mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
76 lines
2.0 KiB
Python
Executable File
76 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import common
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import subprocess
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import tarfile
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import time
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parser = common.get_argparse(argparse_args={
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'description': '''\
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Build a guest root filesystem based on prebuilt Docker Ubuntu root filesystems.
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See also:https://github.com/cirosantilli/linux-kernel-module-cheat#ubuntu-guest-setup
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'''
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},
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default_args={'docker': True},
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)
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common.add_build_arguments(parser)
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args = common.setup(parser)
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container_name = 'lkmc-guest'
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#common.rmrf(common.docker_build_dir)
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if not args.clean:
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start_time = time.time()
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target_dir = os.path.join('/root', 'linux-kernel-module-cheat')
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os.makedirs(common.docker_build_dir, exist_ok=True)
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containers = subprocess.check_output([
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'docker',
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'ps',
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'-a',
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'--format', '{{.Names}}',
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]).decode()
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if container_name in containers.split():
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assert common.run_cmd([
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'docker',
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'rm',
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container_name,
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]) == 0
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assert common.run_cmd([
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'docker',
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'create',
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'--name', container_name,
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'--net',
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'host',
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'-i',
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'--privileged',
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'-t',
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'-w', target_dir,
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'-v', '{}:{}'.format(common.root_dir, target_dir),
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'ubuntu:18.04',
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'bash',
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]) == 0
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assert common.run_cmd([
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'docker',
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'export',
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'-o',
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common.docker_tar_file,
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container_name,
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]) == 0
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tar = tarfile.open(common.docker_tar_file)
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tar.extractall(common.docker_tar_dir)
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tar.close()
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# sudo not required in theory
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# https://askubuntu.com/questions/1046828/how-to-run-libguestfs-tools-tools-such-as-virt-make-fs-without-sudo
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assert common.run_cmd([
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'virt-make-fs',
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'--format', 'raw',
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'--size', '+1G',
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'--type', 'ext2',
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common.docker_tar_dir,
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common.docker_rootfs_raw_file,
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]) == 0
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common.raw_to_qcow2(prebuilt=True)
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end_time = time.time()
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common.print_time(end_time - start_time)
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