264 lines
11 KiB
Python
264 lines
11 KiB
Python
#!/usr/bin/python -u
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# Copyright (c) 2010-2012 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 json
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import os
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import time
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from os import listdir, unlink
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from os.path import join as path_join
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from unittest import main
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from uuid import uuid4
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from swiftclient import client
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from swift.common import direct_client
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from swift.common.exceptions import ClientException
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from swift.common.utils import hash_path, readconf
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from swift.obj.diskfile import write_metadata, read_metadata, get_data_dir
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from test.probe.common import ReplProbeTest, ECProbeTest
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RETRIES = 5
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def get_data_file_path(obj_dir):
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files = []
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# We might need to try a few times if a request hasn't yet settled. For
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# instance, a PUT can return success when just 2 of 3 nodes has completed.
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for attempt in range(RETRIES + 1):
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try:
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files = sorted(listdir(obj_dir), reverse=True)
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break
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except Exception:
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if attempt < RETRIES:
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time.sleep(1)
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else:
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raise
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for filename in files:
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return path_join(obj_dir, filename)
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class TestObjectFailures(ReplProbeTest):
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def _setup_data_file(self, container, obj, data):
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client.put_container(self.url, self.token, container,
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headers={'X-Storage-Policy':
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self.policy.name})
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client.put_object(self.url, self.token, container, obj, data)
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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self.assertEqual(odata, data)
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opart, onodes = self.object_ring.get_nodes(
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self.account, container, obj)
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onode = onodes[0]
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node_id = (onode['port'] - 6000) / 10
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device = onode['device']
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hash_str = hash_path(self.account, container, obj)
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obj_server_conf = readconf(self.configs['object-server'][node_id])
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devices = obj_server_conf['app:object-server']['devices']
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obj_dir = '%s/%s/%s/%s/%s/%s/' % (devices, device,
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get_data_dir(self.policy),
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opart, hash_str[-3:], hash_str)
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data_file = get_data_file_path(obj_dir)
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return onode, opart, data_file
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def run_quarantine(self):
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container = 'container-%s' % uuid4()
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obj = 'object-%s' % uuid4()
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onode, opart, data_file = self._setup_data_file(container, obj,
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b'VERIFY')
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# Stash the on disk data for future comparison - this may not equal
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# 'VERIFY' if for example the proxy has crypto enabled
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backend_data = direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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metadata = read_metadata(data_file)
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metadata['ETag'] = 'badetag'
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write_metadata(data_file, metadata)
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odata = direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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self.assertEqual(odata, backend_data)
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try:
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direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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raise Exception("Did not quarantine object")
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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def run_quarantine_range_etag(self):
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container = 'container-range-%s' % uuid4()
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obj = 'object-range-%s' % uuid4()
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onode, opart, data_file = self._setup_data_file(container, obj,
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b'RANGE')
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# Stash the on disk data for future comparison - this may not equal
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# 'VERIFY' if for example the proxy has crypto enabled
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backend_data = direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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metadata = read_metadata(data_file)
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metadata['ETag'] = 'badetag'
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write_metadata(data_file, metadata)
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base_headers = {'X-Backend-Storage-Policy-Index': self.policy.idx}
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for header, result in [({'Range': 'bytes=0-2'}, backend_data[0:3]),
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({'Range': 'bytes=1-11'}, backend_data[1:]),
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({'Range': 'bytes=0-11'}, backend_data)]:
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req_headers = base_headers.copy()
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req_headers.update(header)
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odata = direct_client.direct_get_object(
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onode, opart, self.account, container, obj,
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headers=req_headers)[-1]
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self.assertEqual(odata, result)
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try:
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direct_client.direct_get_object(
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onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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raise Exception("Did not quarantine object")
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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def run_quarantine_zero_byte_get(self):
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container = 'container-zbyte-%s' % uuid4()
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obj = 'object-zbyte-%s' % uuid4()
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onode, opart, data_file = self._setup_data_file(
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container, obj, b'DATA')
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metadata = read_metadata(data_file)
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unlink(data_file)
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with open(data_file, 'w') as fpointer:
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write_metadata(fpointer, metadata)
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try:
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direct_client.direct_get_object(
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onode, opart, self.account, container, obj, conn_timeout=1,
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response_timeout=1, headers={'X-Backend-Storage-Policy-Index':
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self.policy.idx})
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raise Exception("Did not quarantine object")
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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def run_quarantine_zero_byte_head(self):
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container = 'container-zbyte-%s' % uuid4()
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obj = 'object-zbyte-%s' % uuid4()
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onode, opart, data_file = self._setup_data_file(
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container, obj, b'DATA')
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metadata = read_metadata(data_file)
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unlink(data_file)
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with open(data_file, 'w') as fpointer:
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write_metadata(fpointer, metadata)
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try:
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direct_client.direct_head_object(
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onode, opart, self.account, container, obj, conn_timeout=1,
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response_timeout=1, headers={'X-Backend-Storage-Policy-Index':
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self.policy.idx})
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raise Exception("Did not quarantine object")
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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def run_quarantine_zero_byte_post(self):
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container = 'container-zbyte-%s' % uuid4()
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obj = 'object-zbyte-%s' % uuid4()
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onode, opart, data_file = self._setup_data_file(
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container, obj, b'DATA')
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metadata = read_metadata(data_file)
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unlink(data_file)
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with open(data_file, 'w') as fpointer:
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write_metadata(fpointer, metadata)
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try:
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headers = {'X-Object-Meta-1': 'One', 'X-Object-Meta-Two': 'Two',
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'X-Backend-Storage-Policy-Index': self.policy.idx}
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direct_client.direct_post_object(
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onode, opart, self.account,
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container, obj,
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headers=headers,
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conn_timeout=1,
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response_timeout=1)
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raise Exception("Did not quarantine object")
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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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def test_runner(self):
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self.run_quarantine()
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self.run_quarantine_range_etag()
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self.run_quarantine_zero_byte_get()
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self.run_quarantine_zero_byte_head()
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self.run_quarantine_zero_byte_post()
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class TestECObjectFailures(ECProbeTest):
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def test_ec_missing_all_durable_fragments(self):
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# This tests helps assert the behavior that when
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# the proxy has enough fragments to reconstruct the object
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# but none are marked as durable, the proxy should return a 404.
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container_name = 'container-%s' % uuid4()
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object_name = 'object-%s' % uuid4()
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# create EC container
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headers = {'X-Storage-Policy': self.policy.name}
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client.put_container(self.url, self.token, container_name,
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headers=headers)
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# PUT object, should go to primary nodes
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client.put_object(self.url, self.token, container_name,
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object_name, contents=b'object contents')
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# get our node lists
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opart, onodes = self.object_ring.get_nodes(
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self.account, container_name, object_name)
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# sanity test
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odata = client.get_object(self.url, self.token, container_name,
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object_name)[-1]
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self.assertEqual(b'object contents', odata)
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# make all fragments non-durable
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for node in onodes:
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part_dir = self.storage_dir('object', node, part=opart)
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for dirs, subdirs, files in os.walk(part_dir):
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for fname in files:
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if fname.endswith('.data'):
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non_durable_fname = fname.replace('#d', '')
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os.rename(os.path.join(dirs, fname),
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os.path.join(dirs, non_durable_fname))
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break
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headers = direct_client.direct_head_object(
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node, opart, self.account, container_name, object_name,
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headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx,
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'X-Backend-Fragment-Preferences': json.dumps([])})
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self.assertNotIn('X-Backend-Durable-Timestamp', headers)
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# Now a new GET should return *404* because all fragments
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# are non-durable, even if they are reconstructable
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try:
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client.get_object(self.url, self.token, container_name,
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object_name)
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except client.ClientException as err:
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self.assertEqual(err.http_status, 404)
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else:
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self.fail("Expected ClientException but didn't get it")
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if __name__ == '__main__':
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main()
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