mirror of
https://github.com/tunix/digitalocean-dyndns
synced 2024-05-18 05:33:38 +00:00
928616e9e0
Last commit would still not fix the problem if all services fails because of the check on line 38.
80 lines
2.5 KiB
Bash
Executable file
80 lines
2.5 KiB
Bash
Executable file
#!/bin/bash
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api_host="https://api.digitalocean.com/v2"
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sleep_interval=${SLEEP_INTERVAL:-300}
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services=(
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"ifconfig.co"
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"ipinfo.io/ip"
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"ifconfig.me"
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)
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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/$DOMAIN/records"
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while ( true ); do
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domain_records=$(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"?per_page=200")
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for service in ${services[@]}; do
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echo "Trying with $service..."
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ip="$(curl -s $service | grep '[0-9]\{1,3\}\(\.[0-9]\{1,3\}\)\{3\}')"
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test -n "$ip" && break
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done
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echo "Found IP address $ip"
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if [[ -n $ip ]]; then
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# disable glob expansion
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set -f
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for sub in ${NAME//;/ }; do
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record_id=$(echo $domain_records| jq ".domain_records[] | select(.type == \"A\" and .name == \"$sub\") | .id")
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record_data=$(echo $domain_records| jq -r ".domain_records[] | select(.type == \"A\" and .name == \"$sub\") | .data")
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# re-enable glob expansion
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set +f
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data="{\"type\": \"A\", \"name\": \"$sub\", \"data\": \"$ip\"}"
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url="$dns_list/$record_id"
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if [[ -z $record_id ]]; then
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echo "No record found with '$sub' domain name. Creating record, sending data=$data to url=$url"
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new_record=$(curl -s -X POST \
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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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"$url")
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record_data=$(echo $new_record| jq -r ".data")
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fi
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if [[ "$ip" != "$record_data" ]]; then
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echo "existing DNS record address ($record_data) doesn't match current IP ($ip), sending data=$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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"$url" &> /dev/null
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else
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echo "existing DNS record address ($record_data) did not need updating"
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fi
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done
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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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