forked from uncloud/uncloud
89 lines
2.2 KiB
Python
Executable file
89 lines
2.2 KiB
Python
Executable file
import glob
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import os
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import pathlib
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import subprocess as sp
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import time
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from uuid import uuid4
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from . import logger
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from uncloud.settings import settings
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from uncloud.shared import shared
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def sha512sum(file: str):
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"""Use sha512sum utility to compute sha512 sum of arg:file
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IF arg:file does not exists:
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raise FileNotFoundError exception
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ELSE IF sum successfully computer:
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return computed sha512 sum
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ELSE:
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return None
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"""
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if not isinstance(file, str):
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raise TypeError
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try:
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output = sp.check_output(["sha512sum", file], stderr=sp.PIPE)
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except sp.CalledProcessError as e:
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error = e.stderr.decode("utf-8")
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if "No such file or directory" in error:
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raise FileNotFoundError from None
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else:
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output = output.decode("utf-8").strip()
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output = output.split(" ")
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return output[0]
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return None
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def track_file(file, base_dir):
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file_id = uuid4()
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# Get Username
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owner = pathlib.Path(file).parts[len(pathlib.Path(base_dir).parts)]
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# Get Creation Date of File
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# Here, we are assuming that ctime is creation time
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# which is mostly not true.
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creation_date = time.ctime(os.stat(file).st_ctime)
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file_path = pathlib.Path(file).parts[-1]
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# Create Entry
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entry_key = os.path.join(
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settings["etcd"]["file_prefix"], str(file_id)
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)
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entry_value = {
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"filename": file_path,
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"owner": owner,
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"sha512sum": sha512sum(file),
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"creation_date": creation_date,
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"size": os.path.getsize(file),
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}
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logger.info("Tracking %s", file)
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shared.etcd_client.put(entry_key, entry_value, value_in_json=True)
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os.setxattr(file, "user.utracked", b"True")
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def main():
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base_dir = settings["storage"]["file_dir"]
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# Recursively Get All Files and Folder below BASE_DIR
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files = glob.glob("{}/**".format(base_dir), recursive=True)
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# Retain only Files
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files = [file for file in files if os.path.isfile(file)]
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untracked_files = []
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for file in files:
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try:
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os.getxattr(file, "user.utracked")
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except OSError:
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track_file(file, base_dir)
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untracked_files.append(file)
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if __name__ == "__main__":
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main()
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