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November 25, 2021 15:51
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Ansible Tailscale inventory script
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#!/usr/bin/env python3 | |
# Copyright (c) 2021 Paul Tötterman <paul.totterman@iki.fi> | |
# | |
# Permission to use, copy, modify, and/or distribute this software for any | |
# purpose with or without fee is hereby granted, provided that the above | |
# copyright notice and this permission notice appear in all copies. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH | |
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY | |
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, | |
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM | |
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR | |
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
# PERFORMANCE OF THIS SOFTWARE. | |
import requests | |
import pprint | |
import json | |
import sys | |
import os | |
from urllib.parse import urljoin | |
BASEURL = 'https://api.tailscale.com/api/v2/' | |
def fetchdata(tailnet, key): | |
url = urljoin(urljoin(urljoin(BASEURL, 'tailnet/'), tailnet + '/'), | |
'devices') | |
res = requests.get(url, auth=(key, '')).json() | |
result = {} | |
result['all'] = {} | |
result['all']['children'] = ['ungrouped'] | |
result['ungrouped'] = {} | |
result['ungrouped']['hosts'] = [] | |
result['_meta'] = {} | |
result['_meta']['hostvars'] = {} | |
for device in res['devices']: | |
d = {} | |
d['ansible_host'] = device['addresses'][0] | |
d['tailscale_fqdn'] = device['name'] + '.beta.tailscale.net' | |
d['tailscale_ipv4'] = device['addresses'][0] | |
if len(device['addresses']) > 1: | |
d['tailscale_ipv6'] = device['addresses'][1] | |
result['_meta']['hostvars'][device['name']] = d | |
result['ungrouped']['hosts'] += [device['name']] | |
return result | |
def main(): | |
key = os.getenv('TAILSCALE_APIKEY', '') | |
tailnet = os.getenv('TAILSCALE_TAILNET', '') | |
result = fetchdata(tailnet, key) | |
if len(sys.argv) > 1 and sys.argv[1] == '--list': | |
print(json.dumps(result)) | |
elif len(sys.argv) > 2 and sys.argv[1] == '--host': | |
print(json.dumps(result['_meta']['hostvars'][sys.argv[2]])) | |
if __name__ == '__main__': | |
main() |
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tailscale/tailscale#270 (comment)