332 lines
14 KiB
Python
332 lines
14 KiB
Python
# Copyright 2017: 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 os
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import re
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from rally.common import logging
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from rally import exceptions
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from rally.task import utils as task_utils
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from rally.verification import context
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from rally.verification import utils
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import requests
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from six.moves import configparser
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from rally_openstack.services.image import image
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from rally_openstack.verification.tempest import config as conf
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from rally_openstack.wrappers import network
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LOG = logging.getLogger(__name__)
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@context.configure("tempest", order=900)
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class TempestContext(context.VerifierContext):
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"""Context class to create/delete resources needed for Tempest."""
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RESOURCE_NAME_FORMAT = "rally_verify_XXXXXXXX_XXXXXXXX"
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def __init__(self, ctx):
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super(TempestContext, self).__init__(ctx)
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creds = self.verifier.deployment.get_credentials_for("openstack")
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self.clients = creds["admin"].clients()
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self.available_services = self.clients.services().values()
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self.conf = configparser.ConfigParser()
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self.conf_path = self.verifier.manager.configfile
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self.data_dir = self.verifier.manager.home_dir
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self.image_name = "tempest-image"
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self._created_roles = []
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self._created_images = []
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self._created_flavors = []
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self._created_networks = []
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def setup(self):
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self.conf.read(self.conf_path)
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utils.create_dir(self.data_dir)
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self._create_tempest_roles()
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self._configure_option("DEFAULT", "log_file",
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os.path.join(self.data_dir, "tempest.log"))
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self._configure_option("oslo_concurrency", "lock_path",
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os.path.join(self.data_dir, "lock_files"))
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self._configure_option("scenario", "img_dir", self.data_dir)
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self._configure_option("scenario", "img_file", self.image_name,
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helper_method=self._download_image)
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self._configure_option("compute", "image_ref",
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helper_method=self._discover_or_create_image)
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self._configure_option("compute", "image_ref_alt",
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helper_method=self._discover_or_create_image)
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self._configure_option("compute", "flavor_ref",
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helper_method=self._discover_or_create_flavor,
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flv_ram=conf.CONF.openstack.flavor_ref_ram)
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self._configure_option("compute", "flavor_ref_alt",
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helper_method=self._discover_or_create_flavor,
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flv_ram=conf.CONF.openstack.flavor_ref_alt_ram)
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if "neutron" in self.available_services:
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neutronclient = self.clients.neutron()
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if neutronclient.list_networks(shared=True)["networks"]:
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# If the OpenStack cloud has some shared networks, we will
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# create our own shared network and specify its name in the
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# Tempest config file. Such approach will allow us to avoid
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# failures of Tempest tests with error "Multiple possible
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# networks found". Otherwise the default behavior defined in
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# Tempest will be used and Tempest itself will manage network
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# resources.
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LOG.debug("Shared networks found. "
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"'fixed_network_name' option should be configured.")
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self._configure_option(
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"compute", "fixed_network_name",
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helper_method=self._create_network_resources)
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if "heat" in self.available_services:
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self._configure_option(
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"orchestration", "instance_type",
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helper_method=self._discover_or_create_flavor,
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flv_ram=conf.CONF.openstack.heat_instance_type_ram)
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with open(self.conf_path, "w") as configfile:
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self.conf.write(configfile)
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def cleanup(self):
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# Tempest tests may take more than 1 hour and we should remove all
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# cached clients sessions to avoid tokens expiration when deleting
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# Tempest resources.
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self.clients.clear()
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self._cleanup_tempest_roles()
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self._cleanup_images()
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self._cleanup_flavors()
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if "neutron" in self.available_services:
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self._cleanup_network_resources()
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with open(self.conf_path, "w") as configfile:
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self.conf.write(configfile)
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def _create_tempest_roles(self):
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keystoneclient = self.clients.verified_keystone()
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roles = [conf.CONF.openstack.swift_operator_role,
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conf.CONF.openstack.swift_reseller_admin_role,
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conf.CONF.openstack.heat_stack_owner_role,
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conf.CONF.openstack.heat_stack_user_role]
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existing_roles = set(role.name for role in keystoneclient.roles.list())
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for role in roles:
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if role not in existing_roles:
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LOG.debug("Creating role '%s'." % role)
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self._created_roles.append(keystoneclient.roles.create(role))
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def _configure_option(self, section, option, value=None,
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helper_method=None, *args, **kwargs):
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option_value = self.conf.get(section, option)
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if not option_value:
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LOG.debug("Option '%s' from '%s' section is not configured."
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% (option, section))
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if helper_method:
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res = helper_method(*args, **kwargs)
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if res:
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value = res["name"] if "network" in option else res.id
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LOG.debug("Setting value '%s' to option '%s'." % (value, option))
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self.conf.set(section, option, value)
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LOG.debug("Option '{opt}' is configured. "
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"{opt} = {value}".format(opt=option, value=value))
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else:
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LOG.debug("Option '{opt}' is already configured "
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"in Tempest config file. {opt} = {opt_val}"
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.format(opt=option, opt_val=option_value))
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def _discover_image(self):
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LOG.debug("Trying to discover a public image with name matching "
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"regular expression '%s'. Note that case insensitive "
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"matching is performed."
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% conf.CONF.openstack.img_name_regex)
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image_service = image.Image(self.clients)
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images = image_service.list_images(status="active",
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visibility="public")
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for image_obj in images:
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if image_obj.name and re.match(conf.CONF.openstack.img_name_regex,
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image_obj.name, re.IGNORECASE):
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LOG.debug("The following public image discovered: '%s'."
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% image_obj.name)
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return image_obj
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LOG.debug("There is no public image with name matching regular "
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"expression '%s'." % conf.CONF.openstack.img_name_regex)
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def _download_image_from_source(self, target_path, image=None):
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if image:
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LOG.debug("Downloading image '%s' from Glance to %s."
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% (image.name, target_path))
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with open(target_path, "wb") as image_file:
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for chunk in self.clients.glance().images.data(image.id):
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image_file.write(chunk)
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else:
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LOG.debug("Downloading image from %s to %s."
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% (conf.CONF.openstack.img_url, target_path))
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try:
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response = requests.get(conf.CONF.openstack.img_url,
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stream=True)
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except requests.ConnectionError as err:
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msg = ("Failed to download image. Possibly there is no "
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"connection to Internet. Error: %s."
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% (str(err) or "unknown"))
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raise exceptions.RallyException(msg)
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if response.status_code == 200:
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with open(target_path, "wb") as image_file:
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for chunk in response.iter_content(chunk_size=1024):
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if chunk: # filter out keep-alive new chunks
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image_file.write(chunk)
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image_file.flush()
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else:
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if response.status_code == 404:
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msg = "Failed to download image. Image was not found."
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else:
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msg = ("Failed to download image. HTTP error code %d."
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% response.status_code)
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raise exceptions.RallyException(msg)
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LOG.debug("The image has been successfully downloaded!")
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def _download_image(self):
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image_path = os.path.join(self.data_dir, self.image_name)
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if os.path.isfile(image_path):
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LOG.debug("Image is already downloaded to %s." % image_path)
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return
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if conf.CONF.openstack.img_name_regex:
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image = self._discover_image()
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if image:
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return self._download_image_from_source(image_path, image)
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self._download_image_from_source(image_path)
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def _discover_or_create_image(self):
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if conf.CONF.openstack.img_name_regex:
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image_obj = self._discover_image()
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if image_obj:
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LOG.debug("Using image '%s' (ID = %s) for the tests."
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% (image_obj.name, image_obj.id))
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return image_obj
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params = {
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"image_name": self.generate_random_name(),
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"disk_format": conf.CONF.openstack.img_disk_format,
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"container_format": conf.CONF.openstack.img_container_format,
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"image_location": os.path.join(self.data_dir, self.image_name),
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"visibility": "public"
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}
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LOG.debug("Creating image '%s'." % params["image_name"])
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image_service = image.Image(self.clients)
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image_obj = image_service.create_image(**params)
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LOG.debug("Image '%s' (ID = %s) has been successfully created!"
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% (image_obj.name, image_obj.id))
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self._created_images.append(image_obj)
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return image_obj
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def _discover_or_create_flavor(self, flv_ram):
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novaclient = self.clients.nova()
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LOG.debug("Trying to discover a flavor with the following "
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"properties: RAM = %dMB, VCPUs = 1, disk = 0GB." % flv_ram)
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for flavor in novaclient.flavors.list():
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if (flavor.ram == flv_ram and
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flavor.vcpus == 1 and flavor.disk == 0):
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LOG.debug("The following flavor discovered: '{0}'. "
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"Using flavor '{0}' (ID = {1}) for the tests."
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.format(flavor.name, flavor.id))
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return flavor
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LOG.debug("There is no flavor with the mentioned properties.")
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params = {
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"name": self.generate_random_name(),
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"ram": flv_ram,
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"vcpus": 1,
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"disk": 0
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}
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LOG.debug("Creating flavor '%s' with the following properties: RAM "
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"= %dMB, VCPUs = 1, disk = 0GB." % (params["name"], flv_ram))
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flavor = novaclient.flavors.create(**params)
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LOG.debug("Flavor '%s' (ID = %s) has been successfully created!"
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% (flavor.name, flavor.id))
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self._created_flavors.append(flavor)
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return flavor
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def _create_network_resources(self):
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neutron_wrapper = network.NeutronWrapper(self.clients, self)
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tenant_id = self.clients.keystone.auth_ref.project_id
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LOG.debug("Creating network resources: network, subnet, router.")
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net = neutron_wrapper.create_network(
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tenant_id, subnets_num=1, add_router=True,
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network_create_args={"shared": True})
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LOG.debug("Network resources have been successfully created!")
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self._created_networks.append(net)
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return net
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def _cleanup_tempest_roles(self):
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keystoneclient = self.clients.keystone()
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for role in self._created_roles:
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LOG.debug("Deleting role '%s'." % role.name)
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keystoneclient.roles.delete(role.id)
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LOG.debug("Role '%s' has been deleted." % role.name)
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def _cleanup_images(self):
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image_service = image.Image(self.clients)
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for image_obj in self._created_images:
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LOG.debug("Deleting image '%s'." % image_obj.name)
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self.clients.glance().images.delete(image_obj.id)
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task_utils.wait_for_status(
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image_obj, ["deleted", "pending_delete"],
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check_deletion=True,
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update_resource=image_service.get_image,
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timeout=conf.CONF.openstack.glance_image_delete_timeout,
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check_interval=conf.CONF.openstack.
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glance_image_delete_poll_interval)
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LOG.debug("Image '%s' has been deleted." % image_obj.name)
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self._remove_opt_value_from_config("compute", image_obj.id)
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def _cleanup_flavors(self):
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novaclient = self.clients.nova()
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for flavor in self._created_flavors:
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LOG.debug("Deleting flavor '%s'." % flavor.name)
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novaclient.flavors.delete(flavor.id)
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LOG.debug("Flavor '%s' has been deleted." % flavor.name)
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self._remove_opt_value_from_config("compute", flavor.id)
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self._remove_opt_value_from_config("orchestration", flavor.id)
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def _cleanup_network_resources(self):
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neutron_wrapper = network.NeutronWrapper(self.clients, self)
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for net in self._created_networks:
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LOG.debug("Deleting network resources: router, subnet, network.")
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neutron_wrapper.delete_network(net)
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self._remove_opt_value_from_config("compute", net["name"])
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LOG.debug("Network resources have been deleted.")
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def _remove_opt_value_from_config(self, section, opt_value):
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for option, value in self.conf.items(section):
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if opt_value == value:
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LOG.debug("Removing value '%s' of option '%s' "
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"from Tempest config file." % (opt_value, option))
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self.conf.set(section, option, "")
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LOG.debug("Value '%s' has been removed." % opt_value)
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