ERROR (AttributeError): 'unicode' object has no attribute 'get'

[Scott Moser]

$ nova --debug list
DEBUG (extension:157) found extension EntryPoint.parse('v2token = keystoneauth1.loading._plugins.identity.v2:Token')
DEBUG (extension:157) found extension EntryPoint.parse('admin_token = keystoneauth1.loading._plugins.admin_token:AdminToken')
DEBUG (extension:157) found extension EntryPoint.parse('v3oidcauthcode = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectAuthorizationCode')
DEBUG (extension:157) found extension EntryPoint.parse('v2password = keystoneauth1.loading._plugins.identity.v2:Password')
DEBUG (extension:157) found extension EntryPoint.parse('v3password = keystoneauth1.loading._plugins.identity.v3:Password')
DEBUG (extension:157) found extension EntryPoint.parse('v3oidcpassword = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectPassword')
DEBUG (extension:157) found extension EntryPoint.parse('token = keystoneauth1.loading._plugins.identity.generic:Token')
DEBUG (extension:157) found extension EntryPoint.parse('v3token = keystoneauth1.loading._plugins.identity.v3:Token')
DEBUG (extension:157) found extension EntryPoint.parse('password = keystoneauth1.loading._plugins.identity.generic:Password')
DEBUG (session:248) REQ: curl -g -i -X GET https://iad2.dream.io:5000/v2.0 -H "Accept: application/json" -H "User-Agent: keystoneauth1/2.4.0 python-requests/2.10.0 CPython/2.7.11+"
INFO (connectionpool:790) Starting new HTTPS connection (1): iad2.dream.io
DEBUG (connectionpool:395) "GET /v2.0 HTTP/1.1" 200 340
DEBUG (session:277) RESP: [200] Date: Wed, 01 Jun 2016 15:10:50 GMT Server: Apache Vary: X-Auth-Token x-openstack-request-id: req-4bde00b2-71da-4330-8b40-7a922f1b8748 Content-Length: 340 Content-Type: application/json
RESP BODY: {"version": {"status": "stable", "updated": "2014-04-17T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v2.0+json"}], "id": "v2.0", "links": [{"href": "https://iad2.dream.io:5000/v2.0/", "rel": "self"}, {"href": "http://docs.openstack.org/", "type": "text/html", "rel": "describedby"}]}}

DEBUG (v2:63) Making authentication request to https://iad2.dream.io:5000/v2.0/tokens
DEBUG (connectionpool:395) "POST /v2.0/tokens HTTP/1.1" 200 2443
DEBUG (session:248) REQ: curl -g -i -X GET https://iad2.dream.io:8774/v2/5332521f01724d928daf57ebbde20872 -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}dd45d141aab134bc1500669a82e13733106aa2a7"
INFO (connectionpool:790) Starting new HTTPS connection (1): iad2.dream.io
DEBUG (connectionpool:395) "GET /v2/5332521f01724d928daf57ebbde20872 HTTP/1.1" 404 112
DEBUG (session:277) RESP: [404] Content-Length: 112 Content-Type: application/json; charset=UTF-8 X-Compute-Request-Id: req-256881a6-78f7-4870-9923-b5de745afa94 Date: Wed, 01 Jun 2016 15:10:51 GMT
RESP BODY: {"message": "The resource could not be found.<br /><br />\n\n\n", "code": "404 Not Found", "title": "Not Found"}

DEBUG (shell:1082) 'unicode' object has no attribute 'get'
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/novaclient/shell.py", line 1080, in main
    OpenStackComputeShell().main(argv)
  File "/usr/lib/python2.7/dist-packages/novaclient/shell.py", line 914, in main
    api_version = api_versions.discover_version(self.cs, api_version)
  File "/usr/lib/python2.7/dist-packages/novaclient/api_versions.py", line 267, in discover_version
    client)
  File "/usr/lib/python2.7/dist-packages/novaclient/api_versions.py", line 248, in _get_server_version_range
    version = client.versions.get_current()
  File "/usr/lib/python2.7/dist-packages/novaclient/v2/versions.py", line 84, in get_current
    return self._get_current()
  File "/usr/lib/python2.7/dist-packages/novaclient/v2/versions.py", line 57, in _get_current
    return self._get(url, "version")
  File "/usr/lib/python2.7/dist-packages/novaclient/base.py", line 339, in _get
    resp, body = self.api.client.get(url)
  File "/usr/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 173, in get
    return self.request(url, 'GET', **kwargs)
  File "/usr/lib/python2.7/dist-packages/novaclient/client.py", line 94, in request
    raise exceptions.from_response(resp, body, url, method)
  File "/usr/lib/python2.7/dist-packages/novaclient/exceptions.py", line 298, in from_response
    message = error.get('message')
AttributeError: 'unicode' object has no attribute 'get'
ERROR (AttributeError): 'unicode' object has no attribute 'get'

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: python-novaclient 2:3.3.1-2
ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
Uname: Linux 4.4.0-23-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu4
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Jun 1 11:08:06 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-07-23 (314 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150722.1)
PackageArchitecture: all
SourcePackage: python-novaclient
UpgradeStatus: No upgrade log present (probably fresh install)

[Scott Moser (smoser)]

See the stacktrace / debug above. The same command and environment works on trusty. Fails on xenial or yakkety.

[Scott Moser (smoser)]

fix seems to be attached.

[Scott Moser (smoser)]

Checked upstream, this was fixed in commit fa377e7fca44e81247639efebd7cae5cb377e57e.
duping this to bug 1559072 .