Adguard CIDRE Sync

🤖 Adguard CIDRE Sync - A bot to synchronize adguard clients disallow list with countries CIDR list of your choices.

The code is partially generated by AI

📌 Sommaire

Automatically downloads IP CIDR blocks for specified countries to block.
Supports additional manually blocked IPs from a configurable file.
Updates the disallowed_clients section in the AdGuard Home config.
Configurable update frequency via cron expression environment variable.
Automatically restarts the AdGuard Home container after updates via Docker socket proxy.

Variable	Description	Default
`BLOCK_COUNTRIES`	Comma-separated country codes to block (e.g., `CN,RU,IR`)	(required)
`BLOCKLIST_CRON`	Cron expression for update frequency (e.g., `0 6 * * *`)	`0 6 * * *` (at 6:00 everydays)
`DOCKER_API_URL`	URL of Docker socket proxy to restart AdGuard container	`http://docker-socket-proxy:2375`

update-blocklist.sh: Main script to download CIDRs, merge manual IPs, update config, and restart AdGuard.
entrypoint.sh: Sets up the cron job to periodically run the update script.
Dockerfile: Builds the lightweight Alpine-based image.
docker-compose.yml: Example compose file to run the container.
manually_blocked_ips.conf: (Volume mount) Add extra IPs to block manually.

Clone the repository:

git clone https://github.com/your-username/adguard-blocklist-updater.git
cd adguard-blocklist-updater

Set BLOCK_COUNTRIES environment variable with the countries you want to block.
Adjust BLOCKLIST_CRON if you want a different update frequency.
Bind mount your adguard configuration folder (wich contains AdGuardHome.yaml) to /adguard
(optionnally) create and edit manually_blocked_ips.conf file in your adguard configuration folder to add other IPs you want to block. Only valid IP or CIDR entries will be processed, for exemple :
```
192.168.1.100
10.0.0.0/24
# Comments or empty lines are ignored
```

Build and start the container

docker-compose build
docker-compose up -d