「Munin」:修訂間差異

出自Gea-Suan Lin's Wiki
跳至導覽 跳至搜尋
本頁面具有訪問限制。如果您看見此訊息,這代表您沒有訪問本頁面的權限。
行 95: 行 95:
    include fastcgi_params;
    include fastcgi_params;
}
}
</syntaxhighlight>
讓nginx重讀設定檔後應該就可以在https://www.example.com/munin/看到內容:
<syntaxhighlight lang="bash">
sudo pkill -1 nginx
</syntaxhighlight>
</syntaxhighlight>



於 2021年4月25日 (日) 21:52 的修訂

Munin是一套Perl撰寫的監控軟體。

安裝

Munin目前已經算成熟,更新幅度不會太大,加上Ubuntu內的版本都還算夠新[1],可以直接安裝Ubuntu內的版本:

sudo apt install -y munin; sudo apt clean

節點只需要安裝munin-node:

sudo apt install -y munin-node; sudo apt clean

設定

伺服器端的設定,先將Munin設定為CGI模式(事實上會是FastCGI模式),這需要修改/etc/munin/munin-conf.d/cgi.conf

graph_strategy cgi
html_strategy cgi
cgiurl_graph /munin-cgi/munin-cgi-graph

接著是修正Ubuntu下的檔案權限[2]

sudo chown munin:adm /var/log/munin/munin-cgi-graph.log /var/log/munin/munin-cgi-html.log

另外是systemd的設定檔,包含了/lib/systemd/system/munin-cgi-graph.service

#
[Unit]
Description=Munin CGI Graph FastCGI daemon
After=remote-fs.target

[Service]
ExecStart=/usr/bin/spawn-fcgi -s /var/run/munin/fastcgi-graph.sock -P /var/run/munin/fastcgi-graph.pid -U www-data -u munin -g munin /usr/lib/munin/cgi/munin-cgi-graph
PIDFile=/var/run/munin/fastcgi-graph.pid
Restart=always
RestartSec=1
Type=simple

[Install]
WantedBy=multi-user.target

以及/lib/systemd/system/munin-cgi-html.service

#
[Unit]
Description=Munin CGI HTML FastCGI daemon
After=remote-fs.target

[Service]
ExecStart=/usr/bin/spawn-fcgi -s /var/run/munin/fastcgi-html.sock -P /var/run/munin/fastcgi-html.pid -U www-data -u munin -g munin /usr/lib/munin/cgi/munin-cgi-html
PIDFile=/var/run/munin/fastcgi-html.pid
Restart=always
RestartSec=1
Type=simple

[Install]
WantedBy=multi-user.target

重讀systemd設定,並且設成開機執行,然後跑起來:

sudo systemctl daemon-reload; sudo systemctl enable munin-cgi-graph.service; sudo systemctl enable munin-cgi-html.service; sudo service munin-cgi-graph.service start; sudo service munin-cgi-html.service start

然後是nginx的設定[2]

location ^~ /munin-cgi/munin-cgi-graph/ {
    fastcgi_split_path_info ^(/munin-cgi/munin-cgi-graph)(.*);
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_pass unix:/var/run/munin/fastcgi-graph.sock;
    include fastcgi_params;
}

location /munin/static/ {
    alias /etc/munin/static/;
}

location /munin/ {
    fastcgi_split_path_info ^(/munin)(.*);
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_pass unix:/var/run/munin/fastcgi-html.sock;
    include fastcgi_params;
}

讓nginx重讀設定檔後應該就可以在https://www.example.com/munin/看到內容:

sudo pkill -1 nginx

參考資料

  1. Ubuntu – Package Search Results -- munin. [2021-04-26] (English). 
  2. 2.0 2.1 nginx configuration — Munin 2.0.44 documentation. [2021-04-26] (English). 

外部連結