🌐 Cloudflare DDNS Updater

A Rust-based tool that automatically updates a Cloudflare DNS A record to match your public IP. Perfect for home servers, Raspberry Pi setups, or any environment without a static IP.

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✨ Features

• ✅ Automatically fetches your public IP
• ✅ Updates DNS A record using Cloudflare API
• ✅ Configurable via a config.toml file
• ✅ Systemd-compatible with .service and .timer support
• ✅ .deb packaging with cargo-deb for easy deployment

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📦 Installation

1. Install From .deb

After building (or downloading) the .deb file:

sudo dpkg -i cloudflare-ddns_0.1.0_armhf.deb

2. Configuration

Edit the config file at:

/etc/cloudflare-ddns/config.toml

Example:

zone_id = "your-cloudflare-zone-id"
record_name = "your.domain.com"
auth_email = "you@example.com"
auth_key = "your-global-api-key"

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⚙️ Usage

Run manully:

cloudflare-ddns

Or as a service using systemd:

sudo systemctl enable --now cloudflare-ddns.timer

Check status:

systemctl status cloudflare-ddns.timer

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🛠 Building From Source

cargo build --release

To build a .deb package:

cargo install cargo-deb
cargo deb

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📁 Directory Layout

cloudflare-ddns/
├── Cargo.toml
├── src/main.rs
├── config/config.toml
├── systemd/cloudflare-ddns.service
├── systemd/cloudflare-ddns.timer

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🧪 Testing

Make sure to test:

• Public IP fetch works
• DNS record updates correctly
• Systemd service runs on schedule