diff --git a/openstack/resource.py b/openstack/resource.py
index f3d776464..a6ab26d06 100644
--- a/openstack/resource.py
+++ b/openstack/resource.py
@@ -630,6 +630,22 @@ class Resource(dict):
         # remotes or "unknown"
         return self._attributes()
 
+    def items(self):
+        # This method is critically required for Ansible "jsonify"
+        # NOTE(gtema) For some reason when running from SDK itself the native
+        # implementation of the method is absolutely sifficient, when called
+        # from Ansible - the values are often empty. Even integrating all
+        # Ansible internal methods did not help to find the root cause. Another
+        # fact is that under Py2 everything is fine, while under Py3 it fails.
+        # There is currently no direct test for Ansible-SDK issue. It is tested
+        # implicitely in the keypair role for ansible module, where an assert
+        # verifies presence of attributes.
+        res = []
+        for attr in self._attributes():
+            # Append key, value tuple to result list
+            res.append((attr, self[attr]))
+        return res
+
     def _update(self, **attrs):
         """Given attributes, update them on this instance
 
diff --git a/openstack/tests/ansible/roles/keypair/tasks/main.yml b/openstack/tests/ansible/roles/keypair/tasks/main.yml
index 53a856e2f..636bf1aca 100644
--- a/openstack/tests/ansible/roles/keypair/tasks/main.yml
+++ b/openstack/tests/ansible/roles/keypair/tasks/main.yml
@@ -4,6 +4,14 @@
      cloud: "{{ cloud }}"
      name: "{{ keypair_name }}"
      state: present
+  register:
+    keypair
+
+# This assert verifies that Ansible is capable serializing data returned by SDK
+- name: Ensure private key is returned
+  assert:
+    that:
+      - keypair.key.public_key is defined and keypair.key.public_key
 
 - name: Delete keypair (non-existing)
   os_keypair:
diff --git a/openstack/tests/unit/test_resource.py b/openstack/tests/unit/test_resource.py
index d51a2b560..d435a89ae 100644
--- a/openstack/tests/unit/test_resource.py
+++ b/openstack/tests/unit/test_resource.py
@@ -896,6 +896,24 @@ class TestResource(base.TestCase):
         actual = json.dumps(res, sort_keys=True)
         self.assertEqual(expected, actual)
 
+    def test_items(self):
+        class Test(resource.Resource):
+            foo = resource.Body('foo')
+            bar = resource.Body('bar')
+            foot = resource.Body('foot')
+
+        data = {
+            'foo': 'bar',
+            'bar': 'foo\n',
+            'foot': 'a:b:c:d'
+        }
+
+        res = Test(**data)
+        for k, v in res.items():
+            expected = data.get(k)
+            if expected:
+                self.assertEqual(v, expected)
+
     def test_access_by_aka(self):
         class Test(resource.Resource):
             foo = resource.Header('foo_remote', aka='foo_alias')
diff --git a/tox.ini b/tox.ini
index aab8ea678..5322f1012 100644
--- a/tox.ini
+++ b/tox.ini
@@ -69,7 +69,7 @@ commands =
 
 [testenv:ansible]
 # Need to pass some env vars for the Ansible playbooks
-basepython = {env:OPENSTACKSDK_TOX_PYTHON:python2}
+basepython = {env:OPENSTACKSDK_TOX_PYTHON:python3}
 passenv = HOME USER ANSIBLE_VAR_*
 deps =
     {[testenv]deps}