Richie/dotfiles
1
0
Fork 0
mirror of https://github.com/RichieCahill/dotfiles.git synced 2026-04-17 04:58:19 -04:00
Code Issues Packages Projects Releases Wiki Activity

replaced nixos-generate-config with create_nix_hardware_file

Browse Source
This commit is contained in:
Richie Cahill
2025-01-05 01:19:15 -05:00
parent 2a12b80dfa
commit d991f94d7e
1 changed files with 71 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
tools/installer.py
View File

@@ -145,6 +145,76 @@ def create_zfs_datasets() -> None:
sys.exit(1)
def get_cpu_manufacturer() -> str:
"""Get the CPU manufacturer."""
output = bash_wrapper("cat /proc/cpuinfo")
id_vendor = {"AuthenticAMD": "amd", "GenuineIntel": "intel"}
for line in output.splitlines():
if "vendor_id" in line:
return id_vendor[line.split(": ")[1].strip()]
def get_boot_drive_id(disk: str) -> str:
"""Get the boot drive ID."""
output = bash_wrapper(f"lsblk -o UUID {disk}-part1")
return output.splitlines()[1]
def create_nix_hardware_file(mnt_dir: str, disks: Sequence[str], encrypt: bool) -> None:
"""Create a NixOS hardware file."""
cpu_manufacturer = get_cpu_manufacturer()
devices = ""
if encrypt:
disk = disks[0]
devices = (
f' luks.devices."luks-root-pool-{disk.split("/")[-1]}-part2"'
"= {\n"
f' device = "{disk}-part2";\n'
" bypassWorkqueues = true;\n"
" allowDiscards = true;\n"
" };\n"
)
host_id = format(getrandbits(32), "08x")
nix_hardware = (
"{ config, lib, modulesPath, ... }:\n"
"{\n"
' imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];\n\n'
" boot = {\n"
" initrd = {\n"
' availableKernelModules = [ \n "ahci"\n "ehci_pci"\n "nvme"\n "sd_mod"\n "usb_storage"\n "usbhid"\n "xhci_pci"\n ];\n'
" kernelModules = [ ];\n"
f" {devices}"
" };\n"
f' kernelModules = [ "kvm-{cpu_manufacturer}" ];\n'
" extraModulePackages = [ ];\n"
" };\n\n"
" fileSystems = {\n"
' "/" = lib.mkDefault {\n device = "root_pool/root";\n fsType = "zfs";\n };\n\n'
' "/home" = {\n device = "root_pool/home";\n fsType = "zfs";\n };\n\n'
' "/var" = {\n device = "root_pool/var";\n fsType = "zfs";\n };\n\n'
' "/nix" = {\n device = "root_pool/var";\n fsType = "zfs";\n };\n\n'
' "/boot" = {\n'
f" device = /dev/disk/by-uuid/{get_boot_drive_id(disks[0])};\n"
' fsType = "vfat";\n'
' options = [\n "fmask=0077"\n "dmask=0077"\n ];\n };\n };\n\n'
" swapDevices = [ ];\n\n"
" networking.useDHCP = lib.mkDefault true;\n\n"
' nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";\n'
f" hardware.cpu.{cpu_manufacturer}.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;\n"
f'networking.hostId = "{host_id}";\n'
"}\n"
)
Path(f"{mnt_dir}/etc/nixos/hardware-configuration.nix").write_text(nix_hardware)
def install_nixos(mnt_dir: str, disks: Sequence[str], encrypt: bool) -> None:
"""Install NixOS."""
bash_wrapper(f"mount -o X-mount.mkdir -t zfs root_pool/root {mnt_dir}")
@@ -159,27 +229,7 @@ def install_nixos(mnt_dir: str, disks: Sequence[str], encrypt: bool) -> None:
boot_partition = f"mount -t vfat -o fmask=0077,dmask=0077,iocharset=iso8859-1,X-mount.mkdir {disks[0]}-part1 {mnt_dir}/boot"
bash_wrapper(boot_partition)
bash_wrapper(f"nixos-generate-config --root {mnt_dir}")
host_id = format(getrandbits(32), "08x")
nix_hardware = Path(f"{mnt_dir}/etc/nixos/hardware-configuration.nix").read_text()
nix_hardware = nix_hardware.replace(
";\n}", f';\n networking.hostId = "{host_id}";' "\n}"
)
if encrypt:
test = [
f' "luks-root-pool-{disk.split("/")[-1]}-part2".device = "{disk}-part2";\n'
for disk in disks
]
encrypted_disks = (
";\n boot.initrd.luks.devices = {\n" f"{''.join(test)}" " };\n" "}"
)
nix_hardware = nix_hardware.replace(";\n}", encrypted_disks)
Path(f"{mnt_dir}/etc/nixos/hardware-configuration.nix").write_text(nix_hardware)
create_nix_hardware_file(mnt_dir, disks, encrypt)
run(("nixos-install", "--root", mnt_dir), check=True) # noqa: S603