blob: 6685597102a07191e987caafb3f41ba6eb9bbe45 (
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#!/bin/bash
set -e
UPDATE_FILE=$(tempfile -p ddns-)
IP_ADDR=$(curl -ks https://mike.crute.me/ip)
ZONE_ID=""
HOSTNAME=""
# Assert valid format of IP
echo $IP_ADDR | egrep "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" > /dev/null 2>&1
cat > $UPDATE_FILE <<EOF
{ "Changes": [{
"Action": "UPSERT",
"ResourceRecordSet": {
"Name": "$HOSTNAME",
"Type": "A",
"TTL": 60,
"ResourceRecords": [{ "Value": "$IP_ADDR" }]
}}]
}
EOF
aws route53 change-resource-record-sets --profile snoopydyndns --hosted-zone-id $ZONE_ID --change-batch "file://$UPDATE_FILE" > /dev/null
rm $UPDATE_FILE
logger "DDNS update completed"
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