Add boot_runcommand_delete_custom_image scenario

Add scenario that allows to run an application installed in the image
created by the `image_command_customizer' context.

Change-Id: Icd39788614506f9dad4626277daad19de89ef45c
Implements: blueprint vm-workloads-framework

rally-jobs/rally-neutron.yaml

@@ -475,3 +475,30 @@
           tenants: 2
           users_per_tenant: 2
         network: {}
+
+  VMTasks.boot_runcommand_delete_custom_image:
+    -
+      args:
+        command:
+          remote_path: "./dd_test.sh"
+        flavor:
+          name: "m1.tiny"
+        username: "cirros"
+      runner:
+        type: "constant"
+        times: 1
+        concurrency: 1
+      context:
+        image_command_customizer:
+          command:
+            local_path: "/home/jenkins/.rally/extra/script_benchmark.sh"
+            remote_path: "./script_benchmark.sh"
+          flavor:
+            name: "m1.tiny"
+          image:
+            name: {{image_name}}
+          username: "cirros"
+        users:
+          tenants: 1
+          users_per_tenant: 1
+        network: {}

rally/plugins/openstack/scenarios/vm/vmtasks.py

@@ -179,3 +179,23 @@ class VMTasks(vm_utils.VMScenario):
                                          force_delete=force_delete)
 
         return {"data": data, "errors": err}
+
+    @types.set(image=types.ImageResourceType,
+               flavor=types.FlavorResourceType)
+    @validation.number("port", minval=1, maxval=65535, nullable=True,
+                       integer_only=True)
+    @validation.valid_command("command")
+    @validation.external_network_exists("floating_network")
+    @validation.required_services(consts.Service.NOVA, consts.Service.CINDER)
+    @validation.required_openstack(users=True)
+    @validation.required_contexts("image_command_customizer")
+    @scenario.configure(context={"cleanup": ["nova", "cinder"],
+                                 "keypair": {}, "allow_ssh": {}})
+    def boot_runcommand_delete_custom_image(self, **kwargs):
+        """Boot a server from a custom image, run a command that outputs JSON.
+
+        Example Script in rally-jobs/extra/script_benchmark.sh
+        """
+
+        return self.boot_runcommand_delete(
+            image=self.context["tenant"]["custom_image"]["id"], **kwargs)

tests/unit/plugins/openstack/scenarios/vm/test_vmtasks.py

@@ -116,3 +116,31 @@ class VMTasksTestCase(test.TestCase):
                           "foo_script", "foo_username")
         self.scenario._delete_server_with_fip.assert_called_once_with(
             "foo_server", self.ip, force_delete=False)
+
+    def test_boot_runcommand_delete_custom_image(self):
+        context = {
+            "user": {
+                "tenant_id": "tenant_id",
+                "endpoint": mock.Mock()
+            },
+            "tenant": {
+                "custom_image": {"id": "image_id"}
+            }
+        }
+        scenario = vmtasks.VMTasks(context)
+
+        scenario.boot_runcommand_delete = mock.Mock()
+
+        scenario.boot_runcommand_delete_custom_image(
+            flavor="flavor_id",
+            command={
+                "script_file": "foo_script",
+                "interpreter": "bar_interpreter"},
+            username="username")
+
+        scenario.boot_runcommand_delete.assert_called_once_with(
+            image="image_id", flavor="flavor_id", username="username",
+            command={
+                "script_file": "foo_script",
+                "interpreter": "bar_interpreter"}
+        )