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#!/usr/bin/env python
# Copyright (c) 2018 Orange and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
"""Ease deploying tenant networks
It offers a simple way to create all tenant network ressources required by a
testcase (including all Functest ones):
- TenantNetwork1 selects the user and the project set as env vars
- TenantNetwork2 creates a user and project to isolate the same ressources
This classes could be reused by more complexed scenarios (Single VM)
"""
import logging
import os
import time
import uuid
import os_client_config
import shade
from xtesting.core import testcase
from functest.utils import config
from functest.utils import env
from functest.utils import functest_utils
class NewProject(object):
"""Ease creating new projects/users"""
# pylint: disable=too-many-instance-attributes
__logger = logging.getLogger(__name__)
default_member = "Member"
def __init__(self, cloud, case_name, guid):
self.cloud = None
self.orig_cloud = cloud
self.case_name = case_name
self.guid = guid
self.project = None
self.user = None
self.password = None
self.domain = None
self.role = None
def create(self):
"""Create projects/users"""
assert self.orig_cloud
assert self.case_name
self.password = str(uuid.uuid4())
self.domain = self.orig_cloud.get_domain(
name_or_id=self.orig_cloud.auth.get(
"project_domain_name", "Default"))
self.project = self.orig_cloud.create_project(
name='{}-project_{}'.format(self.case_name, self.guid),
description="Created by OPNFV Functest: {}".format(
self.case_name),
domain_id=self.domain.id)
self.__logger.debug("project: %s", self.project)
self.user = self.orig_cloud.create_user(
name='{}-user_{}'.format(self.case_name, self.guid),
password=self.password,
domain_id=self.domain.id)
self.__logger.debug("user: %s", self.user)
try:
assert self.orig_cloud.get_role(self.default_member)
except Exception: # pylint: disable=broad-except
self.__logger.info("Creating default role %s", self.default_member)
self.role = self.orig_cloud.create_role(self.default_member)
self.__logger.debug("role: %s", self.role)
self.orig_cloud.grant_role(
self.default_member, user=self.user.id, project=self.project.id,
domain=self.domain.id)
osconfig = os_client_config.config.OpenStackConfig()
osconfig.cloud_config[
'clouds']['envvars']['project_name'] = self.project.name
osconfig.cloud_config['clouds']['envvars']['username'] = self.user.name
osconfig.cloud_config['clouds']['envvars']['password'] = self.password
self.__logger.debug("cloud_config %s", osconfig.cloud_config)
self.cloud = shade.OpenStackCloud(
cloud_config=osconfig.get_one_cloud())
self.__logger.debug("new cloud %s", self.cloud.auth)
def clean(self):
"""Remove projects/users"""
try:
assert self.orig_cloud
assert self.user.id
assert self.project.id
self.orig_cloud.delete_user(self.user.id)
self.orig_cloud.delete_project(self.project.id)
if self.role:
self.orig_cloud.delete_role(self.role.id)
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot clean all ressources")
class TenantNetwork1(testcase.TestCase):
# pylint: disable=too-many-instance-attributes
"""Create a tenant network (scenario1)
It creates and configures all tenant network ressources required by
advanced testcases (subnet, network and router).
It ensures that all testcases inheriting from TenantNetwork1 could work
without network specific configurations (or at least read the same config
data).
"""
__logger = logging.getLogger(__name__)
cidr = '192.168.0.0/24'
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = 'tenantnetwork1'
super(TenantNetwork1, self).__init__(**kwargs)
self.res_dir = os.path.join(
getattr(config.CONF, 'dir_results'), self.case_name)
try:
cloud_config = os_client_config.get_config()
self.cloud = shade.OpenStackCloud(cloud_config=cloud_config)
except Exception: # pylint: disable=broad-except
self.cloud = None
self.ext_net = None
self.__logger.exception("Cannot connect to Cloud")
try:
self.ext_net = functest_utils.get_external_network(self.cloud)
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot get the external network")
self.guid = str(uuid.uuid4())
self.network = None
self.subnet = None
self.router = None
def _create_network_ressources(self):
assert self.cloud
assert self.ext_net
provider = {}
if hasattr(config.CONF, '{}_network_type'.format(self.case_name)):
provider["network_type"] = getattr(
config.CONF, '{}_network_type'.format(self.case_name))
if hasattr(config.CONF, '{}_physical_network'.format(self.case_name)):
provider["physical_network"] = getattr(
config.CONF, '{}_physical_network'.format(self.case_name))
if hasattr(config.CONF, '{}_segmentation_id'.format(self.case_name)):
provider["segmentation_id"] = getattr(
config.CONF, '{}_segmentation_id'.format(self.case_name))
self.network = self.cloud.create_network(
'{}-net_{}'.format(self.case_name, self.guid),
provider=provider)
self.__logger.debug("network: %s", self.network)
self.subnet = self.cloud.create_subnet(
self.network.id,
subnet_name='{}-subnet_{}'.format(self.case_name, self.guid),
cidr=getattr(
config.CONF, '{}_private_subnet_cidr'.format(self.case_name),
self.cidr),
enable_dhcp=True,
dns_nameservers=[env.get('NAMESERVER')])
self.__logger.debug("subnet: %s", self.subnet)
self.router = self.cloud.create_router(
name='{}-router_{}'.format(self.case_name, self.guid),
ext_gateway_net_id=self.ext_net.id)
self.__logger.debug("router: %s", self.router)
self.cloud.add_router_interface(self.router, subnet_id=self.subnet.id)
def run(self, **kwargs):
status = testcase.TestCase.EX_RUN_ERROR
try:
assert self.cloud
self.start_time = time.time()
self._create_network_ressources()
self.result = 100
status = testcase.TestCase.EX_OK
except Exception: # pylint: disable=broad-except
self.__logger.exception('Cannot run %s', self.case_name)
finally:
self.stop_time = time.time()
return status
def clean(self):
try:
assert self.cloud
self.cloud.remove_router_interface(self.router, self.subnet.id)
self.cloud.delete_router(self.router.id)
self.cloud.delete_subnet(self.subnet.id)
self.cloud.delete_network(self.network.id)
except Exception: # pylint: disable=broad-except
self.__logger.exception("cannot clean all ressources")
class TenantNetwork2(TenantNetwork1):
"""Create a tenant network (scenario2)
It creates new user/project before creating and configuring all tenant
network ressources required by a testcase (subnet, network and router).
It ensures that all testcases inheriting from TenantNetwork2 could work
without network specific configurations (or at least read the same config
data).
"""
__logger = logging.getLogger(__name__)
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = 'tenantnetwork2'
super(TenantNetwork2, self).__init__(**kwargs)
try:
assert self.cloud
self.project = NewProject(
self.cloud, self.case_name, self.guid)
self.project.create()
self.cloud = self.project.cloud
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot create user or project")
self.cloud = None
self.project = None
def clean(self):
try:
super(TenantNetwork2, self).clean()
assert self.project
self.project.clean()
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot clean all ressources")
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