0bu/cloudflare-ddns

Helm Chart for Cloudflare DDNS update with UniFi Controller

Cloudflare

• Cloudflare’s API
• Cloudflare API Token

The CronJob requests the current WAN IPv4 from the UniFi Controller. If the IP is new, the Cloudflare DDNS record will be updated.

UniFi Controller:

• Create a readonly user

Cloudflare

• Create an API token
• Get zone_id and dns_record_id
• Optional: test updating DNS Record

env.txt

• Create the env.txt file e.g.

  • UNIFI_URL=https://unifi
    UNIFI_USER=user
    UNIFI_PASS=read:only
    ZONE_ID=023e105f4ecef8ad9ca31a8372d0c353       <= 32 characters
    DNS_RECORD_ID=023e105f4ecef8ad9ca31a8372d0c353 <= 32 characters
    TOKEN=023e105f4ecef8ad9ca31a8372d0c353
    DOMAIN=my.domain.com
    

• Create the sealed secret
  • kubectl create secret generic cloudflare-ddns --dry-run=client --from-env-file=env.txt -oyaml | kubeseal --controller-name sealed-secrets -oyaml > templates/sealed-secret.yaml

Helm install/upgrade

helm upgrade --install cloudflare-ddns .

Helm unintall

helm uninstall cloudflare