简
Django-Oscar Web应用程序在生产和登台环境中运行，托管在虚拟环境中，使用Gunicorn作为systemd守护程序运行。
Nginx用作代理，gunicorn正常工作，默认为＆＃34; worker-class＆＃34;这是＆＃34;同步＆＃34;，但它不适合我们的情况，我需要将其更改为异步，特别是＆＃34; gevent＆＃34;，通常通过将以下参数添加到ExecStart来完成
--worker-class gevent --worker-connections 768
但工人没有开始，我收到了以下错误
[2017-08-15 08:42:35 +0000] [25425] [INFO] Starting gunicorn 19.7.1
[2017-08-15 08:42:35 +0000] [25425] [DEBUG] Arbiter booted
[2017-08-15 08:42:35 +0000] [25425] [INFO] Listening at: unix:/tmp/myapp.sock (25425)
[2017-08-15 08:42:35 +0000] [25425] [INFO] Using worker: gevent
[2017-08-15 08:42:35 +0000] [25430] [INFO] Booting worker with pid: 25430
[2017-08-15 08:42:35 +0000] [25425] [DEBUG] 1 workers
[2017-08-15 11:42:37 +0000] [25430] [ERROR] Exception in worker process
Traceback (most recent call last):
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 578, in spawn_worker
worker.init_process()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/ggevent.py", line 190, in init_process
super(GeventWorker, self).init_process()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/base.py", line 126, in init_process
self.load_wsgi()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/base.py", line 135, in load_wsgi
self.wsgi = self.app.wsgi()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
self.callable = self.load()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 65, in load
return self.load_wsgiapp()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load_wsgiapp
return util.import_app(self.app_uri)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/util.py", line 352, in import_app
__import__(module)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/myapp/myapp/wsgi.py", line 16, in <module>
application = get_wsgi_application()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/core/wsgi.py", line 14, in get_wsgi_application
django.setup()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/apps/config.py", line 198, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/myapp/main/checkout/models.py", line 5, in <module>
from main.shipping.models import ShippingPeriod
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/myapp/main/shipping/models.py", line 57, in <module>
from oscar.apps.shipping.models import * # noqa
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/apps/shipping/models.py", line 1, in <module>
from oscar.apps.shipping import abstract_models
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/apps/shipping/abstract_models.py", line 12, in <module>
Scale = loading.get_class('shipping.scales', 'Scale')
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 29, in get_class
return get_classes(module_label, [classname], module_prefix)[0]
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 100, in get_classes
local_module = _import_module(local_module_label, classnames)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 121, in _import_module
return __import__(module_label, fromlist=classnames)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
ImportError: No module named scales
[2017-08-15 11:42:37 +0000] [25430] [INFO] Worker exiting (pid: 25430)
[2017-08-15 08:42:37 +0000] [25425] [INFO] Shutting down: Master
[2017-08-15 08:42:37 +0000] [25425] [INFO] Reason: Worker failed to boot.
在阅读并尝试了许多解决方案之后，我尝试了 - 在混合中加载，并且让工作人员上升，但遗憾的是由于某种原因导致应用程序返回内部服务器错误（500）
[2017-08-15 14:44:51 +0000] [26323] [DEBUG] GET /
[2017-08-15 14:44:51 +0000] [26323] [ERROR] Error handling request /
Traceback (most recent call last):
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/async.py", line 56, in handle
self.handle_request(listener_name, req, client, addr)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/ggevent.py", line 152, in handle_request
super(GeventWorker, self).handle_request(*args)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/async.py", line 107, in handle_request
respiter = self.wsgi(environ, resp.start_response)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 170, in __call__
self.load_middleware()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 50, in load_middleware
mw_class = import_string(middleware_path)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/django/utils/module_loading.py", line 26, in import_string
module = import_module(module_path)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/myapp/oscarapi/middleware.py", line 16, in <module>
from oscarapi.basket.operations import (
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
File "/home/ubuntu/myapp/oscarapi/basket/operations.py", line 22, in <module>
Applicator = get_class('offer.applicator', 'Applicator')
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 29, in get_class
return get_classes(module_label, [classname], module_prefix)[0]
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 100, in get_classes
local_module = _import_module(local_module_label, classnames)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/oscar/core/loading.py", line 121, in _import_module
return __import__(module_label, fromlist=classnames)
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gevent/builtins.py", line 93, in __import__
result = _import(*args, **kwargs)
ImportError: No module named applicator
==> /var/log/nginx/access.log <==
10.0.52.154 - - [15/Aug/2017:11:44:51 +0000] "GET / HTTP/1.1" 500 141 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36"
有人可以指出我正确的方向:) 在此先感谢大家！
更新 我也试过了eventlet，因为gevent没有用，我得到了这个
[2017-08-16 07:19:30 +0000] [7481] [DEBUG] Current configuration:
proxy_protocol: False
worker_connections: 768
statsd_host: None
max_requests_jitter: 0
post_fork: <function post_fork at 0x7f1637e18938>
errorlog: /tmp/logging.log
enable_stdio_inheritance: False
worker_class: eventlet
ssl_version: 2
suppress_ragged_eofs: True
syslog: False
syslog_facility: user
when_ready: <function when_ready at 0x7f1637e18668>
pre_fork: <function pre_fork at 0x7f1637e187d0>
cert_reqs: 0
preload_app: False
keepalive: 2
accesslog: None
group: 1000
graceful_timeout: 30
do_handshake_on_connect: False
spew: False
workers: 3
proc_name: None
sendfile: None
pidfile: None
umask: 0
on_reload: <function on_reload at 0x7f1637e18500>
pre_exec: <function pre_exec at 0x7f1637e18ed8>
worker_tmp_dir: None
limit_request_fields: 100
pythonpath: None
on_exit: <function on_exit at 0x7f1637e1e758>
config: None
logconfig: None
check_config: False
statsd_prefix:
secure_scheme_headers: {'X-FORWARDED-PROTOCOL': 'ssl', 'X-FORWARDED-PROTO': 'https', 'X-FORWARDED-SSL': 'on'}
reload_engine: auto
proxy_allow_ips: ['127.0.0.1']
pre_request: <function pre_request at 0x7f1637e1e0c8>
post_request: <function post_request at 0x7f1637e1e1b8>
forwarded_allow_ips: ['127.0.0.1']
worker_int: <function worker_int at 0x7f1637e18c08>
raw_paste_global_conf: []
threads: 1
max_requests: 0
chdir: /home/ubuntu
daemon: False
user: 1000
limit_request_line: 4094
access_log_format: %(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"
certfile: None
on_starting: <function on_starting at 0x7f1637e18398>
post_worker_init: <function post_worker_init at 0x7f1637e18aa0>
child_exit: <function child_exit at 0x7f1637e1e320>
worker_exit: <function worker_exit at 0x7f1637e1e488>
paste: None
default_proc_name: myapp.wsgi:application
syslog_addr: udp://localhost:514
syslog_prefix: None
ciphers: TLSv1
worker_abort: <function worker_abort at 0x7f1637e18d70>
loglevel: debug
bind: ['unix:/tmp/myapp.sock']
raw_env: []
initgroups: False
capture_output: False
reload: False
limit_request_field_size: 8190
nworkers_changed: <function nworkers_changed at 0x7f1637e1e5f0>
timeout: 30
keyfile: None
ca_certs: None
tmp_upload_dir: None
backlog: 2048
logger_class: gunicorn.glogging.Logger
[2017-08-16 07:19:30 +0000] [7481] [INFO] Starting gunicorn 19.7.1
[2017-08-16 07:19:30 +0000] [7481] [DEBUG] Arbiter booted
[2017-08-16 07:19:30 +0000] [7481] [INFO] Listening at: unix:/tmp/myapp.sock (7481)
[2017-08-16 07:19:30 +0000] [7481] [INFO] Using worker: eventlet
[2017-08-16 07:19:30 +0000] [7486] [INFO] Booting worker with pid: 7486
[2017-08-16 07:19:30 +0000] [7487] [INFO] Booting worker with pid: 7487
[2017-08-16 07:19:30 +0000] [7487] [ERROR] Exception in worker process
Traceback (most recent call last):
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 578, in spawn_worker
worker.init_process()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/geventlet.py", line 102, in init_process
self.patch()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/geventlet.py", line 91, in patch
hubs.use_hub()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 70, in use_hub
mod = get_default_hub()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 38, in get_default_hub
import eventlet.hubs.epolls
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 27, in <module>
from eventlet.hubs.hub import BaseHub
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 23, in <module>
from eventlet.support import greenlets as greenlet, clear_sys_exc_info, monotonic, six
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/support/monotonic.py", line 167, in <module>
raise RuntimeError('no suitable implementation for this system')
RuntimeError: no suitable implementation for this system
[2017-08-16 07:19:30 +0000] [7486] [ERROR] Exception in worker process
Traceback (most recent call last):
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 578, in spawn_worker
worker.init_process()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/geventlet.py", line 102, in init_process
self.patch()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/gunicorn/workers/geventlet.py", line 91, in patch
hubs.use_hub()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 70, in use_hub
mod = get_default_hub()
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 38, in get_default_hub
import eventlet.hubs.epolls
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 27, in <module>
from eventlet.hubs.hub import BaseHub
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 23, in <module>
from eventlet.support import greenlets as greenlet, clear_sys_exc_info, monotonic, six
File "/home/ubuntu/.virtualenv/myapp-env/local/lib/python2.7/site-packages/eventlet/support/monotonic.py", line 167, in <module>
raise RuntimeError('no suitable implementation for this system')
RuntimeError: no suitable implementation for this system
[2017-08-16 07:19:30 +0000] [7486] [INFO] Worker exiting (pid: 7486)
[2017-08-16 07:19:30 +0000] [7487] [INFO] Worker exiting (pid: 7487)
[2017-08-16 07:19:30 +0000] [7481] [INFO] Shutting down: Master
[2017-08-16 07:19:30 +0000] [7481] [INFO] Reason: Worker failed to boot.