diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index 07ee026..c97eb97 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -5,12 +5,14 @@
 #
 
 # Print debugging output (set logging level to DEBUG instead of
-# default WARNING level). (boolean value)
+# default INFO level). (boolean value)
 #debug = false
 
-# Print more verbose output (set logging level to INFO instead of
-# default WARNING level). (boolean value)
-#verbose = false
+# If set to false, will disable INFO logging level, making WARNING the
+# default. (boolean value)
+# This option is deprecated for removal.
+# Its value may be silently ignored in the future.
+#verbose = true
 
 # The name of a logging configuration file. This file is appended to
 # any existing logging configuration files. For details about logging
@@ -376,6 +378,10 @@
 # value)
 #live_migration = true
 
+# Does the test environment support metadata service? Ignored unless
+# validation.run_validation=true. (boolean value)
+#metadata_service = true
+
 # Does the test environment use block devices for live migration
 # (boolean value)
 #block_migration_for_live_migration = false
@@ -498,18 +504,29 @@
 # From tempest.config
 #
 
-# A regex to determine which requests should be traced.  This is a
-# regex to match the caller for rest client requests to be able to
+# A regex to determine which requests should be traced.
+#
+# This is a regex to match the caller for rest client requests to be
+# able to
 # selectively trace calls out of specific classes and methods. It
-# largely exists for test development, and is not expected to be used
-# in a real deploy of tempest. This will be matched against the
-# discovered ClassName:method in the test environment.  Expected
-# values for this field are:   * ClassName:test_method_name - traces
-# one test_method  * ClassName:setUp(Class) - traces specific setup
-# functions  * ClassName:tearDown(Class) - traces specific teardown
-# functions  * ClassName:_run_cleanups - traces the cleanup functions
+# largely
+# exists for test development, and is not expected to be used in a
+# real deploy
+# of tempest. This will be matched against the discovered
+# ClassName:method
+# in the test environment.
+#
+# Expected values for this field are:
+#
+#  * ClassName:test_method_name - traces one test_method
+#  * ClassName:setUp(Class) - traces specific setup functions
+#  * ClassName:tearDown(Class) - traces specific teardown functions
+#  * ClassName:_run_cleanups - traces the cleanup functions
+#
 # If nothing is specified, this feature is not enabled. To trace
-# everything specify .* as the regex.  (string value)
+# everything
+# specify .* as the regex.
+#  (string value)
 #trace_requests =
 
 
diff --git a/setup.cfg b/setup.cfg
index f28c481..ab40f12 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,7 +22,7 @@
 packages =
     tempest
 data_files =
-    /etc/tempest = etc/*
+    etc/tempest = etc/*
 
 [entry_points]
 console_scripts =
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs.py b/tempest/api/compute/admin/test_flavors_extra_specs.py
index aa62e12..6039cb2 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs.py
@@ -71,7 +71,7 @@
         specs = {"key1": "value1", "key2": "value2"}
         # SET extra specs to the flavor created in setUp
         set_body = \
-            self.client.set_flavor_extra_spec(self.flavor['id'], specs)
+            self.client.set_flavor_extra_spec(self.flavor['id'], **specs)
         self.assertEqual(set_body, specs)
         # GET extra specs and verify
         get_body = self.client.list_flavor_extra_specs(self.flavor['id'])
@@ -96,7 +96,7 @@
     @test.idempotent_id('a99dad88-ae1c-4fba-aeb4-32f898218bd0')
     def test_flavor_non_admin_get_all_keys(self):
         specs = {"key1": "value1", "key2": "value2"}
-        self.client.set_flavor_extra_spec(self.flavor['id'], specs)
+        self.client.set_flavor_extra_spec(self.flavor['id'], **specs)
         body = self.flavors_client.list_flavor_extra_specs(self.flavor['id'])
 
         for key in specs:
@@ -104,8 +104,8 @@
 
     @test.idempotent_id('12805a7f-39a3-4042-b989-701d5cad9c90')
     def test_flavor_non_admin_get_specific_key(self):
-        specs = {"key1": "value1", "key2": "value2"}
-        body = self.client.set_flavor_extra_spec(self.flavor['id'], specs)
+        body = self.client.set_flavor_extra_spec(self.flavor['id'],
+                                                 key1="value1", key2="value2")
         self.assertEqual(body['key1'], 'value1')
         self.assertIn('key2', body)
         body = self.flavors_client.show_flavor_extra_spec(
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
index 5d4514e..f1e11f4 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
@@ -70,19 +70,17 @@
     @test.idempotent_id('a00a3b81-5641-45a8-ab2b-4a8ec41e1d7d')
     def test_flavor_non_admin_set_keys(self):
         # Test to SET flavor extra spec as a user without admin privileges.
-        specs = {"key1": "value1", "key2": "value2"}
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.set_flavor_extra_spec,
                           self.flavor['id'],
-                          specs)
+                          key1="value1", key2="value2")
 
     @test.attr(type=['negative'])
     @test.idempotent_id('1ebf4ef8-759e-48fe-a801-d451d80476fb')
     def test_flavor_non_admin_update_specific_key(self):
         # non admin user is not allowed to update flavor extra spec
-        specs = {"key1": "value1", "key2": "value2"}
         body = self.client.set_flavor_extra_spec(
-            self.flavor['id'], specs)
+            self.flavor['id'], key1="value1", key2="value2")
         self.assertEqual(body['key1'], 'value1')
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.
@@ -94,8 +92,8 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('28f12249-27c7-44c1-8810-1f382f316b11')
     def test_flavor_non_admin_unset_keys(self):
-        specs = {"key1": "value1", "key2": "value2"}
-        self.client.set_flavor_extra_spec(self.flavor['id'], specs)
+        self.client.set_flavor_extra_spec(self.flavor['id'],
+                                          key1="value1", key2="value2")
 
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.unset_flavor_extra_spec,
diff --git a/tempest/api/compute/admin/test_security_group_default_rules.py b/tempest/api/compute/admin/test_security_group_default_rules.py
index 13d6cc0..5ae6553 100644
--- a/tempest/api/compute/admin/test_security_group_default_rules.py
+++ b/tempest/api/compute/admin/test_security_group_default_rules.py
@@ -45,9 +45,9 @@
                                              cidr='10.10.0.0/24'):
         # Create Security Group default rule
         rule = self.adm_client.create_security_default_group_rule(
-            ip_protocol,
-            from_port,
-            to_port,
+            ip_protocol=ip_protocol,
+            from_port=from_port,
+            to_port=to_port,
             cidr=cidr)
         self.assertEqual(ip_protocol, rule['ip_protocol'])
         self.assertEqual(from_port, rule['from_port'])
@@ -73,9 +73,9 @@
         from_port = 80
         to_port = 80
         rule = self.adm_client.create_security_default_group_rule(
-            ip_protocol,
-            from_port,
-            to_port)
+            ip_protocol=ip_protocol,
+            from_port=from_port,
+            to_port=to_port)
         self.addCleanup(self.adm_client.delete_security_group_default_rule,
                         rule['id'])
         self.assertNotEqual(0, rule['id'])
@@ -88,9 +88,9 @@
         to_port = 10
         cidr = ''
         rule = self.adm_client.create_security_default_group_rule(
-            ip_protocol,
-            from_port,
-            to_port,
+            ip_protocol=ip_protocol,
+            from_port=from_port,
+            to_port=to_port,
             cidr=cidr)
         self.addCleanup(self.adm_client.delete_security_group_default_rule,
                         rule['id'])
diff --git a/tempest/api/compute/keypairs/test_keypairs.py b/tempest/api/compute/keypairs/test_keypairs.py
index 45eaa97..9243fdf 100644
--- a/tempest/api/compute/keypairs/test_keypairs.py
+++ b/tempest/api/compute/keypairs/test_keypairs.py
@@ -31,7 +31,10 @@
         self.client.delete_keypair(keypair_name)
 
     def _create_keypair(self, keypair_name, pub_key=None):
-        body = self.client.create_keypair(keypair_name, pub_key)
+        kwargs = {'name': keypair_name}
+        if pub_key:
+            kwargs.update({'public_key': pub_key})
+        body = self.client.create_keypair(**kwargs)
         self.addCleanup(self._delete_keypair, keypair_name)
         return body
 
diff --git a/tempest/api/compute/keypairs/test_keypairs_negative.py b/tempest/api/compute/keypairs/test_keypairs_negative.py
index 54b07f0..3e6d400 100644
--- a/tempest/api/compute/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/keypairs/test_keypairs_negative.py
@@ -29,7 +29,10 @@
         cls.client = cls.keypairs_client
 
     def _create_keypair(self, keypair_name, pub_key=None):
-        self.client.create_keypair(keypair_name, pub_key)
+        kwargs = {'name': keypair_name}
+        if pub_key:
+            kwargs.update({'public_key': pub_key})
+        self.client.create_keypair(**kwargs)
         self.addCleanup(self.client.delete_keypair, keypair_name)
 
     @test.attr(type=['negative'])
@@ -72,7 +75,7 @@
     def test_create_keypair_with_duplicate_name(self):
         # Keypairs with duplicate names should not be created
         k_name = data_utils.rand_name('keypair')
-        self.client.create_keypair(k_name)
+        self.client.create_keypair(name=k_name)
         # Now try the same keyname to create another key
         self.assertRaises(lib_exc.Conflict, self._create_keypair,
                           k_name)
diff --git a/tempest/api/compute/servers/test_servers.py b/tempest/api/compute/servers/test_servers.py
index 2c1e69c..c243adf 100644
--- a/tempest/api/compute/servers/test_servers.py
+++ b/tempest/api/compute/servers/test_servers.py
@@ -63,7 +63,7 @@
         # Specify a keypair while creating a server
 
         key_name = data_utils.rand_name('key')
-        self.keypairs_client.create_keypair(key_name)
+        self.keypairs_client.create_keypair(name=key_name)
         self.addCleanup(self.keypairs_client.delete_keypair, key_name)
         self.keypairs_client.list_keypairs()
         server = self.create_test_server(key_name=key_name)
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index 8ee8ad4..7e2868e 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -78,7 +78,7 @@
         cls.image = cls.images_client.show_image(image_id)
 
         cls.keypairname = data_utils.rand_name('keypair')
-        cls.keypairs_client.create_keypair(cls.keypairname)
+        cls.keypairs_client.create_keypair(name=cls.keypairname)
 
         name = data_utils.rand_name('security')
         description = data_utils.rand_name('description')
@@ -209,7 +209,8 @@
             resp = {}
             resp['status'] = None
             self.assertRaises(lib_exc.BadRequest,
-                              self.alt_keypairs_client.create_keypair, k_name)
+                              self.alt_keypairs_client.create_keypair,
+                              name=k_name)
         finally:
             # Next request the base_url is back to normal
             if (resp['status'] is not None):
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 266f726..6578680 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -96,7 +96,7 @@
     @classmethod
     def _create_keypair(cls, name_start='keypair-heat-'):
         kp_name = data_utils.rand_name(name_start)
-        body = cls.keypairs_client.create_keypair(kp_name)
+        body = cls.keypairs_client.create_keypair(name=kp_name)
         cls.keypairs.append(kp_name)
         return body
 
diff --git a/tempest/common/validation_resources.py b/tempest/common/validation_resources.py
index 18f0b1d..852ee54 100644
--- a/tempest/common/validation_resources.py
+++ b/tempest/common/validation_resources.py
@@ -46,7 +46,7 @@
         if validation_resources['keypair']:
             keypair_name = data_utils.rand_name('keypair')
             validation_data['keypair'] = \
-                os.keypairs_client.create_keypair(keypair_name)
+                os.keypairs_client.create_keypair(name=keypair_name)
             LOG.debug("Validation resource key %s created" % keypair_name)
         add_rule = False
         if validation_resources['security_group']:
diff --git a/tempest/config.py b/tempest/config.py
index bdfdcdc..ab503e3 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -331,6 +331,10 @@
                 default=True,
                 help="Does the test environment support live migration "
                      "available?"),
+    cfg.BoolOpt('metadata_service',
+                default=True,
+                help="Does the test environment support metadata service? "
+                     "Ignored unless validation.run_validation=true."),
     cfg.BoolOpt('block_migration_for_live_migration',
                 default=False,
                 help="Does the test environment use block devices for live "
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index e77d07c..67052b0 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -140,7 +140,7 @@
             client = self.keypairs_client
         name = data_utils.rand_name(self.__class__.__name__)
         # We don't need to create a keypair by pubkey in scenario
-        body = client.create_keypair(name)
+        body = client.create_keypair(name=name)
         self.addCleanup(client.delete_keypair, name)
         return body
 
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index d9918f3..f61b151 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -37,6 +37,7 @@
      * Add simple permissive rules to the security group
      * Launch an instance
      * Perform ssh to instance
+     * Verify metadata service
      * Terminate the instance
     """
 
@@ -81,19 +82,26 @@
     def verify_ssh(self):
         if self.run_ssh:
             # Obtain a floating IP
-            floating_ip = self.floating_ips_client.create_floating_ip()
+            self.floating_ip = self.floating_ips_client.create_floating_ip()
             self.addCleanup(self.delete_wrapper,
                             self.floating_ips_client.delete_floating_ip,
-                            floating_ip['id'])
+                            self.floating_ip['id'])
             # Attach a floating IP
             self.floating_ips_client.associate_floating_ip_to_server(
-                floating_ip['ip'], self.instance['id'])
+                self.floating_ip['ip'], self.instance['id'])
             # Check ssh
-            self.get_remote_client(
-                server_or_ip=floating_ip['ip'],
+            self.ssh_client = self.get_remote_client(
+                server_or_ip=self.floating_ip['ip'],
                 username=self.image_utils.ssh_user(self.image_ref),
                 private_key=self.keypair['private_key'])
 
+    def verify_metadata(self):
+        if self.run_ssh and CONF.compute_feature_enabled.metadata_service:
+            # Verify metadata service
+            result = self.ssh_client.exec_command(
+                "curl http://169.254.169.254/latest/meta-data/public-ipv4")
+            self.assertEqual(self.floating_ip['ip'], result)
+
     @test.idempotent_id('7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba')
     @test.attr(type='smoke')
     @test.services('compute', 'network')
@@ -102,4 +110,5 @@
         self.security_group = self._create_security_group()
         self.boot_instance()
         self.verify_ssh()
+        self.verify_metadata()
         self.servers_client.delete_server(self.instance['id'])
diff --git a/tempest/services/compute/json/flavors_client.py b/tempest/services/compute/json/flavors_client.py
index e1e441c..1422944 100644
--- a/tempest/services/compute/json/flavors_client.py
+++ b/tempest/services/compute/json/flavors_client.py
@@ -87,9 +87,9 @@
         """Returns the primary type of resource this client works with."""
         return 'flavor'
 
-    def set_flavor_extra_spec(self, flavor_id, specs):
+    def set_flavor_extra_spec(self, flavor_id, **kwargs):
         """Sets extra Specs to the mentioned flavor."""
-        post_body = json.dumps({'extra_specs': specs})
+        post_body = json.dumps({'extra_specs': kwargs})
         resp, body = self.post('flavors/%s/os-extra_specs' % flavor_id,
                                post_body)
         body = json.loads(body)
diff --git a/tempest/services/compute/json/keypairs_client.py b/tempest/services/compute/json/keypairs_client.py
index 6f819ae..e51671f 100644
--- a/tempest/services/compute/json/keypairs_client.py
+++ b/tempest/services/compute/json/keypairs_client.py
@@ -38,11 +38,8 @@
         self.validate_response(schema.get_keypair, resp, body)
         return service_client.ResponseBody(resp, body['keypair'])
 
-    def create_keypair(self, name, pub_key=None):
-        post_body = {'keypair': {'name': name}}
-        if pub_key:
-            post_body['keypair']['public_key'] = pub_key
-        post_body = json.dumps(post_body)
+    def create_keypair(self, **kwargs):
+        post_body = json.dumps({'keypair': kwargs})
         resp, body = self.post("os-keypairs", body=post_body)
         body = json.loads(body)
         self.validate_response(schema.create_keypair, resp, body)
diff --git a/tempest/services/compute/json/security_group_default_rules_client.py b/tempest/services/compute/json/security_group_default_rules_client.py
index fcc715a..658b89a 100644
--- a/tempest/services/compute/json/security_group_default_rules_client.py
+++ b/tempest/services/compute/json/security_group_default_rules_client.py
@@ -22,8 +22,7 @@
 
 class SecurityGroupDefaultRulesClient(service_client.ServiceClient):
 
-    def create_security_default_group_rule(self, ip_protocol, from_port,
-                                           to_port, **kwargs):
+    def create_security_default_group_rule(self, **kwargs):
         """
         Creating security group default rules.
         ip_protocol : ip_protocol (icmp, tcp, udp).
@@ -31,13 +30,7 @@
         to_port  : Port at end of range.
         cidr     : CIDR for address range.
         """
-        post_body = {
-            'ip_protocol': ip_protocol,
-            'from_port': from_port,
-            'to_port': to_port,
-            'cidr': kwargs.get('cidr'),
-        }
-        post_body = json.dumps({'security_group_default_rule': post_body})
+        post_body = json.dumps({'security_group_default_rule': kwargs})
         url = 'os-security-group-default-rules'
         resp, body = self.post(url, post_body)
         body = json.loads(body)
diff --git a/tempest/stress/actions/volume_attach_verify.py b/tempest/stress/actions/volume_attach_verify.py
index 3ba2a91..c48ad4b 100644
--- a/tempest/stress/actions/volume_attach_verify.py
+++ b/tempest/stress/actions/volume_attach_verify.py
@@ -26,7 +26,7 @@
 
     def _create_keypair(self):
         keyname = data_utils.rand_name("key")
-        self.key = self.manager.keypairs_client.create_keypair(keyname)
+        self.key = self.manager.keypairs_client.create_keypair(name=keyname)
 
     def _delete_keypair(self):
         self.manager.keypairs_client.delete_keypair(self.key['name'])