Public bug reported: Following steps here http://docs.openstack.org/developer/keystone/extensions/federation.html I've realized of a possible bug, but I'm not sure, let me explain myself.
Step 3 of http://docs.openstack.org/developer/keystone/extensions/federation.html [pipeline:api_v3] pipeline = access_log sizelimit url_normalize token_auth admin_token_auth xml_body json_body ec2_extension s3_extension federation_extension service_v3 Ok, no problems. Restart keystone (under apache) and type keystone tenant-list command and every is fine, no problems. Now, modify again keystone-paste.ini file (by the way, on a fresh keystone installation this file is called keystone-dist-paste.ini by default) and put "federation_extenstion" at the end of the line, like: [pipeline:api_v3] pipeline = access_log sizelimit url_normalize token_auth admin_token_auth xml_body json_body ec2_extension s3_extension service_v3 federation_extension Restart keystone and when you type keystone tenant-list command, keystone raises: Internal Server Error 500 This is the log information about this error: [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] mod_wsgi (pid=24803): Target WSGI script '/var/www/cgi-bin/keystone/main' cannot be loaded as Python module. [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] mod_wsgi (pid=24803): Exception occurred processing WSGI script '/var/www/cgi-bin/keystone/main'. [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] Traceback (most recent call last): [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/var/www/cgi-bin/keystone/main", line 58, in <module> [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] name=name) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 247, in loadapp [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return loadobj(APP, uri, name=name, **kw) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 272, in loadobj [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return context.create() [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 710, in create [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return self.object_type.invoke(self) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 144, in invoke [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] **context.local_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/util.py", line 56, in fix_call [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] val = callable(*args, **kw) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/urlmap.py", line 25, in urlmap_factory [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] app = loader.get_app(app_name, global_conf=global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 350, in get_app [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] name=name, global_conf=global_conf).create() [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 362, in app_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] APP, name=name, global_conf=global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 450, in get_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] global_additions=global_additions) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 559, in _pipeline_app_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] APP, pipeline[-1], global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 408, in get_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] object_type, name=name) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 587, in find_config_section [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] self.filename)) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] LookupError: No section 'federation_extension' (prefixed by 'app' or 'application' or 'composite' or 'composit' or 'pipeline' or 'filter-app') found in config /usr/share/keystone/keystone-dist-paste.ini My question is: Is the order of the middleware extensions really important or this is a bug? ** Affects: keystone Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to Keystone. https://bugs.launchpad.net/bugs/1363932 Title: Internal error Enabling Federation Extension Status in OpenStack Identity (Keystone): New Bug description: Following steps here http://docs.openstack.org/developer/keystone/extensions/federation.html I've realized of a possible bug, but I'm not sure, let me explain myself. Step 3 of http://docs.openstack.org/developer/keystone/extensions/federation.html [pipeline:api_v3] pipeline = access_log sizelimit url_normalize token_auth admin_token_auth xml_body json_body ec2_extension s3_extension federation_extension service_v3 Ok, no problems. Restart keystone (under apache) and type keystone tenant-list command and every is fine, no problems. Now, modify again keystone-paste.ini file (by the way, on a fresh keystone installation this file is called keystone-dist-paste.ini by default) and put "federation_extenstion" at the end of the line, like: [pipeline:api_v3] pipeline = access_log sizelimit url_normalize token_auth admin_token_auth xml_body json_body ec2_extension s3_extension service_v3 federation_extension Restart keystone and when you type keystone tenant-list command, keystone raises: Internal Server Error 500 This is the log information about this error: [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] mod_wsgi (pid=24803): Target WSGI script '/var/www/cgi-bin/keystone/main' cannot be loaded as Python module. [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] mod_wsgi (pid=24803): Exception occurred processing WSGI script '/var/www/cgi-bin/keystone/main'. [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] Traceback (most recent call last): [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/var/www/cgi-bin/keystone/main", line 58, in <module> [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] name=name) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 247, in loadapp [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return loadobj(APP, uri, name=name, **kw) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 272, in loadobj [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return context.create() [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 710, in create [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] return self.object_type.invoke(self) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 144, in invoke [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] **context.local_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/util.py", line 56, in fix_call [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] val = callable(*args, **kw) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/urlmap.py", line 25, in urlmap_factory [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] app = loader.get_app(app_name, global_conf=global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 350, in get_app [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] name=name, global_conf=global_conf).create() [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 362, in app_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] APP, name=name, global_conf=global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 450, in get_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] global_additions=global_additions) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 559, in _pipeline_app_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] APP, pipeline[-1], global_conf) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 408, in get_context [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] object_type, name=name) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 587, in find_config_section [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] self.filename)) [Mon Sep 01 11:28:56 2014] [error] [client 128.142.145.164] LookupError: No section 'federation_extension' (prefixed by 'app' or 'application' or 'composite' or 'composit' or 'pipeline' or 'filter-app') found in config /usr/share/keystone/keystone-dist-paste.ini My question is: Is the order of the middleware extensions really important or this is a bug? 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