Initial automated testing for os-resource-classes

Adjust tox settings for a reasonable set of job defaults.

Turn on the usual templates in .zuul.yaml

Correct small pep8 and docs issues to get tox jobs passing.

Change-Id: Id0ebeab2ec2439d52defe59096b07c3d0b7bc66d

.zuul.yaml

@@ -0,0 +1,10 @@
+- project:
+    templates:
+      - check-requirements
+      - openstack-cover-jobs
+      - openstack-python-jobs
+      - openstack-python35-jobs
+      - openstack-python36-jobs
+      - openstack-python37-jobs
+      - publish-openstack-docs-pti
+      - release-notes-jobs-python3

README.rst

@@ -12,6 +12,7 @@ A list of standardized resource classes for OpenStack.
 * Documentation: https://docs.openstack.org/os-resource-classes/latest
 * Source: https://git.openstack.org/cgit/openstack/os-resource-classes
 * Bugs: https://bugs.launchpad.net/nova
+
 --------
 
 * TODO

os_resource_classes/__init__.py

@@ -1,3 +1,14 @@
+# 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.
 """Static symbols for resources classes used by OpenStack.
 
 A resource class is a type of countable thing that exists in
@@ -47,6 +58,7 @@ ORDERED_CLASSES = [
 # Namespace used for custom resource classes
 CUSTOM_NAMESPACE = 'CUSTOM_'
 
+
 def is_custom(resource_class):
     return resource_class.startswith(CUSTOM_NAMESPACE)
 

os_resource_classes/tests/test_os_resource_classes.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # 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
@@ -26,9 +24,9 @@ from os_resource_classes.tests import base
 class TestOs_resource_classes(base.TestCase):
 
     def test_id_mapping_strings(self):
-       self.assertEqual('VCPU', rc.ORDERED_CLASSES[0])
-       self.assertEqual('DISK_GB', rc.ORDERED_CLASSES[2])
+        self.assertEqual('VCPU', rc.ORDERED_CLASSES[0])
+        self.assertEqual('DISK_GB', rc.ORDERED_CLASSES[2])
 
     def test_id_mapping_symbols(self):
-       self.assertEqual(rc.VCPU, rc.ORDERED_CLASSES[0])
-       self.assertEqual(rc.DISK_GB, rc.ORDERED_CLASSES[2])
+        self.assertEqual(rc.VCPU, rc.ORDERED_CLASSES[0])
+        self.assertEqual(rc.DISK_GB, rc.ORDERED_CLASSES[2])

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py35,py27,pep8
+envlist = py36,py27,pep8
 skipsdist = True
 
 [testenv]