Added endpoint exposing ara and python version.

Change-Id: Ic0fead79c0b87d87b990cc6c6526a44414a4546e

ara/api/tests/tests_utils.py

@@ -0,0 +1,25 @@
+#  Copyright (c) 2018 Red Hat, Inc.
+#
+#  This file is part of ARA Records Ansible.
+#
+#  ARA is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  ARA is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with ARA.  If not, see <http://www.gnu.org/licenses/>.
+
+from rest_framework.test import APITestCase
+
+
+class InfoTestCase(APITestCase):
+    def test_info_endpoint(self):
+        result = self.client.get("/api/v1/info")
+        self.assertEqual(set(result.data.keys()), set(["python_version", "ara_version"]))
+        self.assertTrue(result.data["python_version"].startswith("3."))

ara/api/urls.py

@@ -29,5 +29,6 @@ router.register("results", views.ResultViewSet, base_name="result")
 router.register("files", views.FileViewSet, base_name="file")
 router.register("records", views.RecordViewSet, base_name="record")
 router.register("stats", views.StatsViewSet, base_name="stats")
+router.register("info", views.InfoView, base_name="info")
 
 urlpatterns = router.urls

ara/api/views.py

@@ -14,12 +14,25 @@
 #
 #  You should have received a copy of the GNU General Public License
 #  along with ARA.  If not, see <http://www.gnu.org/licenses/>.
+import sys
 
+import pbr.version
 from rest_framework import viewsets
+from rest_framework.response import Response
 
 from ara.api import models, serializers
 
 
+class InfoView(viewsets.ViewSet):
+    def list(self, request):
+        return Response(
+            {
+                "python_version": ".".join(map(str, sys.version_info[:3])),
+                "ara_version": pbr.version.VersionInfo("ara-server").release_string(),
+            }
+        )
+
+
 class LabelViewSet(viewsets.ModelViewSet):
     queryset = models.Label.objects.all()
     serializer_class = serializers.LabelSerializer