Sync DNS Service Deployment

Create new user

sudo useradd -d /srv/sync-dns -m sync-dns

Put .jar to /srv/sync-dns/sync.jar

Credentials /srv/sync-dns/routers.ini:

[Name]
address = 10.0.0.1
username = sync-dns
password = p@ssw0rd
include = Area1,Area2

[Name2]
...

DNS Records /srv/sync-dns/records.ini:

; will be include automatically for all
[common]
domain = 10.0.0.2
...

[Area1]
...

; will be include automatically for "Name" and override if exists at other areas
[Name]
...

Service /usr/lib/systemd/system/sync-dns.service:

[Unit]
Description=Sync MikroTik DNS records

[Service]
Type=oneshot
User=sync-dns
WorkingDirectory=~
ExecStart=/usr/bin/java -jar /srv/sync-dns/sync.jar

Timer /usr/lib/systemd/system/sync-dns.timer:

[Unit]
Description=Daily sync MikroTik DNS records

[Timer]
OnCalendar=*-*-* 2:00:00
Persistent=true

[Install]
WantedBy=timers.target

Enable and start service

sudo systemctl enable sync-dns.timer
sudo systemctl start sync-dns.timer