Add create-suspend-resume-delete stack scenario

The patch includes create-suspend-resume-delete scenario
with samples and unit tests. The scenario allows to test the
following typical steps:
- User creates a stack in Heat
- User suspends the stack
- User resumes the stack from previous step
- User deletes the stack

Change-Id: I38a075bb57dd8311f234e4c8e1585df05d087b92

etc/rally/rally.conf.sample

@@ -150,35 +150,49 @@
 # point value)
 #glance_image_delete_poll_interval = 1.0
 
-# Time to sleep after creating a resource before polling for it status
+# Time(in sec) to sleep after creating a resource before polling for it status.
 # (floating point value)
 #heat_stack_create_prepoll_delay = 2.0
 
-# Time to wait for heat stack to be created. (floating point value)
+# Time(in sec) to wait for heat stack to be created. (floating point value)
 #heat_stack_create_timeout = 3600.0
 
-# Interval between checks when waiting for stack creation. (floating
-# point value)
+# Time interval(in sec) between checks when waiting for stack creation.
+# (floating point value)
 #heat_stack_create_poll_interval = 1.0
 
-# Time to wait for heat stack to be deleted. (floating point value)
+# Time(in sec) to wait for heat stack to be deleted. (floating point value)
 #heat_stack_delete_timeout = 3600.0
 
-# Interval between checks when waiting for stack deletion. (floating
-# point value)
+# Time interval(in sec) between checks when waiting for stack deletion.
+# (floating point value)
 #heat_stack_delete_poll_interval = 1.0
 
-# Time to sleep after updating a resource before polling for it status
+# Time(in sec) to sleep after updating a resource before polling for it status.
 # (floating point value)
 #heat_stack_update_prepoll_delay = 2.0
 
-# Time to wait for stack to be updated (floating point value)
+# Time(in sec) to wait for stack to be updated. (floating point value)
 #heat_stack_update_timeout = 3600.0
 
-# Interval between checks when waiting for stack update. (floating
-# point value)
+# Time interval(in sec) between checks when waiting for stack update.
+# (floating point value)
 #heat_stack_update_poll_interval = 1.0
 
+# Time(in sec) to wait for stack to be suspended. (floating point value)
+#heat_stack_suspend_timeout = 3600.0
+
+# Time interval(in sec) between checks when waiting for stack suspend.
+# (floating point value)
+#heat_stack_suspend_poll_interval = 1.0
+
+# Time(in sec) to wait for stack to be resumed. (floating point value)
+#heat_stack_resume_timeout = 3600.0
+
+# Time interval(in sec) between checks when waiting for stack resume.
+# (floating point value)
+#heat_stack_resume_poll_interval = 1.0
+
 # Time to sleep after start before polling for status (floating point
 # value)
 #nova_server_start_prepoll_delay = 0.0

rally-jobs/rally.yaml

@@ -623,6 +623,22 @@
         failure_rate:
           max: 0
 
+  HeatStacks.create_suspend_resume_delete_stack:
+    -
+      args:
+        template_path: "/home/jenkins/.rally/extra/random_strings.yaml.template"
+      runner:
+        type: "constant"
+        times: 6
+        concurrency: 3
+      context:
+        users:
+          tenants: 2
+          users_per_tenant: 3
+      sla:
+        failure_rate:
+          max: 0
+
   Authenticate.keystone:
     -
       runner:

samples/tasks/scenarios/heat/create-suspend-resume-delete-stack.json

@@ -0,0 +1,20 @@
+{
+    "HeatStacks.create_suspend_resume_delete_stack": [
+        {
+            "args": {
+               "template_path": "templates/random_strings.yaml.template"
+            },
+            "runner": {
+                "type": "constant",
+                "times": 10,
+                "concurrency": 2
+            },
+            "context": {
+                "users": {
+                    "tenants": 3,
+                    "users_per_tenant": 2
+                }
+            }
+        }
+    ]
+}

samples/tasks/scenarios/heat/create-suspend-resume-delete-stack.yaml

@@ -0,0 +1,13 @@
+---
+  HeatStacks.create_suspend_resume_delete_stack:
+    -
+      args:
+        template_path: "templates/random_strings.yaml.template"
+      runner:
+        type: "constant"
+        times: 10
+        concurrency: 2
+      context:
+        users:
+          tenants: 3
+          users_per_tenant: 2