mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-10 09:32:06 +00:00
85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
#!/usr/bin/env python3
|
|
import subprocess
|
|
import logging
|
|
|
|
from pathlib import Path
|
|
from typing import Optional
|
|
|
|
|
|
PIGZ = Path("/usr/bin/pigz")
|
|
SUFFIX = ".zst"
|
|
|
|
|
|
def compress_file_fast(path: Path, archive_path: Path) -> None:
|
|
if archive_path.suffix == SUFFIX:
|
|
subprocess.check_call(f"zstd < {path} > {archive_path}", shell=True)
|
|
elif PIGZ.exists():
|
|
subprocess.check_call(f"pigz < {path} > {archive_path}", shell=True)
|
|
else:
|
|
subprocess.check_call(f"gzip < {path} > {archive_path}", shell=True)
|
|
|
|
|
|
def compress_fast(
|
|
path: Path, archive_path: Path, exclude: Optional[Path] = None
|
|
) -> None:
|
|
program_part = ""
|
|
if archive_path.suffix == SUFFIX:
|
|
logging.info("zstd will be used for compression")
|
|
program_part = "--use-compress-program='zstd --threads=0'"
|
|
elif PIGZ.exists():
|
|
logging.info("pigz found, will compress and decompress faster")
|
|
program_part = "--use-compress-program='pigz'"
|
|
else:
|
|
program_part = "-z"
|
|
logging.info("no pigz, compressing with default tar")
|
|
|
|
if exclude is None:
|
|
exclude_part = ""
|
|
elif isinstance(exclude, list):
|
|
exclude_part = " ".join([f"--exclude {x}" for x in exclude])
|
|
else:
|
|
exclude_part = f"--exclude {exclude}"
|
|
|
|
archive_path.parent.mkdir(parents=True, exist_ok=True)
|
|
fname = path.name
|
|
|
|
cmd = (
|
|
f"tar {program_part} {exclude_part} -cf {archive_path} -C {path.parent} {fname}"
|
|
)
|
|
logging.debug("compress_fast cmd: %s", cmd)
|
|
subprocess.check_call(cmd, shell=True)
|
|
|
|
|
|
def decompress_fast(archive_path: Path, result_path: Optional[Path] = None) -> None:
|
|
program_part = ""
|
|
if archive_path.suffix == SUFFIX:
|
|
logging.info(
|
|
"zstd will be used for decompression ('%s' -> '%s')",
|
|
archive_path,
|
|
result_path,
|
|
)
|
|
program_part = "--use-compress-program='zstd --threads=0'"
|
|
elif PIGZ.exists():
|
|
logging.info(
|
|
"pigz found, will compress and decompress faster ('%s' -> '%s')",
|
|
archive_path,
|
|
result_path,
|
|
)
|
|
program_part = "--use-compress-program='pigz'"
|
|
else:
|
|
program_part = "-z"
|
|
logging.info(
|
|
"no pigz, decompressing with default tar ('%s' -> '%s')",
|
|
archive_path,
|
|
result_path,
|
|
)
|
|
|
|
if result_path is None:
|
|
subprocess.check_call(f"tar {program_part} -xf {archive_path}", shell=True)
|
|
else:
|
|
result_path.mkdir(parents=True, exist_ok=True)
|
|
subprocess.check_call(
|
|
f"tar {program_part} -xf {archive_path} -C {result_path}",
|
|
shell=True,
|
|
)
|