API tests for Ironic

Ironic is a baremetal provisioning service that
is intended to replace nova-baremetal-driver.

Recently it was integrated to devstack so now
it's reasonable to start testing it with tempest.

This patch adds a client for baremetal
provisioning service and some tests for the Ironic API.

Change-Id: Ifd65d6a60179e72dbfa81825f234f0ff76ebb055
diff --git a/tempest/services/baremetal/v1/client_json.py b/tempest/services/baremetal/v1/client_json.py
new file mode 100644
index 0000000..fa7cd67
--- /dev/null
+++ b/tempest/services/baremetal/v1/client_json.py
@@ -0,0 +1,28 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+#    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.
+
+import json
+
+from tempest.services.baremetal.v1 import base_v1
+
+
+class BaremetalClientJSON(base_v1.BaremetalClientV1):
+    """Tempest REST client for Ironic JSON API v1."""
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(BaremetalClientJSON, self).__init__(config, username, password,
+                                                  auth_url, tenant_name)
+
+        self.serialize = lambda obj_type, obj_body: json.dumps(obj_body)
+        self.deserialize = json.loads