zulip/tools/update-deployment

65 lines
2.0 KiB
Python
Executable File

#!/usr/bin/python -u
import os
import sys
import subprocess
import logging
from humbug_tools import DEPLOYMENTS_DIR, LOCK_DIR, TIMESTAMP_FORMAT, FAIL, WARNING, ENDC
import datetime
import shutil
import time
logging.basicConfig(format="%(asctime)s update-deployment: %(message)s",
level=logging.INFO)
if len(sys.argv) != 2:
print FAIL + "Usage: update-deployment refname" + ENDC
sys.exit(1)
refname = sys.argv[1]
subprocess.check_call(["mkdir", '-p',
DEPLOYMENTS_DIR,
'/home/humbug/logs'])
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..." + ENDC
time.sleep(10)
if not got_lock:
print FAIL + "Deployment already in progress. Please run\n" \
+ " %s/current/tools/update-deployment %s\n" % (DEPLOYMENTS_DIR, refname) \
+ "manually when the current deployment finishes." + ENDC
sys.exit(1)
timestamp = datetime.datetime.now().strftime(TIMESTAMP_FORMAT)
deploy_path = os.path.join(DEPLOYMENTS_DIR, timestamp)
logging.info("Cloning the repository")
subprocess.check_call(["git", "clone", "-q", "-b", refname,
"humbug@git.zulip.net:/srv/git/humbug.git",
deploy_path], stdout=open('/dev/null', 'w'))
os.chdir(deploy_path)
# Delete all .pyc files to avoid old module files hanging around
subprocess.check_call(["find", ".", "-name", "*.pyc", "-delete"], stdout=open('/dev/null', 'w'))
# Update static files
logging.info("Updating static files")
subprocess.check_call(["./tools/update-prod-static", "--prev-deploy",
os.path.join(DEPLOYMENTS_DIR, 'current')])
logging.info("Restarting server...")
subprocess.check_call(["./tools/restart-server"])
logging.info("Deployment complete")
shutil.rmtree(LOCK_DIR)
subprocess.check_call(["./tools/purge-deployments"])