trove/trove/tests/util/__init__.py

305 lines
10 KiB
Python

# Copyright (c) 2011 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""
:mod:`tests` -- Utility methods for tests.
===================================
.. automodule:: utils
:platform: Unix
:synopsis: Tests for Nova.
"""
import subprocess
try:
EVENT_AVAILABLE = True
except ImportError:
EVENT_AVAILABLE = False
from proboscis.asserts import assert_true
from proboscis.asserts import Check
from proboscis.asserts import fail
from proboscis import SkipTest
from six.moves.urllib.parse import unquote
from sqlalchemy import create_engine
from troveclient.compat import Dbaas
from trove.common import cfg
from trove.common.utils import import_class
from trove.common.utils import import_object
from trove.tests.config import CONFIG as test_config
from trove.tests.util.client import TestClient
from trove.tests.util import test_config as CONFIG
from trove.tests.util.users import Requirements
WHITE_BOX = test_config.white_box
CONF = cfg.CONF
def create_client(*args, **kwargs):
"""
Using the User Requirements as arguments, finds a user and grabs a new
DBAAS client.
"""
reqs = Requirements(*args, **kwargs)
user = test_config.users.find_user(reqs)
return create_dbaas_client(user)
def create_dbaas_client(user):
"""Creates a rich client for the Trove API using the test config."""
auth_strategy = None
kwargs = {
'service_type': 'database',
'insecure': test_config.values['trove_client_insecure'],
}
def set_optional(kwargs_name, test_conf_name):
value = test_config.values.get(test_conf_name, None)
if value is not None:
kwargs[kwargs_name] = value
force_url = 'override_trove_api_url' in test_config.values
service_url = test_config.get('override_trove_api_url', None)
if user.requirements.is_admin:
service_url = test_config.get('override_admin_trove_api_url',
service_url)
if service_url:
kwargs['service_url'] = service_url
auth_strategy = None
if user.requirements.is_admin:
auth_strategy = test_config.get('admin_auth_strategy',
test_config.auth_strategy)
else:
auth_strategy = test_config.auth_strategy
set_optional('region_name', 'trove_client_region_name')
if test_config.values.get('override_trove_api_url_append_tenant',
False):
kwargs['service_url'] += "/" + user.tenant
if auth_strategy == 'fake':
from troveclient.compat import auth
class FakeAuth(auth.Authenticator):
def authenticate(self):
class FakeCatalog(object):
def __init__(self, auth):
self.auth = auth
def get_public_url(self):
return "%s/%s" % (test_config.dbaas_url,
self.auth.tenant)
def get_token(self):
return self.auth.tenant
return FakeCatalog(self)
auth_strategy = FakeAuth
if auth_strategy:
kwargs['auth_strategy'] = auth_strategy
if not user.requirements.is_admin:
auth_url = test_config.trove_auth_url
else:
auth_url = test_config.values.get('trove_admin_auth_url',
test_config.trove_auth_url)
if test_config.values.get('trove_client_cls'):
cls_name = test_config.trove_client_cls
kwargs['client_cls'] = import_class(cls_name)
dbaas = Dbaas(user.auth_user, user.auth_key, tenant=user.tenant,
auth_url=auth_url, **kwargs)
dbaas.authenticate()
with Check() as check:
check.is_not_none(dbaas.client.auth_token, "Auth token not set!")
if not force_url and user.requirements.is_admin:
expected_prefix = test_config.dbaas_url
actual = dbaas.client.service_url
msg = "Dbaas management url was expected to start with %s, but " \
"was %s." % (expected_prefix, actual)
check.true(actual.startswith(expected_prefix), msg)
return TestClient(dbaas)
def create_nova_client(user, service_type=None):
"""Creates a rich client for the Nova API using the test config."""
if test_config.nova_client is None:
raise SkipTest("No nova_client info specified in the Test Config "
"so this test will be skipped.")
from novaclient.client import Client
if not service_type:
service_type = test_config.nova_client['nova_service_type']
openstack = Client(CONF.nova_client_version,
username=user.auth_user,
password=user.auth_key,
user_domain_name='Default',
project_id=user.tenant_id,
auth_url=test_config.nova_client['auth_url'],
service_type=service_type, os_cache=False,
cacert=test_config.values.get('cacert', None))
return TestClient(openstack)
def create_glance_client(user):
"""Creates a rich client for the Glance API using the test config."""
if test_config.glance_client is None:
raise SkipTest("No glance_client info specified in the Test Config "
"so this test will be skipped.")
from glanceclient import Client
from keystoneauth1.identity import v3
from keystoneauth1 import session
auth = v3.Password(username=user.auth_user,
password=user.auth_key,
user_domain_name='Default',
project_id=user.tenant_id,
auth_url=test_config.glance_client['auth_url'])
session = session.Session(auth=auth)
glance = Client(CONF.glance_client_version, session=session)
return TestClient(glance)
def dns_checker(mgmt_instance):
"""Given a MGMT instance, ensures DNS provisioning worked.
Uses a helper class which, given a mgmt instance (returned by the mgmt
API) can confirm that the DNS record provisioned correctly.
"""
if CONFIG.values.get('trove_dns_checker') is not None:
checker = import_class(CONFIG.trove_dns_checker)
checker()(mgmt_instance)
else:
raise SkipTest("Can't access DNS system to check if DNS provisioned.")
def process(cmd):
process = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
result = process.communicate()
return result
def string_in_list(str, substr_list):
"""Returns True if the string appears in the list."""
return any([str.find(x) >= 0 for x in substr_list])
def unquote_user_host(user_hostname):
unquoted = unquote(user_hostname)
if '@' not in unquoted:
return unquoted, '%'
if unquoted.endswith('@'):
return unquoted, '%'
splitup = unquoted.split('@')
host = splitup[-1]
user = '@'.join(splitup[:-1])
return user, host
def iso_time(time_string):
"""Return a iso formated datetime: 2013-04-15T19:50:23Z."""
ts = time_string.replace(' ', 'T')
try:
micro = ts.rindex('.')
ts = ts[:micro]
except ValueError:
pass
return '%sZ' % ts
def assert_contains(exception_message, substrings):
for substring in substrings:
assert_true(substring in exception_message,
message="'%s' not in '%s'"
% (substring, exception_message))
# TODO(dukhlov): Still required by trove integration
# Should be removed after trove integration fix
# https://bugs.launchpad.net/trove-integration/+bug/1228306
# TODO(cp16net): DO NOT USE needs to be removed
def mysql_connection():
cls = CONFIG.get('mysql_connection',
"local.MySqlConnection")
if cls == "local.MySqlConnection":
return MySqlConnection()
return import_object(cls)()
class MySqlConnection(object):
def assert_fails(self, ip, user_name, password):
from trove.tests.util import mysql
try:
with mysql.create_mysql_connection(ip, user_name, password):
pass
fail("Should have failed to connect: mysql --host %s -u %s -p%s"
% (ip, user_name, password))
except mysql.MySqlPermissionsFailure:
return # Good, this is what we wanted.
except mysql.MySqlConnectionFailure as mcf:
fail("Expected to see permissions failure. Instead got message:"
"%s" % mcf.message)
def create(self, ip, user_name, password):
from trove.tests.util import mysql
return mysql.create_mysql_connection(ip, user_name, password)
class LocalSqlClient(object):
"""A sqlalchemy wrapper to manage transactions."""
def __init__(self, engine, use_flush=True):
self.engine = engine
self.use_flush = use_flush
def __enter__(self):
self.conn = self.engine.connect()
self.trans = self.conn.begin()
return self.conn
def __exit__(self, type, value, traceback):
if self.trans:
if type is not None: # An error occurred
self.trans.rollback()
else:
if self.use_flush:
self.conn.execute(FLUSH)
self.trans.commit()
self.conn.close()
def execute(self, t, **kwargs):
try:
return self.conn.execute(t, kwargs)
except Exception:
self.trans.rollback()
self.trans = None
raise
@staticmethod
def init_engine(user, password, host):
return create_engine("mysql+pymysql://%s:%s@%s:3306" %
(user, password, host),
pool_recycle=1800, echo=True)