Add xml support to keypairs_client and its tests

Change-Id: I991ce5c386ce1c63610d0836b6ea05b60dfb8757
diff --git a/tempest/manager.py b/tempest/manager.py
index f5ed093..4469301 100644
--- a/tempest/manager.py
+++ b/tempest/manager.py
@@ -44,7 +44,7 @@
 ExtensionsClient = extensions_client.ExtensionsClient
 SecurityGroupsClient = security_groups_client.SecurityGroupsClient
 FloatingIPsClient = floating_ips_client.FloatingIPsClient
-KeyPairsClient = keypairs_client.KeyPairsClient
+KeyPairsClient = keypairs_client.KeyPairsClientJSON
 VolumesClient = volumes_client.VolumesClient
 ConsoleOutputsClient = console_output_client.ConsoleOutputsClient
 
diff --git a/tempest/openstack.py b/tempest/openstack.py
index 2e1ed27..e5f6404 100644
--- a/tempest/openstack.py
+++ b/tempest/openstack.py
@@ -29,15 +29,21 @@
 from tempest.services.nova.json.security_groups_client \
 import SecurityGroupsClient
 from tempest.services.nova.json.floating_ips_client import FloatingIPsClient
-from tempest.services.nova.json.keypairs_client import KeyPairsClient
+from tempest.services.nova.json.keypairs_client import KeyPairsClientJSON
 from tempest.services.nova.json.volumes_client import VolumesClient
 from tempest.services.nova.json.console_output_client \
 import ConsoleOutputsClient
+from tempest.services.nova.xml.keypairs_client import KeyPairsClientXML
 from tempest.services.nova.xml.limits_client import LimitsClientXML
 from tempest.services.nova.xml.servers_client import ServersClientXML
 
 LOG = logging.getLogger(__name__)
 
+KEYPAIRS_CLIENTS = {
+    "json": KeyPairsClientJSON,
+    "xml": KeyPairsClientXML,
+}
+
 SERVERS_CLIENTS = {
     "json": ServersClientJSON,
     "xml": ServersClientXML,
@@ -91,13 +97,13 @@
         try:
             self.servers_client = SERVERS_CLIENTS[interface](*client_args)
             self.limits_client = LIMITS_CLIENTS[interface](*client_args)
+            self.keypairs_client = KEYPAIRS_CLIENTS[interface](*client_args)
         except KeyError:
             msg = "Unsupported interface type `%s'" % interface
             raise exceptions.InvalidConfiguration(msg)
         self.flavors_client = FlavorsClient(*client_args)
         self.images_client = ImagesClient(*client_args)
         self.extensions_client = ExtensionsClient(*client_args)
-        self.keypairs_client = KeyPairsClient(*client_args)
         self.security_groups_client = SecurityGroupsClient(*client_args)
         self.floating_ips_client = FloatingIPsClient(*client_args)
         self.volumes_client = VolumesClient(*client_args)
diff --git a/tempest/services/nova/json/keypairs_client.py b/tempest/services/nova/json/keypairs_client.py
index 4e72a01..1ccc65a 100644
--- a/tempest/services/nova/json/keypairs_client.py
+++ b/tempest/services/nova/json/keypairs_client.py
@@ -2,11 +2,11 @@
 import json
 
 
-class KeyPairsClient(RestClient):
+class KeyPairsClientJSON(RestClient):
 
     def __init__(self, config, username, password, auth_url, tenant_name=None):
-        super(KeyPairsClient, self).__init__(config, username, password,
-                                             auth_url, tenant_name)
+        super(KeyPairsClientJSON, self).__init__(config, username, password,
+                                                 auth_url, tenant_name)
         self.service = self.config.compute.catalog_type
 
     def list_keypairs(self):
diff --git a/tempest/services/nova/xml/keypairs_client.py b/tempest/services/nova/xml/keypairs_client.py
new file mode 100644
index 0000000..7c05480
--- /dev/null
+++ b/tempest/services/nova/xml/keypairs_client.py
@@ -0,0 +1,69 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+#
+# Copyright 2012 IBM
+# All Rights Reserved.
+#
+#    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.
+
+
+from lxml import etree
+from tempest.common.rest_client import RestClientXML
+from tempest.services.nova.xml.common import Document
+from tempest.services.nova.xml.common import Element
+from tempest.services.nova.xml.common import Text
+from tempest.services.nova.xml.common import xml_to_json
+
+
+class KeyPairsClientXML(RestClientXML):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(KeyPairsClientXML, self).__init__(config, username, password,
+                                                auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def list_keypairs(self):
+        resp, body = self.get("os-keypairs", self.headers)
+        node = etree.fromstring(body)
+        body = [{'keypair': xml_to_json(x)} for x in node.getchildren()]
+        return resp, body
+
+    def get_keypair(self, key_name):
+        resp, body = self.get("os-keypairs/%s" % str(key_name), self.headers)
+        body = xml_to_json(etree.fromstring(body))
+        return resp, body
+
+    def create_keypair(self, name, pub_key=None):
+        doc = Document()
+
+        keypair_element = Element("keypair")
+
+        if pub_key:
+            public_key_element = Element("public_key")
+            public_key_text = Text(pub_key)
+            public_key_element.append(public_key_text)
+            keypair_element.append(public_key_element)
+
+        name_element = Element("name")
+        name_text = Text(name)
+        name_element.append(name_text)
+        keypair_element.append(name_element)
+
+        doc.append(keypair_element)
+
+        resp, body = self.post("os-keypairs",
+                               headers=self.headers, body=str(doc))
+        body = xml_to_json(etree.fromstring(body))
+        return resp, body
+
+    def delete_keypair(self, key_name):
+        return self.delete("os-keypairs/%s" % str(key_name))
diff --git a/tempest/tests/compute/test_keypairs.py b/tempest/tests/compute/test_keypairs.py
index 1c21678..33a26c9 100644
--- a/tempest/tests/compute/test_keypairs.py
+++ b/tempest/tests/compute/test_keypairs.py
@@ -20,15 +20,11 @@
 
 from tempest import exceptions
 from tempest.common.utils.data_utils import rand_name
-from tempest.tests.compute.base import BaseComputeTest
+from tempest.tests.compute.base import BaseComputeTestJSON
+from tempest.tests.compute.base import BaseComputeTestXML
 
 
-class KeyPairsTest(BaseComputeTest):
-
-    @classmethod
-    def setUpClass(cls):
-        super(KeyPairsTest, cls).setUpClass()
-        cls.client = cls.keypairs_client
+class KeyPairsTestBase(object):
 
     @attr(type='positive')
     def test_keypairs_create_list_delete(self):
@@ -220,3 +216,17 @@
             pass
         else:
             self.fail('invalid name')
+
+
+class KeyPairsTestXML(BaseComputeTestXML, KeyPairsTestBase):
+    @classmethod
+    def setUpClass(cls):
+        super(KeyPairsTestXML, cls).setUpClass()
+        cls.client = cls.keypairs_client
+
+
+class KeyPairsTestJSON(BaseComputeTestJSON, KeyPairsTestBase):
+    @classmethod
+    def setUpClass(cls):
+        super(KeyPairsTestJSON, cls).setUpClass()
+        cls.client = cls.keypairs_client