zulip/scripts/lib/clean-npm-cache

61 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import os
import subprocess
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.node_cache import generate_sha1sum_node_modules
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()
NODE_MODULES_CACHE_PATH = "/srv/zulip-npm-cache"
if ENV == "travis":
NODE_MODULES_CACHE_PATH = os.path.join(os.environ["HOME"], "zulip-npm-cache")
try:
subprocess.check_output(["/home/travis/zulip-yarn/bin/yarn", '--version'])
except OSError:
print('yarn not found. Most probably we are running static-analysis and '
'hence yarn is not installed. Exiting without cleaning npm cache.')
sys.exit(0)
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":
# In dev always include the currently active cache in order
# not to break current installation in case dependencies
# are updated with bumping the provision version.
CURRENT_CACHE = os.path.dirname(os.path.realpath(os.path.join(ZULIP_PATH, "node_modules")))
caches_in_use.add(CURRENT_CACHE)
for setup_dir in setups_to_check:
PACKAGES_FILE = os.path.join(setup_dir, "package.json")
if os.path.exists(PACKAGES_FILE):
# If 'package.json' file doesn't exist then no node_modules
# cache is associated with this setup.
sha1sum = generate_sha1sum_node_modules(setup_dir=setup_dir)
caches_in_use.add(os.path.join(NODE_MODULES_CACHE_PATH, sha1sum))
return caches_in_use
def main():
# type: () -> None
args = parse_cache_script_args("This script cleans unused zulip npm caches.")
caches_in_use = get_caches_in_use(args.threshold_days)
purge_unused_caches(
NODE_MODULES_CACHE_PATH, caches_in_use, "node modules cache", args)
if __name__ == "__main__":
main()