[Bug 1819453] Re: keystone-ldap TypeError: cannot concatenate 'str' and 'NoneType' object

[Corey Bryant]

I'm not able to recreate this on stein (that is, assuming I understand
the problem correctly).

$ openstack domain list
+----------------------------------+----------------+---------+--------------------------+
| ID                               | Name           | Enabled | Description              |
+----------------------------------+----------------+---------+--------------------------+
| 36bc721906cc45378233616f4bf2eb11 | default        | True    | Created by Juju          |
| 58e8c54b7ae84efcb7221fd20009bb5a | service_domain | True    | Created by Juju          |
| 66d858a41571421eb2a745abe5a4d884 | heat           | True    | Stack projects and users |
| 7cae5f364e914965bffdf76cf08f68aa | admin_domain   | True    | Created by Juju          |
+----------------------------------+----------------+---------+--------------------------+
$ openstack user list --domain admin_domain 
+----------------------------------+----------+
| ID                               | Name     |
+----------------------------------+----------+
| 4f224c0a4f634a51a238331bcaf2e0f7 | alt_demo |
| 7d626e7ff5a74cccb9735bfcab792371 | admin    |
| e6d1b35119fc44389f639ee014be4cbc | demo     |
+----------------------------------+----------+
$ openstack user list --domain does_not_exist
No domain with a name or ID of 'does_not_exist' exists.

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https://bugs.launchpad.net/bugs/1819453

Title:
  keystone-ldap TypeError: cannot concatenate 'str' and 'NoneType'
  object

Status in OpenStack Identity (keystone):
  New
Status in keystone package in Ubuntu:
  New

Bug description:
  Proposed action:
  =============
  Key / value failed check error.
  Should check key exists and warn user of bad users / continue

  Bug presented by:
  =================
  openstack user list --domain customerdata
  cannot concatenate 'str' and 'NoneType' objects (HTTP 400) (Request-ID: req-cc0e225d-d033-4dfa-aff8-7311389d4f58) 

  Trace:
  ======
  (keystone.common.wsgi): 2019-03-11 12:30:47,154 ERROR cannot concatenate 'str' and 'NoneType' objects
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/keystone/common/wsgi.py", line 228, in __call__
      result = method(req, **params)
    File "/usr/lib/python2.7/dist-packages/keystone/common/controller.py", line 235, in wrapper
      return f(self, request, filters, **kwargs)
    File "/usr/lib/python2.7/dist-packages/keystone/identity/controllers.py", line 233, in list_users
      return UserV3.wrap_collection(request.context_dict, refs, hints=hints)
    File "/usr/lib/python2.7/dist-packages/keystone/common/controller.py", line 499, in wrap_collection
      cls.wrap_member(context, ref)
    File "/usr/lib/python2.7/dist-packages/keystone/common/controller.py", line 468, in wrap_member
      cls._add_self_referential_link(context, ref)
    File "/usr/lib/python2.7/dist-packages/keystone/common/controller.py", line 464, in _add_self_referential_link
      ref['links']['self'] = cls.base_url(context) + '/' + ref['id']
  TypeError: cannot concatenate 'str' and 'NoneType' objects

  
  Offending Data:
  ===============
  @ line 233 i put LOG.debug( pprint.pformat( refs ) )

  grep -b 2 "'id': None," /varlog/keystone/keystone.log

  {'domain_id': u'8ce102de5ac644288f61838f5e0f46e7',
    'email': u'customerdata at cusomter.com',
    'id': None,
  --
   {'domain_id': u'8ce102de5ac644288f61838f5e0f46e7',
    'email': u'customerdata at cusomter.com',
    'id': None,
  --
   {'domain_id': u'8ce102de5ac644288f61838f5e0f46e7',
    'email': u'customerdata at cusomter.com',
    'id': None,

  
  Platform:
  =========
  cat /etc/*-release
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=16.04
  DISTRIB_CODENAME=xenial
  DISTRIB_DESCRIPTION="Ubuntu 16.04.5 LTS"
  NAME="Ubuntu"
  VERSION="16.04.5 LTS (Xenial Xerus)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 16.04.5 LTS"
  VERSION_ID="16.04"
  HOME_URL="http://www.ubuntu.com/"
  SUPPORT_URL="http://help.ubuntu.com/"
  BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
  VERSION_CODENAME=xenial
  UBUNTU_CODENAME=xenial

  verions:
  ========
  dpkg --list | grep keystone
  ii  keystone                         2:11.0.3-0ubuntu1~cloud0                   all          OpenStack identity service - Daemons
  ii  python-keystone                  2:11.0.3-0ubuntu1~cloud0                   all          OpenStack identity service - Python library
  ii  python-keystoneauth1             2.18.0-0ubuntu2~cloud0                     all          authentication library for OpenStack Identity - Python 2.7
  ii  python-keystoneclient            1:3.10.0-0ubuntu1~cloud0                   all          client library for the OpenStack Keystone API - Python 2.x
  ii  python-keystonemiddleware        4.14.0-0ubuntu1.2~cloud0                   all          Middleware for OpenStack Identity (Keystone) - Python 2.x

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