rust-cloudflare-dynamic-public-ip

Update public ip in cloudflare's DNS records automatically. You never know when your ISP is pushing updates to your router and cycle your public IP, breaking DNS records, this is my solution.

Build and test

cargo build
cargo test

Run

Create a .env file with the following secrets:

CLOUDFLARE_TOKEN=xxx
CLOUDFLARE_ZONE_ID=b9bf66d603b6864d47a45ed8ebf36c8f

CLOUDFLARE_ZONE_ID can be a comma seperated list for multiple domains.

# display help
cargo run -- --help

# get the current ip
cargo run -- current

# see the affected DNS records
cargo run -- check

# monitor changes and update cloudflare DNS record
cargo run -- monitor

Docker

docker run --rm -it --env-file .env ghcr.io/apolloroboto/rust-cloudflare-dynamic-public-ip:latest

MQTT

MQTT can be configured with environment variables and is enabled with MQTT_ENABLED=true

All variables:

MQTT_ENABLED
MQTT_HOST # required
MQTT_PORT # defaults to 1883
MQTT_ID # default will have a random id similar to cfdpip-xxxxxx
MQTT_BASE_TOPIC # defaults to cfdpip

Topics

Topic	Example Payload
cfdpip/ipchange	{ "old": "1.2.3.4", "new": "1.2.3.5" }