Refactoring structure of rally/verification

Removing the verifiers directory to make the code more readable and reduce
unnecessary complexity

Change-Id: I2f1c4b7fe3ce9372b6d422c1d3c00e8128f59865

rally/verification/tempest/compare2html.py

@@ -0,0 +1,41 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+"""Output verification comparison results in html."""
+
+import os
+
+import mako.template
+
+__description__ = "List differences between two verification runs"
+__title__ = "Verification Comparison"
+__version__ = "0.1"
+
+
+def create_report(results):
+    template_kw = {
+        "heading": {
+            "title": __title__,
+            "description": __description__,
+            "parameters": [("Difference Count", len(results))]
+        },
+        "generator": "compare2html %s" % __version__,
+        "results": results
+    }
+
+    template_path = os.path.join(os.path.dirname(__file__),
+                                 "report_templates",
+                                 "compare.mako")
+
+    with open(template_path) as f:
+        template = mako.template.Template(f.read(), strict_undefined=True)
+        output = template.render(**template_kw)
+        return output.encode('utf8')