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#!/usr/bin/env bash
set -e
if [ $# -ne 2 ]; then
echo "Usage: ./update.sh DOMAIN API_CONFIG" >&2
exit 1
fi
DOMAIN=$1
API_CONFIG=$2
source $API_CONFIG
config_ip=$(dig +short $DOMAIN)
actual_ip=$(curl -s https://ipinfo.io/ip)
if [ "$config_ip" != "$actual_ip" ]; then
echo "Updating IP from $config_id to $actual_ip for $DOMAIN"
res=$(curl -s -X POST "https://porkbun.com/api/json/v3/dns/retrieve/$DOMAIN" \
-d "{ \"secretapikey\": \"${SECRETAPIKEY}\", \"apikey\": \"${APIKEY}\" }")
status=$(echo "$res" | jq -r '.status')
if [ "$status" != "SUCCESS" ]; then
echo -e "Failed to fetch domain ID:\n\t$res" >&2
exit 1
fi
ID=$(echo "$res" | jq -r ".records[] | select(.type == \"A\") | select(.content == \"${config_ip}\") | .id")
res=$(curl -s -X POST "https://porkbun.com/api/json/v3/dns/edit/$DOMAIN/$ID" \
-d "{ \"secretapikey\": \"${SECRETAPIKEY}\", \"apikey\": \"${APIKEY}\", \"content\": \"${actual_ip}\", \"ttl\": \"600\", \"type\": \"A\", \"name\": \"\" }")
status=$(echo "$res" | jq -r '.status')
if [ "$status" == "SUCCESS" ]; then
echo "Successfully updated $DOMAIN record $ID from $config_ip to $actual_ip"
else
echo "Failed to update DNS record for $DOMAIN with $ID from $config_ip to $actual_ip" >&2
pretty=$(echo "$res" | jq '.')
echo "$pretty" >&2
exit 1
fi
else
echo "$DOMAIN is currently registered properly: $config_ip $actual_ip"
fi
exit 0
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