Ensure endpoint type is used for network commands

Currently OS_ENDPOINT_TYPE and --os-interface are being ignored for
network commands. This means the public URL is always used.

Make sure that these are picked up correctly so we hit the correct
endpoint (internal/admin/etc.) for commands such as:

 $ openstack --os-interface internal network list

Closes-bug: 1592368
(cherry picked from commit 7c603e4a67)
Change-Id: Iac05204e3056e386d84d3644b5da1a2bb322bb0a

openstackclient/network/client.py

@@ -14,6 +14,7 @@
 import logging
 
 from openstack import connection
+from openstack import profile
 
 from openstackclient.common import utils
 
@@ -31,8 +32,13 @@ API_VERSIONS = {
 
 def make_client(instance):
     """Returns a network proxy"""
+    prof = profile.Profile()
+    prof.set_region(API_NAME, instance._region_name)
+    prof.set_version(API_NAME, instance._api_version[API_NAME])
+    prof.set_interface(API_NAME, instance._interface)
     conn = connection.Connection(authenticator=instance.session.auth,
-                                 verify=instance.session.verify)
+                                 verify=instance.session.verify,
+                                 profile=prof)
     LOG.debug('Connection: %s', conn)
     LOG.debug('Network client initialized using OpenStack SDK: %s',
               conn.network)