zulip/scripts/lib/upgrade-zulip

57 lines
1.8 KiB
Python
Executable File

#!/usr/bin/python -u
import os
import sys
import subprocess
import logging
import shutil
import time
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..'))
from zulip_tools import DEPLOYMENTS_DIR, LOCK_DIR, FAIL, WARNING, ENDC, \
su_to_zulip
logging.basicConfig(format="%(asctime)s upgrade-zulip: %(message)s",
level=logging.INFO)
if os.getuid() != 0:
logging.error("Must be run as root.")
sys.exit(1)
if len(sys.argv) != 2:
print FAIL + "Usage: %s <tarball>" % (sys.argv[0],) + ENDC
sys.exit(1)
tarball_path = sys.argv[1]
start_time = time.time()
got_lock = False
while time.time() - start_time < 300:
try:
os.mkdir(LOCK_DIR)
got_lock = True
break
except OSError:
print WARNING + "Another deployment in progress; waiting for lock... (If no deployment is running, rmdir %s)" % (LOCK_DIR,) + ENDC
time.sleep(10)
if not got_lock:
print FAIL + "Deployment already in progress. Please run\n" \
+ " %s/current/scripts/upgrade-zulip %s\n" % (DEPLOYMENTS_DIR, tarball_path) \
+ "manually when the previous deployment finishes, or run\n" \
+ " rmdir %s\n" % (LOCK_DIR,) \
+ "if the previous deployment crashed." \
+ ENDC
sys.exit(1)
logging.info("Unpacking the tarball")
deploy_path = subprocess.check_output([os.path.realpath(os.path.join(os.path.dirname(__file__),
'unpack-zulip')),
tarball_path], preexec_fn=su_to_zulip)
deploy_path = deploy_path.strip()
os.chdir(deploy_path)
subprocess.check_call(["./scripts/lib/upgrade-zulip-stage-2", deploy_path])
logging.info("Deployment complete")
shutil.rmtree(LOCK_DIR)