get the image for heat from glance

images are updated from time to time
image name should not be hardcoded in heat template.
get it from glance the same way instance creating in
tests is done

Change-Id: I1fbd0c2465979f4efa3da437f204eddb2decba9d

vitrage_tempest_plugin/tests/common/heat_utils.py

@@ -20,7 +20,7 @@ from vitrage_tempest_plugin.tests.common.tempest_clients import TempestClients
 from vitrage_tempest_plugin.tests.utils import wait_for_status
 
 
-def create_stacks(num_stacks, nested, template_file):
+def create_stacks(num_stacks, nested, template_file, image):
     tpl_files, template = template_utils.process_template_path(
         template_file,
         object_request=http.authenticated_fetcher(TempestClients.heat()))
@@ -30,7 +30,7 @@ def create_stacks(num_stacks, nested, template_file):
         TempestClients.heat().stacks.create(stack_name=stack_name,
                                             template=template,
                                             files=tpl_files,
-                                            parameters={})
+                                            parameters={'image': image})
         wait_for_status(45,
                         _check_num_stacks,
                         num_stacks=num_stacks,

vitrage_tempest_plugin/tests/datasources/test_heat_stack.py

@@ -13,11 +13,13 @@
 # under the License.
 
 from oslo_log import log as logging
+
 from vitrage_tempest_plugin.tests import utils
 
 from vitrage_tempest_plugin.tests.api.topology.base import BaseTopologyTest
 from vitrage_tempest_plugin.tests.common.general_utils\
     import tempest_resources_dir
+from vitrage_tempest_plugin.tests.common import glance_utils
 from vitrage_tempest_plugin.tests.common import heat_utils
 
 LOG = logging.getLogger(__name__)
@@ -51,9 +53,11 @@ class TestHeatStack(BaseTopologyTest):
         This test validate correctness topology graph with heat stack module
         """
         template_file = tempest_resources_dir() + '/heat/' + tmpl_file
+        image = glance_utils.get_first_image()
         try:
             # Action
-            heat_utils.create_stacks(self.NUM_STACKS, nested, template_file)
+            heat_utils.create_stacks(self.NUM_STACKS, nested, template_file,
+                                     image['name'])
 
             # Calculate expected results
             api_graph = self.vitrage_client.topology.get(all_tenants=True)

vitrage_tempest_plugin/tests/resources/heat/heat_nested_template.yaml

@@ -3,6 +3,11 @@ heat_template_version: 2013-05-23
 description: |
   The heat template is used to demo
 
+parameters:
+  image:
+    type: string
+    default: cirros-0.3.6-x86_64-disk
+
 resources:
   rg:
     type: OS::Heat::ResourceGroup
@@ -10,3 +15,5 @@ resources:
       count: 1
       resource_def:
         type: server.yaml
+        properties:
+          image: {get_param: image}