92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
"""
|
|
Copyright 2018 Oliver Smith
|
|
|
|
This file is part of pmbootstrap.
|
|
|
|
pmbootstrap is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
pmbootstrap is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
|
|
"""
|
|
import os
|
|
import shutil
|
|
|
|
import pmb.config
|
|
import pmb.chroot
|
|
import pmb.chroot.binfmt
|
|
import pmb.helpers.run
|
|
import pmb.helpers.run_core
|
|
|
|
|
|
def executables_absolute_path():
|
|
"""
|
|
Get the absolute paths to the sh and chroot executables.
|
|
"""
|
|
ret = {}
|
|
for binary in ["sh", "chroot"]:
|
|
path = shutil.which(binary, path=pmb.config.chroot_host_path)
|
|
if not path:
|
|
raise RuntimeError("Could not find the '" + binary +
|
|
"' executable. Make sure, that it is in" " your current user's PATH.")
|
|
ret[binary] = path
|
|
return ret
|
|
|
|
|
|
def root(args, cmd, suffix="native", working_dir="/", output="log",
|
|
output_return=False, check=None, env={}, auto_init=True):
|
|
"""
|
|
Run a command inside a chroot as root.
|
|
|
|
:param env: dict of environment variables to be passed to the command, e.g.
|
|
{"JOBS": "5"}
|
|
:param auto_init: automatically initialize the chroot
|
|
|
|
See pmb.helpers.run_core.core() for a detailed description of all other
|
|
arguments and the return value.
|
|
"""
|
|
# Initialize chroot
|
|
chroot = args.work + "/chroot_" + suffix
|
|
if not auto_init and not os.path.islink(chroot + "/bin/sh"):
|
|
raise RuntimeError("Chroot does not exist: " + chroot)
|
|
if auto_init:
|
|
pmb.chroot.init(args, suffix)
|
|
|
|
# Readable log message (without all the escaping)
|
|
msg = "(" + suffix + ") % "
|
|
for key, value in env.items():
|
|
msg += key + "=" + value + " "
|
|
if working_dir != "/":
|
|
msg += "cd " + working_dir + "; "
|
|
msg += " ".join(cmd)
|
|
|
|
# Merge env with defaults into env_all
|
|
env_all = {"CHARSET": "UTF-8",
|
|
"HISTFILE": "~/.ash_history",
|
|
"HOME": "/root",
|
|
"PATH": pmb.config.chroot_path,
|
|
"SHELL": "/bin/ash",
|
|
"TERM": "xterm"}
|
|
for key, value in env.items():
|
|
env_all[key] = value
|
|
|
|
# Build the command in steps and run it, e.g.:
|
|
# cmd: ["echo", "test"]
|
|
# cmd_chroot: ["/sbin/chroot", "/..._native", "/bin/sh", "-c", "echo test"]
|
|
# cmd_sudo: ["sudo", "env", "-i", "sh", "-c", "PATH=... /sbin/chroot ..."]
|
|
executables = executables_absolute_path()
|
|
cmd_chroot = [executables["chroot"], chroot, "/bin/sh", "-c",
|
|
pmb.helpers.run.flat_cmd(cmd, working_dir)]
|
|
cmd_sudo = ["sudo", "env", "-i", executables["sh"], "-c",
|
|
pmb.helpers.run.flat_cmd(cmd_chroot, env=env_all)]
|
|
kill_as_root = output in ["log", "stdout"]
|
|
return pmb.helpers.run_core.core(args, msg, cmd_sudo, None, output,
|
|
output_return, check, kill_as_root)
|