pmbootstrap/pmb/chroot/shutdown.py

88 lines
3.2 KiB
Python

# Copyright 2020 Oliver Smith
# SPDX-License-Identifier: GPL-3.0-or-later
import logging
import glob
import os
import socket
from contextlib import closing
import pmb.chroot
import pmb.chroot.distccd
import pmb.helpers.mount
import pmb.install.losetup
import pmb.parse.arch
def kill_adb(args):
"""
Kill adb daemon if it's running.
"""
port = 5038
with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
if sock.connect_ex(("127.0.0.1", port)) == 0:
pmb.chroot.root(args, ["adb", "-P", str(port), "kill-server"])
def shutdown_cryptsetup_device(args, name):
"""
:param name: cryptsetup device name, usually "pm_crypt" in pmbootstrap
"""
if not os.path.exists(args.work + "/chroot_native/dev/mapper/" + name):
return
pmb.chroot.apk.install(args, ["cryptsetup"])
status = pmb.chroot.root(args, ["cryptsetup", "status", name],
output_return=True, check=False)
if not status:
logging.warning("WARNING: Failed to run cryptsetup to get the status"
" for " + name + ", assuming it is not mounted"
" (shutdown fails later if it is)!")
return
if status.startswith("/dev/mapper/" + name + " is active."):
pmb.chroot.root(args, ["cryptsetup", "luksClose", name])
elif status.startswith("/dev/mapper/" + name + " is inactive."):
# When "cryptsetup status" fails, the device is not mounted and we
# have a left over file (#83)
pmb.chroot.root(args, ["rm", "/dev/mapper/" + name])
else:
raise RuntimeError("Failed to parse 'cryptsetup status' output!")
def shutdown(args, only_install_related=False):
pmb.chroot.distccd.stop(args)
# Stop adb server
kill_adb(args)
# Umount installation-related paths (order is important!)
pmb.helpers.mount.umount_all(args, args.work +
"/chroot_native/mnt/install")
shutdown_cryptsetup_device(args, "pm_crypt")
# Umount all losetup mounted images
chroot = args.work + "/chroot_native"
if pmb.helpers.mount.ismount(chroot + "/dev/loop-control"):
pattern = chroot + "/home/pmos/rootfs/*.img"
for path_outside in glob.glob(pattern):
path = path_outside[len(chroot):]
pmb.install.losetup.umount(args, path, auto_init=False)
# Umount device rootfs and installer chroots
for prefix in ["rootfs", "installer"]:
path = f"{args.work}/chroot_{prefix}_{args.device}"
if os.path.exists(path):
pmb.helpers.mount.umount_all(args, path)
if not only_install_related:
# Umount all folders inside args.work
# The folders are explicitly iterated over, so folders symlinked inside
# args.work get umounted as well (used in test_pkgrel_bump.py, #1595)
for path in glob.glob(args.work + "/*"):
pmb.helpers.mount.umount_all(args, path)
# Clean up the rest
for arch in pmb.config.build_device_architectures:
if pmb.parse.arch.cpu_emulation_required(args, arch):
pmb.chroot.binfmt.unregister(args, arch)
logging.debug("Shutdown complete")