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[Bug 1282676] Re: Error 500 when trying to set empty description with LDAP

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Adam Young <1282676@xxxxxxxxxxxxxxxxxx>
Date: Fri, 20 Nov 2015 04:00:36 -0000
Reply-to: Bug 1282676 <1282676@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
We have depreaced the LDAP project back end.  Even for identity, we are
focusing on Read-Only, and not Read Write.  Please reopen if this is
still an issue.

** Changed in: keystone
       Status: Incomplete => Won't Fix

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https://bugs.launchpad.net/bugs/1282676

Title:
  Error 500 when trying to set empty description with LDAP

Status in OpenStack Identity (keystone):
  Won't Fix

Bug description:
  When trying to update the project description with an empty string,
  Keystone answers with an error 500. I'm using Devstack set up with the
  LDAP backend (including assignment) and unfortunately, I'm not
  familiar enough with LDAP to determine if the problem might be in the
  configuration elsewhere.

  The issue is particularly noticeable when using Horizon because when
  trying to e.g. assign a user to a project, all the project-related
  fields are also updated.

  How to reproduce:
  1. Get a valid token: openstack --os-identity-api-version 3 token-create
  2. Try to update an existing project by setting the description to "":

   curl -i -X PATCH http://192.168.100.219:35357/v3/projects/2b3f7fa5eadb4ee2bef569fee399efe4 -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json" -d '{"project": {"description": ""}}'
  HTTP/1.1 500 Internal Server Error
  Vary: X-Auth-Token
  Content-Type: application/json
  Content-Length: 222
  Date: Thu, 20 Feb 2014 16:11:25 GMT

  {"error": {"message": "An unexpected error prevented the server from
  fulfilling your request. {'info': 'description: value #0 invalid per
  syntax', 'desc': 'Invalid syntax'}", "code": 500, "title": "Internal
  Server Error"}}

  
  Keystone logs:

  2014-02-20 15:55:05.121 DEBUG keystone.common.ldap.core [-] LDAP bind: dn=cn=Manager,dc=openstack,dc=org from (pid=9341) simple_bind_s /opt/stack/keystone/keystone/common/ld
  ap/core.py:555
  2014-02-20 15:55:05.125 DEBUG keystone.common.ldap.core [-] LDAP modify: dn=cn=2b3f7fa5eadb4ee2bef569fee399efe4,ou=Projects,dc=openstack,dc=org, modlist=[(0, 'description', 
  [''])] from (pid=9341) modify_s /opt/stack/keystone/keystone/common/ldap/core.py:650
  2014-02-20 15:55:05.126 DEBUG keystone.common.ldap.core [-] LDAP unbind from (pid=9341) unbind_s /opt/stack/keystone/keystone/common/ldap/core.py:559
  2014-02-20 15:55:05.126 DEBUG keystone.common.ldap.core [-] LDAP unbind from (pid=9341) unbind_s /opt/stack/keystone/keystone/common/ldap/core.py:559
  2014-02-20 15:55:05.126 ERROR keystone.common.wsgi [-] {'info': 'description: value #0 invalid per syntax', 'desc': 'Invalid syntax'}
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi Traceback (most recent call last):
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/common/wsgi.py", line 211, in __call__
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     result = method(context, **params)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/common/controller.py", line 131, in inner
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     return f(self, context, *args, **kwargs)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/assignment/controllers.py", line 414, in update_project
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     ref = self.assignment_api.update_project(project_id, project)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/notifications.py", line 73, in wrapper
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     result = f(*args, **kwargs)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/assignment/core.py", line 97, in update_project
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     ret = self.driver.update_project(tenant_id, tenant)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/assignment/backends/ldap.py", line 83, in update_project
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     return self._set_default_domain(self.project.update(tenant_id, tenant))
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/assignment/backends/ldap.py", line 488, in update
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     return super(ProjectApi, self).update(project_id, values, old_obj)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/common/ldap/core.py", line 784, in update
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     object_id, values, old_obj)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/common/ldap/core.py", line 453, in update
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     conn.modify_s(self._id_to_dn(object_id), modlist)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/opt/stack/keystone/keystone/common/ldap/core.py", line 652, in modify_s
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     return self.conn.modify_s(dn, ldap_modlist)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 357, in modify_s
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     return self.result(msgid,all=1,timeout=self.timeout)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 458, in result
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     resp_type, resp_data, resp_msgid = self.result2(msgid,all,timeout)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 462, in result2
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     resp_type, resp_data, resp_msgid, resp_ctrls = self.result3(msgid,all,timeout)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 469, in result3
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     resp_ctrl_classes=resp_ctrl_classes
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 476, in result4
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     ldap_result = self._ldap_call(self._l.result4,msgid,all,timeout,add_ctrls,add_intermediates,add_extop)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi   File "/usr/lib64/python2.7/site-packages/ldap/ldapobject.py", line 99, in _ldap_call
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi     result = func(*args,**kwargs)
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi INVALID_SYNTAX: {'info': 'description: value #0 invalid per syntax', 'desc': 'Invalid syntax'}
  2014-02-20 15:55:05.126 TRACE keystone.common.wsgi 
  2014-02-20 15:55:05.130 INFO eventlet.wsgi.server [-] 192.168.100.219 - - [20/Feb/2014 15:55:05] "PATCH /v3/projects/2b3f7fa5eadb4ee2bef569fee399efe4 HTTP/1.1" 500 370 0.173492

  slapd logs:

  53062559 conn=1235 fd=16 ACCEPT from IP=127.0.0.1:48228 (IP=0.0.0.0:389)
  53062559 conn=1235 op=0 BIND dn="cn=Manager,dc=openstack,dc=org" method=128
  53062559 conn=1235 op=0 BIND dn="cn=Manager,dc=openstack,dc=org" mech=SIMPLE ssf=0
  53062559 conn=1235 op=0 RESULT tag=97 err=0 text=
  53062559 conn=1235 op=1 SRCH base="ou=Projects,dc=openstack,dc=org" scope=1 deref=0 filter="(&(cn=2b3f7fa5eadb4ee2bef569fee399efe4)(objectClass=groupOfNames))"
  53062559 conn=1235 op=1 SRCH attr=ou enabled description businessCategory
  53062559 conn=1235 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=
  53062559 conn=1235 op=2 UNBIND
  53062559 conn=1235 fd=16 closed
  53062559 conn=1236 fd=16 ACCEPT from IP=127.0.0.1:48229 (IP=0.0.0.0:389)
  53062559 conn=1236 op=0 BIND dn="cn=Manager,dc=openstack,dc=org" method=128
  53062559 conn=1236 op=0 BIND dn="cn=Manager,dc=openstack,dc=org" mech=SIMPLE ssf=0
  53062559 conn=1236 op=0 RESULT tag=97 err=0 text=
  53062559 conn=1236 op=1 MOD dn="cn=2b3f7fa5eadb4ee2bef569fee399efe4,ou=Projects,dc=openstack,dc=org"
  53062559 conn=1236 op=1 MOD attr=description
  53062559 conn=1236 op=1 RESULT tag=103 err=21 text=description: value #0 invalid per syntax
  53062559 conn=1236 op=2 UNBIND
  53062559 conn=1236 fd=16 closed

  
  Horizon logs:

  [Thu Feb 20 15:55:04.948432 2014] [:error] [pid 11040] REQ: curl -i -X PATCH http://192.168.100.219:35357/v3/projects/2b3f7fa5eadb4ee2bef569fee399efe4 -H "User-Agent: python-keystoneclient" -H "Content-Type: application/json" -H "Forwarded: for=192.168.100.1;by=python-keystoneclient" -H "X-Auth-Token: ad8deaaaa54bfd6f0b296c47f18ff3fb" -d '{"project": {"enabled": false, "name": "demo", "description": ""}}'
  [Thu Feb 20 15:55:05.130162 2014] [:error] [pid 11040] RESP: [500] CaseInsensitiveDict({'date': 'Thu, 20 Feb 2014 15:55:05 GMT', 'vary': 'X-Auth-Token', 'content-length': '222', 'content-type': 'application/json'})
  [Thu Feb 20 15:55:05.130241 2014] [:error] [pid 11040] RESP BODY: {"error": {"message": "An unexpected error prevented the server from fulfilling your request. {'info': 'description: value #0 invalid per syntax', 'desc': 'Invalid syntax'}", "code": 500, "title": "Internal Server Error"}}

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References

[Bug 1282676] [NEW] Error 500 when trying to set empty description with LDAP
From: Julie Pichon, 2014-02-20