nixos-dotfiles/hosts/nixserve/services.nix

{ config, pkgs, rssdownloader-src, ... }:

let
  rssdownloader = pkgs.callPackage ./rssdownloader.nix { src = rssdownloader-src; };

  proxyVhost = { upstream, websockets ? true, maxBodySize ? "1g", proxySsl ? false }: {
    forceSSL = true;
    enableACME = true;
    locations."/" = {
      proxyPass = upstream;
      proxyWebsockets = websockets;
      extraConfig = ''
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 3600;
        proxy_send_timeout 3600;
        proxy_buffering off;
        client_max_body_size ${maxBodySize};
      '' + (if proxySsl then ''
        proxy_ssl_verify off;
      '' else "");
    };
  };

  dockerService = { name, description, dir }: {
    inherit description;
    after = [ "docker.service" "network.target" ];
    requires = [ "docker.service" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      Type = "oneshot";
      RemainAfterExit = true;
      WorkingDirectory = dir;
      ExecStart = "${pkgs.docker-compose}/bin/docker-compose up -d";
      ExecStop = "${pkgs.docker-compose}/bin/docker-compose down";
    };
  };
in
{
  services.nfs.server = {
    enable = true;
    statdPort = 4000;
    lockdPort = 4001;
    mountdPort = 4002;
    exports = ''
      /media  192.168.50.0/24(rw,sync,no_subtree_check,all_squash,anonuid=1000,anongid=1000,fsid=0,insecure)
      /media  100.64.0.0/10(rw,sync,no_subtree_check,all_squash,anonuid=1000,anongid=1000,fsid=0,insecure)
    '';
  };

  services.jellyfin.enable = true;

  services.tailscale = {
    enable = true;
    openFirewall = true;
    useRoutingFeatures = "server";
  };

  services.syncthing = {
    enable = true;
    user = "ulve";
    dataDir = "/home/ulve";
    configDir = "/home/ulve/.config/syncthing";
    openDefaultPorts = true;
    settings.devices."macbook" = {
      id = "U4YVRUT-JAAXHQ4-TA6FAGH-SO6Z7CI-KDFPRNG-UZYNXDK-6OQY7ZA-UBTZRQW";
    };
    settings.devices."phone" = {
      id = "WXTP2PT-GW3C3EJ-JYYYXUT-VEKCAQV-NQTPQLI-TOMDAI3-CSUUHF5-6DH72AM";
    };
    settings.folders."Downloads" = {
      path = "/home/ulve/Downloads";
      devices = [ "macbook" ];
    };
    settings.folders."yrw8u-ut036" = {
      path = "/home/ulve/Phone";
      devices = [ "phone" ];
    };
    settings.folders."xdnt7-iaqtd" = {
      path = "/home/ulve/Vaults";
      devices = [ "macbook" ];
    };
  };

  #services.immich = {
  #  enable = true;
  #  mediaLocation = "/media/immich";
  #};

  users.users.git = {
    isSystemUser = true;
    group = "git";
    home = "/media/git";
    shell = pkgs.bash;
  };
  users.groups.git = {};

  services.gitea = {
    enable = true;
    user = "git";
    group = "git";
    stateDir = "/media/git";
    settings = {
      server = {
        DOMAIN = "git.maybec.at";
        ROOT_URL = "https://git.maybec.at/";
        HTTP_ADDR = "127.0.0.1";
        HTTP_PORT = 3001;
        START_SSH_SERVER = false;
        SSH_DOMAIN = "git.maybec.at";
        SSH_PORT = 22;
        SSH_USER = "git";
      };
      service.DISABLE_REGISTRATION = true;
    };
  };

  services.openssh.extraConfig = ''
    Match User git
      AuthorizedKeysCommand ${config.services.gitea.package}/bin/gitea keys -c ${config.services.gitea.customDir}/conf/app.ini -e git -u %u -t %t -k %k
      AuthorizedKeysCommandUser git
  '';

  services.zfs.autoScrub = {
    enable = true;
    interval = "monthly";
    pools = [ "media" ];
  };

  # DNS ad-blocking for other LAN/Tailscale clients only.
  # nixserve's own DNS resolution is untouched (Tailscale MagicDNS via resolv.conf).
  services.pihole-ftl = {
    enable = true;
    openFirewallDNS = true;
    openFirewallWebserver = true;

    lists = [
      { url = "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts"; description = "StevenBlack unified hosts"; }
    ];

    settings = {
      dns.upstreams = [ "1.1.1.1" "1.0.0.1" ];
      webserver.api.cli_pw = true;
    };
  };

  services.pihole-web = {
    enable = true;
    ports = [ "8081o" ];
  };

  # Lock the smart TV down to *.maybec.at only: everything else fails to resolve.
  # This seeds Pi-hole's gravity.db (groups/clients/rules) declaratively on every
  # boot/rebuild -- that data lives outside pihole.toml so it isn't covered by
  # services.pihole-ftl.settings.
  systemd.services.pihole-tv-lockdown = {
    description = "Seed Pi-hole gravity.db with smart TV DNS lockdown rules";
    # gravity.db's group/client/rule tables are queried live per DNS lookup
    # (not cached at FTL startup), so this only needs to run after FTL has
    # created the database -- no need to race it to run "before" FTL starts.
    after = [ "pihole-ftl.service" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      Type = "oneshot";
      RemainAfterExit = true;
      User = config.services.pihole-ftl.user;
      Group = config.services.pihole-ftl.group;
    };
    script = ''
      set -euo pipefail
      ${pkgs.sqlite}/bin/sqlite3 "${config.services.pihole-ftl.stateDirectory}/gravity.db" <<'SQL'
        INSERT OR IGNORE INTO "group" (name, enabled, description)
          VALUES ('tv-only', 1, 'Smart TV: only *.maybec.at may resolve');

        INSERT OR IGNORE INTO domainlist (type, domain, enabled, comment)
          VALUES (2, '.*', 1, 'tv-only: deny everything');
        INSERT OR IGNORE INTO domainlist (type, domain, enabled, comment)
          VALUES (3, '(^|\.)maybec\.at$', 1, 'tv-only: allow maybec.at and subdomains');

        INSERT OR IGNORE INTO domainlist_by_group (domainlist_id, group_id)
          SELECT d.id, g.id FROM domainlist d, "group" g
          WHERE d.domain IN ('.*', '(^|\.)maybec\.at$') AND g.name = 'tv-only';

        INSERT OR IGNORE INTO client (ip, comment)
          VALUES ('20:28:bc:15:1d:c0', 'Smart TV (locked to maybec.at only)');

        INSERT OR IGNORE INTO client_by_group (client_id, group_id)
          SELECT c.id, g.id FROM client c, "group" g
          WHERE c.ip = '20:28:bc:15:1d:c0' AND g.name = 'tv-only';

        -- Pi-hole auto-links every new domainlist/client row into the Default
        -- group (tr_domainlist_add / tr_client_add triggers). Strip that back
        -- out, otherwise the deny-all regex applies to every client on the
        -- network instead of just the TV.
        DELETE FROM domainlist_by_group
          WHERE group_id = 0
          AND domainlist_id IN (SELECT id FROM domainlist WHERE domain IN ('.*', '(^|\.)maybec\.at$'));

        DELETE FROM client_by_group
          WHERE group_id = 0
          AND client_id IN (SELECT id FROM client WHERE ip = '20:28:bc:15:1d:c0');
SQL
    '';
  };

  virtualisation.docker = {
    enable = true;
    enableOnBoot = true;
    autoPrune = {
      enable = true;
      dates = "weekly";
      flags = [ "--all" ];
    };
    daemon.settings = {
      log-driver = "json-file";
      log-opts = {
        max-size = "10m";
        max-file = "3";
      };
    };
  };

  systemd.services.transmission = dockerService {
    name = "transmission";
    description = "Transmission via Mullvad VPN";
    dir = "/home/ulve/code/transmission";
  };

  systemd.services.aftersummer = dockerService {
    name = "aftersummer";
    description = "Aftersummer";
    dir = "/home/ulve/code/aftersummer";
  };

  systemd.services.spine = dockerService {
    name = "spine";
    description = "Spine ebook server";
    dir = "/home/ulve/code/wargaming";
  };

  systemd.services.bookthing = dockerService {
    name = "bookthing";
    description = "Bookthing audiobook server";
    dir = "/home/ulve/code/bookthing";
  };

  systemd.services.tailscale-exit = dockerService {
    name = "tailscale-exit";
    description = "Tailscale exit node via Mullvad VPN";
    dir = "/home/ulve/code/tailscale";
  };

  systemd.services.colony-archive = dockerService {
    name = "colony-archive";
    description = "Colony Archive tabletop RPG campaign manager";
    dir = "/home/ulve/code/colony-archive";
  };

  systemd.services.pingvin-share = dockerService {
    name = "pingvin-share";
    description = "Pingvin Share file sharing service";
    dir = "/home/ulve/code/pingvin-share";
  };

  systemd.services.frigate = dockerService {
    name = "frigate";
    description = "Frigate NVR";
    dir = "/home/ulve/code/frigate";
  };

  systemd.services.mosquitto = dockerService {
    name = "mosquitto";
    description = "Mosquitto MQTT broker";
    dir = "/home/ulve/code/mosquitto";
  };

  systemd.services.homeassistant = dockerService {
    name = "homeassistant";
    description = "Home Assistant";
    dir = "/home/ulve/code/homeassistant";
  };

  systemd.services.dozzle = {
    description = "Dozzle Docker log viewer";
    after = [ "docker.service" "network.target" ];
    requires = [ "docker.service" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      Type = "simple";
      ExecStartPre = "${pkgs.docker}/bin/docker rm -f dozzle || true";
      ExecStart = "${pkgs.docker}/bin/docker run --rm --name dozzle -p 8080:8080 -v /var/run/docker.sock:/var/run/docker.sock amir20/dozzle";
      ExecStop = "${pkgs.docker}/bin/docker stop dozzle";
      Restart = "on-failure";
    };
  };

  security.acme = {
    acceptTerms = true;
    defaults.email = "johansson.olov@gmail.com";
  };

  services.nginx = {
    enable = true;
virtualHosts."aftersummer.maybec.at"  = proxyVhost { upstream = "http://127.0.0.1:5588"; };
    virtualHosts."spine.maybec.at"       = proxyVhost { upstream = "http://localhost:3000"; };
    virtualHosts."bookthing.maybec.at"   = proxyVhost { upstream = "http://127.0.0.1:8000"; };
    virtualHosts."jelly.maybec.at"       = proxyVhost { upstream = "http://127.0.0.1:8096"; };
    virtualHosts."photos.maybec.at"      = proxyVhost { upstream = "http://[::1]:2283"; maxBodySize = "50g"; };
    virtualHosts."colony.maybec.at"      = proxyVhost { upstream = "http://127.0.0.1:3333"; };
    virtualHosts."git.maybec.at"         = proxyVhost { upstream = "http://127.0.0.1:3001"; maxBodySize = "10g"; };
    virtualHosts."share.maybec.at"       = proxyVhost { upstream = "http://127.0.0.1:8090"; maxBodySize = "10g"; };
    virtualHosts."cam.maybec.at"         = proxyVhost { upstream = "https://127.0.0.1:8971"; proxySsl = true; };
    virtualHosts."home.maybec.at"        = proxyVhost { upstream = "http://127.0.0.1:8123"; };
  };
}