109 lines
4.3 KiB
Python
109 lines
4.3 KiB
Python
# Copyright (c) 2013 - 2015 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import shutil
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import tempfile
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import unittest
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from swift.common import utils
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from swift.common.storage_policy import POLICIES
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from swift.common.utils import Timestamp, md5
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def write_diskfile(df, timestamp, data=b'test data', frag_index=None,
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commit=True, legacy_durable=False, extra_metadata=None):
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# Helper method to write some data and metadata to a diskfile.
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# Optionally do not commit the diskfile, or commit but using a legacy
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# durable file
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with df.create() as writer:
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writer.write(data)
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metadata = {
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'ETag': md5(data, usedforsecurity=False).hexdigest(),
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'X-Timestamp': timestamp.internal,
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'Content-Length': str(len(data)),
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}
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if extra_metadata:
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metadata.update(extra_metadata)
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if frag_index is not None:
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metadata['X-Object-Sysmeta-Ec-Frag-Index'] = str(frag_index)
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writer.put(metadata)
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if commit and legacy_durable:
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# simulate legacy .durable file creation
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durable_file = os.path.join(df._datadir,
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timestamp.internal + '.durable')
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with open(durable_file, 'wb'):
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pass
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elif commit:
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writer.commit(timestamp)
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# else: don't make it durable
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return metadata
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class BaseTest(unittest.TestCase):
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def setUp(self):
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self.device = 'dev'
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self.partition = '9'
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self.tmpdir = tempfile.mkdtemp()
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# sender side setup
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self.tx_testdir = os.path.join(self.tmpdir, 'tmp_test_ssync_sender')
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utils.mkdirs(os.path.join(self.tx_testdir, self.device))
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self.daemon_conf = {
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'devices': self.tx_testdir,
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'mount_check': 'false',
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}
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# daemon will be set in subclass setUp
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self.daemon = None
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def tearDown(self):
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shutil.rmtree(self.tmpdir, ignore_errors=True)
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def _make_diskfile(self, device='dev', partition='9',
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account='a', container='c', obj='o', body=b'test',
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extra_metadata=None, policy=None,
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frag_index=None, timestamp=None, df_mgr=None,
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commit=True, verify=True, **kwargs):
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policy = policy or POLICIES.legacy
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object_parts = account, container, obj
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timestamp = Timestamp.now() if timestamp is None else timestamp
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if df_mgr is None:
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df_mgr = self.daemon._df_router[policy]
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df = df_mgr.get_diskfile(
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device, partition, *object_parts, policy=policy,
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frag_index=frag_index, **kwargs)
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write_diskfile(df, timestamp, data=body, extra_metadata=extra_metadata,
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commit=commit)
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if commit and verify:
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# when we write and commit stub data, sanity check it's readable
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# and not quarantined because of any validation check
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with df.open():
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self.assertEqual(b''.join(df.reader()), body)
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# sanity checks
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listing = os.listdir(df._datadir)
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self.assertTrue(listing)
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for filename in listing:
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self.assertTrue(filename.startswith(timestamp.internal))
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return df
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def _make_open_diskfile(self, device='dev', partition='9',
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account='a', container='c', obj='o', body=b'test',
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extra_metadata=None, policy=None,
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frag_index=None, timestamp=None, df_mgr=None,
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commit=True, **kwargs):
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df = self._make_diskfile(device, partition, account, container, obj,
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body, extra_metadata, policy, frag_index,
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timestamp, df_mgr, commit, **kwargs)
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df.open()
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return df
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