refactor: standardize hetzner machines

Signed-off-by: Lander Van den Bulcke <landervandenbulcke@gmail.com>
This commit is contained in:
Lander Van den Bulcke 2025-09-18 23:20:10 +02:00
parent 6289ac038f
commit b3c5b0c362
Signed by: lander
GPG key ID: 0142722B4B0C536F
7 changed files with 266 additions and 129 deletions

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{ config, pkgs, ... }:
{
networking.firewall = {
enable = true;
allowedTCPPorts = [
80
443
];
allowedUDPPorts = [
51820
];
};
networking.iproute2.enable = true;
systemd.network.config = {
routeTables = {
vpn = 133;
};
addRouteTablesToIPRoute2 = true;
};
systemd.services."netns@" = {
description = "Network namespace %i";
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = "${pkgs.iproute2}/bin/ip netns add %i";
ExecStop = "${pkgs.iproute2}/bin/ip netns del %i";
};
};
systemd.services."veth-setup@" = {
description = "Setup veth pair for %i namespace";
after = [ "netns@%i.service" ];
requires = [ "netns@%i.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart =
let
script = pkgs.writers.writeBash "veth-up" ''
ns="$1"
${pkgs.iproute2}/bin/ip link add veth-init-$ns type veth peer name veth-ns-$ns
${pkgs.iproute2}/bin/ip link set veth-ns-$ns netns $ns
${pkgs.iproute2}/bin/ip link set veth-init-$ns up
${pkgs.iproute2}/bin/ip netns exec $ns ${pkgs.iproute2}/bin/ip link set veth-ns-$ns up
${pkgs.iproute2}/bin/ip netns exec $ns ${pkgs.iproute2}/bin/ip addr add 10.0.0.2/24 dev veth-ns-$ns
'';
in
"${script} %i";
ExecStop = "${pkgs.iproute2}/bin/ip link del veth-%i";
};
};
systemd.network.networks."50-veth" = {
matchConfig.Name = "veth-init-vpn";
networkConfig = {
Address = "10.0.0.1/24";
};
};
systemd.services."wireguard-wg0".requires = [
"netns@vpn.service"
"veth-setup@vpn.service"
];
networking.wireguard = {
enable = true;
useNetworkd = false;
interfaces.wg0 = {
ips = [
"10.64.244.95/32"
"fc00:bbbb:bbbb:bb01::1:f45e/128"
];
peers = [
{
publicKey = "KkShcqgwbkX2A9n1hhST6qu+m3ldxdJ2Lx8Eiw6mdXw=";
allowedIPs = [
"0.0.0.0/0"
"::0/0"
];
endpoint = "146.70.117.226:51820";
persistentKeepalive = 25;
}
];
listenPort = 51820;
privateKeyFile = config.sops.secrets.wireguardKey.path;
socketNamespace = "init";
interfaceNamespace = "vpn";
};
};
environment.systemPackages = with pkgs; [
gocryptfs
sshfs
];
programs.ssh.knownHosts.storageBox = {
hostNames = [ "u491729.your-storagebox.de" ];
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIICf9svRenC/PLKIL9nk6K/pxQgoiFC41wTNvoIncOxs";
};
fileSystems."/mnt/box" = {
device = "u491729@u491729.your-storagebox.de:/home";
fsType = "fuse.sshfs";
options = [
"defaults"
"_netdev"
"allow_other"
"default_permissions"
"port=23"
"compression=no"
"reconnect"
"ServerAliveInterval=15"
"IdentityFile=${config.sops.secrets.storageboxKey.path}"
];
};
fileSystems."/data" = {
depends = [
"/mnt/box"
];
device = "/mnt/box/crypt";
fsType = "fuse.gocryptfs";
options = [
"rw"
"allow_other"
"passfile=${config.sops.secrets.storageboxCryptKey.path}"
];
};
sops = {
defaultSopsFile = ./hosting-02.yaml;
secrets = {
wireguardKey = {
owner = "root";
};
storageboxKey = {
owner = "root";
};
storageboxCryptKey = {
owner = "root";
};
};
};
security.acme.defaults.email = "landervandenbulcke@gmail.com";
security.acme.acceptTerms = true;
system.stateVersion = "25.05";
}

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wireguardKey: ENC[AES256_GCM,data:Z239oQMzOp4C33pBePuANX3aPkmjTcrT+Z/UY0dnUCmMOs2Oy3iktS6Fgsw=,iv:21XLXpgsoYpvz887ZlLJW/A6IOJwEX5YwJrnO725M5U=,tag:VDGjOiYqFN8tMhf8s2YV6g==,type:str]
storageboxKey: ENC[AES256_GCM,data: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,iv:sEwA6zrK6FFqTmVJOMD77g0OuDjCHDLRBlirjhZBx/0=,tag:z1fX+7goXk4U6Di+4EK6Fw==,type:str]
storageboxCryptKey: ENC[AES256_GCM,data:ryYOzFvdPaVkOHmypYbqw+KU6aB2OQutLw==,iv:FL4c7P36qxYR1KJlg7t0dvFHlKGMIrTlQG+CDkeJu9U=,tag:Ia4mhV9Ed/m1rRMCNnHqXw==,type:str]
sops:
age:
- recipient: age1hvrssz7k9akz66evj4kja53zvdtrss8k2ljxsh5myh2mru62sggqznlzrt
enc: |
-----BEGIN AGE ENCRYPTED FILE-----
YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBVSlA1Z3Q0ZzNlSmVtZmhn
dmxZWHplaEJXWFY3UjVSVDhaRkovb0srRkJvClpENmkzK3YrYysvVTJJQ1JVTDA0
VG5ySFJYQTlqbkJVZ2pwYjhXeHNsQXcKLS0tIEZDdTRYUzJFdUdUeVpOd3gybkxs
b1ZqUzZLUkFwNHJyVlhmK0FOZ1JFYUEKDU4NmBCHRY+ZK+RFK/LioGzjJTaOE1ky
MC6jxt7Y5RkCk0BBqeoEVLaNXNViPjwakbvyfH0w0P6l0KDJ4mNlYQ==
-----END AGE ENCRYPTED FILE-----
lastmodified: "2025-09-18T21:32:51Z"
mac: ENC[AES256_GCM,data:y3iMxGNyJfkmJZebiJ/iW/fhX3758Bz8/z8GfzvBiosjHOE6Awka70uQ7rFvHrLIFATDCrWW09ERD16/EIGL7bZMBKeXmjpkTe9WrmqYu4aS9qj1A/UzcW9zkxj6kKSZlgbdh2RaPXj9VcVfdYs/WDp8cxAuNmFLLEpY9Ar0SSY=,iv:rSGm4Y9XWrYmA2rL3t63NfSgHd6wBPWbtvfGivj6Qq0=,tag:gdHWOS0NO5piFK3fQiCSrw==,type:str]
pgp:
- created_at: "2025-09-18T21:32:42Z"
enc: |-
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hF4DARdpY4woM6wSAQdA3//4oqX5uJuZHRzZ4TYvZ4rvbh1RLXKKwzmKkZ1wYBMw
kXxBjyp9624BQvC0P/aXgr1dWnAqkqNG7/y6Zfg0CLK8qcCkDiur20EH35XOy2gv
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tSkkum0EpC8P+4aiqcKyFy0KfsmOlouT6QqmlH1VZvCfRPZ1hysWG2bIzV0BDDOo
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fp: 4BE1257015580BAB9F4B9D5FCA5B1C34E649BF92
unencrypted_suffix: _unencrypted
version: 3.10.2