#!/usr/bin/python -u # Copyright (c) 2010-2012 OpenStack Foundation # # 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 time from os import listdir, unlink from os.path import join as path_join from unittest import main, TestCase from uuid import uuid4 from swiftclient import client from swift.common import direct_client from swift.common.exceptions import ClientException from swift.common.utils import hash_path, readconf from swift.obj.diskfile import write_metadata, read_metadata, get_data_dir from test.probe.common import kill_servers, reset_environment RETRIES = 5 def get_data_file_path(obj_dir): files = [] # We might need to try a few times if a request hasn't yet settled. For # instance, a PUT can return success when just 2 of 3 nodes has completed. for attempt in xrange(RETRIES + 1): try: files = sorted(listdir(obj_dir), reverse=True) break except Exception: if attempt < RETRIES: time.sleep(1) else: raise for filename in files: return path_join(obj_dir, filename) class TestObjectFailures(TestCase): def setUp(self): (self.pids, self.port2server, self.account_ring, self.container_ring, self.object_ring, self.policy, self.url, self.token, self.account, self.configs) = reset_environment() def tearDown(self): kill_servers(self.port2server, self.pids) def _setup_data_file(self, container, obj, data): client.put_container(self.url, self.token, container) client.put_object(self.url, self.token, container, obj, data) odata = client.get_object(self.url, self.token, container, obj)[-1] self.assertEquals(odata, data) opart, onodes = self.object_ring.get_nodes( self.account, container, obj) onode = onodes[0] node_id = (onode['port'] - 6000) / 10 device = onode['device'] hash_str = hash_path(self.account, container, obj) obj_server_conf = readconf(self.configs['object-server'][node_id]) devices = obj_server_conf['app:object-server']['devices'] obj_dir = '%s/%s/%s/%s/%s/%s/' % (devices, device, get_data_dir(self.policy.idx), opart, hash_str[-3:], hash_str) data_file = get_data_file_path(obj_dir) return onode, opart, data_file def run_quarantine(self): container = 'container-%s' % uuid4() obj = 'object-%s' % uuid4() onode, opart, data_file = self._setup_data_file(container, obj, 'VERIFY') metadata = read_metadata(data_file) metadata['ETag'] = 'badetag' write_metadata(data_file, metadata) odata = direct_client.direct_get_object( onode, opart, self.account, container, obj, headers={ 'X-Backend-Storage-Policy-Index': self.policy.idx})[-1] self.assertEquals(odata, 'VERIFY') try: direct_client.direct_get_object( onode, opart, self.account, container, obj, headers={ 'X-Backend-Storage-Policy-Index': self.policy.idx}) raise Exception("Did not quarantine object") except ClientException as err: self.assertEquals(err.http_status, 404) def run_quarantine_range_etag(self): container = 'container-range-%s' % uuid4() obj = 'object-range-%s' % uuid4() onode, opart, data_file = self._setup_data_file(container, obj, 'RANGE') metadata = read_metadata(data_file) metadata['ETag'] = 'badetag' write_metadata(data_file, metadata) base_headers = {'X-Backend-Storage-Policy-Index': self.policy.idx} for header, result in [({'Range': 'bytes=0-2'}, 'RAN'), ({'Range': 'bytes=1-11'}, 'ANGE'), ({'Range': 'bytes=0-11'}, 'RANGE')]: req_headers = base_headers.copy() req_headers.update(header) odata = direct_client.direct_get_object( onode, opart, self.account, container, obj, headers=req_headers)[-1] self.assertEquals(odata, result) try: direct_client.direct_get_object( onode, opart, self.account, container, obj, headers={ 'X-Backend-Storage-Policy-Index': self.policy.idx}) raise Exception("Did not quarantine object") except ClientException as err: self.assertEquals(err.http_status, 404) def run_quarantine_zero_byte_get(self): container = 'container-zbyte-%s' % uuid4() obj = 'object-zbyte-%s' % uuid4() onode, opart, data_file = self._setup_data_file(container, obj, 'DATA') metadata = read_metadata(data_file) unlink(data_file) with open(data_file, 'w') as fpointer: write_metadata(fpointer, metadata) try: direct_client.direct_get_object( onode, opart, self.account, container, obj, conn_timeout=1, response_timeout=1, headers={'X-Backend-Storage-Policy-Index': self.policy.idx}) raise Exception("Did not quarantine object") except ClientException as err: self.assertEquals(err.http_status, 404) def run_quarantine_zero_byte_head(self): container = 'container-zbyte-%s' % uuid4() obj = 'object-zbyte-%s' % uuid4() onode, opart, data_file = self._setup_data_file(container, obj, 'DATA') metadata = read_metadata(data_file) unlink(data_file) with open(data_file, 'w') as fpointer: write_metadata(fpointer, metadata) try: direct_client.direct_head_object( onode, opart, self.account, container, obj, conn_timeout=1, response_timeout=1, headers={'X-Backend-Storage-Policy-Index': self.policy.idx}) raise Exception("Did not quarantine object") except ClientException as err: self.assertEquals(err.http_status, 404) def run_quarantine_zero_byte_post(self): container = 'container-zbyte-%s' % uuid4() obj = 'object-zbyte-%s' % uuid4() onode, opart, data_file = self._setup_data_file(container, obj, 'DATA') metadata = read_metadata(data_file) unlink(data_file) with open(data_file, 'w') as fpointer: write_metadata(fpointer, metadata) try: headers = {'X-Object-Meta-1': 'One', 'X-Object-Meta-Two': 'Two', 'X-Backend-Storage-Policy-Index': self.policy.idx} direct_client.direct_post_object( onode, opart, self.account, container, obj, headers=headers, conn_timeout=1, response_timeout=1) raise Exception("Did not quarantine object") except ClientException as err: self.assertEquals(err.http_status, 404) def test_runner(self): self.run_quarantine() self.run_quarantine_range_etag() self.run_quarantine_zero_byte_get() self.run_quarantine_zero_byte_head() self.run_quarantine_zero_byte_post() if __name__ == '__main__': main()