dynflare

Dynamic DNS using Cloudflare. Periodically fetch your public IP address and ensure update the given domain's A record to match it. Useful if your ISP don't provide static IPs.

Install

Binaries

See the latest release or download and install it now with curl https://i.jpillora.com/dynflare! | bash

Source

$ go get -v github.com/jpillora/dynflare

Usage

$ dynflare --help

  Usage: dynflare [options]

  Options:
  --interval, -i  polling interval (default 5m0s)
  --token, -t     cloudflare token (env TOKEN)
  --domain, -d    domain (env DOMAIN)
  --dry-run       only print dns updates
  --help, -h      display help

Systemd

$ cat dynflare.service
[Unit]
Description=dynflare

[Service]
Environment=DOMAIN=foobar.company.com
Environment=TOKEN=MySuperSecretToken
ExecStart=/usr/local/bin/dynflare
Restart=always
RestartSec=3

[Install]
WantedBy=default.target
$ systemctl enable dynflare
$ systemctl start dynflare
$ systemctl status dynflare

FAQ

• How do I get a token?
  • Visit https://dash.cloudflare.com/profile/api-tokens
  • Create an API Token with minimal scope (not an API Key)

MIT License

Copyright © 2020 Jaime Pillora <[email protected]>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.