mirror of
https://github.com/cupcakearmy/docker-ddns-cloudflare.git
synced 2024-11-17 02:29:56 +01:00
58 lines
1.8 KiB
Bash
58 lines
1.8 KiB
Bash
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#!/bin/bash
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# CHANGE THESE
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auth_email=${EMAIL}
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auth_key=${KEY}
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zone_name=${ZONE}
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record_name=${DNS_RECORD}
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# MAYBE CHANGE THESE
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ip=$(curl -s http://ipv4.icanhazip.com)
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ip_file="ip.txt"
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id_file="cloudflare.ids"
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log_file="cloudflare.log"
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# LOGGER
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log() {
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if [ "$1" ]; then
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echo -e "[$(date)] - $1" >> $log_file
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fi
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}
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# SCRIPT START
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log "Check Initiated"
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if [ -f $ip_file ]; then
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old_ip=$(cat $ip_file)
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if [ $ip == $old_ip ]; then
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echo "IP has not changed."
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exit 0
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fi
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fi
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if [ -f $id_file ] && [[ $(wc -l $id_file | cut -d " " -f 1) == 2 ]]; then
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zone_identifier=$(head -1 $id_file)
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record_identifier=$(tail -1 $id_file)
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else
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zone_identifier=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$zone_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*' | head -1 )
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record_identifier=$(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: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*')
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echo "$zone_identifier" > $id_file
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echo "$record_identifier" >> $id_file
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fi
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echo "Updating $zone_identifier, $record_identifier"
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update=$(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\"}")
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if [[ $update == *"\"success\":false"* ]]; then
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message="API UPDATE FAILED. DUMPING RESULTS:\n$update"
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log "$message"
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echo -e "$message"
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exit 1
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else
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message="IP changed to: $ip"
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echo "$ip" > $ip_file
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log "$message"
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echo "$message"
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fi
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