ddns-start.sh

#!/bin/sh

# Digital Ocean Dynamic DNS Script
#
# Updates an A record using Digital Oceans DNS Managment API
#
# Args:
#   $1 - WAN IP


# Generate token at https://cloud.digitalocean.com/settings/api/tokens
TOKEN=<INSERT TOKEN HERE>

# The domain to be updating
DOMAIN=luqman.ca

# The record to be updating (i.e. the subdomain on $DOMAIN)
RECORD=hitoret.home

# Location of jq binary
JQ=/jffs/scripts/jq


# Now to grab the record id
RID=$(curl -s -X GET -H "Authorization: Bearer $TOKEN" "https://api.digitalocean.com/v2/domains/$DOMAIN/records" | $JQ ".[\"domain_records\"] | .[] | select(.name==\"$RECORD\") | .id")

if [ "$?" -ne "0" ]; then
    /sbin/ddns_custom_updated 0
    exit 1
fi

# And update the record
curl -s -X PUT -H "Content-Type: application/json" -H "Authorization: Bearer $TOKEN" -d "{\"data\":\"$1\"}" "https://api.digitalocean.com/v2/domains/$DOMAIN/records/$RID"

if [ "$?" -ne "0" ]; then
    /sbin/ddns_custom_updated 0
    exit 2
fi

# And we're done!
/sbin/ddns_custom_updated 1