Replace glance delete image with shade client.

Remove get_image_id function.
Function delete_image now uses shade client.

JIRA: YARDSTICK-892

Change-Id: I6e8510dfa49aa14786ed7ac3382b85c4e699fb9e
Signed-off-by: Shobhi Jain <shobhi.jain@intel.com>
(cherry picked from commit d6c1b8b7bfd257efd5fe2df30dd450bdb2c57c7d)

5 files changed, 93 insertions, 44 deletions

diff --git a/yardstick/benchmark/scenarios/lib/delete_image.py b/yardstick/benchmark/scenarios/lib/delete_image.py
index 0e3a853e5..008f104b2 100644
--- a/yardstick/benchmark/scenarios/lib/delete_image.py
+++ b/yardstick/benchmark/scenarios/lib/delete_image.py
@@ -7,13 +7,11 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 
-from __future__ import print_function
-from __future__ import absolute_import
-
 import logging
 
 from yardstick.benchmark.scenarios import base
-import yardstick.common.openstack_utils as op_utils
+from yardstick.common import openstack_utils
+from yardstick.common import exceptions
 
 LOG = logging.getLogger(__name__)
 
@@ -26,12 +24,14 @@ class DeleteImage(base.Scenario):
     def __init__(self, scenario_cfg, context_cfg):
         self.scenario_cfg = scenario_cfg
         self.context_cfg = context_cfg
-        self.options = self.scenario_cfg['options']
+        self.options = self.scenario_cfg["options"]
 
-        self.image_name = self.options.get("image_name", "TestImage")
-        self.image_id = None
+        self.image_name_or_id = self.options["name_or_id"]
+        self.wait = self.options.get("wait", False)
+        self.timeout = self.options.get("timeout", 3600)
+        self.delete_objects = self.options.get("delete_objects", True)
 
-        self.glance_client = op_utils.get_glance_client()
+        self.shade_client = openstack_utils.get_shade_client()
 
         self.setup_done = False
 
@@ -46,16 +46,14 @@ class DeleteImage(base.Scenario):
         if not self.setup_done:
             self.setup()
 
-        self.image_id = op_utils.get_image_id(self.glance_client, self.image_name)
-        LOG.info("Deleting image: %s", self.image_name)
-        status = op_utils.delete_image(self.glance_client, self.image_id)
+        status = openstack_utils.delete_image(
+            self.shade_client, self.image_name_or_id, wait=self.wait,
+            timeout=self.timeout, delete_objects=self.delete_objects)
 
-        if status:
-            LOG.info("Delete image successful!")
-            values = [status]
-        else:
-            LOG.info("Delete image failed!")
-            values = []
+        if not status:
+            result.update({"delete_image": 0})
+            LOG.error("Delete image failed!")
+            raise exceptions.ScenarioDeleteImageError
 
-        keys = self.scenario_cfg.get('output', '').split()
-        return self._push_to_outputs(keys, values)
+        result.update({"delete_image": 1})
+        LOG.info("Delete image successful!")
diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index faa8688d8..1aeee20fe 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -274,6 +274,10 @@ class ScenarioCreateImageError(YardstickException):
     message = 'Glance Create Image Scenario failed'
 
 
+class ScenarioDeleteImageError(YardstickException):
+    message = 'Glance Delete Image Scenario failed'
+
+
 class IxNetworkClientNotConnected(YardstickException):
     message = 'IxNetwork client not connected to a TCL server'
 
diff --git a/yardstick/common/openstack_utils.py b/yardstick/common/openstack_utils.py
index 56cd4958e..666404779 100644
--- a/yardstick/common/openstack_utils.py
+++ b/yardstick/common/openstack_utils.py
@@ -709,11 +709,6 @@ def create_security_group_full(shade_client, sg_name,
 # *********************************************
 #   GLANCE
 # *********************************************
-def get_image_id(glance_client, image_name):    # pragma: no cover
-    images = glance_client.images.list()
-    return next((i.id for i in images if i.name == image_name), None)
-
-
 def create_image(shade_client, name, filename=None, container='images',
                  md5=None, sha256=None, disk_format=None,
                  container_format=None, disable_vendor_agent=True,
@@ -772,15 +767,17 @@ def create_image(shade_client, name, filename=None, container='images',
                   "Exception message: %s", op_exc.orig_message)
 
 
-def delete_image(glance_client, image_id):    # pragma: no cover
+def delete_image(shade_client, name_or_id, wait=False, timeout=3600,
+                 delete_objects=True):
     try:
-        glance_client.images.delete(image_id)
+        return shade_client.delete_image(name_or_id, wait=wait,
+                                         timeout=timeout,
+                                         delete_objects=delete_objects)
 
-    except Exception:  # pylint: disable=broad-except
-        log.exception("Error [delete_flavor(glance_client, %s)]", image_id)
+    except exc.OpenStackCloudException as op_exc:
+        log.error("Failed to delete_image(shade_client). "
+                  "Exception message: %s", op_exc.orig_message)
         return False
-    else:
-        return True
 
 
 def list_images(shade_client=None):
diff --git a/yardstick/tests/unit/benchmark/scenarios/lib/test_delete_image.py b/yardstick/tests/unit/benchmark/scenarios/lib/test_delete_image.py
index e382d46fa..8a1d6d695 100644
--- a/yardstick/tests/unit/benchmark/scenarios/lib/test_delete_image.py
+++ b/yardstick/tests/unit/benchmark/scenarios/lib/test_delete_image.py
@@ -9,21 +9,44 @@
 import unittest
 import mock
 
-from yardstick.benchmark.scenarios.lib.delete_image import DeleteImage
+from yardstick.common import openstack_utils
+from yardstick.common import exceptions
+from yardstick.benchmark.scenarios.lib import delete_image
 
 
 class DeleteImageTestCase(unittest.TestCase):
 
-    @mock.patch('yardstick.common.openstack_utils.delete_image')
-    @mock.patch('yardstick.common.openstack_utils.get_image_id')
-    @mock.patch('yardstick.common.openstack_utils.get_glance_client')
-    def test_delete_image(self, mock_get_glance_client, mock_image_id, mock_delete_image):
-        options = {
-            'image_name': 'yardstick_test_image_01'
-        }
-        args = {"options": options}
-        obj = DeleteImage(args, {})
-        obj.run({})
-        mock_delete_image.assert_called_once()
-        mock_image_id.assert_called_once()
-        mock_get_glance_client.assert_called_once()
+    def setUp(self):
+        self._mock_delete_image = mock.patch.object(
+            openstack_utils, 'delete_image')
+        self.mock_delete_image = (
+            self._mock_delete_image.start())
+        self._mock_get_shade_client = mock.patch.object(
+            openstack_utils, 'get_shade_client')
+        self.mock_get_shade_client = self._mock_get_shade_client.start()
+        self._mock_log = mock.patch.object(delete_image, 'LOG')
+        self.mock_log = self._mock_log.start()
+        self.args = {'options': {'name_or_id': 'yardstick_image'}}
+        self.result = {}
+
+        self.delimg_obj = delete_image.DeleteImage(self.args, mock.ANY)
+
+        self.addCleanup(self._stop_mock)
+
+    def _stop_mock(self):
+        self._mock_delete_image.stop()
+        self._mock_get_shade_client.stop()
+        self._mock_log.stop()
+
+    def test_run(self):
+        self.mock_delete_image.return_value = True
+        self.assertIsNone(self.delimg_obj.run(self.result))
+        self.assertEqual({'delete_image': 1}, self.result)
+        self.mock_log.info.assert_called_once_with('Delete image successful!')
+
+    def test_run_fail(self):
+        self.mock_delete_image.return_value = False
+        with self.assertRaises(exceptions.ScenarioDeleteImageError):
+            self.delimg_obj.run(self.result)
+        self.assertEqual({'delete_image': 0}, self.result)
+        self.mock_log.error.assert_called_once_with('Delete image failed!')
diff --git a/yardstick/tests/unit/common/test_openstack_utils.py b/yardstick/tests/unit/common/test_openstack_utils.py
index 9b23c65b8..c9f9129df 100644
--- a/yardstick/tests/unit/common/test_openstack_utils.py
+++ b/yardstick/tests/unit/common/test_openstack_utils.py
@@ -667,3 +667,30 @@ class CreateImageTestCase(unittest.TestCase):
                                               self.name)
         mock_logger.error.assert_called_once()
         self.assertIsNone(output)
+
+
+class DeleteImageTestCase(unittest.TestCase):
+
+    def test_delete_image(self):
+        self.mock_shade_client = mock.Mock()
+        self.mock_shade_client.delete_image.return_value = True
+        output = openstack_utils.delete_image(self.mock_shade_client,
+                                              'image_name_or_id')
+        self.assertTrue(output)
+
+    def test_delete_image_fail(self):
+        self.mock_shade_client = mock.Mock()
+        self.mock_shade_client.delete_image.return_value = False
+        output = openstack_utils.delete_image(self.mock_shade_client,
+                                              'image_name_or_id')
+        self.assertFalse(output)
+
+    @mock.patch.object(openstack_utils, 'log')
+    def test_delete_image_exception(self, mock_logger):
+        self.mock_shade_client = mock.Mock()
+        self.mock_shade_client.delete_image.side_effect = (
+            exc.OpenStackCloudException('error message'))
+        output = openstack_utils.delete_image(self.mock_shade_client,
+                                              'image_name_or_id')
+        mock_logger.error.assert_called_once()
+        self.assertFalse(output)