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Thread: Production Deployment




Production Deployment
user name
2006-03-07 03:41:06
Hello All:

I am building a TG app and am ready to deploy my "alpha" release for 24x7 use by testers. I have installed lighttpd and all of the WSGI/scgi modules. I am running TG 0.9a1 (release). Everything seems to work great for a few hours, then the Cherrypy server seems to die, and is unresponsive, giving me 500 errors (from lighttpd).

I start the server like this: ./scgi-start.py prodcfg.py &, and do not have an actual start script in init.d yet.

Has anyone else out there had any issues like this with cherrypy behind lighttpd?

I have pasted my config files here:

=================>Here is my production config file:

sqlobject.dburi="mysql://user:passwdlocalhost/db"
# SERVER
server.environment="production"
server.log_file="server.log";
server.log_to_screen=False
server.socketPort=2000
server.logFile = '/home/david/tg-log.log'
threadPool = 5
autoreload.package="rcache"
sessionFilter.on = True
sessionFilter.storageType = 'File'
sessionFilter.storagePath = '/tmp'
sessionFilter.storageFileDir = '/tmp'
tg.allow_json = True
path("/static")
staticFilter.on = True
staticFilter.dir = absfile("rcache", "static")

=====================>here is my wsgi server start script:

#!/usr/bin/env python
import pkg_resources
pkg_resources.require("TurboGears")

import cherrypy
import turbogears
from os.path import *
import sys

from cherrypy._cpwsgi ;      import wsgiApp
from flup.server.scgi_fork  import WSGIServer
from os.path        ;        import *

if len(sys.argv) > 1:
    turbogears.update_config(configfile=sys.argv[1],
        modulename="rcache.config")
elif exists(join(dirname(__file__), "setup.py")):
    turbogears.update_config (configfile="prodcfg.py",
        modulename="rcache.config")
else:
    turbogears.update_config(configfile="prodcfg.py",
 ;       modulename="rcache.config")

from rcache.controllers import Root

cherrypy.root = Root()
cherrypy.server.start(initOnly=True, serverClass=None)
WSGIServer(application=wsgiApp).run()

===============>Here is my lighttpd config:

server.port = 81

server.modules = ( "mod_access";,
       ;           ; "mod_scgi",
           ;        "mod_accesslog",
 ;           ;       "mod_rewrite",
     ;           ;   "mod_staticfile" )

server.document-root = "/home/david/rcache/production/rcache/rcache";
server.errorlog ;     = "/tmp/lighttpd.error.log"

accesslog.filename   = "/tmp/access.log"

$HTTP["url"] !~ "^static/" {
  scgi.server = (
       ;           "/" =>
          ;          ( "127.0.0.1" =>
          ;           ; (
       ;           ;      "host" => " 127.0.0.1",
        ;           ;     "port" => 4000,
          ;           ;   "check-local" => "disable"
    ;           ;       )
       ;           ;  )
     ;           )
}

I have spent a lot of time trying to get this to run 24x7 and I must be doing something stupid here. If anyone has any pointers for me or can see an error in my config, please let me know. I have cross-posted to cherrypy-users and turbogears.

Best Regards,

David Dahl

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