bundlewrap/bundles/wireguard/metadata.py
2022-09-11 22:29:43 +02:00

136 lines
3.6 KiB
Python

from ipaddress import ip_network, ip_interface
from bundlewrap.exceptions import NoSuchNode
from bundlewrap.metadata import atomic
repo.libs.wireguard.repo = repo
defaults = {
'apt': {
'packages': {
'wireguard': {
'backports': node.os_version < (11,),
'triggers': [
'svc_systemd:systemd-networkd:restart',
],
},
},
},
'nftables': {
'input': {
'udp dport 51820 accept',
},
},
'wireguard': {
's2s': {},
'clients': {},
},
}
@metadata_reactor.provides(
'wireguard/s2s',
'wireguard/clients',
)
def s2s_peer_specific(metadata):
return {
'wireguard': {
's2s': {
s2s: {
'peer_id': repo.get_node(s2s).metadata.get(f'id'),
'peer_ip': repo.get_node(s2s).metadata.get(f'wireguard/my_ip'),
'endpoint': f'{repo.get_node(s2s).hostname}:51820',
'allowed_ips': [
str(ip_interface(repo.get_node(s2s).metadata.get(f'wireguard/my_ip')).network),
],
}
for s2s in metadata.get('wireguard/s2s')
},
'clients': {
client: {
'peer_id': client,
'allowed_ips': [
str(ip_interface(conf['peer_ip']).network),
],
}
for client, conf in metadata.get('wireguard/clients').items()
},
},
}
@metadata_reactor.provides(
'systemd/units',
)
def systemd_networkd_networks(metadata):
network = {
'Match': {
'Name': 'wg0',
},
'Address': {
'Address': metadata.get('wireguard/my_ip'),
},
'Network': {
'DHCP': 'no',
'IPForward': 'yes',
'IPv6AcceptRA': 'no',
},
}
for peer, config in metadata.get('wireguard/s2s').items():
for route in config.get('allowed_ips', []):
network.update({
f'Route#{peer}_{route}': {
'Destination': route,
'Gateway': str(ip_interface(metadata.get('wireguard/my_ip')).ip),
}
})
return {
'systemd': {
'units': {
'wireguard.network': network,
},
},
}
@metadata_reactor.provides(
'systemd/units',
)
def systemd_networkd_netdevs(metadata):
netdev = {
'NetDev': {
'Name': 'wg0',
'Kind': 'wireguard',
'Description': 'WireGuard server',
},
'WireGuard': {
'PrivateKey': repo.libs.wireguard.privkey(metadata.get('id')),
'ListenPort': 51820,
},
}
for peer, config in {
**metadata.get('wireguard/s2s'),
**metadata.get('wireguard/clients'),
}.items():
netdev.update({
f'WireGuardPeer#{peer}': {
'PublicKey': repo.libs.wireguard.pubkey(config['peer_id']),
'PresharedKey': repo.libs.wireguard.psk(config['peer_id'], metadata.get('id')),
'AllowedIPs': ', '.join(config.get('allowed_ips', [])),
'PersistentKeepalive': 30,
}
})
if config.get('endpoint'):
netdev[f'WireGuardPeer#{peer}']['Endpoint'] = config['endpoint']
return {
'systemd': {
'units': {
'wireguard.netdev': netdev,
},
},
}