** Changed in: openstack-ansible
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1361235
Title:
visit horizon failure because of import module failure
Status in OpenStack Dashboard (Horizon):
In Progress
Status in openstack-ansible:
Fix Released
Status in osprofiler:
In Progress
Status in python-mistralclient:
Fix Released
Status in tripleo:
Fix Released
Bug description:
1. Use TripleO to deploy both undercloud, and overcloud, and enable horizon
when building images.
2. Visit horizon portal always failure, and has below errors in
horizon_error.log
[Wed Aug 20 01:45:58.441221 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] mod_wsgi (pid=5035): Exception occurred processing WSGI
script
'/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/django.wsgi'.
[Wed Aug 20 01:45:58.441273 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] Traceback (most recent call last):
[Wed Aug 20 01:45:58.441294 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/core/handlers/wsgi.py",
line 187, in __call__
[Wed Aug 20 01:45:58.449979 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] self.load_middleware()
[Wed Aug 20 01:45:58.450000 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/core/handlers/base.py",
line 44, in load_middleware
[Wed Aug 20 01:45:58.450556 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] for middleware_path in settings.MIDDLEWARE_CLASSES:
[Wed Aug 20 01:45:58.450576 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/conf/__init__.py",
line 54, in __getattr__
[Wed Aug 20 01:45:58.454248 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] self._setup(name)
[Wed Aug 20 01:45:58.454269 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/conf/__init__.py",
line 49, in _setup
[Wed Aug 20 01:45:58.454305 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] self._wrapped = Settings(settings_module)
[Wed Aug 20 01:45:58.454319 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/conf/__init
__.py", line 128, in __init__
[Wed Aug 20 01:45:58.454338 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] mod = importlib.import_module(self.SETTINGS_MODULE)
[Wed Aug 20 01:45:58.454350 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/django/utils/importlib.py",
line 40, in import_module
[Wed Aug 20 01:45:58.462806 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] __import__(name)
[Wed Aug 20 01:45:58.462826 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../openstack_dashboard/settings.py",
line 28, in <module>
[Wed Aug 20 01:45:58.467136 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] from openstack_dashboard import exceptions
[Wed Aug 20 01:45:58.467156 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../openstack_dashboard/exceptions.py",
line 22, in <module>
[Wed Aug 20 01:45:58.467667 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] from keystoneclient import exceptions as keystoneclient
[Wed Aug 20 01:45:58.467685 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/__init__.py",
line 28, in <module>
[Wed Aug 20 01:45:58.472968 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] from keystoneclient import client
[Wed Aug 20 01:45:58.472989 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/client.py",
line 13, in <module>
[Wed Aug 20 01:45:58.473833 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] from keystoneclient import discover
[Wed Aug 20 01:45:58.473851 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/discover.py",
line 19, in <module>
[Wed Aug 20 01:45:58.474163 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] from keystoneclient import session as client_session
[Wed Aug 20 01:45:58.474182 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/session.py",
line 27, in <module>
[Wed Aug 20 01:45:58.482131 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] osprofiler_web =
importutils.try_import("osprofiler.web")
[Wed Aug 20 01:45:58.482152 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/openstack/common/importutils.py",
line 71, in try_import
[Wed Aug 20 01:45:58.482434 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] return import_module(import_str)
[Wed Aug 20 01:45:58.482452 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../keystoneclient/openstack/common/importutils.py",
line 57, in import_module
[Wed Aug 20 01:45:58.482475 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] __import__(import_str)
[Wed Aug 20 01:45:58.482495 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../osprofiler/__init__.py",
line 23, in <module>
[Wed Aug 20 01:45:58.487936 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198]
utils.import_modules_from_package("osprofiler._notifiers")
[Wed Aug 20 01:45:58.487956 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] File
"/opt/stack/venvs/openstack/lib/python2.7/site-packages/openstack_dashboard/wsgi/../../osprofiler/_utils.py",
line 172, in import_modules_from_package
[Wed Aug 20 01:45:58.488588 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] __import__(module_name)
[Wed Aug 20 01:45:58.488615 2014] [:error] [pid 5035:tid 3038755648] [remote
10.74.104.27:54198] ValueError: Empty module name
3. After troubleshooting, seems like function
import_modules_from_package at _utils.py of osprofiler has one bug
when file's path is /opt/stack/venvs/openstack/lib/python2.7/site-
packages/openstack_dashboard/wsgi/../../osprofiler/_notifier/base.py.
In this case, below line will always create new_package = ... osprofiler,
then cause the error.
new_package = ".".join(root.split(os.sep)).split("....")[1]
One possible solution is to find the first "...." from right to left,
then use that as module_name.
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