qos basic scenario

Adding a basic test to check enforcement of QoS policy with
bandwidth limit rule QoS

Spec:
http://specs.openstack.org/openstack/neutron-specs/specs/liberty/qos-api-extension.html

Change-Id: Ifb319aefeee27b3e5f1bbe16ebb99bf73f4465e7
diff --git a/neutron/tests/tempest/scenario/base.py b/neutron/tests/tempest/scenario/base.py
index cf7686f..8c45f4b 100644
--- a/neutron/tests/tempest/scenario/base.py
+++ b/neutron/tests/tempest/scenario/base.py
@@ -66,7 +66,7 @@
         return body['keypair']
 
     @classmethod
-    def create_loginable_secgroup_rule(cls, secgroup_id=None):
+    def create_secgroup_rules(cls, rule_list, secgroup_id=None):
         client = cls.manager.network_client
         if not secgroup_id:
             sgs = client.list_security_groups()['security_groups']
@@ -75,18 +75,29 @@
                     secgroup_id = sg['id']
                     break
 
-        # This rule is intended to permit inbound ssh
-        # traffic from all sources, so no group_id is provided.
-        # Setting a group_id would only permit traffic from ports
-        # belonging to the same security group.
-        ruleset = {'protocol': 'tcp',
-                   'port_range_min': 22,
-                   'port_range_max': 22,
-                   'remote_ip_prefix': '0.0.0.0/0'}
-        rules = [client.create_security_group_rule(
-                     direction='ingress', security_group_id=secgroup_id,
-                     **ruleset)['security_group_rule']]
-        return rules
+        for rule in rule_list:
+            direction = rule.pop('direction')
+            client.create_security_group_rule(
+                direction=direction,
+                security_group_id=secgroup_id,
+                **rule)
+
+    @classmethod
+    def create_loginable_secgroup_rule(cls, secgroup_id=None):
+        """This rule is intended to permit inbound ssh
+
+        Allowing ssh traffic traffic from all sources, so no group_id is
+        provided.
+        Setting a group_id would only permit traffic from ports
+        belonging to the same security group.
+        """
+
+        rule_list = [{'protocol': 'tcp',
+                      'direction': 'ingress',
+                      'port_range_min': 22,
+                      'port_range_max': 22,
+                      'remote_ip_prefix': '0.0.0.0/0'}]
+        cls.create_secgroup_rules(rule_list, secgroup_id=secgroup_id)
 
     @classmethod
     def create_router_and_interface(cls, subnet_id):
@@ -109,3 +120,24 @@
     def check_connectivity(cls, host, ssh_user, ssh_key=None):
         ssh_client = ssh.Client(host, ssh_user, pkey=ssh_key)
         ssh_client.test_connection_auth()
+
+    @classmethod
+    def setup_network_and_server(cls):
+        cls.network = cls.create_network()
+        cls.subnet = cls.create_subnet(cls.network)
+
+        cls.create_router_and_interface(cls.subnet['id'])
+        cls.keypair = cls.create_keypair()
+        cls.create_loginable_secgroup_rule()
+        cls.server = cls.create_server(
+            flavor_ref=CONF.compute.flavor_ref,
+            image_ref=CONF.compute.image_ref,
+            key_name=cls.keypair['name'],
+            networks=[{'uuid': cls.network['id']}])
+        waiters.wait_for_server_status(cls.manager.servers_client,
+                                       cls.server['server']['id'],
+                                       constants.SERVER_STATUS_ACTIVE)
+        port = cls.client.list_ports(network_id=cls.network['id'],
+                                     device_id=cls.server[
+                                          'server']['id'])['ports'][0]
+        cls.fip = cls.create_and_associate_floatingip(port['id'])