homelab/packer/files/hcloud-metadata
2024-03-17 11:07:58 +01:00

43 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python3
import yaml, json, sys
from collections import defaultdict
from urllib.request import urlopen
metadata = 'http://169.254.169.254/hetzner/v1/metadata'
networks = 'http://169.254.169.254/hetzner/v1/metadata/private-networks'
with urlopen(metadata) as metadata:
metadata = yaml.safe_load(metadata)
metadata_net = metadata['network-config']['config'][0]
with urlopen(networks) as networks:
networks = yaml.safe_load(networks)
data = {
'network': {
'nameservers': [],
'mac_address': metadata_net['mac_address'],
'ipv4_address': metadata['public-ipv4'],
'ipv4_subnet': metadata['public-ipv4'] + '/32',
'ipv4_gateway': '172.31.1.1',
'private': networks,
},
'hostname': metadata['hostname'],
'instance_id': metadata['instance-id'],
'ssh_keys': [x.rstrip() for x in metadata['public-keys']],
}
for subnet in metadata_net['subnets']:
if 'dns_nameservers' in subnet:
data['network']['nameservers'] += subnet['dns_nameservers']
if 'ipv6' in subnet:
if 'address' in subnet:
data['network']['ipv6_subnet'] = subnet['address']
data['network']['ipv6_address'] = subnet['address'][:-3]
if 'gateway' in subnet:
data['network']['ipv6_gateway'] = subnet['gateway']
json.dump(data, sys.stdout)