Open Stack

Hello, I'm tinkering with keystone regions and having two endpoints for a service, I would like to choose one of them by its region. For example when running nova boot I want to choose the endpoint from "regionX"  set in keystone to be used.

I'm trying with devstack, and when running nova boot, the result is ambiguous endpoints as expected:

stack at wubuntu:/opt/stack/horizon/openstack_dashboard$ nova boot region2vm --image 2fc0af8a-3beb-438f-8816-0fa683f7db20 --flavor 1
Found more than one valid endpoint. Use a more restrictive filter

ERROR: AmbiguousEndpoints: [{u'adminURL': u'http://172.16.101.239:8774/v2/be431c86da3a4417b628fcde4fa15086', u'region': u'RegionOne', u'id': u'4bebd32c639845199028c794d30eee06', 'serviceName': u'nova', u'internalURL': u'http://172.16.101.239:8774/v2/be431c86da3a4417b628fcde4fa15086', u'publicURL': u'http://172.16.101.239:8774/v2/be431c86da3a4417b628fcde4fa15086'}, {u'adminURL': u'http://172.16.103.231:8774/v2/admin', u'region': u'RegionTwo', u'id': u'3234d759d4054067b78c456adc658c2f', 'serviceName': u'nova', u'internalURL': u'http://172.16.103.231:8774/v2/admin', u'publicURL': u'http://172.16.103.231:8774/v2/admin'}]

We can see the two endpoints for the service. But if I try to select the endpoint by region, the argument is not recognized:

stack at wubuntu:/opt/stack/horizon/openstack_dashboard$ nova boot region2vm --image 2fc0af8a-3beb-438f-8816-0fa683f7db20 --flavor 1 --os-region-name RegionTwo
usage: nova [--version] [--debug] [--os-cache] [--timings]
            [--os-username <auth-user-name>] [--os-password <auth-password>]
            [--os-tenant-name <auth-tenant-name>] [--os-auth-url <auth-url>]
            [--os-region-name <region-name>] [--os-auth-system <auth-system>]
            [--service-type <service-type>] [--service-name <service-name>]
            [--volume-service-name <volume-service-name>]
            [--endpoint-type <endpoint-type>]
            [--os-compute-api-version <compute-api-ver>] [--insecure]
            [--bypass-url <bypass-url>]
            <subcommand> ...
error: unrecognized arguments: --os-region-name RegionTwo
Try 'nova help ' for more information.


So, can I use the --os-region-name as some sort of endpoint selector?


Any help is appreciated,
Thanks in advance,

Gabriel Wainer.


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