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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 resources 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 resources
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 tempest.lib.common.utils import data_utils
from xtesting.core import testcase
from functest.utils import config
from functest.utils import env
from functest.utils import functest_utils
class NewProject():
"""Ease creating new projects/users"""
# pylint: disable=too-many-instance-attributes
__logger = logging.getLogger(__name__)
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_name = None
self.default_member = env.get('NEW_USER_ROLE')
def create(self):
"""Create projects/users"""
assert self.orig_cloud
assert self.case_name
self.password = data_utils.rand_password().replace('%', '!')
self.__logger.debug("password: %s", self.password)
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[:18], 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:
if self.orig_cloud.get_role(self.default_member):
self.role_name = self.default_member
elif self.orig_cloud.get_role(self.default_member.lower()):
self.role_name = self.default_member.lower()
else:
raise Exception("Cannot detect {}".format(self.default_member))
except Exception: # pylint: disable=broad-except
self.__logger.info("Creating default role %s", self.default_member)
role = self.orig_cloud.create_role(self.default_member)
self.role_name = role.name
self.__logger.debug("role: %s", role)
self.orig_cloud.grant_role(
self.role_name, 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']['project_id'] = self.project.id
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 get_environ(self):
"Get new environ"
environ = dict(
os.environ,
OS_USERNAME=self.user.name,
OS_PROJECT_NAME=self.project.name,
OS_PROJECT_ID=self.project.id,
OS_PASSWORD=self.password)
try:
del environ['OS_TENANT_NAME']
del environ['OS_TENANT_ID']
except Exception: # pylint: disable=broad-except
pass
return environ
def clean(self):
"""Remove projects/users"""
try:
assert self.orig_cloud
if self.user:
self.orig_cloud.delete_user(self.user.id)
if self.project:
self.orig_cloud.delete_project(self.project.id)
secgroups = self.orig_cloud.list_security_groups(
filters={'name': 'default',
'project_id': self.project.id})
if secgroups:
sec_id = secgroups[0].id
self.orig_cloud.delete_security_group(sec_id)
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot clean all resources")
class TenantNetwork1(testcase.TestCase):
# pylint: disable=too-many-instance-attributes
"""Create a tenant network (scenario1)
It creates and configures all tenant network resources 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 = '192.168.120.0/24'
shared_network = False
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = 'tenantnetwork1'
super(TenantNetwork1, self).__init__(**kwargs)
self.dir_results = os.path.join(getattr(config.CONF, 'dir_results'))
self.res_dir = os.path.join(self.dir_results, self.case_name)
self.output_log_name = 'functest.log'
self.output_debug_log_name = 'functest.debug.log'
self.ext_net = None
try:
cloud_config = os_client_config.get_config()
self.cloud = self.orig_cloud = shade.OpenStackCloud(
cloud_config=cloud_config)
except Exception: # pylint: disable=broad-except
self.cloud = self.orig_cloud = None
self.__logger.exception("Cannot connect to Cloud")
if env.get('NO_TENANT_NETWORK').lower() != 'true':
try:
self.ext_net = self.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
@staticmethod
def get_external_network(cloud):
"""
Return the configured external network name or
the first retrieved external network name
"""
assert cloud
if env.get("EXTERNAL_NETWORK"):
network = cloud.get_network(
env.get("EXTERNAL_NETWORK"), {"router:external": True})
if network:
return network
networks = cloud.list_networks({"router:external": True})
if networks:
return networks[0]
return None
@staticmethod
def get_default_role(cloud, member="Member"):
"""Get the default role
It also tests the role in lowercase to avoid possible conflicts.
"""
role = cloud.get_role(member)
if not role:
role = cloud.get_role(member.lower())
return role
@staticmethod
def get_public_auth_url(cloud):
"""Get Keystone public endpoint"""
keystone_id = functest_utils.search_services(cloud, 'keystone')[0].id
endpoint = cloud.search_endpoints(
filters={'interface': 'public',
'service_id': keystone_id})[0].url
return endpoint
def create_network_resources(self):
"""Create all tenant network resources
It creates a router which gateway is the external network detected.
The new subnet is attached to that router.
Raises: expection on error
"""
assert self.cloud
if env.get('NO_TENANT_NETWORK').lower() != 'true':
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))
domain = self.orig_cloud.get_domain(
name_or_id=self.orig_cloud.auth.get(
"project_domain_name", "Default"))
project = self.orig_cloud.get_project(
self.cloud.auth['project_name'],
domain_id=domain.id)
self.network = self.orig_cloud.create_network(
'{}-net_{}'.format(self.case_name, self.guid),
provider=provider, project_id=project.id,
shared=self.shared_network)
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 if self.ext_net else None)
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()
if env.get('NO_TENANT_NETWORK').lower() != 'true':
self.create_network_resources()
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
if self.router:
if self.subnet:
self.cloud.remove_router_interface(
self.router, self.subnet.id)
self.cloud.delete_router(self.router.id)
if self.subnet:
self.cloud.delete_subnet(self.subnet.id)
if self.network:
self.cloud.delete_network(self.network.id)
except Exception: # pylint: disable=broad-except
self.__logger.exception("cannot clean all resources")
class TenantNetwork2(TenantNetwork1):
"""Create a tenant network (scenario2)
It creates new user/project before creating and configuring all tenant
network resources 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 resources")
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