[openstack-dev] [nova][neutron]A Question about creating instance with duplication sg_name

marios@redhat.com mandreou at redhat.com
Tue Mar 11 13:33:31 UTC 2014


On 11/03/14 10:20, Xurong Yang wrote:
> It's allowed to create duplicate sg with the same name.
> so exception happens when creating instance with the duplicate sg name.

Hi Xurong - fyi there is a review open which raises this particular
point at https://review.openstack.org/#/c/79270/2 (together with
associated bug).

imo we shouldn't be using 'name' to distinguish security groups - that's
what the UUID is for,

thanks, marios

> code following:
>         ....
>         security_groups = kwargs.get('security_groups', [])
>         security_group_ids = []
> 
>         # TODO(arosen) Should optimize more to do direct query for security
>         # group if len(security_groups) == 1
>         if len(security_groups):
>             search_opts = {'tenant_id': instance['project_id']}
>             user_security_groups = neutron.list_security_groups(
>                 **search_opts).get('security_groups')
> 
>         for security_group in security_groups:
>             name_match = None
>             uuid_match = None
>             for user_security_group in user_security_groups:
>                 if user_security_group['name'] == security_group:
>                     if name_match:---------------exception happened here
>                         raise exception.NoUniqueMatch(
>                             _("Multiple security groups found matching"
>                               " '%s'. Use an ID to be more specific.") %
>                                security_group)
> 
>                     name_match = user_security_group['id']
>       ....
> 
> so it's maybe improper to create instance with the sg name parameter.
> appreciation if any response.
> 
> 
> 
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> 




More information about the OpenStack-dev mailing list