diff --git a/setup.cfg b/setup.cfg
index ee61788..4415063 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -35,6 +35,7 @@
 tempest.cm =
     init = tempest.cmd.init:TempestInit
     cleanup = tempest.cmd.cleanup:TempestCleanup
+    run-stress = tempest.cmd.run_stress:TempestRunStress
 oslo.config.opts =
     tempest.config = tempest.config:list_opts
 
diff --git a/tempest/api/compute/admin/test_security_groups.py b/tempest/api/compute/admin/test_security_groups.py
index b0a3086..e31129b 100644
--- a/tempest/api/compute/admin/test_security_groups.py
+++ b/tempest/api/compute/admin/test_security_groups.py
@@ -28,7 +28,7 @@
     @classmethod
     def setup_clients(cls):
         super(SecurityGroupsTestAdminJSON, cls).setup_clients()
-        cls.adm_client = cls.os_adm.security_groups_client
+        cls.adm_client = cls.os_adm.compute_security_groups_client
         cls.client = cls.security_groups_client
 
     def _delete_security_group(self, securitygroup_id, admin=True):
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 5bc0769..2321b4e 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -69,7 +69,7 @@
         cls.floating_ips_client = cls.os.compute_floating_ips_client
         cls.keypairs_client = cls.os.keypairs_client
         cls.security_group_rules_client = cls.os.security_group_rules_client
-        cls.security_groups_client = cls.os.security_groups_client
+        cls.security_groups_client = cls.os.compute_security_groups_client
         cls.quotas_client = cls.os.quotas_client
         cls.quota_classes_client = cls.os.quota_classes_client
         cls.compute_networks_client = cls.os.compute_networks_client
diff --git a/tempest/api/compute/security_groups/test_security_groups.py b/tempest/api/compute/security_groups/test_security_groups.py
index dbbeb70..ee840be 100644
--- a/tempest/api/compute/security_groups/test_security_groups.py
+++ b/tempest/api/compute/security_groups/test_security_groups.py
@@ -100,7 +100,7 @@
         server_id = server['id']
         waiters.wait_for_server_status(self.servers_client, server_id,
                                        'ACTIVE')
-        self.servers_client.add_security_group(server_id, sg['name'])
+        self.servers_client.add_security_group(server_id, name=sg['name'])
 
         # Check that we are not able to delete the security
         # group since it is in use by an active server
@@ -112,7 +112,7 @@
         self.servers_client.reboot_server(server_id, 'HARD')
         waiters.wait_for_server_status(self.servers_client, server_id,
                                        'ACTIVE')
-        self.servers_client.add_security_group(server_id, sg2['name'])
+        self.servers_client.add_security_group(server_id, name=sg2['name'])
 
         # Check that we are not able to delete the other security
         # group since it is in use by an active server
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 0754d27..45cdeaf 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -81,7 +81,7 @@
     def test_change_server_password(self):
         # The server's password should be set to the provided password
         new_password = 'Newpass1234'
-        self.client.change_password(self.server_id, new_password)
+        self.client.change_password(self.server_id, adminPass=new_password)
         waiters.wait_for_server_status(self.client, self.server_id, 'ACTIVE')
 
         if CONF.validation.run_validation:
@@ -279,9 +279,9 @@
         # create the first and the second backup
         backup1 = data_utils.rand_name('backup-1')
         resp = self.client.create_backup(self.server_id,
-                                         'daily',
-                                         2,
-                                         backup1).response
+                                         backup_type='daily',
+                                         rotation=2,
+                                         name=backup1).response
         oldest_backup_exist = True
 
         # the oldest one should be deleted automatically in this test
@@ -303,9 +303,9 @@
         backup2 = data_utils.rand_name('backup-2')
         waiters.wait_for_server_status(self.client, self.server_id, 'ACTIVE')
         resp = self.client.create_backup(self.server_id,
-                                         'daily',
-                                         2,
-                                         backup2).response
+                                         backup_type='daily',
+                                         rotation=2,
+                                         name=backup2).response
         image2_id = data_utils.parse_image_id(resp['location'])
         self.addCleanup(self.os.image_client.delete_image, image2_id)
         self.os.image_client.wait_for_image_status(image2_id, 'active')
@@ -331,9 +331,9 @@
         backup3 = data_utils.rand_name('backup-3')
         waiters.wait_for_server_status(self.client, self.server_id, 'ACTIVE')
         resp = self.client.create_backup(self.server_id,
-                                         'daily',
-                                         2,
-                                         backup3).response
+                                         backup_type='daily',
+                                         rotation=2,
+                                         name=backup3).response
         image3_id = data_utils.parse_image_id(resp['location'])
         self.addCleanup(self.os.image_client.delete_image, image3_id)
         # the first back up should be deleted
diff --git a/tempest/api/compute/servers/test_server_rescue.py b/tempest/api/compute/servers/test_server_rescue.py
index 96ce45e..1552848 100644
--- a/tempest/api/compute/servers/test_server_rescue.py
+++ b/tempest/api/compute/servers/test_server_rescue.py
@@ -116,7 +116,8 @@
         self.addCleanup(self._unrescue, self.server_id)
 
         # Add Security group
-        self.servers_client.add_security_group(self.server_id, self.sg_name)
+        self.servers_client.add_security_group(self.server_id,
+                                               name=self.sg_name)
 
         # Delete Security group
         self.servers_client.remove_security_group(self.server_id,
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index 436ed2f..1a1cc1c 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -51,13 +51,14 @@
         cls.images_client = cls.os.images_client
         cls.glance_client = cls.os.image_client
         cls.keypairs_client = cls.os.keypairs_client
-        cls.security_client = cls.os.security_groups_client
+        cls.security_client = cls.os.compute_security_groups_client
         cls.rule_client = cls.os.security_group_rules_client
 
         cls.alt_client = cls.alt_manager.servers_client
         cls.alt_images_client = cls.alt_manager.images_client
         cls.alt_keypairs_client = cls.alt_manager.keypairs_client
-        cls.alt_security_client = cls.alt_manager.security_groups_client
+        cls.alt_security_client = (
+            cls.alt_manager.compute_security_groups_client)
         cls.alt_rule_client = cls.alt_manager.security_group_rules_client
 
     @classmethod
@@ -150,7 +151,7 @@
     def test_change_password_for_alt_account_fails(self):
         # A change password request for another user's server should fail
         self.assertRaises(lib_exc.NotFound, self.alt_client.change_password,
-                          self.server['id'], 'newpass')
+                          self.server['id'], adminPass='newpass')
 
     @test.idempotent_id('14cb5ff5-f646-45ca-8f51-09081d6c0c24')
     def test_reboot_server_for_alt_account_fails(self):
diff --git a/tempest/api/image/v2/test_images_member.py b/tempest/api/image/v2/test_images_member.py
index 98ff64b..bb73318 100644
--- a/tempest/api/image/v2/test_images_member.py
+++ b/tempest/api/image/v2/test_images_member.py
@@ -19,8 +19,8 @@
     @test.idempotent_id('5934c6ea-27dc-4d6e-9421-eeb5e045494a')
     def test_image_share_accept(self):
         image_id = self._create_image()
-        member = self.os_img_client.add_image_member(image_id,
-                                                     member=self.alt_tenant_id)
+        member = self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
@@ -40,8 +40,8 @@
     @test.idempotent_id('d9e83e5f-3524-4b38-a900-22abcb26e90e')
     def test_image_share_reject(self):
         image_id = self._create_image()
-        member = self.os_img_client.add_image_member(image_id,
-                                                     member=self.alt_tenant_id)
+        member = self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
@@ -54,8 +54,8 @@
     @test.idempotent_id('a6ee18b9-4378-465e-9ad9-9a6de58a3287')
     def test_get_image_member(self):
         image_id = self._create_image()
-        self.os_img_client.add_image_member(image_id,
-                                            member=self.alt_tenant_id)
+        self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.alt_img_client.update_image_member(image_id,
                                                 self.alt_tenant_id,
                                                 status='accepted')
@@ -70,8 +70,8 @@
     @test.idempotent_id('72989bc7-2268-48ed-af22-8821e835c914')
     def test_remove_image_member(self):
         image_id = self._create_image()
-        self.os_img_client.add_image_member(image_id,
-                                            member=self.alt_tenant_id)
+        self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.alt_img_client.update_image_member(image_id,
                                                 self.alt_tenant_id,
                                                 status='accepted')
@@ -93,8 +93,8 @@
     @test.idempotent_id('cb961424-3f68-4d21-8e36-30ad66fb6bfb')
     def test_get_private_image(self):
         image_id = self._create_image()
-        member = self.os_img_client.add_image_member(image_id,
-                                                     member=self.alt_tenant_id)
+        member = self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
diff --git a/tempest/api/image/v2/test_images_member_negative.py b/tempest/api/image/v2/test_images_member_negative.py
index d5ea291..eb90719 100644
--- a/tempest/api/image/v2/test_images_member_negative.py
+++ b/tempest/api/image/v2/test_images_member_negative.py
@@ -22,8 +22,8 @@
     @test.idempotent_id('b79efb37-820d-4cf0-b54c-308b00cf842c')
     def test_image_share_invalid_status(self):
         image_id = self._create_image()
-        member = self.os_img_client.add_image_member(image_id,
-                                                     member=self.alt_tenant_id)
+        member = self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.assertEqual(member['status'], 'pending')
         self.assertRaises(lib_exc.BadRequest,
                           self.alt_img_client.update_image_member,
@@ -34,8 +34,8 @@
     @test.idempotent_id('27002f74-109e-4a37-acd0-f91cd4597967')
     def test_image_share_owner_cannot_accept(self):
         image_id = self._create_image()
-        member = self.os_img_client.add_image_member(image_id,
-                                                     member=self.alt_tenant_id)
+        member = self.os_img_client.create_image_member(
+            image_id, member=self.alt_tenant_id)
         self.assertEqual(member['status'], 'pending')
         self.assertNotIn(image_id, self._list_image_ids_as_alt())
         self.assertRaises(lib_exc.Forbidden,
diff --git a/tempest/api/volume/admin/test_volume_services.py b/tempest/api/volume/admin/test_volume_services.py
index 6692594..2b7ee45 100644
--- a/tempest/api/volume/admin/test_volume_services.py
+++ b/tempest/api/volume/admin/test_volume_services.py
@@ -39,9 +39,8 @@
 
     @test.idempotent_id('63a3e1ca-37ee-4983-826d-83276a370d25')
     def test_get_service_by_service_binary_name(self):
-        params = {'binary': self.binary_name}
-        services = (self.admin_volume_services_client.list_services(params)
-                    ['services'])
+        services = (self.admin_volume_services_client.list_services(
+            binary=self.binary_name)['services'])
         self.assertNotEqual(0, len(services))
         for service in services:
             self.assertEqual(self.binary_name, service['binary'])
@@ -50,10 +49,9 @@
     def test_get_service_by_host_name(self):
         services_on_host = [service for service in self.services if
                             service['host'] == self.host_name]
-        params = {'host': self.host_name}
 
-        services = (self.admin_volume_services_client.list_services(params)
-                    ['services'])
+        services = (self.admin_volume_services_client.list_services(
+            host=self.host_name)['services'])
 
         # we could have a periodic job checkin between the 2 service
         # lookups, so only compare binary lists.
@@ -65,10 +63,10 @@
 
     @test.idempotent_id('ffa6167c-4497-4944-a464-226bbdb53908')
     def test_get_service_by_service_and_host_name(self):
-        params = {'host': self.host_name, 'binary': self.binary_name}
 
-        services = (self.admin_volume_services_client.list_services(params)
-                    ['services'])
+        services = (self.admin_volume_services_client.list_services(
+            host=self.host_name, binary=self.binary_name))['services']
+
         self.assertEqual(1, len(services))
         self.assertEqual(self.host_name, services[0]['host'])
         self.assertEqual(self.binary_name, services[0]['binary'])
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
index 0399413..ed34a9b 100644
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -48,7 +48,7 @@
         # Create backup
         backup_name = data_utils.rand_name('Backup')
         create_backup = self.backups_adm_client.create_backup
-        backup = create_backup(self.volume['id'],
+        backup = create_backup(volume_id=self.volume['id'],
                                name=backup_name)['backup']
         self.addCleanup(self.backups_adm_client.delete_backup,
                         backup['id'])
@@ -85,9 +85,8 @@
     def test_volume_backup_export_import(self):
         # Create backup
         backup_name = data_utils.rand_name('Backup')
-        backup = (self.backups_adm_client.create_backup(self.volume['id'],
-                                                        name=backup_name)
-                  ['backup'])
+        backup = (self.backups_adm_client.create_backup(
+            volume_id=self.volume['id'], name=backup_name)['backup'])
         self.addCleanup(self._delete_backup, backup['id'])
         self.assertEqual(backup_name, backup['name'])
         self.backups_adm_client.wait_for_backup_status(backup['id'],
diff --git a/tempest/clients.py b/tempest/clients.py
index b89340d..f40e0ea 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -50,7 +50,7 @@
 from tempest_lib.services.compute.security_group_default_rules_client import \
     SecurityGroupDefaultRulesClient
 from tempest_lib.services.compute.security_groups_client import \
-    SecurityGroupsClient
+    SecurityGroupsClient as ComputeSecurityGroupsClient
 from tempest_lib.services.compute.services_client import ServicesClient
 from tempest_lib.services.compute.snapshots_client import \
     SnapshotsClient as ComputeSnapshotsClient
@@ -360,7 +360,7 @@
             self.auth_provider, **params)
         self.security_group_rules_client = SecurityGroupRulesClient(
             self.auth_provider, **params)
-        self.security_groups_client = SecurityGroupsClient(
+        self.compute_security_groups_client = ComputeSecurityGroupsClient(
             self.auth_provider, **params)
         self.interfaces_client = InterfacesClient(self.auth_provider,
                                                   **params)
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 4455083..b5b78c6 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -269,7 +269,7 @@
 class SecurityGroupService(BaseService):
     def __init__(self, manager, **kwargs):
         super(SecurityGroupService, self).__init__(kwargs)
-        self.client = manager.security_groups_client
+        self.client = manager.compute_security_groups_client
 
     def list(self):
         client = self.client
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index a4574b2..826d8e8 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -902,7 +902,7 @@
         client.servers.wait_for_server_status(server_id, 'ACTIVE')
         # create security group(s) after server spawning
         for secgroup in server['secgroups']:
-            client.servers.add_security_group(server_id, secgroup)
+            client.servers.add_security_group(server_id, name=secgroup)
         if CONF.compute.use_floatingip_for_ssh:
             floating_ip_pool = server.get('floating_ip_pool')
             floating_ip = client.floating_ips.create_floating_ip(
diff --git a/tempest/cmd/run_stress.py b/tempest/cmd/run_stress.py
old mode 100755
new mode 100644
index 80f1b85..f99e5d9
--- a/tempest/cmd/run_stress.py
+++ b/tempest/cmd/run_stress.py
@@ -23,6 +23,7 @@
     # unittest in python 2.6 does not contain loader, so uses unittest2
     from unittest2 import loader
 
+from cliff import command
 from oslo_log import log as logging
 from oslo_serialization import jsonutils as json
 from testtools import testsuite
@@ -70,29 +71,42 @@
     return tests
 
 
-parser = argparse.ArgumentParser(description='Run stress tests')
-parser.add_argument('-d', '--duration', default=300, type=int,
-                    help="Duration of test in secs")
-parser.add_argument('-s', '--serial', action='store_true',
-                    help="Trigger running tests serially")
-parser.add_argument('-S', '--stop', action='store_true',
-                    default=False, help="Stop on first error")
-parser.add_argument('-n', '--number', type=int,
-                    help="How often an action is executed for each process")
-group = parser.add_mutually_exclusive_group(required=True)
-group.add_argument('-a', '--all', action='store_true',
-                   help="Execute all stress tests")
-parser.add_argument('-T', '--type',
-                    help="Filters tests of a certain type (e.g. gate)")
-parser.add_argument('-i', '--call-inherited', action='store_true',
-                    default=False,
-                    help="Call also inherited function with stress attribute")
-group.add_argument('-t', "--tests", nargs='?',
-                   help="Name of the file with test description")
+class TempestRunStress(command.Command):
+
+    def get_parser(self, prog_name):
+        pa = super(TempestRunStress, self).get_parser(prog_name)
+        pa = add_arguments(pa)
+        return pa
+
+    def take_action(self, pa):
+        return action(pa)
 
 
-def main():
-    ns = parser.parse_args()
+def add_arguments(parser):
+    parser.add_argument('-d', '--duration', default=300, type=int,
+                        help="Duration of test in secs")
+    parser.add_argument('-s', '--serial', action='store_true',
+                        help="Trigger running tests serially")
+    parser.add_argument('-S', '--stop', action='store_true',
+                        default=False, help="Stop on first error")
+    parser.add_argument('-n', '--number', type=int,
+                        help="How often an action is executed for each "
+                        "process")
+    group = parser.add_mutually_exclusive_group(required=True)
+    group.add_argument('-a', '--all', action='store_true',
+                       help="Execute all stress tests")
+    parser.add_argument('-T', '--type',
+                        help="Filters tests of a certain type (e.g. gate)")
+    parser.add_argument('-i', '--call-inherited', action='store_true',
+                        default=False,
+                        help="Call also inherited function with stress "
+                        "attribute")
+    group.add_argument('-t', "--tests", nargs='?',
+                       help="Name of the file with test description")
+    return parser
+
+
+def action(ns):
     result = 0
     if not ns.all:
         tests = json.load(open(ns.tests, 'r'))
@@ -121,6 +135,15 @@
     return result
 
 
+def main():
+    LOG.warning("Deprecated: Use 'tempest run-stress' instead. "
+                "The old entrypoint will be removed in a future release.")
+    parser = argparse.ArgumentParser(description='Run stress tests')
+    pa = add_arguments(parser)
+    ns = pa.parse_args()
+    return action(ns)
+
+
 if __name__ == "__main__":
     try:
         sys.exit(main())
diff --git a/tempest/common/validation_resources.py b/tempest/common/validation_resources.py
index 1908b68..f526299 100644
--- a/tempest/common/validation_resources.py
+++ b/tempest/common/validation_resources.py
@@ -23,7 +23,7 @@
 
 
 def create_ssh_security_group(os, add_rule=False):
-    security_groups_client = os.security_groups_client
+    security_groups_client = os.compute_security_groups_client
     security_group_rules_client = os.security_group_rules_client
     sg_name = data_utils.rand_name('securitygroup-')
     sg_description = data_utils.rand_name('description-')
@@ -81,7 +81,7 @@
                 if not has_exception:
                     has_exception = exc
         if 'security_group' in validation_data:
-            security_group_client = os.security_groups_client
+            security_group_client = os.compute_security_groups_client
             sec_id = validation_data['security_group']['id']
             try:
                 security_group_client.delete_security_group(sec_id)
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 24877f4..c304136 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -55,7 +55,8 @@
         cls.images_client = cls.manager.images_client
         cls.keypairs_client = cls.manager.keypairs_client
         # Nova security groups client
-        cls.security_groups_client = cls.manager.security_groups_client
+        cls.compute_security_groups_client = (
+            cls.manager.compute_security_groups_client)
         cls.security_group_rules_client = (
             cls.manager.security_group_rules_client)
         cls.servers_client = cls.manager.servers_client
@@ -286,7 +287,7 @@
         return volume
 
     def _create_loginable_secgroup_rule(self, secgroup_id=None):
-        _client = self.security_groups_client
+        _client = self.compute_security_groups_client
         _client_rules = self.security_group_rules_client
         if secgroup_id is None:
             sgs = _client.list_security_groups()['security_groups']
@@ -328,13 +329,14 @@
         # Create security group
         sg_name = data_utils.rand_name(self.__class__.__name__)
         sg_desc = sg_name + " description"
-        secgroup = self.security_groups_client.create_security_group(
+        secgroup = self.compute_security_groups_client.create_security_group(
             name=sg_name, description=sg_desc)['security_group']
         self.assertEqual(secgroup['name'], sg_name)
         self.assertEqual(secgroup['description'], sg_desc)
-        self.addCleanup(self.delete_wrapper,
-                        self.security_groups_client.delete_security_group,
-                        secgroup['id'])
+        self.addCleanup(
+            self.delete_wrapper,
+            self.compute_security_groups_client.delete_security_group,
+            secgroup['id'])
 
         # Add rules to the security group
         self._create_loginable_secgroup_rule(secgroup['id'])
diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index f45fb3a..b549ecb 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -85,11 +85,12 @@
         # Explicitly create secgroup to avoid cleanup at the end of testcases.
         # Since no traffic is tested, we don't need to actually add rules to
         # secgroup
-        secgroup = self.security_groups_client.create_security_group(
+        secgroup = self.compute_security_groups_client.create_security_group(
             name='secgroup-%s' % name,
             description='secgroup-desc-%s' % name)['security_group']
-        self.addCleanupClass(self.security_groups_client.delete_security_group,
-                             secgroup['id'])
+        self.addCleanupClass(
+            self.compute_security_groups_client.delete_security_group,
+            secgroup['id'])
         create_kwargs = {
             'min_count': CONF.scenario.large_ops_number,
             'security_groups': [{'name': secgroup['name']}]
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index 25e3e6f..585b19d 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -95,7 +95,7 @@
     def create_and_add_security_group_to_server(self, server):
         secgroup = self._create_security_group()
         self.servers_client.add_security_group(server['id'],
-                                               secgroup['name'])
+                                               name=secgroup['name'])
         self.addCleanup(self.servers_client.remove_security_group,
                         server['id'], secgroup['name'])
 
diff --git a/tempest/services/compute/json/base.py b/tempest/services/compute/json/base.py
new file mode 100644
index 0000000..02e9f8b
--- /dev/null
+++ b/tempest/services/compute/json/base.py
@@ -0,0 +1,25 @@
+# Copyright 2015 NEC Corporation.  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 tempest.common import service_client
+
+
+class BaseComputeClient(service_client.ServiceClient):
+    api_microversion = None
+
+    def get_headers(self):
+        headers = super(BaseComputeClient, self).get_headers()
+        if self.api_microversion:
+            headers['X-OpenStack-Nova-API-Version'] = self.api_microversion
+        return headers
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index c71a193..80b3094 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -32,7 +32,10 @@
         self.enable_instance_password = enable_instance_password
 
     def create_server(self, **kwargs):
-        """Create server
+        """Create server.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#createServer
 
         Most parameters except the following are passed to the API without
         any changes.
@@ -69,7 +72,10 @@
         return service_client.ResponseBody(resp, body)
 
     def update_server(self, server_id, **kwargs):
-        """Update server
+        """Update server.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#updateServer
 
         Most parameters except the following are passed to the API without
         any changes.
@@ -85,20 +91,26 @@
         return service_client.ResponseBody(resp, body)
 
     def show_server(self, server_id):
-        """Get server details"""
+        """Get server details."""
         resp, body = self.get("servers/%s" % server_id)
         body = json.loads(body)
         self.validate_response(schema.get_server, resp, body)
         return service_client.ResponseBody(resp, body)
 
     def delete_server(self, server_id):
-        """Delete server"""
+        """Delete server."""
         resp, body = self.delete("servers/%s" % server_id)
         self.validate_response(schema.delete_server, resp, body)
         return service_client.ResponseBody(resp, body)
 
     def list_servers(self, detail=False, **params):
-        """List servers"""
+        """List servers.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#listServers
+                          and http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#listDetailServers
+        """
 
         url = 'servers'
         _schema = schema.list_servers
@@ -140,17 +152,21 @@
         self.validate_response(schema, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def create_backup(self, server_id, backup_type, rotation, name):
-        """Backup a server instance."""
-        return self.action(server_id, "createBackup",
-                           backup_type=backup_type,
-                           rotation=rotation,
-                           name=name)
+    def create_backup(self, server_id, **kwargs):
+        """Backup a server instance.
 
-    def change_password(self, server_id, adminPass):
-        """Changes the root password for the server."""
-        return self.action(server_id, 'changePassword',
-                           adminPass=adminPass)
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#createBackup
+        """
+        return self.action(server_id, "createBackup", **kwargs)
+
+    def change_password(self, server_id, **kwargs):
+        """Change the root password for the server.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#changePassword
+        """
+        return self.action(server_id, 'changePassword', **kwargs)
 
     def show_password(self, server_id):
         resp, body = self.get("servers/%s/os-server-password" %
@@ -205,7 +221,11 @@
         return self.action(server_id, 'resize', **kwargs)
 
     def confirm_resize_server(self, server_id, **kwargs):
-        """Confirms the flavor change for a server."""
+        """Confirm the flavor change for a server.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-compute-v2.1.html#confirmResize
+        """
         return self.action(server_id, 'confirmResize',
                            schema.server_actions_confirm_resize,
                            **kwargs)
@@ -301,9 +321,16 @@
         self.validate_response(schema.list_volume_attachments, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def add_security_group(self, server_id, name):
-        """Adds a security group to the server."""
-        return self.action(server_id, 'addSecurityGroup', name=name)
+    def add_security_group(self, server_id, **kwargs):
+        """Add a security group to the server.
+
+        Available params: TODO
+        """
+        # TODO(oomichi): The api-site doesn't contain this API description.
+        # So the above should be changed to the api-site link after
+        # adding the description on the api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1524199
+        return self.action(server_id, 'addSecurityGroup', **kwargs)
 
     def remove_security_group(self, server_id, name):
         """Removes a security group from the server."""
@@ -425,7 +452,11 @@
                            type=console_type)
 
     def add_fixed_ip(self, server_id, **kwargs):
-        """Add a fixed IP to input server instance."""
+        """Add a fixed IP to server instance.
+
+        Available params: http://developer.openstack.org/
+                          api-ref-compute-v2.1.html#addFixedIp
+        """
         return self.action(server_id, 'addFixedIp', **kwargs)
 
     def remove_fixed_ip(self, server_id, **kwargs):
diff --git a/tempest/services/image/v2/json/images_client.py b/tempest/services/image/v2/json/images_client.py
index 33bfcb8..44062ea 100644
--- a/tempest/services/image/v2/json/images_client.py
+++ b/tempest/services/image/v2/json/images_client.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import jsonschema
 from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
@@ -49,14 +48,6 @@
                                       insecure=self.dscv,
                                       ca_certs=self.ca_certs)
 
-    def _validate_schema(self, body, type='image'):
-        if type in ['image', 'images']:
-            schema = self.show_schema(type)
-        else:
-            raise ValueError("%s is not a valid schema type" % type)
-
-        jsonschema.validate(body, schema)
-
     @property
     def http(self):
         if self._http is None:
@@ -65,8 +56,6 @@
 
     def update_image(self, image_id, patch):
         data = json.dumps(patch)
-        self._validate_schema(data)
-
         headers = {"Content-Type": "application/openstack-images-v2.0"
                                    "-json-patch"}
         resp, body = self.patch('v2/images/%s' % image_id, data, headers)
@@ -89,8 +78,6 @@
                 params[option] = value
 
         data = json.dumps(params)
-        self._validate_schema(data)
-
         resp, body = self.post('v2/images', data)
         self.expected_success(201, resp.status)
         body = json.loads(body)
@@ -123,7 +110,6 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        self._validate_schema(body, type='images')
         return service_client.ResponseBody(resp, body)
 
     def show_image(self, image_id):
@@ -178,7 +164,12 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def add_image_member(self, image_id, **kwargs):
+    def create_image_member(self, image_id, **kwargs):
+        """Create an image member.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-image-v2.html#createImageMember-v2
+        """
         url = 'v2/images/%s/members' % image_id
         data = json.dumps(kwargs)
         resp, body = self.post(url, data)
@@ -232,8 +223,6 @@
                               api-ref-image-v2.html#createNamespace-v2
         """
         data = json.dumps(kwargs)
-        self._validate_schema(data)
-
         resp, body = self.post('/v2/metadefs/namespaces', data)
         self.expected_success(201, resp.status)
         body = json.loads(body)
@@ -257,7 +246,6 @@
         params = {'namespace': namespace}
         params.update(kwargs)
         data = json.dumps(params)
-        self._validate_schema(data)
         url = '/v2/metadefs/namespaces/%s' % namespace
         resp, body = self.put(url, body=data)
         self.expected_success(200, resp.status)
diff --git a/tempest/services/volume/base/admin/base_services_client.py b/tempest/services/volume/base/admin/base_services_client.py
index 68f852f..3626469 100644
--- a/tempest/services/volume/base/admin/base_services_client.py
+++ b/tempest/services/volume/base/admin/base_services_client.py
@@ -21,7 +21,7 @@
 
 class BaseServicesClient(service_client.ServiceClient):
 
-    def list_services(self, params=None):
+    def list_services(self, **params):
         url = 'os-services'
         if params:
             url += '?%s' % urllib.urlencode(params)
diff --git a/tempest/services/volume/base/base_backups_client.py b/tempest/services/volume/base/base_backups_client.py
index be926e6..fc9a40a 100644
--- a/tempest/services/volume/base/base_backups_client.py
+++ b/tempest/services/volume/base/base_backups_client.py
@@ -25,26 +25,17 @@
 class BaseBackupsClient(service_client.ServiceClient):
     """Client class to send CRUD Volume backup API requests"""
 
-    def create_backup(self, volume_id, container=None, name=None,
-                      description=None):
+    def create_backup(self, **kwargs):
         """Creates a backup of volume."""
-        post_body = {'volume_id': volume_id}
-        if container:
-            post_body['container'] = container
-        if name:
-            post_body['name'] = name
-        if description:
-            post_body['description'] = description
-        post_body = json.dumps({'backup': post_body})
+        post_body = json.dumps({'backup': kwargs})
         resp, body = self.post('backups', post_body)
         body = json.loads(body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def restore_backup(self, backup_id, volume_id=None):
+    def restore_backup(self, backup_id, **kwargs):
         """Restore volume from backup."""
-        post_body = {'volume_id': volume_id}
-        post_body = json.dumps({'restore': post_body})
+        post_body = json.dumps({'restore': kwargs})
         resp, body = self.post('backups/%s/restore' % (backup_id), post_body)
         body = json.loads(body)
         self.expected_success(202, resp.status)
@@ -82,11 +73,9 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def import_backup(self, backup_service, backup_url):
+    def import_backup(self, **kwargs):
         """Import backup metadata record."""
-        post_body = {'backup_service': backup_service,
-                     'backup_url': backup_url}
-        post_body = json.dumps({'backup-record': post_body})
+        post_body = json.dumps({'backup-record': kwargs})
         resp, body = self.post("backups/import_record", post_body)
         body = json.loads(body)
         self.expected_success(201, resp.status)
diff --git a/tempest/stress/README.rst b/tempest/stress/README.rst
index 4f1f56c..33842fd 100644
--- a/tempest/stress/README.rst
+++ b/tempest/stress/README.rst
@@ -33,17 +33,17 @@
 
 The stress test framework can automatically discover test inside the tempest
 test suite. All test flag with the `@stresstest` decorator will be executed.
-In order to use this discovery you have to be in the tempest root directory
-and execute the following:
+In order to use this discovery you have to install tempest CLI, be in the
+tempest root directory and execute the following:
 
-	run-tempest-stress -a -d 30
+	tempest run-stress -a -d 30
 
 Running the sample test
 -----------------------
 
 To test installation, do the following:
 
-	run-tempest-stress -t tempest/stress/etc/server-create-destroy-test.json -d 30
+	tempest run-stress -t tempest/stress/etc/server-create-destroy-test.json -d 30
 
 This sample test tries to create a few VMs and kill a few VMs.
 
diff --git a/tempest/stress/actions/ssh_floating.py b/tempest/stress/actions/ssh_floating.py
index 6bac570..4f8c6bd 100644
--- a/tempest/stress/actions/ssh_floating.py
+++ b/tempest/stress/actions/ssh_floating.py
@@ -91,7 +91,7 @@
         self.logger.info("deleted %s" % self.server_id)
 
     def _create_sec_group(self):
-        sec_grp_cli = self.manager.security_groups_client
+        sec_grp_cli = self.manager.compute_security_groups_client
         s_name = data_utils.rand_name('sec_grp')
         s_description = data_utils.rand_name('desc')
         self.sec_grp = sec_grp_cli.create_security_group(
@@ -103,7 +103,7 @@
                     from_port=-1, to_port=-1)
 
     def _destroy_sec_grp(self):
-        sec_grp_cli = self.manager.security_groups_client
+        sec_grp_cli = self.manager.compute_security_groups_client
         sec_grp_cli.delete_security_group(self.sec_grp['id'])
 
     def _create_floating_ip(self):
diff --git a/tempest/stress/actions/volume_attach_verify.py b/tempest/stress/actions/volume_attach_verify.py
index fa0bb8b..2a23291 100644
--- a/tempest/stress/actions/volume_attach_verify.py
+++ b/tempest/stress/actions/volume_attach_verify.py
@@ -54,7 +54,7 @@
         self.logger.info("deleted server: %s" % self.server_id)
 
     def _create_sec_group(self):
-        sec_grp_cli = self.manager.security_groups_client
+        sec_grp_cli = self.manager.compute_security_groups_client
         s_name = data_utils.rand_name('sec_grp')
         s_description = data_utils.rand_name('desc')
         self.sec_grp = sec_grp_cli.create_security_group(
@@ -66,7 +66,7 @@
                     from_port=-1, to_port=-1)
 
     def _destroy_sec_grp(self):
-        sec_grp_cli = self.manager.security_groups_client
+        sec_grp_cli = self.manager.compute_security_groups_client
         sec_grp_cli.delete_security_group(self.sec_grp['id'])
 
     def _create_floating_ip(self):
diff --git a/tempest/stress/cleanup.py b/tempest/stress/cleanup.py
index 0ec197d..5c25e32 100644
--- a/tempest/stress/cleanup.py
+++ b/tempest/stress/cleanup.py
@@ -48,7 +48,7 @@
         except Exception:
             pass
 
-    secgrp_client = admin_manager.security_groups_client
+    secgrp_client = admin_manager.compute_security_groups_client
     secgrp = (secgrp_client.list_security_groups(all_tenants=True)
               ['security_groups'])
     secgrp_del = [grp for grp in secgrp if grp['name'] != 'default']
diff --git a/tempest/tests/services/compute/test_base_compute_client.py b/tempest/tests/services/compute/test_base_compute_client.py
new file mode 100644
index 0000000..13461e4
--- /dev/null
+++ b/tempest/tests/services/compute/test_base_compute_client.py
@@ -0,0 +1,72 @@
+# Copyright 2015 NEC Corporation.  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.
+
+import httplib2
+import mock
+from tempest_lib.common import rest_client
+
+from tempest.services.compute.json import base as base_compute_client
+from tempest.tests import fake_auth_provider
+from tempest.tests.services.compute import base
+
+
+class TestClientWithoutMicroversionHeader(base.BaseComputeServiceTest):
+
+    def setUp(self):
+        super(TestClientWithoutMicroversionHeader, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = base_compute_client.BaseComputeClient(
+            fake_auth, 'compute', 'regionOne')
+
+    def test_no_microverion_header(self):
+        header = self.client.get_headers()
+        self.assertNotIn('X-OpenStack-Nova-API-Version', header)
+
+    def test_no_microverion_header_in_raw_request(self):
+        def raw_request(*args, **kwargs):
+            self.assertNotIn('X-OpenStack-Nova-API-Version', kwargs['headers'])
+            return (httplib2.Response({'status': 200}), {})
+
+        with mock.patch.object(rest_client.RestClient,
+                               'raw_request') as mock_get:
+            mock_get.side_effect = raw_request
+            self.client.get('fake_url')
+
+
+class TestClientWithMicroversionHeader(base.BaseComputeServiceTest):
+
+    def setUp(self):
+        super(TestClientWithMicroversionHeader, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = base_compute_client.BaseComputeClient(
+            fake_auth, 'compute', 'regionOne')
+        self.client.api_microversion = '2.2'
+
+    def test_microverion_header(self):
+        header = self.client.get_headers()
+        self.assertIn('X-OpenStack-Nova-API-Version', header)
+        self.assertEqual(self.client.api_microversion,
+                         header['X-OpenStack-Nova-API-Version'])
+
+    def test_microverion_header_in_raw_request(self):
+        def raw_request(*args, **kwargs):
+            self.assertIn('X-OpenStack-Nova-API-Version', kwargs['headers'])
+            self.assertEqual(self.client.api_microversion,
+                             kwargs['headers']['X-OpenStack-Nova-API-Version'])
+            return (httplib2.Response({'status': 200}), {})
+
+        with mock.patch.object(rest_client.RestClient,
+                               'raw_request') as mock_get:
+            mock_get.side_effect = raw_request
+            self.client.get('fake_url')
diff --git a/tempest/tests/test_glance_http.py b/tempest/tests/test_glance_http.py
index ed886da..db9db34 100644
--- a/tempest/tests/test_glance_http.py
+++ b/tempest/tests/test_glance_http.py
@@ -123,9 +123,9 @@
     def test_get_connection_kwargs_default_for_https(self):
         kwargs = self.client._get_connection_kwargs('https')
         self.assertEqual(600, kwargs['timeout'])
-        self.assertEqual(None, kwargs['ca_certs'])
-        self.assertEqual(None, kwargs['cert_file'])
-        self.assertEqual(None, kwargs['key_file'])
+        self.assertIsNone(kwargs['ca_certs'])
+        self.assertIsNone(kwargs['cert_file'])
+        self.assertIsNone(kwargs['key_file'])
         self.assertEqual(False, kwargs['insecure'])
         self.assertEqual(True, kwargs['ssl_compression'])
         self.assertEqual(6, len(kwargs.keys()))
diff --git a/tox.ini b/tox.ini
index 41eece1..fedd04c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py27,py34
+envlist = pep8,py34,py27
 minversion = 1.6
 skipsdist = True