nixos-config/machines/orbi/service-nix-cache.nix
2025-02-14 21:46:45 +13:00

58 lines
1.6 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
port = 5005;
in
{
# generate private key with:
# nix-store --generate-binary-cache-key my-secret-key my-public-key
clan.core.facts.services."nix-serve" = {
secret."nix-serve.key" = { };
public."nix-serve.pub" = { };
generator.path = with pkgs; [
coreutils
nix
];
generator.script = ''
nix-store --generate-binary-cache-key "cache.${config.networking.hostName}.wg0" nix-serve.key nix-serve.pub
mv nix-serve.key "$secrets"/nix-serve.key
mv nix-serve.pub "$facts"/nix-serve.pub
'';
};
services.harmonia = {
enable = true;
signKeyPaths = [ config.clan.core.facts.services.nix-serve.secret."nix-serve.key".path ];
settings = {
bind = "127.0.0.1:${toString port}";
priority = 100;
};
};
healthchecks.closed.public.ports.nix-cache = [ port ];
healthchecks.http.nix-cache = {
url = "cache.${config.networking.hostName}.wg0/nix-cache-info";
expectedContent = "Priority: ${toString config.services.harmonia.settings.priority}";
};
services.nginx = {
enable = true;
virtualHosts."cache.${config.networking.hostName}.wg0" = {
locations."/".extraConfig = ''
proxy_pass http://localhost:${toString port};
proxy_set_header Host $host;
proxy_http_version 1.1;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
allow ${config.wireguard.wg0.subnet};
deny all;
'';
};
};
}