2013-02-19 01:00:54 +01:00
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#!/usr/bin/env python
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2013-01-31 16:49:09 +01:00
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import os
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import sys
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import subprocess
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import pylibmc
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import traceback
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2013-03-13 19:26:51 +01:00
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import logging
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2013-04-18 22:58:32 +02:00
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import time
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2013-06-05 00:21:47 +02:00
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from humbug_tools import ENDC, WARNING, OKGREEN
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2013-03-13 19:26:51 +01:00
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logging.basicConfig(format="%(asctime)s restart-server: %(message)s",
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level=logging.INFO)
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2013-01-31 16:49:09 +01:00
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2013-04-09 21:51:16 +02:00
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os.chdir("/home/humbug/humbug-deployments/current")
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2013-01-31 16:49:09 +01:00
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2013-04-18 22:58:32 +02:00
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# Send a statsd event on restarting the server
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2013-04-19 04:08:33 +02:00
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subprocess.check_call(["python", "./manage.py", "send_stats", "incr", "events.server_restart", str(int(time.time()))])
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2013-04-18 22:58:32 +02:00
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2013-05-21 21:21:53 +02:00
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# Restart the FastCGI and related processes via supervisorctl. We
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# minimize downtime by restarting Django and Tornado separately from
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# the other worker processes.
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2013-03-13 19:26:51 +01:00
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logging.info("Killing daemons")
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2013-05-21 21:21:53 +02:00
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subprocess.check_call(["supervisorctl", "stop", "humbug-workers:*"])
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2013-05-23 00:04:00 +02:00
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subprocess.check_call(["supervisorctl", "stop", "humbug-django"])
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subprocess.check_call(["supervisorctl", "restart", "humbug-tornado"])
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subprocess.check_call(["supervisorctl", "start", "humbug-django"])
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2013-05-21 21:21:53 +02:00
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subprocess.check_call(["supervisorctl", "start", "humbug-workers:*"])
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2013-01-31 16:49:09 +01:00
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2013-03-13 19:26:51 +01:00
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logging.info("Flushing memcached")
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2013-03-04 16:54:21 +01:00
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try:
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if not pylibmc.Client(['127.0.0.1']).flush_all():
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print "%sflush_all returned False%s" % (WARNING, ENDC)
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# There doesn't seem to be a method to close a pylibmc Client object.
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except:
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print "%sCould not flush cache:%s" % (WARNING, ENDC)
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traceback.print_exc()
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2013-03-13 19:26:51 +01:00
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logging.info("Refilling memcached caches")
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2013-04-16 22:58:49 +02:00
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subprocess.check_call(["python", "./manage.py", "fill_memcached_caches"])
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2013-03-13 19:11:35 +01:00
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2013-03-13 19:26:51 +01:00
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logging.info("Done!")
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2013-01-31 16:49:09 +01:00
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print OKGREEN + "Application restarted successfully!" + ENDC
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