add draft scripts for hetzner install

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

disko/hetzner.nix

@@ -0,0 +1,47 @@
+# USAGE in your configuration.nix.
+# Update devices to match your hardware.
+# {
+#  imports = [ ./disko-config.nix ];
+#  disko.devices.disk.main.device = "/dev/sda";
+# }
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "500M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+              priority = 1;
+            };
+            root = {
+              end = "-1G";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+            encryptedSwap = {
+              size = "1G";
+              content = {
+                type = "swap";
+                randomEncryption = true;
+                priority = 100; # prefer to encrypt as long as we have space for it
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1730135292,
+        "narHash": "sha256-CI27qHAbc3/tIe8sb37kiHNaeCqGxNimckCMj0lW5kg=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "ab58501b2341bc5e0fc88f2f5983a679b075ddf5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "latest",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "firefox-addons": {
       "inputs": {
         "flake-utils": [
@@ -302,6 +323,7 @@
     },
     "root": {
       "inputs": {
+        "disko": "disko",
         "firefox-addons": "firefox-addons",
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",

flake.nix

@@ -38,6 +38,12 @@
     #     flake-parts.follows = "flake-parts";
     #   };
     # };
+    disko = {
+      url = "github:nix-community/disko/latest";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
 
     firefox-addons = {
       url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";

systems/hetzner-bridge/configuration.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    ../../disko/hetzner.nix
+    ./networking.nix
+  ];
+  disko.devices.disk.main.device = "scsi-0QEMU_QEMU_HARDDISK_55513992";
+
+  boot = {
+    useSystemdBoot = true;
+  };
+
+  virtualisation.docker.enable = false;
+  services = {
+    locate.enable = false;
+    endlessh-go.enable = false;
+  };
+
+  #hardware.enableAllFirmware = true;
+
+  system.stateVersion = "24.05";
+}

systems/hetzner-bridge/default.nix

@@ -0,0 +1,8 @@
+{ inputs, ... }:
+{
+  users = [ "alice" ];
+  modules = [
+    # inputs.attic.nixosModules.atticd
+    inputs.disko.nixosModules.disko
+  ];
+}

systems/hetzner-bridge/hardware.nix

@@ -0,0 +1,39 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot = {
+    initrd.availableKernelModules = [
+      "ahci"
+      "xhci_pci"
+      "virtio_pci"
+      "virtio_scsi"
+      "sd_mod"
+      "sr_mod"
+    ];
+    initrd.kernelModules = [ ];
+    kernelModules = [ ];
+    extraModulePackages = [ ];
+  };
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  # networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

systems/hetzner-bridge/networking.nix

@@ -0,0 +1,19 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  networking.useDHCP = false;
+
+  systemd.network = {
+    enable = true;
+    networks."10-wan" = {
+      #matchConfig.Name = "enp1s0"; # either ens3 or enp1s0 depending on system, check 'ip addr'
+      matchConfig.Name = "ether";
+      networkConfig.DHCP = "ipv4";
+    };
+  };
+}

utils/hetzner-install.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env nix
+#! nix shell nixpkgs#bash nixpkgs#git --command bash
+
+set -o errexit   # abort on nonzero exitstatus
+set -o nounset   # abort on unbound variable
+set -o pipefail  # don't hide errors within pipes
+
+MACHINENAME="hetzner-bridge"
+
+sudo mkdir /root/.ssh
+sudo chmod 700 /root/.ssh
+sudo ssh-keygen -t ed25519 -o -a 100 -f "/root/.ssh/id_ed25519_giteadeploy" -q -N "" -C "$MACHINENAME" || echo "key already exists"
+
+sudo cat /root/.ssh/id_ed25519_giteadeploy.pub
+
+sudo ssh-keygen -A
+
+nix --extra-experimental-features 'flakes nix-command' shell nixpkgs#git
+nix --extra-experimental-features 'flakes nix-command' store gc
+FLAKE="git+ssh://gitea@nayeonie.com:2222/ahuston-0/nix-dotfiles?ref=feature/hetzner-bridge#hetzner-bridge"
+DISK_DEVICE=/dev/sda
+sudo nix \
+    --extra-experimental-features 'flakes nix-command' \
+    run github:nix-community/disko#disko-install -- \
+    --flake "$FLAKE" \
+    --write-efi-boot-entries \
+    --disk main "$DISK_DEVICE"

utils/hetzner-nixos-anywhere.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env nix
+#! nix shell nixpkgs#bash nixpkgs#mktemp nixpkgs#openssh nixpkgs#nixos-anywhere nixpkgs#sops --command bash
+
+echoerr() { printf "%s\n" "$*" >&2; }
+
+if (( $# != 1 )); then
+    echoerr "usage: $0 <hostname>"
+fi
+
+HOSTNAME=$1
+
+# Create a temporary directory
+temp=$(mktemp -d)
+
+# Function to cleanup temporary directory on exit
+cleanup() {
+  rm -rf "$temp"
+}
+trap cleanup EXIT
+
+# Create the directory where sshd expects to find the host keys
+install -d -m755 "$temp/etc/ssh"
+
+# Create host keys
+ssh-keygen -A -f "$temp/etc/ssh/"
+
+# Set the correct permissions so sshd will accept the key
+chmod 600 "$temp/etc/ssh/ssh_host_ed25519_key"
+
+AGEKEY=$(ssh-to-age < "$temp/etc/ssh/ssh_host_ed25519_key.pub")
+
+echo "$AGEKEY" | tee "./$HOSTNAME.age"
+
+# Install NixOS to the host system with our secrets
+nixos-anywhere --extra-files "$temp" --flake '.#your-host' root@yourip