安裝 PHP-FPM Agent 的方式 [Jonathan's Wiki 筆記]

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====== 安裝 PHP-FPM Agent 的方式 ======
  * 返回 [[tech:librenms]]

  * 這是 SNMP Extend

  * 設定啟動 PHP-FPM 的狀態頁面<code sh>
vi /etc/php-fpm.d/www.conf</code><file>
:
pm.status_path = /status
:
</file>檢查沒問題就重新啟動 php-fpm 服務<code sh>
php-fpm -t</code><cli>
[04-Jul-2020 23:56:30] NOTICE: configuration file /etc/php-fpm.conf test is successful
</cli><code sh>
systemctl restart php-fpm
</code>
  * 設定 nginx php-fpm status 頁面讀取方式<code sh>
vi /etc/nginx/conf.d/default.conf 
</code><file>
:
location ~ ^/(status|ping)$ {
        allow 127.0.0.1;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_pass 127.0.0.1:9000;
}
:
</file>重新啟動 nginx <code sh>
systemctl restart nginx
</code>
  * 檢查讀取 PHP-FPM 狀態頁面<code sh>
curl http://localhost/status?full</code>正確結果會類似以下訊息<cli>
pool:                 www
process manager:      dynamic
start time:           04/Jul/2020:23:57:38 +0800
start since:          433
accepted conn:        117
listen queue:         0
max listen queue:     0
listen queue len:     511
idle processes:       6
active processes:     1
total processes:      7
max active processes: 2
max children reached: 0
slow requests:        0

************************
pid:                  13849
state:                Idle
start time:           04/Jul/2020:23:57:38 +0800
start since:          433
:
:
last request cpu:     0.00
last request memory:  0

************************
pid:                  13863
state:                Idle
start time:           04/Jul/2020:23:58:05 +0800
start since:          406
requests:             15
request duration:     438334
request method:       GET
request URI:          /index.php
content length:       0
user:                 -
script:               /var/www/html/index.php
last request cpu:     43.35
last request memory:  2097152
</cli>
  * 至 PHP-FPM 主機內安裝 <code sh>
wget https://github.com/librenms/librenms-agent/raw/master/snmp/phpfpmsp -O /etc/snmp/phpfpmsp
chmod +x /etc/snmp/phpfpmsp
</code>
  * 確認 phpfpmsp 可以正確執行<code sh>
/etc/snmp/phpfpmsp</code> 如果正確執行應該可以看到類似的訊息<cli>
www
04/Jul/2020:23:57:38 +0800
534
150
0
0
511
6
1
7
2
0
0
</cli>
  * 修改 snmpd 設定<code>
vi /etc/snmp/snmpd.conf</code><file>
:
extend phpfpmsp /etc/snmp/phpfpmsp
</file>重新啟動 snmpd <code sh>
systemctl restart snmpd
</code>

===== 參考網址 =====
  * https://docs.librenms.org/Extensions/Applications/#php-fpm
  * https://www.tecmint.com/enable-monitor-php-fpm-status-in-nginx/

{{tag>librenms agent snmp_ext}}