#!/bin/bash

set -e

# Hostname: {{ ansible_hostname }}
URL="https://api.linode.com/"
USERNAME="{{ linode_dns__api_username }}"
KEY="{{ linode_dns__api_key }}"
DOMAIN_ID="{{ linode_dns__domain_id }}"

PATH=/sbin:/usr/sbin:/bin:/usr/bin:

req() {
  PARAMS=()
  for p in "$@"
  do
    PARAMS+=(-F "$p")
  done

  curl \
    -4 \
    --user "$USERNAME:$KEY" -s \
    "${PARAMS[@]}" \
    "$URL" >/dev/null # | jq
}

domain_resource_update() {
  req api_action=domain.resource.update DomainId="$1" ResourceId="$2" Type="$3" Target="$4"
}

{% if linode_dns__ipv4_resource is defined %}
domain_resource_update "$DOMAIN_ID" "{{ linode_dns__ipv4_resource }}" "A" "[remote_addr]"
{% endif %}

{% if linode_dns__ipv6_resource is defined %}
q=''
#q='map(select(.ifname=="wlx00e01d0808b2"))'
q='map(.addr_info) | flatten | map(select(.scope=="global" and .deprecated != true and .mngtmpaddr != true and (.local|test("^fd")|not)) | .local) | first'
ip=$(ip -6 -json addr | jq -r -c "$q")

if [[ ! -z $ip ]]
then
  echo "Setting IPv6 to $ip."
  domain_resource_update "$DOMAIN_ID" "{{ linode_dns__ipv6_resource }}" "AAAA" "$ip"
fi
{% endif %}