def _setup_scratch_directory(
system_context: SystemContext, btrfs_helper: BtrfsHelper
) -> None:
btrfs_helper.create_subvolume(system_context.fs_directory)
btrfs_helper.create_subvolume(system_context.cache_directory)
btrfs_helper.create_subvolume(system_context.meta_directory)
btrfs_helper.create_subvolume(system_context.boot_directory)
def __call__(self, parse_result: typing.Any) -> None:
container_name = parse_result.override_system_name
if not container_name:
container_name = parse_result.system_name
if container_name.startswith('system-'):
container_name = container_name[7:]
container_dir = os.path.join('/var/lib/machines', container_name)
import_dir = container_dir + '_import'
try:
btrfs = BtrfsHelper('/usr/bin/btrfs')
btrfs.create_subvolume(import_dir)
# Mount filessytems and copy the rootfs into import_dir:
tool.execute_with_system_mounted(
lambda e, r: _extract_into_snapshot(
e, r, import_snapshot=import_dir),
repository=parse_result.repository,
system_name=parse_result.system_name,
system_version=parse_result.system_version)
# Delete *old* container-name:
if btrfs.is_subvolume(container_dir):
btrfs.delete_subvolume(container_dir)
# Copy over container filesystem:
btrfs.create_snapshot(import_dir, container_dir, read_only=True)
finally:
btrfs.delete_subvolume(import_dir)
def __call__(self, *, parse_result: typing.Any, tmp_dir: str,
image_file: str) -> int:
container_name = parse_result.override_system_name
if not container_name:
container_name = parse_result.system_name
if container_name.startswith("system-"):
container_name = container_name[7:]
if container_name.startswith("arch-"):
container_name = container_name[5:]
elif container_name.startswith("clr-"):
container_name = container_name[4:]
read_write = parse_result.read_write
container_dir = os.path.join(parse_result.machines_dir, container_name)
import_dir = container_dir + "_import"
try:
btrfs = BtrfsHelper("/usr/bin/btrfs")
btrfs.create_subvolume(import_dir)
# Mount filessystems and copy the rootfs into import_dir:
result = tool.execute_with_system_mounted(
lambda e, r: _extract_into_snapshot(
e, r, import_snapshot=import_dir),
image_file=image_file,
tmp_dir=tmp_dir,
)
# Delete *old* container-name:
if btrfs.is_subvolume(container_dir):
btrfs.delete_subvolume(container_dir)
# Copy over container filesystem:
btrfs.create_snapshot(import_dir,
container_dir,
read_only=not read_write)
finally:
btrfs.delete_subvolume(import_dir)
return result