diff --git a/src/agents.d/update-dns-linode-v4 b/src/agents.d/update-dns-linode-v4 new file mode 100755 index 0000000..5a86809 --- /dev/null +++ b/src/agents.d/update-dns-linode-v4 @@ -0,0 +1,137 @@ +#!/bin/bash + +# Internal Initialization + +source "${DIP_FUNCTIONS}" + +if [[ -r "${DIP_BASE_DIR}/conf.d/${DIP_AGENT_NAME}.conf" ]]; then + source "${DIP_BASE_DIR}/conf.d/${DIP_AGENT_NAME}.conf" +fi + +if [[ -r "${DIP_BASE_DIR}/conf.d/${DIP_AGENT_EXEC}.conf" ]]; then + source "${DIP_BASE_DIR}/conf.d/${DIP_AGENT_EXEC}.conf" +fi + +if [[ -z "$agent_update_dns_linode_v4_token" ]]; then + logerr "ERROR: Need 'agent_update_dns_linode_v4_token' to be defined to your Linode API Access Token" + exit 99 +fi + +# Get Domain Name + +_update_dns_linode_v4_get_domain() { + local domain_id + local response + local page + local total_pages + local i=2 + local p=1 + + while read -r response + do + if [[ -n "$(echo "$response" | jq "select(.errors != null)")" ]] + then + return 1 + fi + + page=$(echo "$response" | jq ".page") + total_pages=$(echo "$response" | jq ".pages") + + while true + do + h=$(printf "%s" "$DIP_RECORD" | cut -d . -f $i-100) + + if [[ -z "$h" ]] + then + return 1 + fi + + domain_id="$(sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq --arg domain="$h" '.data[] | select(.domain==$domain).id')")" + + if [[ -n "$domain_id" ]] + then + _sub_domain=$(printf "%s" "$DIP_RECORD" | cut -d . -f-$p) + _domain=$h + _domain_id=$domain_id + return 0 + fi + p=$i + (( i++ )) || true + done + + if [[ $page -ge $total_pages ]] + then + return 1 + fi + done <<< "$(curl --silent -X GET -H "Content-Type: application/json" -H "Authorization: Bearer $agent_update_dns_linode_v4_token" "https://api.linode.com/v4/domains/")" + return 1 +} + +_update_dns_linode_v4_get_record_id() { + local domain=$1 + local dtype=$2 + local subdomain=$3 + local response + local record_id + + if [[ "${#subdomain}" -gt "${#domain}" ]]; then + subdomain="${subdomain:0:${#subdomain}-${#domain}-1}" + else + subdomain="@" + fi + + response=$(curl \ + --silent \ + -X GET \ + -H "Content-Type: application/json" \ + -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \ + "https://api.linode.com/v4/domains/$domain/records") + + #sed -e 's/^"//' -e 's/"$//' <<<"$(echo "$response" | jq ".domain_names[].name" )" + record_id="$(echo "$response" | jq --arg subdomain "$subdomain" --arg dtype "$dtype" '.data[] | select(.name==$subdomain and .type==$dtype).id')" + + if [[ -z "$record_id" ]] + then + return 1 + else + _record_id=$record_id + return 0 + fi +} + +if _update_dns_linode_v4_get_domain; then + if valid_ipv4 "$DIP_CUR_IP"; then + log "Updating Linode DNS IPv4 Record: ${DIP_RECORD} to ${DIP_CUR_IP}" + + if _update_dns_do_get_record_id "$_domain_id" "A" "$_sub_domain" + then + curl --silent \ + -X PUT \ + -H "Content-Type: application/json" \ + -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \ + -d '{"target":"'$DIP_CUR_IP'"}' \ + "https://api.linode.com/v4/domains/$_domain_id/records/$_record_id" > /dev/null; + else + logerr "WARN: No A record exists for $DIP_RECORD" + fi + fi + + if valid_ipv6 "$DIP_CUR_IP"; then + log "Updating Linux DNS IPv6 Record: ${DIP_RECORD} to ${DIP_CUR_IP}" + + if _update_dns_do_get_record_id "$_domain_id" "AAAA" "$_sub_domain" + then + curl --silent \ + -X PUT \ + -H "Content-Type: application/json" \ + -H "Authorization: Bearer $agent_update_dns_linode_v4_token" \ + -d '{"target":"'$DIP_CUR_IP'"}' \ + "https://api.linode.com/v4/domains/$_domain_id/records/$_record_id" > /dev/null; + else + logerr "WARN: No AAAA record exists for $DIP_RECORD" + fi + fi +else + logerr "ERROR: Cannot find domain in DigitalOcean DNS API" + exit 99 +fi