-
-
Save magicstone1412/f4df41231d577a24bef27a89abff534c to your computer and use it in GitHub Desktop.
Cloudflare API v4 Dynamic DNS Update in Bash
This file contains hidden or 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
| #!/bin/bash | |
| # CHANGE THESE | |
| auth_email="[email protected]" | |
| auth_key="c2547eb745079dac9320b638f5e225cf483cc5cfdda41" # found in cloudflare account settings | |
| zone_name="example.com" | |
| record_name="www.example.com" | |
| ip=$(curl -s http://ipv4.icanhazip.com) | |
| ip_file="ip.txt" | |
| log_file="cloudflare.log" | |
| echo "[$(date)] - Check Initiated" >> $log_file | |
| if [ -f $ip_file ]; then | |
| old_ip=$(cat $ip_file) | |
| if [ $ip == $old_ip ]; then | |
| echo "IP has not changed." | |
| exit 0 | |
| fi | |
| else | |
| echo "$ip" > $ip_file | |
| fi | |
| zone_identifier=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$zone_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*' | head -1 ) | |
| record_identifier=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records?name=$record_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*') | |
| curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records/$record_identifier" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" --data "{\"id\":\"$zone_identifier\",\"type\":\"A\",\"name\":\"$record_name\",\"content\":\"$ip\"}" -o /dev/null | |
| if [ $? -eq 0 ]; then | |
| echo "[$(date)] - IP changed to: $ip" >> $log_file | |
| echo "IP changed to: $ip" | |
| else | |
| echo "[$(date)] - API UPDATE FAILED" >> $log_file | |
| echo "API UPDATE FAILED." | |
| fi |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment