Frankfurt

nixos/hosts/frankfurt-linode-01/containers/derp.nix

@@ -0,0 +1,31 @@
+{ ... }: {
+    services.cron = {
+      enable = true;
+      systemCronJobs = [
+          ''0 0 * * * root rsync -avr  root@framework-server:/Storage/Data/Docker/sysctl.io/letsencrypt/ /Storage/Data/Docker/sysctl.io/letsencrypt/''
+      ];
+    };
+
+  # Containers
+  virtualisation.oci-containers.containers."derp" = {
+    image = "docker.io/fredliang/derper";
+    environment = {
+      DERP_ADDR = ":1443";
+      DERP_CERT_DIR = "/app/certs";
+      DERP_CERT_MODE = "manual";
+      DERP_DOMAIN = "milan.sysctl.io";
+      DERP_STUN = "true";
+      DERP_VERIFY_CLIENTS = "true";
+    };
+    volumes = [
+      "/var/run/tailscale/tailscaled.sock:/var/run/tailscale/tailscaled.sock:ro"
+      "/Storage/Data/Docker/sysctl.io/letsencrypt/external/certificates/certs/*.sysctl.io.crt:/app/certs/milan.sysctl.io.crt:ro"
+      "/Storage/Data/Docker/sysctl.io/letsencrypt/external/certificates/private/*.sysctl.io.key:/app/certs/milan.sysctl.io.key:ro"
+    ];
+    ports = [
+      "3478:3478/udp"
+      "1443:1443/tcp"
+    ];
+    log-driver = "journald";
+  };
+}

nixos/hosts/frankfurt-linode-01/default.nix

@@ -0,0 +1,43 @@
+{ lib, modulesPath, ... }: {
+  imports = [ 
+    (modulesPath + "/profiles/qemu-guest.nix")
+    ../../common/services/tailscale-autoconnect.nix
+    ../../common/services/podman.nix
+    ./containers/derp.nix
+    ./firewall.nix
+  ];
+
+  boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_scsi" "ahci" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enable LISH
+  boot.kernelParams = [ "console=ttyS0,19200n8" ];
+  boot.loader.grub.extraConfig = ''
+    serial --speed=19200 --unit=0 --word=8 --parity=no --stop=1;
+    terminal_input serial;
+    terminal_output serial
+  '';
+
+  boot.loader.grub.forceInstall = true;
+  boot.loader.grub.device = "nodev";
+  boot.loader.timeout = 10;
+
+  fileSystems."/" = { 
+      device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ { device = "/dev/disk/by-label/linode-swap"; } ];
+  
+  # Distributed Builds
+  nix.distributedBuilds = true;
+
+  networking.useDHCP = lib.mkDefault true;
+  time.timeZone = "Europe/Rome";
+  networking.hostName = "milan-linode-01";
+
+  services.tailscale.extraUpFlags = [ "--advertise-exit-node" ];
+  boot.kernel.sysctl = { "net.ipv4.ip_forward" = true; };
+}

nixos/hosts/frankfurt-linode-01/firewall.nix

@@ -0,0 +1,13 @@
+{ ... }: {
+  networking = {
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [
+        1443  # Headscale DERP (tcp)
+      ];
+      allowedUDPPorts = [
+        3478  # Headscale DERP (udp)
+      ];
+    };
+  };
+}