Created
December 9, 2022 15:48
-
-
Save jalberto/484be001a671be2c7a973b611c7dcf8d to your computer and use it in GitHub Desktop.
Cloudflare dyn DNS updater with curl & jq
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| AUTH_KEY='CF AUTH TOKEN KEY' | |
| EMAIL_ADDRESS='CF email' | |
| DNS_ZONE_NAME='domain.name' | |
| DNS_RECORD_NAME="hola.domain.name" | |
| DNS_ZONE=$(curl -sX GET "https://api.cloudflare.com/client/v4/zones?name=${DNS_ZONE_NAME}" -H "Content-Type:application/json" -H "Authorization:Bearer ${AUTH_KEY}" -H "X-Auth-Email:${EMAIL_ADDRESS}" | jq -r '.result[0].id') | |
| DNS_RECORD=$(curl -sX GET "https://api.cloudflare.com/client/v4/zones/${DNS_ZONE}/dns_records?name=${DNS_RECORD_NAME}" -H "Content-Type:application/json" -H "Authorization:Bearer ${AUTH_KEY}" -H "X-Auth-Email:${EMAIL_ADDRESS}" | jq -r '.result[0].id') | |
| CURRENT_DNS_VALUE=$(curl -sX GET "https://api.cloudflare.com/client/v4/zones/${DNS_ZONE}/dns_records/${DNS_RECORD}" -H "Content-Type:application/json" -H "Authorization:Bearer ${AUTH_KEY}" -H "X-Auth-Email:${EMAIL_ADDRESS}" | jq '.result["content"]') | |
| CURRENT_IP_ADDRESS=$(curl -s ip.me) | |
| if [ ${CURRENT_DNS_VALUE} != ${CURRENT_IP_ADDRESS} ]; then | |
| curl -sX PUT "https://api.cloudflare.com/client/v4/zones/${DNS_ZONE}/dns_records/${DNS_RECORD}" -H "X-Auth-Email:${EMAIL_ADDRESS}" -H "Authorization:Bearer ${AUTH_KEY}" -H "Content-Type:application/json" --data '{"type":"A","name":"'"${DNS_RECORD_NAME}"'","content":"'"${CURRENT_IP_ADDRESS}"'"}' > /dev/null | |
| fi |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment