Files
clan-core/pkgs/clan-cli/clan_cli/flash/flash.py

165 lines
5.6 KiB
Python

import importlib
import json
import logging
import os
import shutil
from dataclasses import dataclass, field
from pathlib import Path
from tempfile import TemporaryDirectory
from typing import Any
from clan_cli.api import API
from clan_cli.cmd import Log, RunOpts, run
from clan_cli.errors import ClanError
from clan_cli.facts.generate import generate_facts
from clan_cli.facts.secret_modules import SecretStoreBase
from clan_cli.machines.machines import Machine
from clan_cli.nix import nix_shell
from clan_cli.vars.generate import generate_vars_for_machine
from .automount import pause_automounting
from .list import list_possible_keymaps, list_possible_languages
log = logging.getLogger(__name__)
@dataclass
class WifiConfig:
ssid: str
@dataclass
class SystemConfig:
language: str | None = field(default=None)
keymap: str | None = field(default=None)
ssh_keys_path: list[str] | None = field(default=None)
wifi_settings: list[WifiConfig] | None = field(default=None)
@dataclass
class Disk:
name: str
device: str
@API.register
def flash_machine(
machine: Machine,
*,
mode: str,
disks: list[Disk],
system_config: SystemConfig,
dry_run: bool,
write_efi_boot_entries: bool,
debug: bool,
extra_args: list[str] | None = None,
) -> None:
devices = [Path(disk.device) for disk in disks]
with pause_automounting(devices):
if extra_args is None:
extra_args = []
system_config_nix: dict[str, Any] = {}
generate_vars_for_machine(
machine, generator_name=None, regenerate=False, fix=False
)
generate_facts([machine])
if system_config.wifi_settings:
wifi_settings: dict[str, dict[str, str]] = {}
for wifi in system_config.wifi_settings:
wifi_settings[wifi.ssid] = {}
system_config_nix["clan"] = {"iwd": {"networks": wifi_settings}}
if system_config.language:
if system_config.language not in list_possible_languages():
msg = (
f"Language '{system_config.language}' is not a valid language. "
f"Run 'clan flash list languages' to see a list of possible languages."
)
raise ClanError(msg)
system_config_nix["i18n"] = {"defaultLocale": system_config.language}
if system_config.keymap:
if system_config.keymap not in list_possible_keymaps():
msg = (
f"Keymap '{system_config.keymap}' is not a valid keymap. "
f"Run 'clan flash list keymaps' to see a list of possible keymaps."
)
raise ClanError(msg)
system_config_nix["console"] = {"keyMap": system_config.keymap}
system_config_nix["services"] = {
"xserver": {"xkb": {"layout": system_config.keymap}}
}
if system_config.ssh_keys_path:
root_keys = []
for key_path in (Path(x) for x in system_config.ssh_keys_path):
try:
root_keys.append(key_path.read_text())
except OSError as e:
msg = f"Cannot read SSH public key file: {key_path}: {e}"
raise ClanError(msg) from e
system_config_nix["users"] = {
"users": {"root": {"openssh": {"authorizedKeys": {"keys": root_keys}}}}
}
secret_facts_module = importlib.import_module(machine.secret_facts_module)
secret_facts_store: SecretStoreBase = secret_facts_module.SecretStore(
machine=machine
)
with TemporaryDirectory(prefix="disko-install-") as tmpdir_:
tmpdir = Path(tmpdir_)
upload_dir = machine.secrets_upload_directory
if upload_dir.startswith("/"):
local_dir = tmpdir / upload_dir[1:]
else:
local_dir = tmpdir / upload_dir
local_dir.mkdir(parents=True)
secret_facts_store.upload(local_dir)
disko_install = []
if os.geteuid() != 0:
if shutil.which("sudo") is None:
msg = "sudo is required to run disko-install as a non-root user"
raise ClanError(msg)
wrapper = 'set -x; disko_install=$(command -v disko-install); exec sudo "$disko_install" "$@"'
disko_install.extend(["bash", "-c", wrapper])
disko_install.append("disko-install")
if write_efi_boot_entries:
disko_install.append("--write-efi-boot-entries")
if dry_run:
disko_install.append("--dry-run")
if debug:
disko_install.append("--debug")
for disk in disks:
disko_install.extend(["--disk", disk.name, disk.device])
disko_install.extend(["--extra-files", str(local_dir), upload_dir])
disko_install.extend(["--flake", str(machine.flake) + "#" + machine.name])
disko_install.extend(["--mode", str(mode)])
disko_install.extend(
[
"--system-config",
json.dumps(system_config_nix),
]
)
disko_install.extend(["--option", "dry-run", "true"])
disko_install.extend(extra_args)
cmd = nix_shell(
["nixpkgs#disko"],
disko_install,
)
run(
cmd,
RunOpts(
log=Log.BOTH,
error_msg=f"Failed to flash {machine}",
needs_user_terminal=True,
),
)