depot/modules/hyprspace/default.nix

102 lines
3 KiB
Nix

{ pkgs, depot, lib, config, ... }:
let
inherit (config.networking) hostName;
inherit (depot.packages) hyprspace;
hyprspaceCapableNodes = lib.filterAttrs (_: host: host.hyprspace.enable) depot.hours;
peersFormatted = builtins.mapAttrs (name: x: {
inherit name;
inherit (x.hyprspace) id;
routes = map (net: { inherit net; }) x.hyprspace.routes;
}) hyprspaceCapableNodes;
peersFiltered = lib.filterAttrs (name: _: name != hostName) peersFormatted;
peerList = builtins.attrValues peersFiltered;
myNode = depot.reflection;
listenPort = myNode.hyprspace.listenPort or 8001;
interfaceConfig = pkgs.writeText "hyprspace.json" (builtins.toJSON {
listenAddresses = let
inherit (myNode.interfaces.primary) addr;
port = toString listenPort;
in [
"/ip4/${addr}/tcp/${port}"
"/ip4/${addr}/udp/${port}/quic-v1"
];
privateKey = "@HYPRSPACEPRIVATEKEY@";
peers = peerList;
});
privateKeyFile = config.age.secrets.hyprspace-key.path;
runConfig = "/run/hyprspace.json";
nameservers = lib.unique config.networking.nameservers;
in {
links.hyprspaceMetrics.protocol = "http";
age.secrets.hyprspace-key = {
file = ../../secrets/hyprspace-key- + "${hostName}.age";
mode = "0400";
};
systemd.services.hyprspace = {
enable = true;
after = [ "network-online.target" ];
wantedBy = [ "multi-user.target" ];
preStart = ''
test -e ${runConfig} && rm ${runConfig}
cp ${interfaceConfig} ${runConfig}
chmod 0600 ${runConfig}
${pkgs.replace-secret}/bin/replace-secret '@HYPRSPACEPRIVATEKEY@' "${privateKeyFile}" ${runConfig}
chmod 0400 ${runConfig}
'';
environment.HYPRSPACE_METRICS_PORT = config.links.hyprspaceMetrics.portStr;
serviceConfig = {
Group = "wheel";
Restart = "on-failure";
RestartSec = "5s";
ExecStart = "${hyprspace}/bin/hyprspace up -c ${runConfig}";
ExecStopPost = "${pkgs.coreutils}/bin/rm -f /run/hyprspace-rpc.hyprspace.sock";
IPAddressDeny = [
"10.0.0.0/8"
"100.64.0.0/10"
"169.254.0.0/16"
"172.16.0.0/12"
"192.0.0.0/24"
"192.0.2.0/24"
"192.168.0.0/16"
"198.18.0.0/15"
"198.51.100.0/24"
"203.0.113.0/24"
"240.0.0.0/4"
"100::/64"
"2001:2::/48"
"2001:db8::/32"
"fc00::/7"
"fe80::/10"
];
IPAddressAllow = nameservers;
};
};
networking.firewall = {
allowedTCPPorts = [ listenPort ];
allowedUDPPorts = [ listenPort ];
trustedInterfaces = [ "hyprspace" ];
};
environment.systemPackages = [
hyprspace
];
services.grafana-agent.settings.metrics.configs = lib.singleton {
name = "metrics-hyprspace";
scrape_configs = lib.singleton {
job_name = "hyprspace";
static_configs = lib.singleton {
targets = lib.singleton config.links.hyprspaceMetrics.tuple;
labels = {
instance = hostName;
peer_id = myNode.hyprspace.id;
};
};
};
};
}