kylekrein/live-bootstrap
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Add minimal unprivileged bootstrap

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This commit is contained in:
MaxHearnden 2024-09-10 05:57:49 +01:00
parent 1f272f9050
commit f3828e44db
7 changed files with 66 additions and 10 deletions
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19
rootfs.py
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@ -31,7 +31,7 @@ def create_configuration_file(args):
config.write(f"ARCH={args.arch}\n")
config.write(f"ARCH_DIR={stage0_arch_map.get(args.arch, args.arch)}\n")
config.write(f"FORCE_TIMESTAMPS={args.force_timestamps}\n")
config.write(f"CHROOT={args.chroot or args.bwrap}\n")
config.write(f"CHROOT={args.chroot or args.bwrap or args.wrap}\n")
config.write(f"UPDATE_CHECKSUMS={args.update_checksums}\n")
config.write(f"JOBS={args.cores}\n")
config.write(f"SWAP_SIZE={args.swap}\n")
@ -63,6 +63,8 @@ def main():
default="x86")
parser.add_argument("-c", "--chroot", help="Run inside chroot",
action="store_true")
parser.add_argument("-w", "--wrap", help="Run inside a minimal sandbox",
action="store_true")
parser.add_argument("-bw", "--bwrap", help="Run inside a bwrap sandbox",
action="store_true")
parser.add_argument("-t", "--target", help="Target directory",
@ -127,15 +129,18 @@ def main():
count += 1
if args.bwrap:
count += 1
if args.wrap:
count += 1
if args.bare_metal:
count += 1
return count
if check_types() > 1:
raise ValueError("No more than one of qemu, chroot, bwrap, bare metal"
"may be used.")
raise ValueError("No more than one of qemu, chroot, bwrap, wrap, bare "
"metal may be used.")
if check_types() == 0:
raise ValueError("One of qemu, chroot, bwrap, or bare metal must be selected.")
raise ValueError("One of qemu, chroot, bwrap, wrap, or bare metal must"
" be selected.")
# Arch validation
if args.arch != "x86":
@ -237,6 +242,12 @@ print(shutil.which('chroot'))
'--tmpfs', '/tmp',
init)
elif args.wrap:
generator.prepare(target, wrap = True)
arch = stage0_arch_map.get(args.arch, args.arch)
init = os.path.join('bootstrap-seeds', 'POSIX', arch, 'kaem-optional-seed')
run(init, cwd = generator.target_dir)
elif args.bare_metal:
if args.kernel:
generator.prepare(target, using_kernel=True, target_size=size)