5875725ca2
- Rename variants/ to hw/ for clearer hardware module naming - Rename glue/ to fleet/ for more intuitive fleet management - Move boot/fs configuration from glue/boot.nix to separate fleet/boot.nix and fleet/fs.nix - Improve separation of concerns between boot, filesystem, and common config
67 lines
2.0 KiB
Nix
67 lines
2.0 KiB
Nix
# ============================================================================
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# Ephemeral/Diskless System Configuration
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# ============================================================================
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# Configuration for systems that run entirely from RAM without persistent storage.
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# Suitable for kiosks, netboot clients, and stateless workstations.
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# All data is lost on reboot.
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{
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config,
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lib,
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modulesPath,
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...
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}:
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{
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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];
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# ========== Boot Configuration ==========
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boot.initrd.availableKernelModules = [
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"xhci_pci" # USB 3.0 support
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"nvme" # NVMe support
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"usb_storage" # USB storage devices
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"sd_mod" # SD card support
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"sdhci_pci" # SD card host controller
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];
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boot.initrd.kernelModules = [ ];
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boot.kernelModules = [ "kvm-intel" ]; # Intel virtualization support
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boot.extraModulePackages = [ ];
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boot.kernelParams = [
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"quiet" # Minimal boot messages
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"splash" # Show Plymouth boot splash
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"boot.shell_on_fail" # Emergency shell on boot failure
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"udev.log_priority=3" # Reduce udev logging
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"rd.systemd.show_status=auto" # Show systemd status during boot
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];
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# ========== Ephemeral Configuration ==========
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# No persistent storage - everything runs from RAM
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athenix.host.filesystem.swapSize = lib.mkForce "0G";
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athenix.host.filesystem.device = lib.mkForce "/dev/null"; # Dummy device
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athenix.host.buildMethods = lib.mkDefault [
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"iso" # Live ISO image
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"ipxe" # Network boot
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];
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# Disable disk management for RAM-only systems
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disko.enableConfig = lib.mkForce false;
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# Define tmpfs root filesystem
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fileSystems."/" = {
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device = "none";
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fsType = "tmpfs";
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options = [
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"defaults"
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"size=50%"
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"mode=755"
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];
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};
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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athenix.sw.enable = lib.mkDefault true;
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athenix.sw.type = lib.mkDefault "stateless-kiosk";
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}
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