Fix failing neutron port tests for Member role.

Currently, 4 tests related to neutron ports are failing:
 - get_port:binding:host_id
 - get_port:binding:profile
 - get_port:binding:vif_details
 - get_port:binding:vif_type

These tests fail because while the endpoint does not throw a 403
or 404, the response body does not contain the field in question.

Hence, this patch throws an RbacActionFailed exception when
the field is hidden, resolving the bug.

Change-Id: I02d5c22bc2672540f2f8d537edbcea8d1ba9910d
Partial-Bug: #1670553
diff --git a/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py b/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
index 093459e..b45999c 100644
--- a/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
+++ b/patrole_tempest_plugin/tests/api/network/test_ports_rbac.py
@@ -22,6 +22,7 @@
 from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 
+from patrole_tempest_plugin import rbac_exceptions
 from patrole_tempest_plugin import rbac_rule_validation
 from patrole_tempest_plugin.tests.api.network import rbac_base as base
 
@@ -34,25 +35,24 @@
     @classmethod
     def resource_setup(cls):
         super(PortsRbacTest, cls).resource_setup()
-        cls.admin_network = cls.create_network()
+        cls.network = cls.create_network()
 
         # Create a subnet by admin user
         cls.cidr = netaddr.IPNetwork(CONF.network.project_network_cidr)
 
-        cls.admin_subnet = cls.create_subnet(cls.admin_network,
-                                             cidr=cls.cidr,
-                                             mask_bits=24)
-        cls.admin_ip_range = netaddr.IPRange(
-            cls.admin_subnet['allocation_pools'][0]['start'],
-            cls.admin_subnet['allocation_pools'][0]['end'])
+        cls.subnet = cls.create_subnet(cls.network, cidr=cls.cidr,
+                                       mask_bits=24)
+        cls.ip_range = netaddr.IPRange(
+            cls.subnet['allocation_pools'][0]['start'],
+            cls.subnet['allocation_pools'][0]['end'])
 
         # Create a port by admin user
-        body = cls.ports_client.create_port(network_id=cls.admin_network['id'])
-        cls.admin_port = body['port']
-        cls.ports.append(cls.admin_port)
-        ipaddr = cls.admin_port['fixed_ips'][0]['ip_address']
-        cls.admin_port_ip_address = ipaddr
-        cls.admin_port_mac_address = cls.admin_port['mac_address']
+        body = cls.ports_client.create_port(network_id=cls.network['id'])
+        cls.port = body['port']
+        cls.ports.append(cls.port)
+        ipaddr = cls.port['fixed_ips'][0]['ip_address']
+        cls.port_ip_address = ipaddr
+        cls.port_mac_address = cls.port['mac_address']
 
     def _create_port(self, **post_body):
 
@@ -72,7 +72,7 @@
     def test_create_port(self):
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        post_body = {'network_id': self.admin_network['id']}
+        post_body = {'network_id': self.network['id']}
         self._create_port(**post_body)
 
     @rbac_rule_validation.action(service="neutron",
@@ -80,7 +80,7 @@
     @decorators.idempotent_id('a54bd6b8-a7eb-4101-bfe8-093930b0d660')
     def test_create_port_binding_host_id(self):
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:host_id': "rbac_test_host"}
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -91,12 +91,12 @@
     @decorators.idempotent_id('2551e10d-006a-413c-925a-8c6f834c09ac')
     def test_create_port_fixed_ips(self):
         # Pick an ip address within the allocation_pools range
-        ip_address = random.choice(list(self.admin_ip_range))
+        ip_address = random.choice(list(self.ip_range))
 
         fixed_ips = [{'ip_address': ip_address},
-                     {'subnet_id': self.admin_subnet['id']}]
+                     {'subnet_id': self.subnet['id']}]
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'fixed_ips': fixed_ips}
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -107,7 +107,7 @@
     @decorators.idempotent_id('aee6d0be-a7f3-452f-aefc-796b4eb9c9a8')
     def test_create_port_mac_address(self):
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'mac_address': data_utils.rand_mac_address()}
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -120,7 +120,7 @@
 
         binding_profile = {"foo": "1"}
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:profile': binding_profile}
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -132,10 +132,10 @@
     def test_create_port_allowed_address_pairs(self):
 
         # Create port with allowed address pair attribute
-        allowed_address_pairs = [{'ip_address': self.admin_port_ip_address,
-                                  'mac_address': self.admin_port_mac_address}]
+        allowed_address_pairs = [{'ip_address': self.port_ip_address,
+                                  'mac_address': self.port_mac_address}]
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'allowed_address_pairs': allowed_address_pairs}
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -147,11 +147,10 @@
     @decorators.idempotent_id('a9d41cb8-78a2-4b97-985c-44e4064416f4')
     def test_show_port(self):
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.show_port(self.admin_port['id'])
+        self.ports_client.show_port(self.port['id'])
 
     @rbac_rule_validation.action(service="neutron",
-                                 rule="get_port:binding:vif_type",
-                                 expected_error_code=404)
+                                 rule="get_port:binding:vif_type")
     @decorators.idempotent_id('125aff0b-8fed-4f8e-8410-338616594b06')
     def test_show_port_binding_vif_type(self):
 
@@ -159,12 +158,16 @@
         fields = ['binding:vif_type']
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.show_port(self.admin_port['id'],
-                                    fields=fields)
+
+        retrieved_port = self.ports_client.show_port(
+            self.port['id'], fields=fields)['port']
+
+        # Rather than throwing a 403, the field is not present, so raise exc.
+        if fields[0] not in retrieved_port:
+            raise rbac_exceptions.RbacActionFailed
 
     @rbac_rule_validation.action(service="neutron",
-                                 rule="get_port:binding:vif_details",
-                                 expected_error_code=404)
+                                 rule="get_port:binding:vif_details")
     @decorators.idempotent_id('e42bfd77-fcce-45ee-9728-3424300f0d6f')
     def test_show_port_binding_vif_details(self):
 
@@ -172,58 +175,70 @@
         fields = ['binding:vif_details']
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.show_port(self.admin_port['id'],
-                                    fields=fields)
+
+        retrieved_port = self.ports_client.show_port(
+            self.port['id'], fields=fields)['port']
+
+        # Rather than throwing a 403, the field is not present, so raise exc.
+        if fields[0] not in retrieved_port:
+            raise rbac_exceptions.RbacActionFailed
 
     @rbac_rule_validation.action(service="neutron",
-                                 rule="get_port:binding:host_id",
-                                 expected_error_code=404)
+                                 rule="get_port:binding:host_id")
     @decorators.idempotent_id('8e61bcdc-6f81-443c-833e-44410266551e')
     def test_show_port_binding_host_id(self):
 
         # Verify specific fields of a port
         fields = ['binding:host_id']
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:host_id': data_utils.rand_name('host-id')}
         port = self._create_port(**post_body)
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.show_port(port['id'],
-                                    fields=fields)
+
+        retrieved_port = self.ports_client.show_port(
+            port['id'], fields=fields)['port']
+
+        # Rather than throwing a 403, the field is not present, so raise exc.
+        if fields[0] not in retrieved_port:
+            raise rbac_exceptions.RbacActionFailed
 
     @rbac_rule_validation.action(service="neutron",
-                                 rule="get_port:binding:profile",
-                                 expected_error_code=404)
+                                 rule="get_port:binding:profile")
     @decorators.idempotent_id('d497cea9-c4ad-42e0-acc9-8d257d6b01fc')
     def test_show_port_binding_profile(self):
 
         # Verify specific fields of a port
         fields = ['binding:profile']
         binding_profile = {"foo": "1"}
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:profile': binding_profile}
         port = self._create_port(**post_body)
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.show_port(port['id'],
-                                    fields=fields)
+
+        retrieved_port = self.ports_client.show_port(
+            port['id'], fields=fields)['port']
+
+        # Rather than throwing a 403, the field is not present, so raise exc.
+        if fields[0] not in retrieved_port:
+            raise rbac_exceptions.RbacActionFailed
 
     @rbac_rule_validation.action(service="neutron",
                                  rule="update_port")
     @decorators.idempotent_id('afa80981-3c59-42fd-9531-3bcb2cd03711')
     def test_update_port(self):
 
-        port = self.create_port(self.admin_network)
+        port = self.create_port(self.network)
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
-        self.ports_client.update_port(port['id'],
-                                      admin_state_up=False)
+        self.ports_client.update_port(port['id'], admin_state_up=False)
 
     @rbac_rule_validation.action(service="neutron",
                                  rule="update_port:mac_address")
     @decorators.idempotent_id('507140c8-7b14-4d63-b627-2103691d887e')
     def test_update_port_mac_address(self):
 
-        port = self.create_port(self.admin_network)
+        port = self.create_port(self.network)
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(
             port['id'],
@@ -235,9 +250,9 @@
     def test_update_port_fixed_ips(self):
 
         # Pick an ip address within the allocation_pools range
-        ip_address = random.choice(list(self.admin_ip_range))
+        ip_address = random.choice(list(self.ip_range))
         fixed_ips = [{'ip_address': ip_address}]
-        post_body = {'network_id': self.admin_network['id']}
+        post_body = {'network_id': self.network['id']}
         port = self._create_port(**post_body)
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -249,7 +264,7 @@
     @decorators.idempotent_id('795541af-6652-4e35-9581-fd58224f7545')
     def test_update_port_security_enabled(self):
 
-        port = self.create_port(self.admin_network)
+        port = self.create_port(self.network)
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.update_port(port['id'],
                                       security_groups=[])
@@ -259,7 +274,7 @@
     @decorators.idempotent_id('24206a72-0d90-4712-918c-5c9a1ebef64d')
     def test_update_port_binding_host_id(self):
 
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:host_id': 'rbac_test_host'}
         port = self._create_port(**post_body)
 
@@ -275,7 +290,7 @@
     def test_update_port_binding_profile(self):
 
         binding_profile = {"foo": "1"}
-        post_body = {'network_id': self.admin_network['id'],
+        post_body = {'network_id': self.network['id'],
                      'binding:profile': binding_profile}
 
         port = self._create_port(**post_body)
@@ -292,11 +307,11 @@
     @decorators.idempotent_id('729c2151-bb49-4f4f-9d58-3ed8819b7582')
     def test_update_port_allowed_address_pairs(self):
 
-        ip_address = random.choice(list(self.admin_ip_range))
+        ip_address = random.choice(list(self.ip_range))
         # Update allowed address pair attribute of port
         address_pairs = [{'ip_address': ip_address,
                           'mac_address': data_utils.rand_mac_address()}]
-        post_body = {'network_id': self.admin_network['id']}
+        post_body = {'network_id': self.network['id']}
         port = self._create_port(**post_body)
 
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
@@ -309,6 +324,6 @@
     @decorators.idempotent_id('1cf8e582-bc09-46cb-b32a-82bf991ad56f')
     def test_delete_port(self):
 
-        port = self._create_port(network_id=self.admin_network['id'])
+        port = self._create_port(network_id=self.network['id'])
         self.rbac_utils.switch_role(self, switchToRbacRole=True)
         self.ports_client.delete_port(port['id'])