147 lines
5.5 KiB
Python
147 lines
5.5 KiB
Python
# Copyright 2015: Mirantis Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import functools
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import random
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from osprofiler import profiler
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from rally.common import cfg
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from rally.common.plugin import plugin
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from rally.task import context
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from rally.task import scenario
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from rally_openstack import osclients
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configure = functools.partial(scenario.configure, platform="openstack")
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CONF = cfg.CONF
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@context.add_default_context("users@openstack", {})
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@plugin.default_meta(inherit=False)
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class OpenStackScenario(scenario.Scenario):
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"""Base class for all OpenStack scenarios."""
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def __init__(self, context=None, admin_clients=None, clients=None):
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super(OpenStackScenario, self).__init__(context)
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if context:
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api_info = {}
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if "api_versions@openstack" in context.get("config", {}):
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api_versions = context["config"]["api_versions@openstack"]
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for service in api_versions:
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api_info[service] = {
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"version": api_versions[service].get("version"),
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"service_type": api_versions[service].get(
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"service_type")}
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if admin_clients is None and "admin" in context:
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self._admin_clients = osclients.Clients(
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context["admin"]["credential"], api_info)
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if clients is None:
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if "users" in context and "user" not in context:
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self._choose_user(context)
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if "user" in context:
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self._clients = osclients.Clients(
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context["user"]["credential"], api_info)
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if admin_clients:
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self._admin_clients = admin_clients
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if clients:
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self._clients = clients
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self._init_profiler(context)
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def _choose_user(self, context):
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"""Choose one user from users context
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We are choosing on each iteration one user
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"""
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if context["user_choice_method"] == "random":
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user = random.choice(context["users"])
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tenant = context["tenants"][user["tenant_id"]]
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else:
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# Second and last case - 'round_robin'.
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tenants_amount = len(context["tenants"])
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# NOTE(amaretskiy): iteration is subtracted by `1' because it
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# starts from `1' but we count from `0'
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iteration = context["iteration"] - 1
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tenant_index = int(iteration % tenants_amount)
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tenant_id = sorted(context["tenants"].keys())[tenant_index]
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tenant = context["tenants"][tenant_id]
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users = context["tenants"][tenant_id]["users"]
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user_index = int((iteration / tenants_amount) % len(users))
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user = users[user_index]
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context["user"], context["tenant"] = user, tenant
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def clients(self, client_type, version=None):
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"""Returns a python openstack client of the requested type.
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Only one non-admin user is used per every run of scenario.
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:param client_type: Client type ("nova"/"glance" etc.)
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:param version: client version ("1"/"2" etc.)
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:returns: Standard python OpenStack client instance
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"""
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client = getattr(self._clients, client_type)
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return client(version) if version is not None else client()
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def admin_clients(self, client_type, version=None):
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"""Returns a python admin openstack client of the requested type.
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:param client_type: Client type ("nova"/"glance" etc.)
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:param version: client version ("1"/"2" etc.)
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:returns: Python openstack client object
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"""
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client = getattr(self._admin_clients, client_type)
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return client(version) if version is not None else client()
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def _init_profiler(self, context):
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"""Inits the profiler."""
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if not CONF.openstack.enable_profiler:
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return
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if context is not None:
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profiler_hmac_key = None
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profiler_conn_str = None
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if context.get("admin"):
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cred = context["admin"]["credential"]
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if cred.profiler_hmac_key is not None:
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profiler_hmac_key = cred.profiler_hmac_key
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profiler_conn_str = cred.profiler_conn_str
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if context.get("user"):
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cred = context["user"]["credential"]
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if cred.profiler_hmac_key is not None:
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profiler_hmac_key = cred.profiler_hmac_key
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profiler_conn_str = cred.profiler_conn_str
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if profiler_hmac_key is None:
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return
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profiler.init(profiler_hmac_key)
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trace_id = profiler.get().get_base_id()
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complete_data = {"title": "OSProfiler Trace-ID",
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"chart_plugin": "OSProfiler",
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"data": {"trace_id": [trace_id],
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"conn_str": profiler_conn_str}}
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self.add_output(complete=complete_data)
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