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ZABBIX 3.4 監控Nginx 狀態(七）

本文轉載自   查看原文   2018-01-18 19:07   2509    運維監控

一、環境准備

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服務器的IP地址，一般是內網地址 
               deny all;
       }

     //在虛擬主機 server {} 中加入上面配置，也可以單獨定義一個專門用於監控的虛擬主機。
     //deny all , 拒絕除 allow 中的主機之外所有主機訪問此 URL ，實現過程中如果遇到 403 ，有可能是你把自己測試的機器拒絕了

2、訪問設置好的nginx-status鏈接，如圖所示：

3、nginx Status 詳細說明：

Activeconnections:對后端發起的活動連接數；

server accepts 66：nginx 總共處理了66個連接；

handled：成功創建了66次握手；

requests：總共處理了66請求。

Reading：nginx讀取客戶端的header數；

Writing: nginx 返回給客戶端的header數；

Waiting: nginx 請求處理完成，正在等待下一請求指令的連接。

  在訪問效率很高，請求很快被處理完畢的情況下，Waiting 數比較多是正常的。如果 reading + writing 數較多，則說明並發訪問量很大，正在處理過程中

 

二、監控腳本編寫

1、編寫腳本，放於 /etc/zabbix/zabbix_agentd.d/目錄下

#!/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

       賦予腳本執行權限：

[root@Node1 zabbix_agentd.d]# chmod a+x nginx_status.sh  //賦予執行權限
[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，放於 /etc/zabbix/zabbix_agentd.d/目錄下（agent的配置文件 /etc/zabbix/zabbix_agentd.conf 中定義了其他key的包含目錄）創建配置文件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、確保配置Agent配置文件開啟自定義參數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代表允許，0代表關閉

4、重啟zabbix-agent服務

[root@Node1 ~]# systemctl restart zabbix-agent.service

 5、在zabbix servere服務器上測試,是否能正常獲取數據

[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、創建模板：Configuration-->Templates-->Greate template，創建模板名稱：Template App NGINX，單擊Add即可

2、給模板依次添加相應Item、Trigger、Graphs,如下圖所示

3、關聯模板，Configuration-->Hosts-->Node1--Templates，選擇模板,點擊Updtae即可

 

4、查看Nginx狀態：Monitoring-->Graphs-->Host(Node1)-->Grahp(nginx status connections與nginx status server)

   備注：若相關數據比較小的話，可以使用ab進行簡單壓測，然后再看數值變化

[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>3.4</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&#13;
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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