/usr/lib/python3/dist-packages/gnocchi/tests/base.py is in python3-gnocchi 4.2.0-0ubuntu5.
This file is owned by root:root, with mode 0o644.
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#
# Copyright © 2014-2016 eNovance
#
# 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.
import functools
import json
import logging
import os
import subprocess
import threading
import uuid
import daiquiri
import fixtures
import numpy
import six
from six.moves.urllib.parse import unquote
try:
from swiftclient import exceptions as swexc
except ImportError:
swexc = None
from testtools import testcase
from gnocchi import archive_policy
from gnocchi.cli import metricd
from gnocchi import exceptions
from gnocchi import incoming
from gnocchi import indexer
from gnocchi import service
from gnocchi import storage
from gnocchi.tests import utils
class SkipNotImplementedMeta(type):
def __new__(cls, name, bases, local):
for attr in local:
value = local[attr]
if callable(value) and (
attr.startswith('test_') or attr == 'setUp'):
local[attr] = _skip_decorator(value)
return type.__new__(cls, name, bases, local)
def _skip_decorator(func):
@functools.wraps(func)
def skip_if_not_implemented(*args, **kwargs):
try:
return func(*args, **kwargs)
except exceptions.NotImplementedError as e:
raise testcase.TestSkipped(six.text_type(e))
return skip_if_not_implemented
class FakeSwiftClient(object):
def __init__(self, *args, **kwargs):
self.kvs = {}
def put_container(self, container, response_dict=None):
if response_dict is not None:
if container in self.kvs:
response_dict['status'] = 204
else:
response_dict['status'] = 201
self.kvs[container] = {}
def get_container(self, container, delimiter=None,
path=None, full_listing=False, limit=None):
try:
container = self.kvs[container]
except KeyError:
raise swexc.ClientException("No such container",
http_status=404)
files = []
directories = set()
for k, v in six.iteritems(container.copy()):
if path and not k.startswith(path):
continue
if delimiter is not None and delimiter in k:
dirname = k.split(delimiter, 1)[0]
if dirname not in directories:
directories.add(dirname)
files.append({'subdir': dirname + delimiter})
else:
files.append({'bytes': len(v),
'last_modified': None,
'hash': None,
'name': k,
'content_type': None})
if full_listing:
end = None
elif limit:
end = limit
else:
# In truth, it's 10000, but 1 is enough to make sure our test fails
# otherwise.
end = 1
return ({'x-container-object-count': len(container.keys())},
(files + list(directories))[:end])
def put_object(self, container, key, obj):
if hasattr(obj, "seek"):
obj.seek(0)
obj = obj.read()
# TODO(jd) Maybe we should reset the seek(), but well…
try:
self.kvs[container][key] = obj
except KeyError:
raise swexc.ClientException("No such container",
http_status=404)
def get_object(self, container, key):
try:
return {}, self.kvs[container][key]
except KeyError:
raise swexc.ClientException("No such container/object",
http_status=404)
def delete_object(self, container, obj):
try:
del self.kvs[container][obj]
except KeyError:
raise swexc.ClientException("No such container/object",
http_status=404)
def delete_container(self, container):
if container not in self.kvs:
raise swexc.ClientException("No such container",
http_status=404)
if self.kvs[container]:
raise swexc.ClientException("Container not empty",
http_status=409)
del self.kvs[container]
def head_container(self, container):
if container not in self.kvs:
raise swexc.ClientException("No such container",
http_status=404)
def post_account(self, headers, query_string=None, data=None,
response_dict=None):
if query_string == 'bulk-delete':
resp = {'Response Status': '200 OK',
'Response Body': '',
'Number Deleted': 0,
'Number Not Found': 0}
if response_dict is not None:
response_dict['status'] = 200
if data:
for path in data.splitlines():
try:
__, container, obj = (unquote(path.decode('utf8'))
.split('/', 2))
del self.kvs[container][obj]
resp['Number Deleted'] += 1
except KeyError:
resp['Number Not Found'] += 1
return {}, json.dumps(resp).encode('utf-8')
if response_dict is not None:
response_dict['status'] = 204
return {}, None
class CaptureOutput(fixtures.Fixture):
"""Optionally capture the output streams.
.. py:attribute:: stdout
The ``stream`` attribute from a :class:`StringStream` instance
replacing stdout.
.. py:attribute:: stderr
The ``stream`` attribute from a :class:`StringStream` instance
replacing stderr.
"""
def setUp(self):
super(CaptureOutput, self).setUp()
self._stdout_fixture = fixtures.StringStream('stdout')
self.stdout = self.useFixture(self._stdout_fixture).stream
self.useFixture(fixtures.MonkeyPatch('sys.stdout', self.stdout))
self._stderr_fixture = fixtures.StringStream('stderr')
self.stderr = self.useFixture(self._stderr_fixture).stream
self.useFixture(fixtures.MonkeyPatch('sys.stderr', self.stderr))
class BaseTestCase(testcase.TestCase):
def setUp(self):
super(BaseTestCase, self).setUp()
if not os.getenv("GNOCCHI_TEST_DEBUG"):
self.useFixture(CaptureOutput())
@six.add_metaclass(SkipNotImplementedMeta)
class TestCase(BaseTestCase):
REDIS_DB_INDEX = 0
REDIS_DB_LOCK = threading.Lock()
ARCHIVE_POLICIES = {
'no_granularity_match': archive_policy.ArchivePolicy(
"no_granularity_match",
0, [
# 2 second resolution for a day
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(2, 's'),
timespan=numpy.timedelta64(1, 'D'),
),
],
),
'low': archive_policy.ArchivePolicy(
"low", 0, [
# 5 minutes resolution for an hour
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(5, 'm'), points=12),
# 1 hour resolution for a day
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'h'), points=24),
# 1 day resolution for a month
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'D'), points=30),
],
),
'medium': archive_policy.ArchivePolicy(
"medium", 0, [
# 1 minute resolution for an day
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'm'), points=60 * 24),
# 1 hour resolution for a week
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'h'), points=7 * 24),
# 1 day resolution for a year
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'D'), points=365),
],
),
'high': archive_policy.ArchivePolicy(
"high", 0, [
# 1 second resolution for an hour
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 's'), points=3600),
# 1 minute resolution for a week
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'm'), points=60 * 24 * 7),
# 1 hour resolution for a year
archive_policy.ArchivePolicyItem(
granularity=numpy.timedelta64(1, 'h'), points=365 * 24),
],
),
}
@classmethod
def setUpClass(self):
super(TestCase, self).setUpClass()
self.conf = service.prepare_service(
[], conf=utils.prepare_conf(),
default_config_files=[],
logging_level=logging.DEBUG)
if not os.getenv("GNOCCHI_TEST_DEBUG"):
daiquiri.setup(outputs=[])
py_root = os.path.abspath(os.path.join(os.path.dirname(__file__),
'..',))
self.conf.set_override('paste_config',
os.path.join(py_root, 'rest', 'api-paste.ini'),
group="api")
self.conf.set_override('policy_file',
os.path.join(py_root, 'rest', 'policy.json'),
group="oslo_policy")
# NOTE(jd) This allows to test S3 on AWS
if not os.getenv("AWS_ACCESS_KEY_ID"):
self.conf.set_override('s3_endpoint_url',
os.getenv("GNOCCHI_STORAGE_HTTP_URL"),
group="storage")
self.conf.set_override('s3_access_key_id', "gnocchi",
group="storage")
self.conf.set_override('s3_secret_access_key', "anythingworks",
group="storage")
self.index = indexer.get_driver(self.conf)
self.coord = metricd.get_coordinator_and_start(
str(uuid.uuid4()),
self.conf.coordination_url)
# NOTE(jd) So, some driver, at least SQLAlchemy, can't create all
# their tables in a single transaction even with the
# checkfirst=True, so what we do here is we force the upgrade code
# path to be sequential to avoid race conditions as the tests run
# in parallel.
with self.coord.get_lock(b"gnocchi-tests-db-lock"):
self.index.upgrade()
self.archive_policies = self.ARCHIVE_POLICIES.copy()
for name, ap in six.iteritems(self.archive_policies):
# Create basic archive policies
try:
self.index.create_archive_policy(ap)
except indexer.ArchivePolicyAlreadyExists:
pass
storage_driver = os.getenv("GNOCCHI_TEST_STORAGE_DRIVER", "file")
self.conf.set_override('driver', storage_driver, 'storage')
if storage_driver == 'ceph':
self.conf.set_override('ceph_conffile',
os.getenv("CEPH_CONF"),
'storage')
def setUp(self):
super(TestCase, self).setUp()
if swexc:
self.useFixture(fixtures.MockPatch(
'swiftclient.client.Connection',
FakeSwiftClient))
if self.conf.storage.driver == 'file':
tempdir = self.useFixture(fixtures.TempDir())
self.conf.set_override('file_basepath',
tempdir.path,
'storage')
elif self.conf.storage.driver == 'ceph':
pool_name = uuid.uuid4().hex
with open(os.devnull, 'w') as f:
subprocess.call("rados -c %s mkpool %s" % (
os.getenv("CEPH_CONF"), pool_name), shell=True,
stdout=f, stderr=subprocess.STDOUT)
self.conf.set_override('ceph_pool', pool_name, 'storage')
# Override the bucket prefix to be unique to avoid concurrent access
# with any other test
self.conf.set_override("s3_bucket_prefix", str(uuid.uuid4())[:26],
"storage")
self.storage = storage.get_driver(self.conf, self.coord)
self.incoming = incoming.get_driver(self.conf)
if self.conf.storage.driver == 'redis':
# Create one prefix per test
self.storage.STORAGE_PREFIX = str(uuid.uuid4()).encode()
if self.conf.incoming.driver == 'redis':
self.incoming.SACK_PREFIX = str(uuid.uuid4())
self.storage.upgrade()
self.incoming.upgrade(128)
def tearDown(self):
self.index.disconnect()
super(TestCase, self).tearDown()
@classmethod
def tearDownClass(cls):
cls.coord.stop()
super(TestCase, cls).tearDownClass()
def _create_metric(self, archive_policy_name="low"):
"""Create a metric and return it"""
m = indexer.Metric(uuid.uuid4(),
self.archive_policies[archive_policy_name])
m_sql = self.index.create_metric(m.id, str(uuid.uuid4()),
archive_policy_name)
return m, m_sql
def trigger_processing(self, metrics=None):
if metrics is None:
metrics = [str(self.metric.id)]
self.storage.process_new_measures(
self.index, self.incoming, metrics, sync=True)
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