Share stack across tests

Less time is wasted on creating stacks for each separate
test.

Also, updated requirements.

Change-Id: I99c998dd7706300de5f96ea84698098655785a22

README.rst

@@ -2,10 +2,8 @@
 Tobiko
 ======
 
-To run pre-upgrade tests:
+Tempest plugin for testing upgrades
 
-    tempest run --regex pre
+* Free software: Apache license
-
+* Source: https://git.openstack.org/cgit/openstack/tobiko
-To run post-upgrade tests:
+* Bugs: https://bugs.launchpad.net/tobiko
-
-    tempest run --regex post

requirements.txt

@@ -1,7 +1,7 @@
-keystoneauth1
+keystoneauth1>=3.4.0
-oslo.config
+oslo.config>=5.2.0
-oslo.log
+oslo.log>=3.36.0
-python-heatclient
+python-heatclient>=1.10.0
-testscenarios
+testscenarios>=0.4
-testtools
+testtools>=2.2.0
-tempest
+tempest>=17.1.0

tobiko/common/clients.py

@@ -105,9 +105,6 @@ class ClientManager(object):
                 {'user_domain_name': self.get_user_domain_name(),
                  'project_domain_name': self.get_project_domain_name()})
 
-        with open('/tmp/stam', 'w+') as f:
-            f.write(str(kwargs))
-
         loader = loading.get_plugin_loader('password')
         auth = loader.load_from_options(**kwargs)
         return session.Session(auth=auth, verify=False)

tobiko/config.py

@@ -25,6 +25,9 @@ TobikoGroup = [
                help="Floating network name "),
     cfg.StrOpt('admin_username',
                help="Username to use for admin API requests."),
+    cfg.StrOpt('user_domain_name',
+               default="Default",
+               help="User domain name")
 ]
 
 tobiko_group = cfg.OptGroup(name="tobiko_plugin",

tobiko/plugin.py

@@ -11,7 +11,6 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
-
 import os
 
 from tempest import config

tobiko/tests/scenario/base.py

@@ -12,10 +12,12 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
-
 import os
 import subprocess
 
+from heatclient import exc
+
+
 from tempest.common.utils import net_utils
 from tempest.lib.common.utils import test_utils
 
@@ -35,6 +37,27 @@ class ScenarioTestsBase(base.TobikoTest):
         self.stackManager = stack.StackManager(self.clientManager,
                                                templates_dir)
 
+        try:
+            self.stackManager.get_stack("scenario")
+        except exc.HTTPNotFound:
+            self.create_stack()
+
+    def create_stack(self):
+        """Creates stack to be used by all scenario tests."""
+
+        # Defines parameters required by heat template
+        parameters = {'public_net': self.conf.network.floating_network_name,
+                      'image': self.conf.compute.image_ref,
+                      'flavor': "m1.micro"}
+
+        # creates stack and stores its ID
+        st = self.stackManager.create_stack(stack_name="scenario",
+                                            template_name="scenario.yaml",
+                                            parameters=parameters)
+        sid = st['stack']['id']
+
+        self.stackManager.wait_for_status_complete(sid, 'floating_ip')
+
     def ping_ip_address(self, ip_address, should_succeed=True,
                         ping_timeout=None, mtu=None):
 

tobiko/tests/scenario/templates/scenario.yaml

@@ -0,0 +1,85 @@
+heat_template_version: 2013-05-23
+
+description: |
+  Template to create an instance and check connectivity to it
+
+parameters:
+  flavor:
+    type: string
+  image:
+    type: string
+  subnet_cidr:
+    type: string
+    default: 190.40.2.0/24 
+  public_net:
+    type: string
+    default: public
+  private_net:
+    type: string
+    default: heat-net
+  dns_servers:
+    type: comma_delimited_list
+    default: ["8.8.8.8", "8.8.4.4"]
+
+resources:
+  sg:
+    type: OS::Neutron::SecurityGroup
+    properties:
+      name: sg
+      description: Security group to allow ICMP and SSH
+      rules:
+      - protocol: icmp
+      - protocol: tcp
+        port_range_min: 22
+        port_range_max: 22
+
+  floating_ip:
+    type: OS::Neutron::FloatingIP
+    properties:
+      floating_network: {get_param: public_net}
+
+  network:
+    type: OS::Neutron::Net
+
+  subnet:
+    type: OS::Neutron::Subnet
+    properties:
+      network: {get_resource: network}
+      ip_version: 4
+      cidr: {get_param: subnet_cidr}
+      dns_nameservers: {get_param: dns_servers}
+
+  router:
+    type: OS::Neutron::Router
+    properties:
+      external_gateway_info:
+        network: {get_param: public_net}
+
+  router_interface:
+    type: OS::Neutron::RouterInterface
+    properties:
+      router: {get_resource: router}
+      subnet: {get_resource: subnet}
+
+  wait_handle:
+    type: OS::Heat::WaitConditionHandle
+
+  server:
+    type: OS::Nova::Server
+    properties:
+      image: {get_param: image}
+      flavor: {get_param: flavor}
+      networks:
+      - subnet: {get_resource: subnet}
+      security_groups:
+      - {get_resource: sg}
+
+  server_floating_ip_assoc:
+    type: OS::Neutron::FloatingIPAssociation
+    properties:
+      floatingip_id: {get_resource: floating_ip}
+      port_id: {get_attr: [server, addresses, {get_resource: network}, 0, port]}
+
+outputs:
+  server_ip:
+    value: {get_attr: [floating_ip, floating_ip_address]}

tobiko/tests/scenario/test_floatingip.py

@@ -19,24 +19,10 @@ class FloatingIPTest(base.ScenarioTestsBase):
     """Tests server connectivity"""
 
     def test_pre_fip(self):
-        """Creates a server and checks it can reach it."""
+        """Validates connectivity to a server created by another test."""
-
-        # Defines parameters required by heat template
-        parameters = {'public_net': self.conf.network.floating_network_name,
-                      'image': self.conf.compute.image_ref,
-                      'flavor': "m1.micro"}
-
-        # creates stack and stores its ID
-        st = self.stackManager.create_stack(stack_name="fip",
-                                            template_name="fip.yaml",
-                                            parameters=parameters)
-        sid = st['stack']['id']
-
-        # Before pinging the floating IP, ensure resource is ready
-        self.stackManager.wait_for_status_complete(sid, 'floating_ip')
 
         # Get floating IP address
-        stack = self.stackManager.client.stacks.get(sid)
+        stack = self.stackManager.get_stack(stack_name="scenario")
         server_fip = stack.outputs[0]['output_value']
 
         # Check if instance is reachable
@@ -44,9 +30,10 @@ class FloatingIPTest(base.ScenarioTestsBase):
             self.fail("IP address is not reachable: %s" % server_fip)
 
     def test_post_fip(self):
-        """Validates connectivity to a server created by another test."""
+        """Validates connectivity to a server post upgrade."""
 
-        stack = self.stackManager.get_stack(stack_name="fip")
+        # Get floating IP address
+        stack = self.stackManager.get_stack(stack_name="scenario")
         server_fip = stack.outputs[0]['output_value']
 
         # Check if instance is reachable