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annotate wireguard.py @ 76:de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
| author | drewp@bigasterisk.com |
|---|---|
| date | Sat, 11 Jun 2022 22:58:35 -0700 |
| parents | 52156d3898c5 |
| children | 2fddde57231b |
| rev | line source |
|---|---|
| 5 | 1 import subprocess |
| 2 | |
| 3 from pyinfra import host | |
| 4 from pyinfra.facts.files import FindInFile | |
|
76
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
5 from pyinfra.operations import apt, files, server, systemd |
| 5 | 6 |
| 7 # other options: | |
| 8 # https://www.reddit.com/r/WireGuard/comments/fkr240/shortest_path_between_peers/ | |
| 9 # https://github.com/k4yt3x/wireguard-mesh-configurator | |
| 10 # https://github.com/mawalu/wireguard-private-networking | |
| 11 # | |
| 12 | |
| 13 | |
| 14 def peer_block(hostname, public_key, allowed_ips, endpoint=None, keepalive=None): | |
| 15 out = f'''\ | |
| 16 | |
| 17 [Peer] | |
| 18 # {hostname} | |
| 19 PublicKey = {public_key} | |
| 20 AllowedIPs = {allowed_ips} | |
| 21 ''' | |
| 22 if endpoint is not None: | |
| 23 out += f'Endpoint = {endpoint}\n' | |
| 24 if keepalive is not None: | |
| 25 out += f'PersistentKeepalive = {keepalive}\n' | |
| 26 return out | |
| 27 | |
| 28 | |
| 29 for wireguard_interface in ['wg0', 'bogasterisk']: | |
| 30 if wireguard_interface == 'bogasterisk' and host.name != 'prime': | |
| 31 continue | |
| 32 | |
| 33 # note- this is specific to the wg0 setup. Other conf files don't use it. | |
| 34 wireguard_ip = host.host_data['wireguard_address'] | |
| 35 | |
| 36 apt.packages(packages=['wireguard']) | |
| 37 # new pi may fail with 'Unable to access interface: Protocol not supported'. reboot fixes. | |
| 38 | |
| 39 priv_key_lines = host.get_fact(FindInFile, path=f'/etc/wireguard/{wireguard_interface}.conf', pattern=r'PrivateKey.*') | |
| 40 if not priv_key_lines: | |
| 41 priv_key = subprocess.check_output(['wg', 'genkey']).strip().decode('ascii') | |
| 42 else: | |
| 43 priv_key = priv_key_lines[0].split(' = ')[1] | |
| 44 | |
| 45 pub_key = subprocess.check_output(['wg', 'pubkey'], input=priv_key.encode('ascii')).strip().decode('ascii') | |
| 46 # todo: if this was new, it should be added to a file of pubkeys that peer_block can refer to | |
| 47 | |
| 48 files.template( | |
| 12 | 49 src=f'templates/wireguard/{wireguard_interface}.conf.j2', |
| 5 | 50 dest=f'/etc/wireguard/{wireguard_interface}.conf', |
| 51 mode='600', | |
| 52 wireguard_ip=wireguard_ip, | |
| 53 priv_key=priv_key, | |
| 54 peer_block=peer_block, | |
| 55 ) | |
| 56 svc = f'wg-quick@{wireguard_interface}.service' | |
|
76
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
57 |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
58 files.template(src='templates/wireguard/wg.service.j2', |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
59 dest=f'/etc/systemd/system/{svc}', |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
60 wireguard_interface=wireguard_interface) |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
61 systemd.service(service=f'{svc}', enabled=True, restarted=True, daemon_reload=True) |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
62 |
|
de387eae06cf
still trying to sequence dhcp->wireguard->dns startup
drewp@bigasterisk.com
parents:
71
diff
changeset
|
63 # files.link(path=f'/etc/systemd/system/multi-user.target.wants/{svc}', target='/lib/systemd/system/wg-quick@.service') |
| 5 | 64 |
| 9 | 65 systemd.service(service=svc, daemon_reload=True, restarted=True, enabled=True) |
| 71 | 66 |
| 67 if host.name == 'bang': | |
| 68 # recompute, or else maybe dnsmasq_10.5 won't start | |
| 69 server.shell("systemctl enable dnsmasq_10.2.service") | |
| 70 server.shell("systemctl enable dnsmasq_10.5.service") | |
| 71 server.shell("systemctl enable wg-quick@wg0.service") |