Initial commit

3 files changed, 111 insertions, 0 deletions

diff --git a/hosts/eurovm/default.nix b/hosts/eurovm/default.nix
new file mode 100644
index 0000000..6c92b67
--- /dev/null
+++ b/hosts/eurovm/default.nix
@@ -0,0 +1,32 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./hardware.nix
+    ./disko.nix
+    ../../modules/common.nix
+    ../../modules/sops.nix
+    ../../modules/caddy.nix
+    ../../modules/adguard.nix
+    ../../modules/miniflux.nix
+    ../../modules/actual.nix
+    ../../modules/cgit.nix
+  ];
+
+  networking.hostName = "eurovm";
+
+  # Admin user - authorized SSH keys for both Einstein and Galileo devices
+  users.users.admin = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAwAgL0o4NVonSG07Xu4Eai84ns4AjoZj2V7dGC9nXit karanjayachandra@Einstein.local"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH+qnLTnorv+I2rSSfGjNiCuX/W5AxoNgAdu+cTOyKzW Galileo"
+    ];
+  };
+
+  # Allow admin to use sudo
+  security.sudo.wheelNeedsPassword = false;
+
+  system.stateVersion = "24.11";
+}
diff --git a/hosts/eurovm/disko.nix b/hosts/eurovm/disko.nix
new file mode 100644
index 0000000..d1ec85c
--- /dev/null
+++ b/hosts/eurovm/disko.nix
@@ -0,0 +1,47 @@
+{ ... }:
+
+# Disk layout for nixos-anywhere + disko.
+# Targets a single virtio disk (typical for Hetzner Cloud).
+# GPT with a BIOS-boot partition so GRUB works without UEFI.
+{
+  disko.devices = {
+    disk.main = {
+      # Hetzner Cloud primary disk is /dev/sda on most instance types.
+      # On NVMe instances it will be /dev/nvme0n1 - update accordingly.
+      device = "/dev/sda";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          # 1 MiB BIOS-boot partition required by GRUB on GPT disks
+          boot = {
+            size = "1M";
+            type = "EF02"; # BIOS boot
+            priority = 1;
+          };
+
+          # 512 MiB /boot - keeps kernels/initrds out of root for clarity
+          ESP = {
+            size = "512M";
+            type = "8300";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/boot";
+            };
+          };
+
+          # Root partition - all remaining space
+          root = {
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+            };
+          };
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/eurovm/hardware.nix b/hosts/eurovm/hardware.nix
new file mode 100644
index 0000000..50f768c
--- /dev/null
+++ b/hosts/eurovm/hardware.nix
@@ -0,0 +1,32 @@
+{ modulesPath, ... }:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  # Hetzner Cloud uses virtio block devices and a BIOS boot (non-EFI for older
+  # instances; newer CX instances support UEFI - disko.nix uses GPT + BIOS-boot
+  # partition so it works on both).
+  boot.loader.grub = {
+    enable = true;
+    # disko will set boot.loader.grub.device via the disk configuration
+  };
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+    "sr_mod"
+  ];
+
+  boot.kernelModules = [ "kvm-intel" ];
+
+  # Hetzner Cloud networking: single public interface
+  networking = {
+    useDHCP = false;
+    interfaces.eth0.useDHCP = true;
+    # IPv6 is assigned via SLAAC on Hetzner
+    interfaces.eth0.ipv6.addresses = [];
+  };
+}