Django/mod_wsgi/postgresql_psycopg2 : can't connect authentication fails (but settings work fine under django runserver or dbshell)

Question

我正在从头开始设置的 Ubuntu 8.10 服务器上部署我的 django 站点。我对此完全陌生，所以我可能错过了很多东西，但很高兴找到了部署网站的方法。

我最后的障碍:

我在使用 postgresql 时遇到身份验证错误

[Sun Apr 19 18:44:05 2009] [error] [client 124.254.102.127] 
 mod_wsgi (pid=30304): Exception occurred processing WSGI script '/home/acacian/webapps/acacian/deploy/acacian.wsgi'.
 Traceback (most recent call last):
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/core/handlers/wsgi.py", line 241, in __call__
     response = self.get_response(request)
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/core/handlers/base.py", line 73, in get_response
     response = middleware_method(request)
   File "/home/acacian/webapps/pinax-env/src/django-openid/django_openid/consumer.py", line 383, in process_request
     if self.session_key in request.session:
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/contrib/sessions/backends/base.py", line 43, in __contains__
     return key in self._session
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/contrib/sessions/backends/base.py", line 172, in _get_session
     self._session_cache = self.load()
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/contrib/sessions/backends/db.py", line 16, in load
     expire_date__gt=datetime.datetime.now()
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/manager.py", line 120, in get
     return self.get_query_set().get(*args, **kwargs)
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/query.py", line 269, in get
     num = len(clone)
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/query.py", line 68, in __len__
     self._result_cache = list(self.iterator())
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/query.py", line 207, in iterator
     for row in self.query.results_iter():
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/sql/query.py", line 262, in results_iter
     for rows in self.execute_sql(MULTI):
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/models/sql/query.py", line 2288, in execute_sql
     cursor = self.connection.cursor()
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/backends/__init__.py", line 81, in cursor
     cursor = self._cursor()
   File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg/django/db/backends/postgresql_psycopg2/base.py", line 98, in _cursor
     self.connection = Database.connect(**conn_params)
 OperationalError: FATAL:  Ident authentication failed for user "acacian"

注意:

• 相同的设置在 runserver 和 dbshel​​l 下工作正常
• mod_wsgi 一直在使用 sqlite3(我正在切换)

acacian.wsgi(有点乱)

# basic_project.wsgi is configured to live in projects/basic_project/deploy.

import os
import sys
import site

sys.stdout = sys.stderr

from os.path import abspath, dirname, join
from site import addsitedir

# the project path & pinax src paths
sys.path.insert(0, abspath(join(dirname(__file__), "../../")))
sys.path.insert(0, abspath(join(dirname(__file__), "../../pinax-env/src/pinax")))
sys.path.insert(0, abspath(join(dirname(__file__), "../../pinax-env/src")))


sys.path = ['/home/acacian/webapps/acacian/apps', '/home/acacian/webapps/pinax-env/src/pinax/pinax/apps', '/home/acacian/webapps/acacian', '/home/acacian/webapps/pinax-env/lib/python2.5/site-packages/setuptools-0.6c9-py2.5.egg', '/home/acacian/webapps/pinax-env/lib/python2.5/site-packages/pip-0.3.1-py2.5.egg', '/home/acacian/webapps/pinax-env/src/pinax', '/home/acacian/webapps/pinax-env/src/django-openid', '/home/acacian/webapps/pinax-env/src/atom-format', '/home/acacian/webapps/pinax-env/src/django-app-plugins', '/home/acacian/webapps/pinax-env/src/diff-match-patch', '/usr/lib/python2.5/site-packages/Django-1.0.2_final-py2.5.egg', '/usr/lib/python2.5/site-packages/pip-0.3.1-py2.5.egg', '/home/acacian/webapps/pinax-env/lib/python2.5', '/home/acacian/webapps/pinax-env/lib/python2.5/plat-linux2', '/home/acacian/webapps/pinax-env/lib/python2.5/lib-tk', '/home/acacian/webapps/pinax-env/lib/python2.5/lib-dynload', '/usr/lib/python2.5', '/usr/lib/python2.5/plat-linux2', '/usr/lib/python2.5/lib-tk', '/home/acacian/webapps/pinax-env/lib/python2.5/site-packages', '/usr/local/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages/PIL', '/var/lib/python-support/python2.5'] + sys.path


# A version of activate_this from the mod_wsgi documentation site.
ALLDIRS = ['/home/acacian/webapps/acacian/pinax-env/lib/python2.5/site-packages']

# Remember original sys.path.
prev_sys_path = list(sys.path) 

# Add each new site-packages directory.
for directory in ALLDIRS:
    site.addsitedir(directory)

# Reorder sys.path so new directories at the front.
new_sys_path = [] 
for item in list(sys.path): 
    if item not in prev_sys_path: 
        new_sys_path.append(item) 
        sys.path.remove(item) 
sys.path[:0] = new_sys_path

#print sys.path

from django.conf import settings
os.environ["DJANGO_SETTINGS_MODULE"] = "acacian.settings"

sys.path.insert(0, join(settings.PINAX_ROOT, "apps"))
sys.path.insert(0, join(settings.PROJECT_ROOT, "apps"))

from django.core.handlers.wsgi import WSGIHandler
application = WSGIHandler()

谢谢!

Answer 1

错误:

Ident authentication failed for user "acacian"

就是这个意思。

当您使用 runserver 或 dbshel​​l 时，Django 进程以您的用户标识作为进程所有者运行。

当您在 mod_wsgi 下以守护进程模式运行 Django 时，它以 WSGIDaemonProcess 指令中指定的用户身份运行。如果您在嵌入式(非守护进程)模式下运行 mod_wsgi，则用户 ID 将匹配 Apache 进程 User 指令。

因此，您需要做的是使用 createuser 将您的用户 acacian 作为用户添加到 postgresql，就像您对自己的用户名所做的那样。