diff --git a/releasenotes/notes/merge-tempest-horizon-plugin-39d555339ab8c7ce.yaml b/releasenotes/notes/merge-tempest-horizon-plugin-39d555339ab8c7ce.yaml
new file mode 100644
index 0000000..ff406fb
--- /dev/null
+++ b/releasenotes/notes/merge-tempest-horizon-plugin-39d555339ab8c7ce.yaml
@@ -0,0 +1,6 @@
+---
+prelude: >
+    The integrated horizon dashboard test is now moved
+    from tempest-horizon plugin into Tempest. You do not need
+    to install tempest-horizon to run the horizon test which
+    can be run using Tempest itself.
diff --git a/releasenotes/notes/random-bytes-size-limit-ee94a8c6534fe916.yaml b/releasenotes/notes/random-bytes-size-limit-ee94a8c6534fe916.yaml
new file mode 100644
index 0000000..42322e4
--- /dev/null
+++ b/releasenotes/notes/random-bytes-size-limit-ee94a8c6534fe916.yaml
@@ -0,0 +1,9 @@
+---
+upgrade:
+  - |
+    The ``tempest.lib.common.utils.data_utils.random_bytes()`` helper
+    function will no longer allow a ``size`` of more than 1MiB. Tests
+    generally do not need to generate and use large payloads for
+    feature verification and it is easy to lose track of and duplicate
+    large buffers. The sum total of such errors can become problematic
+    in paralllelized and constrained CI environments.
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index 9e25901..d1f6f98 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -158,7 +158,7 @@
 
         self.client.stage_image_file(
             image['id'],
-            six.BytesIO(data_utils.random_bytes(10485760)))
+            six.BytesIO(data_utils.random_bytes()))
         # Check image status is 'uploading'
         body = self.client.show_image(image['id'])
         self.assertEqual(image['id'], body['id'])
diff --git a/tempest/common/utils/__init__.py b/tempest/common/utils/__init__.py
index 914acf7..38881ee 100644
--- a/tempest/common/utils/__init__.py
+++ b/tempest/common/utils/__init__.py
@@ -59,6 +59,7 @@
         # So we should set this True here.
         'identity': True,
         'object_storage': CONF.service_available.swift,
+        'dashboard': CONF.service_available.horizon,
     }
     return service_list
 
diff --git a/tempest/config.py b/tempest/config.py
index 7c4539c..956b593 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -845,6 +845,18 @@
                     'This value will be increased in case of conflict.')
 ]
 
+dashboard_group = cfg.OptGroup(name="dashboard",
+                               title="Dashboard options")
+
+DashboardGroup = [
+    cfg.StrOpt('dashboard_url',
+               default='http://localhost/',
+               help="Where the dashboard can be found"),
+    cfg.BoolOpt('disable_ssl_certificate_validation',
+                default=False,
+                help="Set to True if using self-signed SSL certificates."),
+]
+
 validation_group = cfg.OptGroup(name='validation',
                                 title='SSH Validation options')
 
@@ -1190,6 +1202,9 @@
     cfg.BoolOpt('nova',
                 default=True,
                 help="Whether or not nova is expected to be available"),
+    cfg.BoolOpt('horizon',
+                default=True,
+                help="Whether or not horizon is expected to be available"),
 ]
 
 debug_group = cfg.OptGroup(name="debug",
@@ -1253,6 +1268,7 @@
     (image_feature_group, ImageFeaturesGroup),
     (network_group, NetworkGroup),
     (network_feature_group, NetworkFeaturesGroup),
+    (dashboard_group, DashboardGroup),
     (validation_group, ValidationGroup),
     (volume_group, VolumeGroup),
     (volume_feature_group, VolumeFeaturesGroup),
@@ -1320,6 +1336,7 @@
         self.image_feature_enabled = _CONF['image-feature-enabled']
         self.network = _CONF.network
         self.network_feature_enabled = _CONF['network-feature-enabled']
+        self.dashboard = _CONF.dashboard
         self.validation = _CONF.validation
         self.volume = _CONF.volume
         self.volume_feature_enabled = _CONF['volume-feature-enabled']
diff --git a/tempest/lib/common/dynamic_creds.py b/tempest/lib/common/dynamic_creds.py
index 038528f..220d96c 100644
--- a/tempest/lib/common/dynamic_creds.py
+++ b/tempest/lib/common/dynamic_creds.py
@@ -144,9 +144,9 @@
             # need a different token scope for them.
             if self.default_admin_creds.system:
                 scope = 'system'
-            elif (self.default_admin_creds.domain_id or
-                    self.default_admin_creds.domain_name or
-                    self.identity_admin_domain_scope):
+            elif (self.identity_admin_domain_scope and
+                  (self.default_admin_creds.domain_id or
+                   self.default_admin_creds.domain_name)):
                 scope = 'domain'
             else:
                 scope = 'project'
diff --git a/tempest/lib/common/rest_client.py b/tempest/lib/common/rest_client.py
index b47b511..a987e03 100644
--- a/tempest/lib/common/rest_client.py
+++ b/tempest/lib/common/rest_client.py
@@ -104,16 +104,18 @@
                                        'location', 'proxy-authenticate',
                                        'retry-after', 'server',
                                        'vary', 'www-authenticate'))
-        dscv = disable_ssl_certificate_validation
+        self.dscv = disable_ssl_certificate_validation
 
         if proxy_url:
             self.http_obj = http.ClosingProxyHttp(
                 proxy_url,
-                disable_ssl_certificate_validation=dscv, ca_certs=ca_certs,
+                disable_ssl_certificate_validation=self.dscv,
+                ca_certs=ca_certs,
                 timeout=http_timeout, follow_redirects=follow_redirects)
         else:
             self.http_obj = http.ClosingHttp(
-                disable_ssl_certificate_validation=dscv, ca_certs=ca_certs,
+                disable_ssl_certificate_validation=self.dscv,
+                ca_certs=ca_certs,
                 timeout=http_timeout, follow_redirects=follow_redirects)
 
     def get_headers(self, accept_type=None, send_type=None):
diff --git a/tempest/lib/common/utils/data_utils.py b/tempest/lib/common/utils/data_utils.py
index 44b55eb..b6671b5 100644
--- a/tempest/lib/common/utils/data_utils.py
+++ b/tempest/lib/common/utils/data_utils.py
@@ -169,6 +169,8 @@
     :return: size randomly bytes
     :rtype: string
     """
+    if size > 1 << 20:
+        raise RuntimeError('Size should be less than 1MiB')
     return b''.join([six.int2byte(random.randint(0, 255))
                      for i in range(size)])
 
diff --git a/tempest/lib/services/object_storage/object_client.py b/tempest/lib/services/object_storage/object_client.py
index 383aff6..1d38153 100644
--- a/tempest/lib/services/object_storage/object_client.py
+++ b/tempest/lib/services/object_storage/object_client.py
@@ -12,6 +12,7 @@
 #    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 ssl
 
 from six.moves import http_client as httplib
 from six.moves.urllib import parse as urlparse
@@ -118,7 +119,7 @@
         path = str(parsed.path) + "/"
         path += "%s/%s" % (str(container), str(object_name))
 
-        conn = _create_connection(parsed)
+        conn = self._create_connection(parsed)
         # Send the PUT request and the headers including the "Expect" header
         conn.putrequest('PUT', path)
 
@@ -151,15 +152,20 @@
 
         return resp.status, resp.reason
 
+    def _create_connection(self, parsed_url):
+        """Helper function to create connection with httplib
 
-def _create_connection(parsed_url):
-    """Helper function to create connection with httplib
+        :param parsed_url: parsed url of the remote location
+        """
+        context = None
+        # If CONF.identity.disable_ssl_certificate_validation is true,
+        # do not check ssl certification.
+        if self.dscv:
+            context = ssl._create_unverified_context()
+        if parsed_url.scheme == 'https':
+            conn = httplib.HTTPSConnection(parsed_url.netloc,
+                                           context=context)
+        else:
+            conn = httplib.HTTPConnection(parsed_url.netloc)
 
-    :param parsed_url: parsed url of the remote location
-    """
-    if parsed_url.scheme == 'https':
-        conn = httplib.HTTPSConnection(parsed_url.netloc)
-    else:
-        conn = httplib.HTTPConnection(parsed_url.netloc)
-
-    return conn
+        return conn
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index ce13166..acc563a 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -143,10 +143,20 @@
     # resp part which is not used in scenario tests
 
     def create_port(self, network_id, client=None, **kwargs):
-        """Creates port for the respective network_id"""
+        """Creates port for the respective network_id
+
+        :param network_id: the id of the network
+        :param client: the client to use, defaults to self.ports_client
+        :param kwargs: additional arguments such as:
+            - namestart - a string to generate a name for the port from
+                        - default is self.__class__.__name__
+            - 'binding:vnic_type' - defaults to CONF.network.port_vnic_type
+            - 'binding:profile' - defaults to CONF.network.port_profile
+        """
         if not client:
             client = self.ports_client
-        name = kwargs.pop('namestart', self.__class__.__name__)
+        name = data_utils.rand_name(
+            kwargs.pop('namestart', self.__class__.__name__))
         if CONF.network.port_vnic_type and 'binding:vnic_type' not in kwargs:
             kwargs['binding:vnic_type'] = CONF.network.port_vnic_type
         if CONF.network.port_profile and 'binding:profile' not in kwargs:
@@ -216,6 +226,9 @@
               the port.
               example: port_profile = "capabilities:[switchdev]"
               Defaults to ``CONF.network.port_profile``.
+            * *create_port_body* (``dict``) --
+              This attribute is a dictionary of additional arguments to be
+              passed to create_port method.
         """
 
         # NOTE(jlanoux): As a first step, ssh checks in the scenario
@@ -241,7 +254,7 @@
         # every network
         if vnic_type or profile:
             ports = []
-            create_port_body = {}
+            create_port_body = kwargs.pop('create_port_body', {})
 
             if vnic_type:
                 create_port_body['binding:vnic_type'] = vnic_type
@@ -402,19 +415,17 @@
         self.assertEqual(backup_id, restore['backup_id'])
         return restore
 
-    def rebuild_server(self, server_id, image=None,
-                       preserve_ephemeral=False, wait=True,
-                       rebuild_kwargs=None):
+    def rebuild_server(self, server_id, image=None, preserve_ephemeral=False,
+                       wait=True, **kwargs):
         if image is None:
             image = CONF.compute.image_ref
-        rebuild_kwargs = rebuild_kwargs or {}
         LOG.debug("Rebuilding server (id: %s, image: %s, preserve eph: %s)",
                   server_id, image, preserve_ephemeral)
         self.servers_client.rebuild_server(
             server_id=server_id,
             image_ref=image,
             preserve_ephemeral=preserve_ephemeral,
-            **rebuild_kwargs)
+            **kwargs)
         if wait:
             waiters.wait_for_server_status(self.servers_client,
                                            server_id, 'ACTIVE')
diff --git a/tempest/scenario/test_dashboard_basic_ops.py b/tempest/scenario/test_dashboard_basic_ops.py
new file mode 100644
index 0000000..b1098fa
--- /dev/null
+++ b/tempest/scenario/test_dashboard_basic_ops.py
@@ -0,0 +1,141 @@
+#    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 html.parser
+import ssl
+from urllib import parse
+from urllib import request
+
+from tempest.common import utils
+from tempest import config
+from tempest.lib import decorators
+from tempest import test
+
+CONF = config.CONF
+
+
+class HorizonHTMLParser(html.parser.HTMLParser):
+    csrf_token = None
+    region = None
+    login = None
+
+    def _find_name(self, attrs, name):
+        for attrpair in attrs:
+            if attrpair[0] == 'name' and attrpair[1] == name:
+                return True
+        return False
+
+    def _find_value(self, attrs):
+        for attrpair in attrs:
+            if attrpair[0] == 'value':
+                return attrpair[1]
+        return None
+
+    def _find_attr_value(self, attrs, attr_name):
+        for attrpair in attrs:
+            if attrpair[0] == attr_name:
+                return attrpair[1]
+        return None
+
+    def handle_starttag(self, tag, attrs):
+        if tag == 'input':
+            if self._find_name(attrs, 'csrfmiddlewaretoken'):
+                self.csrf_token = self._find_value(attrs)
+            if self._find_name(attrs, 'region'):
+                self.region = self._find_value(attrs)
+        if tag == 'form':
+            self.login = self._find_attr_value(attrs, 'action')
+
+
+class TestDashboardBasicOps(test.BaseTestCase):
+
+    """The test suite for dashboard basic operations
+
+    This is a basic scenario test:
+    * checks that the login page is available
+    * logs in as a regular user
+    * checks that the user home page loads without error
+    """
+    opener = None
+
+    credentials = ['primary']
+
+    @classmethod
+    def skip_checks(cls):
+        super(TestDashboardBasicOps, cls).skip_checks()
+        if not CONF.service_available.horizon:
+            raise cls.skipException("Horizon support is required")
+
+    @classmethod
+    def setup_credentials(cls):
+        cls.set_network_resources()
+        super(TestDashboardBasicOps, cls).setup_credentials()
+
+    def check_login_page(self):
+        response = self._get_opener().open(CONF.dashboard.dashboard_url).read()
+        self.assertIn("id_username", response.decode("utf-8"))
+
+    def user_login(self, username, password):
+        response = self._get_opener().open(CONF.dashboard.dashboard_url).read()
+
+        # Grab the CSRF token and default region
+        parser = HorizonHTMLParser()
+        parser.feed(response.decode("utf-8"))
+
+        # construct login url for dashboard, discovery accommodates non-/ web
+        # root for dashboard
+        login_url = parse.urljoin(CONF.dashboard.dashboard_url, parser.login)
+
+        # Prepare login form request
+        req = request.Request(login_url)
+        req.add_header('Content-type', 'application/x-www-form-urlencoded')
+        req.add_header('Referer', CONF.dashboard.dashboard_url)
+
+        # Pass the default domain name regardless of the auth version in order
+        # to test the scenario of when horizon is running with keystone v3
+        params = {'username': username,
+                  'password': password,
+                  'region': parser.region,
+                  'domain': CONF.auth.default_credentials_domain_name,
+                  'csrfmiddlewaretoken': parser.csrf_token}
+        self._get_opener().open(req, parse.urlencode(params).encode())
+
+    def check_home_page(self):
+        response = self._get_opener().open(CONF.dashboard.dashboard_url).read()
+        self.assertIn('Overview', response.decode("utf-8"))
+
+    def _get_opener(self):
+        if not self.opener:
+            if (CONF.dashboard.disable_ssl_certificate_validation and
+                    self._ssl_default_context_supported()):
+                ctx = ssl.create_default_context()
+                ctx.check_hostname = False
+                ctx.verify_mode = ssl.CERT_NONE
+                self.opener = request.build_opener(
+                    request.HTTPSHandler(context=ctx),
+                    request.HTTPCookieProcessor())
+            else:
+                self.opener = request.build_opener(
+                    request.HTTPCookieProcessor())
+        return self.opener
+
+    def _ssl_default_context_supported(self):
+        return (hasattr(ssl, 'create_default_context'))
+
+    @decorators.attr(type='smoke')
+    @decorators.idempotent_id('4f8851b1-0e69-482b-b63b-84c6e76f6c80')
+    @utils.services('dashboard')
+    def test_basic_scenario(self):
+        creds = self.os_primary.credentials
+        self.check_login_page()
+        self.user_login(creds.username, creds.password)
+        self.check_home_page()
diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index fc93a5e..6ee9f28 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -30,8 +30,7 @@
     For both LUKS and cryptsetup encryption types, this test performs
     the following:
 
-    * Creates an image in Glance
-    * Boots an instance from the image
+    * Boots an instance from an image (CONF.compute.image_ref)
     * Creates an encryption type (as admin)
     * Creates a volume of that encryption type (as a regular user)
     * Attaches and detaches the encrypted volume to the instance
@@ -44,10 +43,9 @@
             raise cls.skipException('Encrypted volume attach is not supported')
 
     def launch_instance(self):
-        image = self.image_create()
         keypair = self.create_keypair()
 
-        return self.create_server(image_id=image, key_name=keypair['name'])
+        return self.create_server(key_name=keypair['name'])
 
     def attach_detach_volume(self, server, volume):
         attached_volume = self.nova_volume_attach(server, volume)
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 02bc692..60242d5 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -67,7 +67,10 @@
     def verify_metadata(self):
         if self.run_ssh and CONF.compute_feature_enabled.metadata_service:
             # Verify metadata service
-            md_url = 'http://169.254.169.254/latest/meta-data/public-ipv4'
+            if CONF.network.public_network_id:
+                md_url = 'http://169.254.169.254/latest/meta-data/public-ipv4'
+            else:
+                md_url = 'http://169.254.169.254/latest/meta-data/local-ipv4'
 
             def exec_cmd_and_verify_output():
                 cmd = 'curl ' + md_url
diff --git a/tempest/tests/lib/services/object_storage/test_object_client.py b/tempest/tests/lib/services/object_storage/test_object_client.py
index c646d61..d6df243 100644
--- a/tempest/tests/lib/services/object_storage/test_object_client.py
+++ b/tempest/tests/lib/services/object_storage/test_object_client.py
@@ -31,15 +31,18 @@
         self.object_client = object_client.ObjectClient(self.fake_auth,
                                                         'swift', 'region1')
 
-    @mock.patch.object(object_client, '_create_connection')
+    @mock.patch('tempest.lib.services.object_storage.object_client.'
+                'ObjectClient._create_connection')
     def test_create_object_continue_no_data(self, mock_poc):
         self._validate_create_object_continue(None, mock_poc)
 
-    @mock.patch.object(object_client, '_create_connection')
+    @mock.patch('tempest.lib.services.object_storage.object_client.'
+                'ObjectClient._create_connection')
     def test_create_object_continue_with_data(self, mock_poc):
         self._validate_create_object_continue('hello', mock_poc)
 
-    @mock.patch.object(object_client, '_create_connection')
+    @mock.patch('tempest.lib.services.object_storage.object_client.'
+                'ObjectClient._create_connection')
     def test_create_continue_with_no_continue_received(self, mock_poc):
         self._validate_create_object_continue('hello', mock_poc,
                                               initial_status=201)
diff --git a/zuul.d/integrated-gate.yaml b/zuul.d/integrated-gate.yaml
index 4c1ee5a..27bbf64 100644
--- a/zuul.d/integrated-gate.yaml
+++ b/zuul.d/integrated-gate.yaml
@@ -69,6 +69,8 @@
       Former names for this job where:
         * legacy-tempest-dsvm-py35
         * gate-tempest-dsvm-py35
+    required-projects:
+      - openstack/horizon
     vars:
       tox_envlist: full
       devstack_localrc:
@@ -89,6 +91,8 @@
             network-feature-enabled:
               qos_placement_physnet: public
       devstack_services:
+        # Enbale horizon so that we can run horizon test.
+        horizon: true
         s-account: false
         s-container: false
         s-object: false