316 lines
11 KiB
Python
316 lines
11 KiB
Python
import logging
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import os
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import subprocess
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import sys
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from contextlib import contextmanager
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logger = logging.getLogger(__name__)
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# Import network logging for critical operations
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from .network_logging import log_to_discord
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def log_os_install(operation, status="start", details=""):
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log_to_discord(
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"INFO", f"OSINSTALL_{operation}_{status}: {details}", module="os_install"
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)
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class CommandResult:
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def __init__(self, stdout, stderr, returncode):
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self.stdout = stdout
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self.stderr = stderr
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self.returncode = returncode
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def run_command(cmd, check=True):
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logger.info(f"Running command: {' '.join(cmd)}")
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process = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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bufsize=1, # Line buffered
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)
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stdout_lines = []
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stderr_lines = []
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# Helper to read stream
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def read_stream(stream, line_list, log_level):
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for line in stream:
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line_clean = line.strip()
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if line_clean:
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log_level(line_clean)
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line_list.append(line)
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import threading
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t1 = threading.Thread(
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target=read_stream, args=(process.stdout, stdout_lines, logger.info)
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)
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t2 = threading.Thread(
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target=read_stream, args=(process.stderr, stderr_lines, logger.error)
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)
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t1.start()
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t2.start()
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t1.join()
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t2.join()
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returncode = process.wait()
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stdout_str = "".join(stdout_lines)
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stderr_str = "".join(stderr_lines)
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if check and returncode != 0:
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raise subprocess.CalledProcessError(
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returncode, cmd, output=stdout_str, stderr=stderr_str
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)
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return CommandResult(stdout_str, stderr_str, returncode)
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@contextmanager
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def mount_pseudo_fs(mount_root):
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"""
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Context manager to bind mount /dev, /proc, /sys, and efivarfs into mount_root.
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"""
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logger.info(f"Mounting pseudo-filesystems to {mount_root}...")
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mounts = ["dev", "proc", "sys"]
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mounted_paths = []
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try:
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for fs in mounts:
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target = os.path.join(mount_root, fs)
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os.makedirs(target, exist_ok=True)
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run_command(["mount", "--bind", f"/{fs}", target])
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mounted_paths.append(target)
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# Mount efivarfs if it exists on the host
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efivars_path = "/sys/firmware/efi/efivars"
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if os.path.exists(efivars_path):
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target = os.path.join(mount_root, "sys/firmware/efi/efivars")
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os.makedirs(target, exist_ok=True)
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try:
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run_command(["mount", "-t", "efivarfs", "efivarfs", target])
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mounted_paths.append(target)
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except Exception as e:
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logger.warning(f"Failed to mount efivarfs: {e}")
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yield
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finally:
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logger.info(f"Unmounting pseudo-filesystems from {mount_root}...")
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for path in reversed(mounted_paths):
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try:
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run_command(["umount", "-l", path])
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except Exception as e:
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logger.warning(f"Failed to unmount {path}: {e}")
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def install_minimal_os(mount_root, releasever="43"):
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"""
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Installs minimal Fedora packages to mount_root.
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"""
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logger.info(f"Installing minimal Fedora {releasever} to {mount_root}...")
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log_os_install("INSTALL", "start", f"Target: {mount_root}, Release: {releasever}")
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packages = [
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"basesystem",
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"bash",
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"coreutils",
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"kernel",
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"systemd",
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"systemd-boot-unsigned",
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"dnf",
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"shadow-utils",
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"util-linux",
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"efibootmgr",
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"passwd",
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"rootfiles",
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"vim-minimal",
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]
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# Offline installation logic
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possible_repos = [
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"/run/install/repo",
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"/run/install/source",
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"/mnt/install/repo",
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"/run/initramfs/live",
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"/run/initramfs/isoscan",
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]
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iso_repo = None
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for path in possible_repos:
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if os.path.exists(os.path.join(path, "repodata")):
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iso_repo = path
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break
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elif os.path.exists(os.path.join(path, "Packages")):
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iso_repo = path
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break
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# Try searching in /run/media if not found
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if not iso_repo and os.path.exists("/run/media"):
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try:
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for user in os.listdir("/run/media"):
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user_path = os.path.join("/run/media", user)
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if os.path.isdir(user_path):
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for label in os.listdir(user_path):
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label_path = os.path.join(user_path, label)
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if os.path.exists(os.path.join(label_path, "repodata")):
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iso_repo = label_path
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break
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if iso_repo: break
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except Exception: pass
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dnf_args = []
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if iso_repo:
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logger.info(f"Found ISO repository at {iso_repo}. Using strictly offline mode.")
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dnf_args = [
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"--disablerepo=*",
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f"--repofrompath=iridium-iso,{iso_repo}",
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"--enablerepo=iridium-iso",
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"--cacheonly",
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]
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else:
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logger.warning("ISO repository not found in common locations. DNF might try to use network.")
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dnf_args = []
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cmd = [
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"dnf",
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"install",
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"-y",
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f"--installroot={mount_root}",
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f"--releasever={releasever}",
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"--setopt=install_weak_deps=False",
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"--nodocs",
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]
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if not iso_repo:
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cmd.append("--use-host-config")
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cmd += dnf_args + packages
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with mount_pseudo_fs(mount_root):
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run_command(cmd)
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logger.info("Base system installation complete.")
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log_os_install("INSTALL", "complete", f"Installed to {mount_root}")
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def configure_system(mount_root, partition_info, user_info=None):
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"""
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Basic configuration: fstab, systemd-boot, and user creation.
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"""
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logger.info("Configuring system...")
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log_os_install("CONFIGURE", "start", f"Configuring system in {mount_root}")
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# 1. Generate fstab
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def get_uuid(dev):
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res = run_command(["blkid", "-s", "UUID", "-o", "value", dev])
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return res.stdout.strip()
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root_uuid = get_uuid(partition_info["root"])
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efi_uuid = get_uuid(partition_info["efi"])
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swap_entry = ""
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if partition_info.get("swap"):
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swap_uuid = get_uuid(partition_info["swap"])
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swap_entry = f"UUID={swap_uuid} none swap defaults 0 0\n"
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fstab_content = f"""
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UUID={root_uuid} / ext4 defaults 1 1
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UUID={efi_uuid} /boot vfat defaults 0 2
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{swap_entry}
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"""
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os.makedirs(os.path.join(mount_root, "etc"), exist_ok=True)
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with open(os.path.join(mount_root, "etc/fstab"), "w") as f:
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f.write(fstab_content)
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with mount_pseudo_fs(mount_root):
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# 2. Configure User
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if user_info:
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logger.info(f"Creating user {user_info['username']}...")
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# Create user and add to wheel group (sudoer)
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run_command(["chroot", mount_root, "useradd", "-m", "-G", "wheel", user_info["username"]])
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# Ensure changes to /etc/passwd and /etc/shadow are flushed
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run_command(["sync"])
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# Ensure wheel group has sudo privileges
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sudoers_dir = os.path.join(mount_root, "etc/sudoers.d")
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os.makedirs(sudoers_dir, exist_ok=True)
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with open(os.path.join(sudoers_dir, "wheel"), "w") as f:
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f.write("%wheel ALL=(ALL) ALL\n")
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os.chmod(os.path.join(sudoers_dir, "wheel"), 0o440)
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# Set user and root password using chpasswd -R (from host side)
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try:
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logger.info(f"Setting passwords for {user_info['username']} and root...")
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# We set both to the same password for convenience in this minimal install
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pass_data = f"{user_info['username']}:{user_info['password']}\nroot:{user_info['password']}\n"
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subprocess.run(
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["chpasswd", "-R", mount_root],
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input=pass_data,
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text=True,
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check=True
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)
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except subprocess.CalledProcessError as e:
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logger.error("Failed to set passwords using chpasswd -R")
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raise e
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# Set hostname
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with open(os.path.join(mount_root, "etc/hostname"), "w") as f:
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f.write(user_info["hostname"] + "\n")
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# 3. Configure systemd-boot
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# Ensure machine-id exists for kernel-install
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if not os.path.exists(os.path.join(mount_root, "etc/machine-id")):
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run_command(["chroot", mount_root, "systemd-machine-id-setup"])
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# Set kernel command line
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os.makedirs(os.path.join(mount_root, "etc/kernel"), exist_ok=True)
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with open(os.path.join(mount_root, "etc/kernel/cmdline"), "w") as f:
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f.write(f"root=UUID={root_uuid} rw quiet\n")
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# Set kernel layout to BLS for systemd-boot
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with open(os.path.join(mount_root, "etc/kernel/layout"), "w") as f:
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f.write("bls\n")
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# Install systemd-boot to the ESP (mounted at /boot)
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# Note: removed --force as it's not supported by all bootctl versions
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run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot"])
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# Add kernel entries
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modules_dir = os.path.join(mount_root, "lib/modules")
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if os.path.exists(modules_dir):
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kvers = [d for d in os.listdir(modules_dir) if os.path.isdir(os.path.join(modules_dir, d))]
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for kver in kvers:
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logger.info(f"Adding kernel entry for {kver}...")
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# Ensure initramfs exists. If not, generate it.
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initrd_path_rel = f"boot/initramfs-{kver}.img"
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initrd_full_path = os.path.join(mount_root, initrd_path_rel)
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if not os.path.exists(initrd_full_path):
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logger.info(f"Generating initramfs for {kver}...")
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run_command(["chroot", mount_root, "dracut", "--force", f"/boot/initramfs-{kver}.img", kver])
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kernel_image = f"/lib/modules/{kver}/vmlinuz"
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initrd_arg = f"/boot/initramfs-{kver}.img"
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# kernel-install add <version> <image> [initrd]
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cmd = ["chroot", mount_root, "kernel-install", "add", kver, kernel_image]
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if os.path.exists(os.path.join(mount_root, initrd_arg.lstrip("/"))):
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cmd.append(initrd_arg)
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run_command(cmd)
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# Ensure all data is synced to disk
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run_command(["sync"])
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logger.info("System configuration complete.")
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log_os_install("CONFIGURE", "complete", "systemd-boot and user configured successfully")
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