Openstack: Using VSPERF to Test on Openstack.

This patch will support running VSPERF Tests with Openstack.
This patch adds the following:
1. Provide --openstack parameter.
2. New Configuration file for openstack
3. Deploy Trafficgenerator based on configuration provided
4. Run Tests after Trafficgenerator are deployed on openstack

Update-1: Minor bug-fixes and Documentation Added.
Update-2: Add user-config to heat.
Update-3: Update Python Requirements
Update-4: Add dogpile
Update-5: Update decription of the Hot files.

Signed-off-by: Sridhar K. N. Rao <sridhar.rao@spirent.com>
Change-Id: Iebec356eb893e0e6726cac6a10537b99e41f67f4

1 files changed, 82 insertions, 0 deletions

diff --git a/tools/os_deploy_tgen/osclients/openstack.py b/tools/os_deploy_tgen/osclients/openstack.py
new file mode 100644
index 00000000..58297e6c
--- /dev/null
+++ b/tools/os_deploy_tgen/osclients/openstack.py
@@ -0,0 +1,82 @@
+# Copyright (c) 2020 Mirantis Inc.
+#
+# 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.
+
+"""
+Openstack Client - Main File
+"""
+
+import os_client_config
+from oslo_log import log as logging
+from oslo_utils import importutils
+
+LOG = logging.getLogger(__name__)
+
+
+class OpenStackClientException(Exception):
+    '''
+    Custom Exception
+    '''
+
+
+def init_profiling(os_profile):
+    """
+    Initialize Profiling
+    """
+    if os_profile:
+        osprofiler_profiler = importutils.try_import("osprofiler.profiler")
+
+        if osprofiler_profiler:  # lib is present
+            osprofiler_profiler.init(os_profile)
+            trace_id = osprofiler_profiler.get().get_base_id()
+            LOG.info('Profiling is enabled, trace id: %s', trace_id)
+        else:  # param is set, but lib is not present
+            LOG.warning('Profiling could not be enabled. To enable profiling '
+                        'please install "osprofiler" library')
+
+
+class OpenStackClient():
+    """
+    Client Class
+    """
+    def __init__(self, openstack_params):
+        """
+        Initialize
+        """
+        LOG.debug('Establishing connection to OpenStack')
+
+        init_profiling(openstack_params.get('os_profile'))
+
+        config = os_client_config.OpenStackConfig()
+        cloud_config = config.get_one_cloud(**openstack_params)
+        if openstack_params['os_insecure']:
+            cloud_config.config['verify'] = False
+            cloud_config.config['cacert'] = None
+        self.keystone_session = cloud_config.get_session()
+        self.nova = cloud_config.get_legacy_client('compute')
+        self.neutron = cloud_config.get_legacy_client('network')
+        self.glance = cloud_config.get_legacy_client('image')
+
+        # heat client wants endpoint to be always set
+        endpoint = cloud_config.get_session_endpoint('orchestration')
+        if not endpoint:
+            raise OpenStackClientException(
+                'Endpoint for orchestration service is not found')
+        self.heat = cloud_config.get_legacy_client('orchestration',
+                                                   endpoint=endpoint)
+
+        # Ping OpenStack
+        self.keystone_session.get_token()
+
+        LOG.info('Connection to OpenStack is initialized')