2021-09-29 17:27:13 +00:00
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from ipaddress import IPv4Network
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AS_NUMBERS = {
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# 4290xxxxxx
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'home': 4290000138,
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'htz-cloud': 4290000137,
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2023-09-09 12:11:39 +00:00
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'ionos': 4290000002,
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2021-09-29 17:27:13 +00:00
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'ovh': 4290000001,
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}
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2023-09-09 12:11:39 +00:00
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WG_AUTOGEN_NODES = [
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# only ever append to this list. If a node vanishes, set its name to
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# `None`. You may remove nodes from the end of this, though it's not
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# recommended to do so.
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None, # fkusei-locutus never used this
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'home.router',
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'htz-cloud.wireguard',
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'icinga2',
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'ovh.icinga2',
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'ovh.wireguard',
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]
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2021-09-29 17:27:13 +00:00
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2023-09-09 12:11:39 +00:00
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def get_subnet_for_connection(repo, peer_a, peer_b):
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assert peer_a in WG_AUTOGEN_NODES
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assert peer_b in WG_AUTOGEN_NODES
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2021-09-29 17:27:13 +00:00
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2023-09-09 12:11:39 +00:00
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pos_peer_a = WG_AUTOGEN_NODES.index(peer_a)
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pos_peer_b = WG_AUTOGEN_NODES.index(peer_b)
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2021-09-29 17:27:13 +00:00
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vpn_subnet = list(IPv4Network('169.254.0.0/16').subnets(new_prefix=24))[pos_peer_a]
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return list(IPv4Network(vpn_subnet).subnets(new_prefix=31))[pos_peer_b]
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