def directory_sync_from_remote(*,
executor: Executor,
source: pathlib.Path,
destination: pathlib.Path,
delete: bool = False,
host_tar_cmd: str = "tar",
target_tar_cmd: str = "tar") -> None:
"""Naive sync from remote using tarball.
Relies on only the required Executor.interfaces.
:param source: Target directory to copy from.
:param destination: Host destination directory to copy to.
"""
destination_path = destination.as_posix()
if delete and destination.exists():
shutil.rmtree(destination)
destination.mkdir(parents=True)
archive_proc = executor.execute_popen(
[host_tar_cmd, "cpf", "-", "-C",
source.as_posix(), "."],
stdout=subprocess.PIPE,
)
target_proc = subprocess.Popen(
[target_tar_cmd, "xpvf", "-,", "-C", destination_path],
stdin=archive_proc.stdout,
)
# Allow archive_proc to receive a SIGPIPE if destination_proc exits.
if archive_proc.stdout:
archive_proc.stdout.close()
# Waot until done.
target_proc.communicate()
def directory_sync_to_remote(*,
executor: Executor,
source: pathlib.Path,
destination: pathlib.Path,
delete=True,
host_tar_cmd: str = "tar",
target_tar_cmd: str = "tar") -> None:
"""Naive sync to remote using tarball.
:param source: Host directory to copy.
:param destination: Target destination directory to copy to.
:param delete: Flag to delete existing destination, if exists.
"""
destination_path = destination.as_posix()
if delete is True:
executor.execute_run(["rm", "-rf", destination_path], check=True)
executor.execute_run(["mkdir", "-p", destination_path], check=True)
archive_proc = subprocess.Popen(
[host_tar_cmd, "cpf", "-", "-C",
str(source), "."],
stdout=subprocess.PIPE,
)
target_proc = executor.execute_popen(
[target_tar_cmd, "xpvf", "-", "-C", destination_path],
stdin=archive_proc.stdout,
)
# Allow archive_proc to receive a SIGPIPE if destination_proc exits.
if archive_proc.stdout:
archive_proc.stdout.close()
# Waot until done.
target_proc.communicate()