Pin to latest os-service-types

OpenstackSDK should always be using the latest os-service-types.

This commit bumps the lower bounds to the current latest version
(1.7.0), and adds a canary test so that the CI will fail as soon as a
new os-service-types version hits upper-constraints.

Change-Id: Ie98ec9cfd58badc2b05a2a144d1d559d7ed6553b

lower-constraints.txt

@@ -21,7 +21,7 @@ mox3==0.20.0
 munch==2.1.0
 netifaces==0.10.4
 os-client-config==1.28.0
-os-service-types==1.6.0
+os-service-types==1.7.0
 oslo.config==6.1.0
 oslotest==3.2.0
 pbr==2.0.0

openstack/tests/unit/test_utils.py

@@ -18,6 +18,7 @@ import sys
 from openstack.tests.unit import base
 
 import fixtures
+import os_service_types
 
 import openstack
 from openstack import utils
@@ -157,3 +158,13 @@ class TestMaximumSupportedMicroversion(base.TestCase):
         self.endpoint_data.min_microversion = '1.42'
         self.assertIsNone(utils.maximum_supported_microversion(self.adapter,
                                                                '1.2'))
+
+
+class TestOsServiceTypesVersion(base.TestCase):
+    def test_ost_version(self):
+        ost_version = '2019-05-01T19:53:21.498745'
+        self.assertEqual(
+            ost_version, os_service_types.ServiceTypes().version,
+            "This project must be pinned to the latest version of "
+            "os-service-types. Please bump requirements.txt and "
+            "lower-constraints.txt accordingly.")

requirements.txt

@@ -7,7 +7,7 @@ appdirs>=1.3.0 # MIT License
 requestsexceptions>=1.2.0 # Apache-2.0
 jsonpatch!=1.20,>=1.16 # BSD
 six>=1.10.0 # MIT
-os-service-types>=1.6.0 # Apache-2.0
+os-service-types>=1.7.0 # Apache-2.0
 keystoneauth1>=3.14.0 # Apache-2.0
 
 munch>=2.1.0 # MIT