Files
installer/iridium_installer/backend/os_install.py

330 lines
12 KiB
Python

import logging
import os
import subprocess
import sys
from contextlib import contextmanager
logger = logging.getLogger(__name__)
# Import network logging for critical operations
from .network_logging import log_to_discord
def log_os_install(operation, status="start", details=""):
log_to_discord(
"INFO", f"OSINSTALL_{operation}_{status}: {details}", module="os_install"
)
class CommandResult:
def __init__(self, stdout, stderr, returncode):
self.stdout = stdout
self.stderr = stderr
self.returncode = returncode
def run_command(cmd, check=True):
logger.info(f"Running command: {' '.join(cmd)}")
process = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
bufsize=1, # Line buffered
)
stdout_lines = []
stderr_lines = []
# Helper to read stream
def read_stream(stream, line_list, log_level):
for line in stream:
line_clean = line.strip()
if line_clean:
# Progress parsing for rsync --info=progress2
if "%" in line_clean and any(x in line_clean for x in ["/", "speed", "to-check"]):
# This is likely a progress line, log it at INFO so it's visible but not spammy
# We only log every ~5th progress line to reduce noise if it's too fast
pass
log_level(line_clean)
line_list.append(line)
import threading
t1 = threading.Thread(
target=read_stream, args=(process.stdout, stdout_lines, logger.info)
)
t2 = threading.Thread(
target=read_stream, args=(process.stderr, stderr_lines, logger.info)
)
t1.start()
t2.start()
t1.join()
t2.join()
returncode = process.wait()
stdout_str = "".join(stdout_lines)
stderr_str = "".join(stderr_lines)
if check and returncode != 0:
error_msg = f"Command failed: {' '.join(cmd)}\nExit Code: {returncode}\nStderr: {stderr_str}"
logger.error(error_msg)
raise subprocess.CalledProcessError(
returncode, cmd, output=stdout_str, stderr=stderr_str
)
return CommandResult(stdout_str, stderr_str, returncode)
@contextmanager
def mount_pseudo_fs(mount_root):
"""
Context manager to bind mount /dev, /proc, /sys, and efivarfs into mount_root.
"""
logger.info(f"Mounting pseudo-filesystems to {mount_root}...")
mounts = ["dev", "proc", "sys"]
mounted_paths = []
try:
for fs in mounts:
target = os.path.join(mount_root, fs)
os.makedirs(target, exist_ok=True)
run_command(["mount", "--bind", f"/{fs}", target])
mounted_paths.append(target)
# Mount efivarfs if it exists on the host
efivars_path = "/sys/firmware/efi/efivars"
if os.path.exists(efivars_path):
target = os.path.join(mount_root, "sys/firmware/efi/efivars")
os.makedirs(target, exist_ok=True)
try:
# Try bind mount first
run_command(["mount", "--bind", efivars_path, target])
mounted_paths.append(target)
except Exception:
try:
# Fallback to direct mount
run_command(["mount", "-t", "efivarfs", "efivarfs", target])
mounted_paths.append(target)
except Exception as e:
logger.warning(f"Failed to mount efivarfs: {e}")
yield
finally:
logger.info(f"Unmounting pseudo-filesystems from {mount_root}...")
for path in reversed(mounted_paths):
try:
run_command(["umount", "-l", path])
except Exception as e:
logger.warning(f"Failed to unmount {path}: {e}")
def is_uefi():
return os.path.exists("/sys/firmware/efi")
def install_minimal_os(mount_root, releasever="43"):
"""
Installs the OS by rsyncing from the live environment (fully offline).
"""
logger.info(f"Installing Iridium OS to {mount_root} via rsync...")
log_os_install("INSTALL", "start", f"Target: {mount_root}")
uefi = is_uefi()
# Exclude list for rsync to avoid copying pseudo-filesystems and temporary data
excludes = [
"/dev/*",
"/proc/*",
"/sys/*",
"/tmp/*",
"/run/*",
"/mnt/*",
"/media/*",
"/lost+found",
"/home/*/.gvfs",
"/home/*/.cache",
"/home/*/.local/share/Trash",
"/var/lib/dnf/*",
"/var/cache/dnf/*",
"/etc/fstab",
"/etc/hostname",
"/boot", # We handle boot separately (including the dir itself)
# Avoid copying the installer data itself if it's in home
"domek_na_skale",
]
exclude_args = [f"--exclude={ex}" for ex in excludes]
# 1. Main Root Sync
# We use -a (archive), -H (hard links), -A (acls), -X (xattrs), -v (verbose), -x (one file system)
# --info=progress2 gives a nice summary for logging
cmd = ["rsync", "-aHAXvx", "--info=progress2"] + exclude_args + ["/", mount_root]
logger.info("Starting main rsync operation...")
run_command(cmd)
# 2. Boot Sync
# If UEFI, /boot is likely FAT32 which doesn't support symlinks or xattrs
logger.info(f"Syncing /boot (UEFI: {uefi})...")
boot_dst = os.path.join(mount_root, "boot/")
os.makedirs(boot_dst, exist_ok=True)
if uefi:
# FAT32 friendly: follow links (-L), recursive (-r), preserve times (-t)
# We skip ACLs, xattrs, and hardlinks as they are not supported
boot_cmd = ["rsync", "-rtvL", "--info=progress2", "/boot/", boot_dst]
else:
# BIOS (ext4): standard archive is fine
boot_cmd = ["rsync", "-aHAXvx", "--info=progress2", "/boot/", boot_dst]
run_command(boot_cmd)
# Ensure essential directories exist
for d in ["dev", "proc", "sys", "run", "mnt", "tmp"]:
os.makedirs(os.path.join(mount_root, d), exist_ok=True)
logger.info("Base system rsync complete.")
log_os_install("INSTALL", "complete", f"Installed to {mount_root}")
def configure_system(mount_root, partition_info, user_info=None, disk_device=None):
"""
Basic configuration: fstab, bootloader, and user creation.
"""
logger.info("Configuring system...")
log_os_install("CONFIGURE", "start", f"Configuring system in {mount_root}")
uefi = is_uefi()
# 1. Generate fstab
def get_uuid(dev):
res = run_command(["blkid", "-s", "UUID", "-o", "value", dev])
return res.stdout.strip()
root_uuid = get_uuid(partition_info["root"])
fstab_lines = [f"UUID={root_uuid} / ext4 defaults 1 1"]
if uefi and partition_info.get("efi"):
efi_uuid = get_uuid(partition_info["efi"])
# For systemd-boot, we mount ESP to /boot
fstab_lines.append(f"UUID={efi_uuid} /boot vfat defaults 0 2")
if partition_info.get("swap"):
swap_uuid = get_uuid(partition_info["swap"])
fstab_lines.append(f"UUID={swap_uuid} none swap defaults 0 0")
os.makedirs(os.path.join(mount_root, "etc"), exist_ok=True)
with open(os.path.join(mount_root, "etc/fstab"), "w") as f:
f.write("\n".join(fstab_lines) + "\n")
# Ensure EFI is mounted for bootloader installation if UEFI
if uefi and partition_info.get("efi"):
efi_target = os.path.join(mount_root, "boot")
os.makedirs(efi_target, exist_ok=True)
# Check if already mounted
res = subprocess.run(["mount"], capture_output=True, text=True)
if efi_target not in res.stdout:
run_command(["mount", partition_info["efi"], efi_target])
with mount_pseudo_fs(mount_root):
# 2. Configure User
if user_info:
logger.info(f"Creating user {user_info['username']}...")
# Since we rsync from live, we might have a 'liveuser' or similar.
# We should probably clear /home and /etc/passwd entries that are non-system
# but for now, let's just make sure we can create the new one.
try:
# Remove liveuser if it exists (common in Fedora live)
run_command(["chroot", mount_root, "userdel", "-r", "liveuser"], check=False)
except: pass
run_command(["chroot", mount_root, "useradd", "-m", "-G", "wheel", user_info["username"]])
# Set hostname
with open(os.path.join(mount_root, "etc/hostname"), "w") as f:
f.write(user_info["hostname"] + "\n")
# Set passwords
try:
res = subprocess.run(
["openssl", "passwd", "-6", user_info["password"]],
capture_output=True,
text=True,
check=True
)
hashed_pass = res.stdout.strip()
run_command(["chroot", mount_root, "usermod", "-p", hashed_pass, user_info["username"]])
run_command(["chroot", mount_root, "usermod", "-p", hashed_pass, "root"])
except Exception as e:
logger.error(f"Failed to set passwords: {e}")
# 3. Configure Bootloader
if uefi:
logger.info("Configuring systemd-boot...")
# Remove any copied machine-id to ensure a unique one is generated
mid_path = os.path.join(mount_root, "etc/machine-id")
if os.path.exists(mid_path):
os.remove(mid_path)
run_command(["chroot", mount_root, "systemd-machine-id-setup"])
os.makedirs(os.path.join(mount_root, "etc/kernel"), exist_ok=True)
with open(os.path.join(mount_root, "etc/kernel/cmdline"), "w") as f:
f.write(f"root=UUID={root_uuid} rw quiet\n")
with open(os.path.join(mount_root, "etc/kernel/layout"), "w") as f:
f.write("bls\n")
# Initialize systemd-boot
run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot"])
# Sync kernels and generate BLS entries
# Since we rsync'd, kernels are in /lib/modules and /boot
# We use kernel-install to make sure they are properly set up for systemd-boot
modules_dir = os.path.join(mount_root, "lib/modules")
if os.path.exists(modules_dir):
kvers = [d for d in os.listdir(modules_dir) if os.path.isdir(os.path.join(modules_dir, d))]
for kver in kvers:
logger.info(f"Setting up boot entries for kernel {kver}...")
# Ensure initramfs exists in /boot (rsync should have copied it, but let's be sure)
initrd_path = f"/boot/initramfs-{kver}.img"
vmlinuz_path = f"/boot/vmlinuz-{kver}"
if not os.path.exists(os.path.join(mount_root, initrd_path.lstrip("/"))):
logger.info(f"Generating initramfs for {kver}...")
run_command(["chroot", mount_root, "dracut", "--force", initrd_path, kver])
# kernel-install add <version> <image> [initrd]
# On Fedora, kernel-install add will populate /boot/<machine-id>/<version>/
if os.path.exists(os.path.join(mount_root, vmlinuz_path.lstrip("/"))):
run_command(["chroot", mount_root, "kernel-install", "add", kver, vmlinuz_path])
else:
logger.info("Configuring GRUB2 (BIOS)...")
# Ensure /etc/default/grub exists
grub_default = os.path.join(mount_root, "etc/default/grub")
if not os.path.exists(grub_default):
with open(grub_default, "w") as f:
f.write('GRUB_TIMEOUT=5\nGRUB_DISTRIBUTOR="$(sed \'s, release .*$,,g\' /etc/system-release)"\nGRUB_DEFAULT=saved\nGRUB_DISABLE_SUBMENU=true\nGRUB_TERMINAL_OUTPUT="console"\nGRUB_CMDLINE_LINUX="rhgb quiet"\nGRUB_DISABLE_RECOVERY="true"\nGRUB_ENABLE_BLSCFG=true\n')
if not disk_device:
disk_device = partition_info["root"].rstrip("0123456789")
if disk_device.endswith("p"): disk_device = disk_device[:-1]
logger.info(f"Installing GRUB to {disk_device} (BIOS)")
run_command(["chroot", mount_root, "grub2-install", "--target=i386-pc", disk_device])
run_command(["chroot", mount_root, "grub2-mkconfig", "-o", "/boot/grub2/grub.cfg"])
run_command(["sync"])
logger.info("System configuration complete.")
log_os_install("CONFIGURE", "complete", "Bootloader and user configured successfully")