Pure shell script to update IPv4 and IPv6 adresses records for domain hosted by DigitalOcean.
#!/bin/bash
#################### VARIABLES ####################
TOKEN="aaaaabbbbbccccc000001111122222"
DOMAIN="example.com"
RECORD_V4=("300000001" "300000002")
RECORD_V6=("300000003" "300000004")
###################################################
CURRENT_IPV4="$(curl -s v4.ident.me)"
CURRENT_IPV6="$(curl -s v6.ident.me)"
for RECORD_ID in ${RECORD_V4[*]}
do
LAST_IPV4="$(curl -s -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID" | grep -Po '"data":(\d*?,|.*?[^\\]",)' | awk -F '"' '{print $4}')"
HOST="$(curl -s -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID" | grep -Po '"name":(\d*?,|.*?[^\\]",)' | awk -F '"' '{print $4}')"
if [ $CURRENT_IPV4 == $LAST_IPV4 ]; then
echo "IPv4 has not changed for [$HOST] ($CURRENT_IPV4)"
else
echo "IPv4 for [$HOST] has changed to $CURRENT_IPV4 from $LAST_IPV4"
curl -s -X PUT -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" -d '{"data":"'"$CURRENT_IPV4"'"}' "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID"
echo ""
fi
done
for RECORD_ID in ${RECORD_V6[*]}
do
LAST_IPV6="$(curl -s -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID" | grep -Po '"data":(\d*?,|.*?[^\\]",)' | awk -F '"' '{print $4}')"
HOST="$(curl -s -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID" | grep -Po '"name":(\d*?,|.*?[^\\]",)' | awk -F '"' '{print $4}')"
if [ $CURRENT_IPV6 == $LAST_IPV6 ]; then
echo "IPv6 has not changed for [$HOST] ($CURRENT_IPV6)"
else
echo "IPv6 for [$HOST] has changed to $CURRENT_IPV6 from $LAST_IPV6"
curl -s -X PUT -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" -d '{"data":"'"$CURRENT_IPV6"'"}' "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RECORD_ID"
echo ""
fi
done
by: Shunyang ZHANGMay 16, 2022Visit site
This textbox defaults to using Markdown to format your answer.
You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!
Have you created an Integration, API Wrapper, Service, or other Tool that helps developers build on DigitalOcean? Help users find it by listing it in Community Tools.
Sign up for Infrastructure as a Newsletter.
Working on improving health and education, reducing inequality, and spurring economic growth? We'd like to help.
Get paid to write technical tutorials and select a tech-focused charity to receive a matching donation.