servername>
<width>900width>
<height>200height>
<yaxismin>0.0000yaxismin>
<yaxismax>100.0000yaxismax>
<show_work_period>1show_work_period>
<show_triggers>1show_triggers>
<type>0type>
<show_legend>1show_legend>
<show_3d>0show_3d>
<percent_left>0.0000percent_left>
<percent_right>0.0000percent_right>
<ymin_type_1>0