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