Open Stack

On 05/31/2017 05:52 AM, federica fanzago wrote:
> Hello operators,
> we have a problem with the placement after the update of our cloud from 
> Mitaka to Ocata release.
> 
> We started from a mitaka cloud and we have followed these steps: updated 
> the cloud controller from Mitaka to newton, run the dbsync, updated from 
> newton to ocata adding at this step the db nova_cell0 and run again the 
> dbsync.  Then we have updated the compute directly from Mitaka to Ocata.
> 
> With the update to Ocata we have added the placement section in 
> nova.conf, configured the related endpoint and installed the package 
> openstack-nova-placement-api (placement wasn't enabled in newton)
> 
> Verifying the operation, the command nova-status upgrade check fails 
> with the error
> 
> Error:
> Traceback (most recent call last):
>    File "/usr/lib/python2.7/site-packages/nova/cmd/status.py", line 456, 
> in main
>      ret = fn(*fn_args, **fn_kwargs)
>    File "/usr/lib/python2.7/site-packages/nova/cmd/status.py", line 386, 
> in check
>      result = func(self)
>    File "/usr/lib/python2.7/site-packages/nova/cmd/status.py", line 201, 
> in _check_placement
>      versions = self._placement_get("/")
>    File "/usr/lib/python2.7/site-packages/nova/cmd/status.py", line 189, 
> in _placement_get
>      return client.get(path, endpoint_filter=ks_filter).json()
>    File "/usr/lib/python2.7/site-packages/keystoneauth1/session.py", 
> line 758, in get
>      return self.request(url, 'GET', **kwargs)
>    File "/usr/lib/python2.7/site-packages/positional/__init__.py", line 
> 101, in inner
>      return wrapped(*args, **kwargs)
>    File "/usr/lib/python2.7/site-packages/keystoneauth1/session.py", 
> line 655, in request
>      raise exceptions.from_response(resp, method, url)
> ServiceUnavailable: Service Unavailable (HTTP 503)
> 
> Do you have suggestions about how to debug the problem?

Did you ensure that you created a service entry, endpoint entry, and 
service user for Placement in Keystone?

See here:

https://ask.openstack.org/en/question/102256/how-to-configure-placement-service-for-compute-node-on-ocata/

Best,
-jay