Allow filtering BGPVPNs

BGPVPNs can be filtered server-side when being listed. The most
interesting filters here are for routers, networks and ports, as these
allow to filter for a specific association the BGPVPN has, but the other
filter options might come in handy as well.

route|import|export-target support only exact matches in the BGPVPN API,
meaning all entries need to be given in the right order as a comma
separated string. As this is quiet counter-intuitive for a user (that
might expect they could provide only one or unsorted entries) these
attributes have been left out.

Change-Id: I355b6584e115cf70a7fd040a24d30f9686555b85

openstack/network/v2/bgpvpn.py

@@ -27,6 +27,19 @@ class BgpVpn(resource.Resource):
     allow_delete = True
     allow_list = True
 
+    _query_mapping = resource.QueryParameters(
+        'name',
+        'project_id',
+        'local_pref',
+        'vni',
+        'type',
+        'networks',
+        'routers',
+        'ports',
+        # NOTE(seba): (route|import|export) targets only support exact matches
+        # and have therefore been left out
+    )
+
     # Properties
     #: The Id of the BGPVPN
     id = resource.Body('id')

openstack/tests/unit/network/v2/test_bgpvpn.py

@@ -62,6 +62,14 @@ class TestBgpVpn(base.TestCase):
             {
                 'limit': 'limit',
                 'marker': 'marker',
+                'local_pref': 'local_pref',
+                'name': 'name',
+                'networks': 'networks',
+                'routers': 'routers',
+                'ports': 'ports',
+                'project_id': 'project_id',
+                'type': 'type',
+                'vni': 'vni',
             },
             sot._query_mapping._mapping,
         )

releasenotes/notes/bgpvpn-list-filters-e76183a7008c0631.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    ``openstack.network.v2.bgpvpn.BgpVpn`` can now be filtered by its
+    associations to `networks`, `routers` and `ports. Additionally,
+    filtering for the attributes `name`, `project_id`, `local_pref`, `vni`
+    and `type` is now done on server-side.