DDNSサービスである「mydns.jp」へ自動的に通知するためのSystemd設定ファイル群

mydns-update.md

mydns.jpへIPアドレスを自動通知

OSの環境はUbuntu, Arch Linuxにて確認しております。
標準で入っていると思いますが、perlを使用しております。
なお、 systemd-networkd と systemd-networkd-wait-online をenableにしておく必要があります。

$ curl -sSL https://gist.githubusercontent.com/t-okkn/8b1bb3523b90d72e6bf9120d735b837c/raw/f8ad871888b6cdc9a9428e5459f346b61ae2116e/mydns-update.service | sudo tee /etc/systemd/system/mydns-update.service
$ curl -sSL https://gist.githubusercontent.com/t-okkn/8b1bb3523b90d72e6bf9120d735b837c/raw/f8ad871888b6cdc9a9428e5459f346b61ae2116e/mydns-update.timer | sudo tee /etc/systemd/system/mydns-update.timer
$ curl -sSL https://gist.githubusercontent.com/t-okkn/8b1bb3523b90d72e6bf9120d735b837c/raw/f8ad871888b6cdc9a9428e5459f346b61ae2116e/mydnsAccount.conf | sudo tee /usr/local/etc/mydnsAccount.conf

$ sudo vi /usr/local/etc/mydnsAccount.conf
$ sudo systemctl enable --now mydns-update.service
$ sudo systemctl enable --now mydns-update.timer

mydns-update.service

[Unit]
Description=Notify Global IP-Address to mydns.jp
Wants=network-online.target
After=network-online.target

[Service]
Type=oneshot
EnvironmentFile=/usr/local/etc/mydnsAccount.conf
ExecStart=/usr/bin/bash -c '/usr/bin/curl -sS https://${User}:${Password}@ipv4.mydns.jp/login.html | awk '\''BEGIN {FS="<"; RS=">"}; {print $1}'\'' | sed '\''/^$/d'\'' | /usr/bin/perl -pe '\''s/:\n/: /'\'''

[Install]
WantedBy=network-online.target

mydns-update.timer

[Unit]
Description=Runs mydns-update.service regularly

[Timer]
OnBootSec=5min
OnUnitActiveSec=1h
Unit=mydns-update.service

[Install]
WantedBy=timers.target

mydnsAccount.conf

User=mydns12345
Password=AbCdEf12345