xin/hosts/box/default.nix

{ lib, config, pkgs, isUnstable, ... }:

let
  photoPrismTag = "220901-bullseye";
  httpCacheTime = "720m";
  httpAllow = ''
    allow	10.6.0.0/24;
    allow	100.64.0.0/10;
    allow	10.20.30.1/32;
  '';
  openbsdPub = {
    extraConfig = ''
      proxy_cache my_cache;
      proxy_cache_revalidate on;
      proxy_cache_min_uses 1;
      proxy_cache_use_stale error timeout updating http_500 http_502
                            http_503 http_504;
      proxy_cache_background_update on;
      proxy_cache_lock on;

      proxy_ignore_headers Cache-Control;
      proxy_cache_valid any ${httpCacheTime};

      # from jeremy
      proxy_set_header Connection "";
      proxy_http_version 1.1;

      proxy_pass http://ftp.usa.openbsd.org;
    '';
  };

  pubKeys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIITjFpmWZVWixv2i9902R+g5B8umVhaqmjYEKs2nF3Lu qbit@tal.tapenet.org"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILnaC1v+VoVNnK04D32H+euiCyWPXU8nX6w+4UoFfjA3 qbit@plq"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFbj3DNho0T/SLcuKPzxT2/r8QNdEQ/ms6tRiX6YraJk root@tal.tapenet.org"
  ];
  userBase = { openssh.authorizedKeys.keys = pubKeys; };
  mkNginxSecret = {
    sopsFile = config.xin-secrets.box.certs;
    owner = config.users.users.nginx.name;
    mode = "400";
  };

in {
  disabledModules = [
    #"services/security/step-ca.nix"
    #"services/matrix/mjolnir.nix"
  ];

  _module.args.isUnstable = false;
  imports = [
    ./hardware-configuration.nix
    #(import "${
    #    toString unstableSrc.path
    #  }/nixos/modules/services/security/step-ca.nix")
    #(import
    #  "${toString unstableSrc.path}/nixos/modules/services/matrix/mjolnir.nix")
  ];

  sops.secrets = {
    photoprism_admin_password = { sopsFile = config.xin-secrets.box.services; };
    gitea_db_pass = {
      owner = config.users.users.gitea.name;
      sopsFile = config.xin-secrets.box.services;
    };
  };

  sops.secrets.jelly_cert = mkNginxSecret;
  sops.secrets.jelly_key = mkNginxSecret;
  sops.secrets.reddit_cert = mkNginxSecret;
  sops.secrets.reddit_key = mkNginxSecret;
  sops.secrets.sonarr_cert = mkNginxSecret;
  sops.secrets.sonarr_key = mkNginxSecret;
  sops.secrets.radarr_cert = mkNginxSecret;
  sops.secrets.radarr_key = mkNginxSecret;
  sops.secrets.prowlarr_cert = mkNginxSecret;
  sops.secrets.prowlarr_key = mkNginxSecret;
  sops.secrets.nzb_cert = mkNginxSecret;
  sops.secrets.nzb_key = mkNginxSecret;
  sops.secrets.lidarr_cert = mkNginxSecret;
  sops.secrets.lidarr_key = mkNginxSecret;

  #nixpkgs.config = {
  #  packageOverrides = super:
  #    let self = super.pkgs;
  #    in {
  #      step-ca = unstableSrc.step-ca;
  #      mjolnir = unstableSrc.mjolnir;
  #    };
  #};

  boot.supportedFilesystems = [ "zfs" ];
  boot.loader.grub.copyKernels = true;
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  boot.kernelPackages = pkgs.linuxPackages;

  doas.enable = true;

  networking.hostName = "box";
  networking.hostId = "9a2d2563";

  networking.useDHCP = false;
  networking.enableIPv6 = false;

  networking = {
    defaultGateway = "10.20.30.1";
    nameservers = [ "10.20.30.1" ];
    interfaces.enp7s0 = {
      ipv4 = {
        routes = [{
          address = "10.6.0.0";
          prefixLength = 24;
          via = "10.6.0.1";
        }];
        addresses = [{
          address = "10.6.0.15";
          prefixLength = 24;
        }];
      };
    };
    interfaces.enp8s0 = {
      ipv4.addresses = [{
        address = "10.20.30.15";
        prefixLength = 24;
      }];
    };
  };

  nixpkgs.config.allowUnfree = true;

  environment.systemPackages = with pkgs; [
    nixfmt
    tmux
    mosh
    apg
    git
    signify
    glowing-bear

    (callPackage ../../pkgs/athens.nix { inherit isUnstable; })
  ];

  security.acme = {
    acceptTerms = true;
    defaults.email = "aaron@bolddaemon.com";
  };

  # for photoprism
  users.groups.photoprism = {
    name = "photoprism";
    gid = 986;
  };
  users.users.photoprism = {
    uid = 991;
    name = "photoprism";
    isSystemUser = true;
    hashedPassword = null;
    group = "photoprism";
    shell = "/bin/sh";
    openssh.authorizedKeys.keys = pubKeys;
  };

  virtualisation.podman = {
    enable = true;
    #dockerCompat = true;
  };
  virtualisation.oci-containers.backend = "podman";
  virtualisation.oci-containers.containers = {
    #kativa = {
    #  autoStart = true;
    #  ports = [ "127.0.0.1:5000:5000" ];
    #  image = "kizaing/kavita:0.5.2";
    #  volumes = [ "/media/books:/books" "/media/books/config:/kativa/config" ];
    #};
    photoprism = {
      #user = "${toString config.users.users.photoprism.name}:${toString config.users.groups.photoprism.name}";
      autoStart = true;
      ports = [ "127.0.0.1:2343:2343" ];
      image = "photoprism/photoprism:${photoPrismTag}";
      workdir = "/photoprism";
      volumes = [
        "/media/pictures/photoprism/storage:/photoprism/storage"
        "/media/pictures/photoprism/originals:/photoprism/originals"
        "/media/pictures/photoprism/import:/photoprism/import"
      ];
      environment = {
        PHOTOPRISM_HTTP_PORT = "2343";
        PHOTOPRISM_UPLOAD_NSFW = "true";
        PHOTOPRISM_DETECT_NSFW = "false";
        PHOTOPRISM_UID = "${toString config.users.users.photoprism.uid}";
        PHOTOPRISM_GID = "${toString config.users.groups.photoprism.gid}";
        #PHOTOPRISM_SITE_URL = "https://photos.tapenet.org/";
        PHOTOPRISM_SITE_URL = "https://box.humpback-trout.ts.net/photos";
        PHOTOPRISM_SETTINGS_HIDDEN = "false";
        PHOTOPRISM_DATABASE_DRIVER = "sqlite";
      };
    };
  };

  users.groups.media = {
    name = "media";
    members =
      [ "qbit" "sonarr" "radarr" "lidarr" "nzbget" "jellyfin" "headphones" ];
  };

  services = {
    cron = {
      enable = true;
      systemCronJobs = let
        tsCertsScript = pkgs.writeScriptBin "ts-certs.sh" ''
          #!/usr/bin/env sh
          . /etc/profile;
          (
            mkdir -p /etc/nixos/secrets;
            chown root /etc/nixos/secrets/box.humpback-trout.ts.net.*;
            tailscale cert \
              --cert-file /etc/nixos/secrets/box.humpback-trout.ts.net.crt \
              --key-file=/etc/nixos/secrets/box.humpback-trout.ts.net.key \
              box.humpback-trout.ts.net;
            chown nginx /etc/nixos/secrets/box.humpback-trout.ts.net.*
          ) >/dev/null 2>&1
        '';
      in [ "@daily root ${tsCertsScript}/bin/ts-certs.sh" ];
    };
    openssh.forwardX11 = true;

    tor.enable = true;

    #step-ca = {
    #  enable = true;
    #  intermediatePasswordFile = "/var/data/step-ca/secrets/password";
    #  settings = {
    #    dnsNames = [ "box.bold.daemon" ];
    #    root = "/var/lib/step-ca/certs/root_ca.crt";
    #    crt = "/var/lib/step-ca/certs/intermediate_ca.crt";
    #    key = "/var/lib/step-ca/secrets/intermediate_ca_key";
    #    db = {
    #      type = "badger";
    #      dataSource = "/var/lib/step-ca/db";
    #    };
    #    authority = {
    #      provisioners = [{
    #        type = "ACME";
    #        name = "acme";
    #      }];
    #    };
    #  };
    #  address = "127.0.0.1";
    #  port = 8435;
    #};

    sonarr.enable = true;
    radarr.enable = true;
    lidarr.enable = true;
    jackett.enable = true;
    prowlarr.enable = true;
    headphones.enable = false;
    nzbget = {
      enable = true;
      group = "media";
      settings = { MainDir = "/media/downloads"; };
    };

    fwupd.enable = true;
    zfs = {
      autoSnapshot.enable = true;
      autoReplication = {
        enable = true;
        host = "10.6.0.245";
        identityFilePath = "/etc/ssh/ssh_host_ed25519_key";
        localFilesystem = "rpool";
        recursive = true;
        remoteFilesystem = "tank/backups/box";
        username = "root";
      };
    };

    jellyfin = {
      enable = true;
      openFirewall = true;
    };

    grafana = {
      enable = true;
      domain = "graph.tapenet.org";
      port = 2342;
      addr = "127.0.0.1";
      analytics.reporting.enable = false;

      #declarativePlugins = with pkgs; [ grafana-image-renderer ];

      provision = {
        enable = true;
        datasources = [
          {
            name = "Prometheus";
            type = "prometheus";
            access = "proxy";
            url =
              "http://127.0.0.1:${toString config.services.prometheus.port}";
          }
          {
            name = "Loki";
            type = "loki";
            access = "proxy";
            url = "http://127.0.0.1:${
                toString
                config.services.loki.configuration.server.http_listen_port
              }";
          }
        ];
      };
    };

    loki = {
      enable = true;
      configuration = {
        server.http_listen_port = 3030;
        auth_enabled = false;

        ingester = {
          lifecycler = {
            address = "127.0.0.1";
            ring = {
              kvstore = { store = "inmemory"; };
              replication_factor = 1;
            };
          };
          chunk_idle_period = "1h";
          max_chunk_age = "1h";
          chunk_target_size = 999999;
          chunk_retain_period = "30s";
          max_transfer_retries = 0;
        };

        schema_config = {
          configs = [{
            from = "2022-06-06";
            store = "boltdb-shipper";
            object_store = "filesystem";
            schema = "v11";
            index = {
              prefix = "index_";
              period = "24h";
            };
          }];
        };

        storage_config = {
          boltdb_shipper = {
            active_index_directory = "/var/lib/loki/boltdb-shipper-active";
            cache_location = "/var/lib/loki/boltdb-shipper-cache";
            cache_ttl = "24h";
            shared_store = "filesystem";
          };

          filesystem = { directory = "/var/lib/loki/chunks"; };
        };

        limits_config = {
          reject_old_samples = true;
          reject_old_samples_max_age = "168h";
        };

        chunk_store_config = { max_look_back_period = "0s"; };

        table_manager = {
          retention_deletes_enabled = false;
          retention_period = "0s";
        };

        compactor = {
          working_directory = "/var/lib/loki";
          shared_store = "filesystem";
          compactor_ring = { kvstore = { store = "inmemory"; }; };
        };
      };
    };

    promtail = {
      enable = true;
      configuration = {
        server = {
          http_listen_port = 3031;
          grpc_listen_port = 0;
        };
        positions = { filename = "/tmp/positions.yaml"; };
        clients = [{
          url = "http://127.0.0.1:${
              toString
              config.services.loki.configuration.server.http_listen_port
            }/loki/api/v1/push";
        }];
        scrape_configs = [{
          job_name = "journal";
          journal = {
            max_age = "12h";
            labels = {
              job = "systemd-journal";
              host = "box";
            };
          };
          relabel_configs = [{
            source_labels = [ "__journal__systemd_unit" ];
            target_label = "unit";
          }];
        }];
      };
    };

    prometheus = {
      enable = true;
      port = 9001;

      exporters = {
        node = {
          enable = true;
          enabledCollectors = [ "systemd" ];
          port = 9002;
        };

        nginx = { enable = true; };
      };

      scrapeConfigs = [
        {
          job_name = "box";
          static_configs = [{
            targets = [
              "127.0.0.1:${
                toString config.services.prometheus.exporters.node.port
              }"
            ];
          }];
        }
        {
          job_name = "greenhouse";
          static_configs = [{ targets = [ "10.6.0.20:80" ]; }];
        }
        {
          job_name = "house";
          static_configs = [{ targets = [ "10.6.0.21:80" ]; }];
        }
        {
          job_name = "outside";
          static_configs = [{ targets = [ "10.6.0.22:8811" ]; }];
        }
        {
          job_name = "faf";
          static_configs = [{ targets = [ "10.6.0.245:9002" ]; }];
        }
        {
          job_name = "namish";
          static_configs = [{ targets = [ "10.6.0.2:9100" ]; }];
        }
        {
          job_name = "nginx";
          static_configs = [{
            targets = [
              "127.0.0.1:${
                toString config.services.prometheus.exporters.nginx.port
              }"
            ];
          }];
        }

      ];
    };

    vaultwarden = {
      enable = true;
      backupDir = "/backups/bitwarden_rs";
      config = {
        domain = "https://bw.tapenet.org";
        signupsAllowed = false;
        rocketPort = 8222;
        rocketLog = "critical";
        environmentFile = "/root/bitwarden_rs.env";
      };
    };

    gitea = {
      enable = true;
      domain = "git.tapenet.org";
      rootUrl = "https://git.tapenet.org";
      stateDir = "/media/git";
      appName = "Tape:neT";

      lfs.enable = true;
      ssh.enable = true;
      ssh.clonePort = 2222;

      settings = {
        server = {
          START_SSH_SERVER = true;
          SSH_SERVER_HOST_KEYS = "ssh/gitea-ed25519";
        };
      };

      disableRegistration = true;

      cookieSecure = true;

      database = {
        type = "postgres";
        passwordFile = "${config.sops.secrets.gitea_db_pass.path}";
        socket = "/run/postgresql";
      };
    };

    #nextcloud = {
    #  enable = true;
    #  hostName = "box.tapenet.org";
    #  package = pkgs.nextcloud22;
    #  home = "/media/nextcloud";
    #  https = true;
    #  autoUpdateApps = { enable = true; };

    #  config = {
    #    overwriteProtocol = "https";

    #    dbtype = "pgsql";
    #    dbuser = "nextcloud";
    #    dbhost = "/run/postgresql";
    #    dbname = "nextcloud";
    #    dbpassFile = "${config.sops.secrets.nextcloud_db_pass.path}";

    #    adminpassFile = "${config.sops.secrets.nextcloud_admin_pass.path}";
    #    adminuser = "admin";
    #  };
    #};

    rsnapshot = {
      enable = false;
      enableManualRsnapshot = true;
      extraConfig = ''
        snapshot_root	/backups/snapshots/
        retain	daily	7
        retain	manual	3
        backup_exec	date "+ backup of suah.dev started at %c"
        backup	root@suah.dev:/home/	suah.dev/
        backup	root@suah.dev:/etc/	suah.dev/
        backup	root@suah.dev:/var/synapse/	suah.dev/
        backup	root@suah.dev:/var/dendrite/	suah.dev/
        backup	root@suah.dev:/var/hammer/	suah.dev/
        backup	root@suah.dev:/var/go-ipfs/	suah.dev/
        backup	root@suah.dev:/var/gopher/	suah.dev/
        backup	root@suah.dev:/var/honk/	suah.dev/
        backup	root@suah.dev:/var/mcchunkie/	suah.dev/
        backup	root@suah.dev:/var/www/	suah.dev/
        backup_exec	date "+ backup of suah.dev ended at %c"
      '';
      cronIntervals = { daily = "50 21 * * *"; };
    };

    libreddit = {
      enable = true;
      port = 8482;
      redirect = true;
    };

    nginx = {
      enable = true;
      package = pkgs.openresty;

      statusPage = true;

      recommendedTlsSettings = true;
      recommendedOptimisation = true;
      recommendedGzipSettings = true;
      recommendedProxySettings = true;

      clientMaxBodySize = "512M";

      commonHttpConfig = ''
        proxy_cache_path /backups/nginx_cache levels=1:2 keys_zone=my_cache:10m max_size=10g 
                 inactive=${httpCacheTime} use_temp_path=off;
      '';

      virtualHosts = {
        "box.humpback-trout.ts.net" = {
          forceSSL = true;
          sslCertificateKey =
            "/etc/nixos/secrets/box.humpback-trout.ts.net.key";
          sslCertificate = "/etc/nixos/secrets/box.humpback-trout.ts.net.crt";

          locations."/photos" = {
            proxyPass = "http://localhost:2343";
            proxyWebsockets = true;
          };

          locations."/pub" = openbsdPub;
        };

        "photos.tapenet.org" = {
          forceSSL = true;
          enableACME = true;

          locations."/" = {
            proxyPass = "http://localhost:2343";
            proxyWebsockets = true;
          };
        };
        "bw.tapenet.org" = {
          forceSSL = true;
          enableACME = true;

          locations."/" = {
            proxyPass = "http://localhost:${
                toString config.services.vaultwarden.config.rocketPort
              }";
            proxyWebsockets = true;
          };

          # For push notifications. Unfortunately the ports are not set in a config
          locations."/notifications/hub" = {
            proxyPass = "http://localhost:3012";
            proxyWebsockets = true;
          };
          locations."/notifications/hub/negotiate" = {
            proxyPass = "http://localhost:8812";
            proxyWebsockets = true;
          };
        };

        "bear.tapenet.org" = {
          forceSSL = true;
          enableACME = true;

          locations."/" = { root = "${pkgs.glowing-bear}"; };
        };

        "jelly.bold.daemon" = {
          forceSSL = true;
          sslCertificateKey = "${config.sops.secrets.jelly_key.path}";
          sslCertificate = "${config.sops.secrets.jelly_cert.path}";

          locations."/" = {
            # TODO: jellyfin.nix doesn't expose the port being used.
            proxyPass = "http://localhost:8096";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };

        "reddit.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.reddit_key.path}";
          sslCertificate = "${config.sops.secrets.reddit_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass =
              "http://localhost:${toString config.services.libreddit.port}";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };

        "sonarr.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.sonarr_key.path}";
          sslCertificate = "${config.sops.secrets.sonarr_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass = "http://localhost:8989";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };
        "radarr.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.radarr_key.path}";
          sslCertificate = "${config.sops.secrets.radarr_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass = "http://localhost:7878";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };
        "prowlarr.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.prowlarr_key.path}";
          sslCertificate = "${config.sops.secrets.prowlarr_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass = "http://localhost:9696";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };
        "nzb.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.nzb_key.path}";
          sslCertificate = "${config.sops.secrets.nzb_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass = "http://localhost:6789";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };
        "headphones.bold.daemon" = {
          locations."/" = {
            proxyPass = "http://localhost:8181";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };
        "lidarr.bold.daemon" = {
          sslCertificateKey = "${config.sops.secrets.lidarr_key.path}";
          sslCertificate = "${config.sops.secrets.lidarr_cert.path}";
          forceSSL = true;
          locations."/" = {
            proxyPass = "http://localhost:8686";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };
        };

        ${config.services.grafana.domain} = {
          forceSSL = true;
          enableACME = true;

          locations."/" = {
            proxyPass =
              "http://127.0.0.1:${toString config.services.grafana.port}";
            proxyWebsockets = true;
            extraConfig = ''
              	      ${httpAllow}
                      deny	all;
            '';
          };

          locations."/_pub" = {
            extraConfig = ''
                      default_type 'application/json';

              	      content_by_lua_block {
                              function lsplit (str, sep)
                                sep = "\n"
                                local t={}
                                for str in string.gmatch(str, "([^"..sep.."]+)") do
                                  table.insert(t, str)
                                end
                                return t
                              end

                              local sock = ngx.socket.tcp()
                              local ok, err = sock:connect("127.0.0.1", ${
                                toString config.services.prometheus.port
                              })
                              if not ok then
                                  ngx.say("failed to connect to backend: ", err)
                                  return
                              end

                              local bytes = sock:send("GET /api/v1/query?query=wstation_temp_c HTTP/1.1\nHost: 127.0.0.1:${
                                toString config.services.prometheus.port
                              }\n\n")

                              sock:settimeouts(1000, 1000, 1000)

                              local data, err = sock:receiveany(10 * 1024)
                              if not data then
                                ngx.say("failed to read weather data: ", err)
                                return
                              end

              		      local b = lsplit(data)
                              ngx.say(b[#b])

                              sock:close()
              	      }
              	    '';
          };
        };

        "git.tapenet.org" = {
          forceSSL = true;
          enableACME = true;

          locations."/" = {
            proxyPass =
              "http://localhost:${toString config.services.gitea.httpPort}";
            proxyWebsockets = true;
            priority = 1000;
          };
        };
      };
    };

    postgresqlBackup = {
      enable = true;
      location = "/backups/postgresql";
    };
    postgresql = {
      enable = true;
      dataDir = "/db/postgres";

      ensureDatabases = [ "nextcloud" "gitea" ];
      ensureUsers = [
        {
          name = "nextcloud";
          ensurePermissions."DATABASE nextcloud" = "ALL PRIVILEGES";
        }
        {
          name = "gitea";
          ensurePermissions."DATABASE gitea" = "ALL PRIVILEGES";
        }
      ];
    };

  };

  systemd.services.nginx.serviceConfig = {
    ReadWritePaths = [ "/backups/nginx_cache" ];
    ReadOnlyPaths = [ "/etc/nixos/secrets" ];
  };

  #systemd.services."nextcloud-setup" = {
  #  requires = [ "postgresql.service" ];
  #  after = [ "postgresql.service" ];
  #};

  networking.firewall.allowedTCPPorts = config.services.openssh.ports
    ++ [ 80 443 config.services.gitea.ssh.clonePort ];
  networking.firewall.allowedUDPPortRanges = [{
    from = 60000;
    to = 61000;
  }];

  users.users.qbit = userBase;
  users.users.root = userBase;

  programs.zsh.enable = true;

  system.autoUpgrade.allowReboot = true;
  system.stateVersion = "20.03";
}