zulip/scripts/purge-old-deployments

41 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python
import sys
import os
import logging
import datetime
import shutil
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from zulip_tools import DEPLOYMENTS_DIR, TIMESTAMP_FORMAT
logging.basicConfig(format="%(asctime)s purge-deployments: %(message)s",
level=logging.INFO)
deployments_in_use = set()
for basename in ['current', 'last', 'next']:
# Note which symlinks are current
path = os.path.abspath(os.readlink(os.path.join(DEPLOYMENTS_DIR, basename)))
deployments_in_use.add(path)
one_week_ago = datetime.datetime.now() - datetime.timedelta(days=7)
to_purge = []
for filename in os.listdir(DEPLOYMENTS_DIR):
try:
date = datetime.datetime.strptime(filename, TIMESTAMP_FORMAT)
if date < one_week_ago:
if os.path.abspath(os.path.join(DEPLOYMENTS_DIR, filename)) in deployments_in_use:
# Never purge an in-use deployment
continue
to_purge.append(filename)
except ValueError:
pass
if to_purge:
to_purge.sort()
logging.info("Purging the following old deployments directories: %s" % (", ".join(to_purge),))
for filename in to_purge:
shutil.rmtree(os.path.join(DEPLOYMENTS_DIR, filename))
logging.info("Finished %s" % (filename))
else:
logging.info("No old deployment directories to purge")