Restructure folders

config/hosts/grondahl/configuration.nix

@@ -0,0 +1,85 @@
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    ./data/secrets/secrets.nix
+    ../../common/services/ssh.nix
+    ./services/acme.nix
+    ./services/coturn.nix
+    ./services/nginx.nix
+    ./services/restic.nix
+    ./services/synapse.nix
+    ./services/postgres.nix
+    ];
+
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/vda";
+  boot.kernelPackages = pkgs.linuxPackages_5_10;
+  networking = {
+    hostName = "grondahl";
+    useDHCP = false;
+    interfaces = {
+      "ens3" = {
+        ipv4.addresses = [ {
+          address = "107.189.30.157";
+          prefixLength = 24;
+        } ];
+        ipv6.addresses = [ {
+          address = "2605:6400:30:ef32::1";
+          prefixLength = 48;
+        } ];
+      };
+    };
+    defaultGateway = "107.189.30.1";
+    defaultGateway6 = {
+      address = "2605:6400:30::1";
+      interface = "ens3";
+    };
+    nameservers = [ "1.1.1.1" "1.0.0.1" "2606:4700:4700::1111" "2606:4700:4700::1001" ];
+  };
+
+  time.timeZone = "Europe/Copenhagen";
+
+  security.sudo.wheelNeedsPassword = false;
+
+  nix = {
+    autoOptimiseStore = true;
+    trustedUsers = [
+      "root"
+      "@wheel"
+    ];
+  };
+
+
+
+  users.users.emelie = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICO4LyBsW1YuUA6i3EL/IZhchSvk7reO4qgRmR/tdQPU emelie@flap"
+    ];
+  };
+
+  users.groups.acme.members = [ "nginx" "turnserver" ];
+  users.groups.backup.members = [ "matrix-synapse" "postgres" ];
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    vim
+    wget
+    htop
+    iotop
+    dig
+  ];
+
+  networking.firewall.allowedTCPPorts = [ 22 80 443 ];
+  networking.firewall.allowedTCPPortRanges = [ { from = 3478; to = 3479; } { from = 5349; to = 5350; } ];
+  networking.firewall.allowedUDPPortRanges = [ { from = 3478; to = 3479; } { from = 5349; to = 5350; } { from = 49152; to = 49999; } ];
+
+  system.stateVersion = "21.05";
+
+}

config/hosts/grondahl/hardware-configuration.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+      (modulesPath + "/profiles/minimal.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sr_mod" "virtio_blk" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/8c343c61-87b5-493c-984c-634f59814f3d";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/2cd0615d-c517-4153-907e-6d8dd9d0e7fc"; }
+    ];
+
+}

config/hosts/grondahl/services/acme.nix

@@ -0,0 +1,14 @@
+{ config, ... }:
+
+{
+  security.acme = {
+    acceptTerms = true;
+    email = "admin+certs@anarkafem.dev";
+    certs."anarkafem.dev" = {
+      extraDomainNames = [ "*.anarkafem.dev" ];
+      dnsProvider = "hurricane";
+      credentialsFile = config.secrets.files.acme_anarkafem_dev.file;
+    };
+  };
+}
+

config/hosts/grondahl/services/coturn.nix

@@ -0,0 +1,25 @@
+{ config, ... }:
+{
+  services.coturn = {
+    enable = true;
+    lt-cred-mech = true;
+    use-auth-secret = true;
+    static-auth-secret = builtins.toString config.secrets.files.turn_shared_secret.file;
+    realm = "turn.anarkafem.dev";
+    relay-ips = [
+      "107.189.30.157"
+      "2605:6400:30:ef32::1"
+    ];
+    no-tcp-relay = true;
+    extraConfig = "
+    cipher-list=\"HIGH\"
+    no-loopback-peers
+    no-multicast-peers
+    ";
+    secure-stun = true;
+    cert = "/var/lib/acme/anarkafem.dev/fullchain.pem";
+    pkey = "/var/lib/acme/anarkafem.dev/key.pem";
+    min-port = 49152;
+    max-port = 49999;
+  };
+}

config/hosts/grondahl/services/nginx.nix

@@ -0,0 +1,24 @@
+{
+  imports = [ ../../../common/services/nginx.nix ];
+  services.nginx.virtualHosts = {
+    "anarkafem.dev" = {
+      useACMEHost = "anarkafem.dev";
+      forceSSL = true;
+      locations."/".root = "/var/www/anarkafem.dev/public";
+      locations."/_matrix/".proxyPass = "http://127.0.0.1:8008";
+      locations."/_synapse".proxyPass = "http://127.0.0.1:8008";
+      locations."/.well-known/matrix/" = {
+        root = "/var/www/matrix/public";
+        extraConfig = ''
+          default_type application/json;
+          add_header Access-Control-Allow-Origin "*";
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Referrer-Policy "origin-when-cross-origin";
+          add_header X-Frame-Options "DENY";
+          add_header X-Content-Type-Options "nosniff";
+          add_header X-XSS-Protection "1; mode=block";
+        '';
+      };
+    };
+  };
+}

config/hosts/grondahl/services/postgres.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }:
+{
+  services.postgresql = {
+    enable = true;
+    package = pkgs.postgresql_13;
+    initialScript = pkgs.writeText "synapse-init.sql" ''
+                      CREATE ROLE synapse;
+                      CREATE DATABASE synapse WITH OWNER synapse
+                          TEMPLATE template0
+                          LC_COLLATE = "C"
+                          LC_CTYPE = "C"
+                          ENCODING = "UTF8";
+    '';
+    authentication = pkgs.lib.mkOverride 10 ''
+        local all all trust
+        host all all ::1/128 trust
+    '';
+  };
+
+  services.postgresqlBackup = {
+    enable = true;
+    location = "/var/lib/postgresql/backup";
+    databases = [ "synapse" ];
+    startAt = "02:30";
+    compression = "none";
+  };
+}
+

config/hosts/grondahl/services/restic.nix

@@ -0,0 +1,26 @@
+{ config, ... }:
+{
+  services.restic.backups = {
+    "postgres" = {
+      paths = [ "/var/lib/postgresql/backup" ];
+      repository = "sftp:restic@despondos.nao.sh:/etheria/backup/grondahl/postgres";
+      initialize = true;
+      pruneOpts = [ "--keep-daily 7" "--keep-weekly 5" "--keep-monthly 12" "--keep-yearly 75" ];
+      timerConfig = { "OnCalendar" = "03:15"; };
+      extraOptions = [ "sftp.command='ssh restic@despondos.nao.sh -i ${config.secrets.files.ssh_key.file} -s sftp'" ];
+      passwordFile = builtins.toString config.secrets.files.restic_pass.file;
+      user = "postgres";
+    };
+    "synapse" = {
+      paths = [ "/var/lib/matrix-synapse" ];
+      repository = "sftp:restic@despondos.nao.sh:/etheria/backup/grondahl/synapse";
+      initialize = true;
+      pruneOpts = [ "--keep-daily 7" "--keep-weekly 5" "--keep-monthly 12" "--keep-yearly 75" ];
+      timerConfig = { "OnCalendar" = "03:45"; };
+      extraOptions = [ "sftp.command='ssh restic@despondos.nao.sh -i ${config.secrets.files.ssh_key.file} -s sftp'" ];
+      passwordFile = builtins.toString config.secrets.files.restic_pass.file;
+      user = "matrix-synapse";
+    };
+  };
+}
+

config/hosts/grondahl/services/synapse.nix

@@ -0,0 +1,73 @@
+{ config, ... }:
+
+{
+  services.matrix-synapse = {
+    enable = true;
+    server_name = "anarkafem.dev";
+    enable_registration = false;
+    registration_shared_secret = builtins.toString config.secrets.files.synapse_registration_shared_secret.file;
+    turn_shared_secret = builtins.toString config.secrets.files.turn_shared_secret.file;
+    max_upload_size = "100M";
+    database_type = "psycopg2";
+    database_user = "synapse";
+    database_name = "synapse";
+    turn_uris = [
+      "turn:turn.anarkafem.dev:3478?transport=udp"
+      "turn:turn.anarkafem.dev:3478?transport=tcp"
+      "turn:turn.anarkafem.dev:3479?transport=udp"
+      "turn:turn.anarkafem.dev:3479?transport=tcp"
+      "turns:turn.anarkafem.dev:5349?transport=udp"
+      "turns:turn.anarkafem.dev:5349?transport=tcp"
+      "turns:turn.anarkafem.dev:5350?transport=udp"
+      "turns:turn.anarkafem.dev:5350?transport=tcp"
+    ];
+    report_stats = false;
+    withJemalloc = true;
+    servers = { "anarkafem.dev" = {}; };
+    extraConfig = ''
+      default_room_version: "9"
+      auto_join_rooms:
+        - "#suf-aalborg:anarkafem.dev"
+    '';
+    logConfig = ''
+      version: 1
+
+      formatters:
+          precise:
+              format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
+
+      handlers:
+          console:
+              class: logging.StreamHandler
+              formatter: precise
+
+      loggers:
+          synapse.storage.SQL:
+              # beware: increasing this to DEBUG will make synapse log sensitive
+              # information such as access tokens.
+              level: INFO
+
+      root:
+          level: INFO
+          handlers: [console]
+
+      disable_existing_loggers: false
+    '';
+    listeners = [
+      {
+        port = 8008;
+        bind_address = "127.0.0.1";
+        type = "http";
+        tls = false;
+        x_forwarded = true;
+        resources = [
+          { 
+            names = [ "client" "federation" ];
+            compress = false;
+          }
+        ];
+      }
+    ];
+  };
+}
+