zulip/scripts/lib/clean-venv-cache

57 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import os
import sys
if False:
from typing import Set, Text
ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(ZULIP_PATH)
from scripts.lib.hash_reqs import expand_reqs, hash_deps
from scripts.lib.zulip_tools import get_caches_to_be_purged, \
get_environment, get_recent_deployments, parse_cache_script_args, \
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 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)
if ENV == "dev":
CACHE_SYMLINK = os.path.join(os.path.dirname(ZULIP_PATH), "zulip-py3-venv")
CURRENT_CACHE = os.path.dirname(os.path.realpath(CACHE_SYMLINK))
caches_in_use.add(CURRENT_CACHE)
for path in setups_to_check:
reqs_dir = os.path.join(path, "requirements")
# If the target directory doesn't contain a requirements
# directory, skip it to avoid throwing an exception trying to
# list its requirements subdirectory.
if not os.path.exists(reqs_dir):
continue
for filename in os.listdir(reqs_dir):
requirements_file = os.path.join(reqs_dir, filename)
deps = expand_reqs(requirements_file)
hash_val = hash_deps(deps)
caches_in_use.add(os.path.join(VENV_CACHE_DIR, hash_val))
return caches_in_use
def main():
# type: () -> None
args = parse_cache_script_args("This script cleans unused zulip venv caches.")
caches_in_use = get_caches_in_use(args.threshold_days)
purge_unused_caches(
VENV_CACHE_DIR, caches_in_use, "venv cache", args)
if __name__ == "__main__":
main()