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zabbix 监控nginx

zabbix 监控nginx

作者: 济南打工人 | 来源:发表于2021-01-05 17:30 被阅读0次

nginx内置了一个status状态的功能,通过配置可以看到nginx的运行情况,status显示的内容包括当前连接数,处于活动状态的连接数,已经处理的请求数等等,可以利用这个功能编写zabbix监控nginx的脚本。

1 nginx配置

nginx配置文件,开启status功能

location / {

            root   html;

            index  index.php index.html index.htm;

        }

        #nginx status

        location /nginx_status {

            stub_status on;

            access_log off;

            allow 192.168.10.0/24;

            allow 127.0.0.1;

            deny all;

        }

        #error_page  404              /404.html;


        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

nginx状态解释

Active connections Nginx正处理的活动链接数个数;重要

server Nginx启动到现在共处理了多少个连接。

accepts Nginx启动到现在共成功创建几次握手。

handled requests Nginx总共处理了几次请求。

Reading Nginx读取到客户端的 Header 信息数。

Writing Nginx返回给客户端的 Header 信息数。

Waiting Nginx已经处理完正在等候下一次请求指令的驻留链接,开启。

Keep-alive的情况下,Waiting这个值等于active-(reading + writing)。

请求丢失数=(握手数-连接数)可以看出,本次状态显示没有丢失请求。

2 zabbix-agent配置

添加监控脚本

nginx_status.sh 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

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

cat nginx_status.conf
UserParameter=nginx.status[*],/etc/zabbix/zabbix_agentd.d/nginx_status.sh $1

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

重启zabbix-agent服务

systemctl restart zabbix-agent.service 

在zabbix servere服务器上测试,是否能正常获取数据

zabbix_get -s 

172.17.21.206 -p 10050 -k nginx.status[ping]   
1

4. 监控页面导入tcp连接状态模板

图片.png
图片.png
图片.png

模板

<?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
    <version>3.4</version>
    <date>2018-01-18T11:00:49Z</date>
    <groups>
        <group>
            <name>Templates</name>
        </group>
    </groups>
    <templates>
        <template>
            <template>Template App NGINX</template>
            <name>Template App NGINX</name>
            <description>nginx statuses
Author:371304</description>
            <groups>
                <group>
                    <name>Templates</name>
                </group>
            </groups>
            <applications>
                <application>
                    <name>Nginx</name>
                </application>
            </applications>
            <items>
                <item>
                    <name>nginx status server accepts</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[accepts]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>accepts</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status connections active</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[active]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>acitve</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status server handled</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[handled]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>handled</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status PING</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[ping]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>ping</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status connections reading</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[reading]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>reading</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status server requests</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[requests]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>requests</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status connections waiting</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[waiting]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>waiting</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </application>
                    </applications>
                    <valuemap/>
                    <logtimefmt/>
                    <preprocessing/>
                    <jmx_endpoint/>
                    <master_item/>
                </item>
                <item>
                    <name>nginx status connections writing</name>
                    <type>7</type>
                    <snmp_community/>
                    <snmp_oid/>
                    <key>nginx.status[writing]</key>
                    <delay>30s</delay>
                    <history>90d</history>
                    <trends>365d</trends>
                    <status>0</status>
                    <value_type>3</value_type>
                    <allowed_hosts/>
                    <units/>
                    <snmpv3_contextname/>
                    <snmpv3_securityname/>
                    <snmpv3_securitylevel>0</snmpv3_securitylevel>
                    <snmpv3_authprotocol>0</snmpv3_authprotocol>
                    <snmpv3_authpassphrase/>
                    <snmpv3_privprotocol>0</snmpv3_privprotocol>
                    <snmpv3_privpassphrase/>
                    <params/>
                    <ipmi_sensor/>
                    <authtype>0</authtype>
                    <username/>
                    <password/>
                    <publickey/>
                    <privatekey/>
                    <port/>
                    <description>writing</description>
                    <inventory_link>0</inventory_link>
                    <applications>
                        <application>
                            <name>Nginx</name>
                        </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()}=0</expression>
            <recovery_mode>0</recovery_mode>
            <recovery_expression/>
            <name>nginx was down!</name>
            <correlation_mode>0</correlation_mode>
            <correlation_tag/>
            <url/>
            <status>0</status>
            <priority>4</priority>
            <description>nginx was down!</description>
            <type>0</type>
            <manual_close>0</manual_close>
            <dependencies/>
            <tags/>
        </trigger>
    </triggers>
    <graphs>
        <graph>
            <name>nginx status connections</name>
            <width>900</width>
            <height>200</height>
            <yaxismin>0.0000</yaxismin>
            <yaxismax>100.0000</yaxismax>
            <show_work_period>1</show_work_period>
            <show_triggers>1</show_triggers>
            <type>0</type>
            <show_legend>1</show_legend>
            <show_3d>0</show_3d>
            <percent_left>0.0000</percent_left>
            <percent_right>0.0000</percent_right>
            <ymin_type_1>0</ymin_type_1>
            <ymax_type_1>0</ymax_type_1>
            <ymin_item_1>0</ymin_item_1>
            <ymax_item_1>0</ymax_item_1>
            <graph_items>
                <graph_item>
                    <sortorder>0</sortorder>
                    <drawtype>0</drawtype>
                    <color>1A7C11</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[active]</key>
                    </item>
                </graph_item>
                <graph_item>
                    <sortorder>1</sortorder>
                    <drawtype>0</drawtype>
                    <color>F63100</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[reading]</key>
                    </item>
                </graph_item>
                <graph_item>
                    <sortorder>2</sortorder>
                    <drawtype>0</drawtype>
                    <color>2774A4</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[waiting]</key>
                    </item>
                </graph_item>
                <graph_item>
                    <sortorder>3</sortorder>
                    <drawtype>0</drawtype>
                    <color>A54F10</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[writing]</key>
                    </item>
                </graph_item>
            </graph_items>
        </graph>
        <graph>
            <name>nginx status server</name>
            <width>900</width>
            <height>200</height>
            <yaxismin>0.0000</yaxismin>
            <yaxismax>100.0000</yaxismax>
            <show_work_period>1</show_work_period>
            <show_triggers>1</show_triggers>
            <type>0</type>
            <show_legend>1</show_legend>
            <show_3d>0</show_3d>
            <percent_left>0.0000</percent_left>
            <percent_right>0.0000</percent_right>
            <ymin_type_1>0</ymin_type_1>
            <ymax_type_1>0</ymax_type_1>
            <ymin_item_1>0</ymin_item_1>
            <ymax_item_1>0</ymax_item_1>
            <graph_items>
                <graph_item>
                    <sortorder>0</sortorder>
                    <drawtype>0</drawtype>
                    <color>1A7C11</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[accepts]</key>
                    </item>
                </graph_item>
                <graph_item>
                    <sortorder>1</sortorder>
                    <drawtype>0</drawtype>
                    <color>F63100</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[handled]</key>
                    </item>
                </graph_item>
                <graph_item>
                    <sortorder>2</sortorder>
                    <drawtype>0</drawtype>
                    <color>2774A4</color>
                    <yaxisside>0</yaxisside>
                    <calc_fnc>2</calc_fnc>
                    <type>0</type>
                    <item>
                        <host>Template App NGINX</host>
                        <key>nginx.status[requests]</key>
                    </item>
                </graph_item>
            </graph_items>
        </graph>
    </graphs>
</zabbix_export>

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