Remove unnecessary schema check of ip address

This is to add more accurate ip version check in address
schema which will limit ip version value in [4, 6], and
to remove unnecessary schema check in testcases.

Change-Id: Ice426db172b8d697c8a5be0426fb3f7b25e548c2

releasenotes/notes/add-ip-version-check-in-addresses-x491ac6d9abaxa12.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  Add more accurate ip version check in addresses schema which will
+  limit the ip version value in [4, 6].

tempest/api/compute/servers/test_server_addresses.py

@@ -51,9 +51,6 @@ class ServerAddressesTestJSON(base.BaseV2ComputeTest):
         self.assertNotEmpty(addresses)
         for network_addresses in addresses.values():
             self.assertNotEmpty(network_addresses)
-            for address in network_addresses:
-                self.assertTrue(address['addr'])
-                self.assertTrue(address['version'])
 
     @decorators.attr(type='smoke')
     @decorators.idempotent_id('87bbc374-5538-4f64-b673-2b0e4443cc30')

tempest/api/compute/servers/test_virtual_interfaces.py

@@ -56,11 +56,11 @@ class VirtualInterfacesTestJSON(base.BaseV2ComputeTest):
                 self.client.list_virtual_interfaces(self.server['id'])
         else:
             output = self.client.list_virtual_interfaces(self.server['id'])
-            virt_ifaces = output
-            self.assertNotEmpty(virt_ifaces['virtual_interfaces'],
+            virt_ifaces = output['virtual_interfaces']
+            self.assertNotEmpty(virt_ifaces,
                                 'Expected virtual interfaces, got 0 '
                                 'interfaces.')
-            for virt_iface in virt_ifaces['virtual_interfaces']:
+            for virt_iface in virt_ifaces:
                 mac_address = virt_iface['mac_address']
                 self.assertTrue(netaddr.valid_mac(mac_address),
                                 "Invalid mac address detected. mac address: %s"

tempest/lib/api_schema/response/compute/v2_1/parameter_types.py

@@ -65,7 +65,7 @@ addresses = {
             'items': {
                 'type': 'object',
                 'properties': {
-                    'version': {'type': 'integer'},
+                    'version': {'enum': [4, 6]},
                     'addr': {
                         'type': 'string',
                         'oneOf': [