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systemd: Add systemd timer and service #2

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Sep 22, 2020
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systemd: Add systemd timer and service #2

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7fce4e6
systemd: Add reload timer and service
kylemanna Sep 8, 2020
b157c4a
README: Add systemd timer write-up
kylemanna Sep 8, 2020
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12 changes: 10 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,8 @@ For example:
/usr/share/nft-blackhole/nft-blackhole.template
/etc/nft-blackhole.conf
/usr/lib/systemd/system/nft-blackhole.service
/usr/lib/systemd/system/nft-blackhole-reload.service
/usr/lib/systemd/system/nft-blackhole-reload.timer

## Configuration
#### Set the configuration in a file
Expand All @@ -81,14 +83,20 @@ For example:
### List table and sets for blackhole
nft list table inet blackhole
### Refresh lists
#### Manual

/usr/bin/nft-blackhole.py reload
systemctl reload nft-blackhole.service
or add to root crontab e.g.

#### Crontab

0 */6 * * * systemctl reload nft-blackhole.service

#### Systemd Timer

systemctl enable --now nft-blackhole-reload.service
systemctl list-timers

## Credits
[country-ip-blocks](https://github.com/herrbischoff/country-ip-blocks) - CIDR country-level IP lists,

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10 changes: 10 additions & 0 deletions nft-blackhole-reload.service
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@@ -0,0 +1,10 @@
[Unit]
Description=Update nft blackhole table
After=network-online.target
Wants=network-online.target

[Service]
Type=oneshot
ExecStart=/usr/bin/nft-blackhole.py reload

User=root
9 changes: 9 additions & 0 deletions nft-blackhole-reload.timer
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@@ -0,0 +1,9 @@
[Unit]
Description="Update blackhole lists"

[Timer]
OnBootSec=15min
OnUnitActiveSec=6h

[Install]
WantedBy=multi-user.target