zulip/scripts/lib/clean_emoji_cache.py

49 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import os
import sys
if False:
from typing import Set
ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(ZULIP_PATH)
from scripts.lib.zulip_tools import generate_sha1sum_emoji, \
get_caches_to_be_purged, get_environment, get_recent_deployments, \
parse_cache_script_args, purge_unused_caches
ENV = get_environment()
EMOJI_CACHE_PATH = "/srv/zulip-emoji-cache"
if ENV == "travis":
EMOJI_CACHE_PATH = os.path.join(os.environ["HOME"], "zulip-emoji-cache")
def get_caches_in_use(threshold_days):
# type: (int) -> Set[str]
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(ZULIP_PATH, "static", "generated", "emoji")
CURRENT_CACHE = os.path.dirname(os.path.realpath(CACHE_SYMLINK))
caches_in_use.add(CURRENT_CACHE)
for setup_dir in setups_to_check:
emoji_link_path = os.path.join(setup_dir, "static/generated/emoji")
if not os.path.islink(emoji_link_path):
# This happens for a deployment directory extracted from a
# tarball, which just has a copy of the emoji data, not a symlink.
continue
caches_in_use.add(os.readlink(emoji_link_path))
return caches_in_use
def main(args: argparse.Namespace) -> None:
caches_in_use = get_caches_in_use(args.threshold_days)
purge_unused_caches(
EMOJI_CACHE_PATH, caches_in_use, "emoji cache", args)
if __name__ == "__main__":
args = parse_cache_script_args("This script cleans unused zulip emoji caches.")
main(args)