86 lines
3 KiB
Nix
86 lines
3 KiB
Nix
{ inputs, pkgs, lib, hosts, config, ... }:
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let
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inherit (config.networking) hostName;
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inherit (inputs.self.packages.${pkgs.system}) hyprspace;
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hyprspaceCapableNodes = lib.filterAttrs (_: host: host ? hypr) hosts;
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peersFormatted = builtins.mapAttrs (_: x: { "${x.hypr.addr}".id = x.hypr.id; }) hyprspaceCapableNodes;
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peersFiltered = lib.filterAttrs (name: _: name != hostName) peersFormatted;
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buildHyprspacePeerList = peers: pkgs.writeText "hyprspace-peers.yml" (builtins.toJSON peers);
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peers = lib.foldAttrs (n: _: n) null (builtins.attrValues peersFiltered);
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peerList = buildHyprspacePeerList peers;
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myNode = hosts.${hostName};
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listenPort = myNode.hypr.listenPort or 8001;
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precedingConfig = pkgs.writeText "hyprspace-interface.yml" ''
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interface:
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name: hyprspace
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listen_port: ${builtins.toString listenPort}
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id: ${myNode.hypr.id}
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address: ${myNode.hypr.addr}/24
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private_key: !!binary |
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'';
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privateKeyFile = config.age.secrets.hyprspace-key.path;
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runConfig = "/run/hyprspace.yml";
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in {
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networking.hosts = lib.mapAttrs' (k: v: lib.nameValuePair (v.hypr.addr) ([k "${k}.hypr"])) hyprspaceCapableNodes;
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age.secrets.hyprspace-key = {
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file = ../../secrets/hyprspace-key- + "${hostName}.age";
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mode = "0400";
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};
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age.secrets.ipfs-swarm-key = {
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file = ../../secrets/ipfs-swarm-key.age;
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mode = "0400";
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};
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systemd.services.hyprspace = {
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enable = true;
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wantedBy = [ "multi-user.target" ];
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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preStart = ''
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test -e ${runConfig} && rm ${runConfig}
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touch ${runConfig}
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chmod 0600 ${runConfig}
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cat ${precedingConfig} >> ${runConfig}
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sed 's/^/ /g' ${privateKeyFile} >> ${runConfig}
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echo -n 'peers: ' >> ${runConfig}
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cat ${peerList} >> ${runConfig}
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chmod 0400 ${runConfig}
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'';
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environment = {
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HYPRSPACE_SWARM_KEY = config.age.secrets.ipfs-swarm-key.path;
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} // (lib.optionalAttrs config.services.ipfs.enable {
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HYPRSPACE_IPFS_API = config.services.ipfs.apiAddress;
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});
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serviceConfig = {
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Restart = "on-failure";
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RestartSec = "5s";
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ExecStart = "${hyprspace}/bin/hyprspace up hyprspace -f -c ${runConfig}";
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ExecStop = "${hyprspace}/bin/hyprspace down hyprspace";
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};
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};
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networking.firewall = {
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allowedTCPPorts = [ listenPort ];
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allowedUDPPorts = [ listenPort ];
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trustedInterfaces = [ "hyprspace" ];
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};
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networking.networkmanager.dispatcherScripts = [{
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source = pkgs.writeShellScript "hyprspace-reconnect.sh" ''
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[[ "$2" != "up" ]] && exit 0
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PATH=${pkgs.systemd}/bin:$PATH
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case $1 in
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wl*|en*)
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if systemctl is-active hyprspace.service; then
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${builtins.concatStringsSep "\n" (map (peer: "/run/wrappers/bin/ping -qnA -c3 -W1 ${peer} && exit") (builtins.attrNames peers))}
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fi
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systemctl restart --no-block hyprspace.service;;
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esac
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exit 0
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'';
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type = "basic";
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}];
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}
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