mirror of
https://github.com/tunix/digitalocean-dyndns
synced 2024-05-18 13:43:37 +00:00
43 lines
1.2 KiB
Bash
43 lines
1.2 KiB
Bash
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#!/bin/sh
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api_host="https://api.digitalocean.com/v2"
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sleep_interval=${SLEEP_INTERVAL:-300}
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die() {
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echo "$1"
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exit 1
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}
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test -z $DIGITALOCEAN_TOKEN && die "DIGITALOCEAN_TOKEN not set!"
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test -z $DOMAIN && die "DOMAIN not set!"
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test -z $NAME && die "NAME not set!"
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dns_list="$api_host/domains/$DOMAIN/records"
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domain_records=$(curl -s -X GET \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer $DIGITALOCEAN_TOKEN" \
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$dns_list)
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record_id=$(echo $domain_records| jq ".domain_records[] | select(.name == \"$NAME\") | .id")
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test -z $record_id && die "No record found with given domain name!"
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while ( true ); do
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ip="$(curl -s ipinfo.io/ip)"
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data="{\"type\": \"A\", \"name\": \"$NAME\", \"data\": \"$ip\"}"
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url="$dns_list/$record_id"
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if [[ -n $ip ]]; then
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echo "Sending data=$data to url=$url"
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curl -s -X PUT \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer $DIGITALOCEAN_TOKEN" \
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-d "$data" \
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"$url" &> /dev/null
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else
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echo "IP wasn't retrieved within allowed interval. Will try $sleep_interval seconds later.."
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fi
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sleep $sleep_interval
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done
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