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[Jay Lau <liugya@xxxxxxxxxx>]

I think that this is not a valid case.

Please check your nova.conf to see if metadata was configured in
enabled_apis.

The default value of  enabled_apis is "enabled_apis =
osapi_compute,metadata", this means that metadata was enabled by
default, it will be started by nova-api.

If you remove metadata from enabled_apis, you will be able to start up
your metadata api.

Thanks.

** Changed in: nova
     Assignee: (unassigned) => Jay Lau (jay-lau-513)

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1237334

Title:
  nova-api & nova-metadata-api services are using the same port

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  Description of problem:
  The services nova-api and the nova-metadata-api are both using the same port, 8775. 
  Thus, the services are 'competing' for the port and one of them will not work. 

  Version-Release number of selected component (if applicable):

  Red Hat Enterprise Linux Server release 6.5 Beta (Santiago)

  python-novaclient-2.15.0-1.el6ost.noarch
  python-nova-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-network-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-common-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-console-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-compute-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-conductor-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-novncproxy-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-scheduler-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-api-2013.2-0.24.rc1.el6ost.noarch
  openstack-nova-cert-2013.2-0.24.rc1.el6ost.noarch

  How reproducible:
  everytime

  Steps to Reproduce:
  1. Install Havana on RHEL 6.5 AIO installation. 
  2. 
  3.

  Actual results:
  Either the openstack-nova-api or the openstack-nova-metadata-api service is down.

  Expected results:
  Both services are up and running.

  Additional info:
  The error from /var/log/nova/metadata-api.log:

  2013-10-09 10:54:21.975 4776 INFO nova.network.driver [-] Loading network driver 'nova.network.linux_net'
  2013-10-09 10:54:22.036 4776 DEBUG nova.wsgi [-] Loading app metadata from /etc/nova/api-paste.ini load_app /usr/lib/python2.6/site-packages/nova/wsgi.py:484
  2013-10-09 10:54:22.076 4776 INFO nova.openstack.common.periodic_task [-] Skipping periodic task _periodic_update_dns because its interval is negative
  2013-10-09 10:54:22.079 4776 CRITICAL nova [-] [Errno 98] Address already in use
  2013-10-09 10:54:22.079 4776 TRACE nova Traceback (most recent call last):
  2013-10-09 10:54:22.079 4776 TRACE nova   File "/usr/bin/nova-api-metadata", line 10, in <module>
  2013-10-09 10:54:22.079 4776 TRACE nova     sys.exit(main())
  2013-10-09 10:54:22.079 4776 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/cmd/api_metadata.py", line 33, in main
  2013-10-09 10:54:22.079 4776 TRACE nova     server = service.WSGIService('metadata')
  2013-10-09 10:54:22.079 4776 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 318, in __init__
  2013-10-09 10:54:22.079 4776 TRACE nova     max_url_len=max_url_len)
  2013-10-09 10:54:22.079 4776 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/wsgi.py", line 123, in __init__
  2013-10-09 10:54:22.079 4776 TRACE nova     self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
  2013-10-09 10:54:22.079 4776 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/convenience.py", line 38, in listen
  2013-10-09 10:54:22.079 4776 TRACE nova     sock.bind(addr)
  2013-10-09 10:54:22.079 4776 TRACE nova   File "<string>", line 1, in bind
  2013-10-09 10:54:22.079 4776 TRACE nova error: [Errno 98] Address already in use
  2013-10-09 10:54:22.079 4776 TRACE nova

  The error from the nova-api log: 
  2013-10-09 11:17:04.520 6048 CRITICAL nova [-] [Errno 98] Address already in use
  2013-10-09 11:17:04.520 6048 TRACE nova Traceback (most recent call last):
  2013-10-09 11:17:04.520 6048 TRACE nova   File "/usr/bin/nova-api", line 10, in <module>
  2013-10-09 11:17:04.520 6048 TRACE nova     sys.exit(main())
  2013-10-09 11:17:04.520 6048 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/cmd/api.py", line 51, in main
  2013-10-09 11:17:04.520 6048 TRACE nova     server = service.WSGIService(api, use_ssl=should_use_ssl)
  2013-10-09 11:17:04.520 6048 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/service.py", line 318, in __init__
  2013-10-09 11:17:04.520 6048 TRACE nova     max_url_len=max_url_len)
  2013-10-09 11:17:04.520 6048 TRACE nova   File "/usr/lib/python2.6/site-packages/nova/wsgi.py", line 124, in __init__
  2013-10-09 11:17:04.520 6048 TRACE nova     self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
  2013-10-09 11:17:04.520 6048 TRACE nova   File "/usr/lib/python2.6/site-packages/eventlet/convenience.py", line 38, in listen
  2013-10-09 11:17:04.520 6048 TRACE nova     sock.bind(addr)
  2013-10-09 11:17:04.520 6048 TRACE nova   File "<string>", line 1, in bind
  2013-10-09 11:17:04.520 6048 TRACE nova error: [Errno 98] Address already in use
  2013-10-09 11:17:04.520 6048 TRACE nova

  netstat: 
  tcp        0      0 0.0.0.0:8775                0.0.0.0:*                   LISTEN      32327/python

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