zulip/scripts/clean-venv-cache

52 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import datetime
import os
import subprocess
import sys
import time
if False:
from typing import Set, Text
ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(ZULIP_PATH)
from scripts.lib.zulip_tools import GENERIC_CACHE_SCRIPT_PARSER, \
get_caches_to_be_purged, get_environment, get_recent_deployments, \
purge_unused_caches
ENV = get_environment()
VENV_CACHE_DIR = '/srv/zulip-venv-cache'
if ENV == "travis":
VENV_CACHE_DIR = os.path.join(os.environ["HOME"], "zulip-venv-cache")
def parse_args():
# type: () -> argparse.Namespace
parser = argparse.ArgumentParser(description="This script cleans unused zulip venv caches.",
parents=[GENERIC_CACHE_SCRIPT_PARSER, ])
args = parser.parse_args()
return args
def get_caches_in_use(threshold_days):
# type: (int) -> Set[Text]
setups_to_check = set([ZULIP_PATH, ])
caches_in_use = set()
if ENV == "prod":
setups_to_check |= get_recent_deployments(threshold_days)
hash_reqs = os.path.join(ZULIP_PATH, 'scripts', 'lib', 'hash_reqs.py')
for path in setups_to_check:
for filename in os.listdir(os.path.join(path, "requirements")):
requirements_file = os.path.join(path, "requirements", filename)
hash_val = subprocess.check_output([hash_reqs, requirements_file]).strip()
caches_in_use.add(os.path.join(VENV_CACHE_DIR, hash_val.decode('utf-8')))
return caches_in_use
def main():
# type: () -> None
args = parse_args()
caches_in_use = get_caches_in_use(args.threshold_days)
purge_unused_caches(VENV_CACHE_DIR, caches_in_use, args.threshold_days, args.dry_run, "venv")
if __name__ == "__main__":
main()