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#!/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.
from io import StringIO
from unittest import main, SkipTest
from uuid import uuid4
from swiftclient import client
from swiftclient.exceptions import ClientException
from swift.common import direct_client
from swift.common.manager import Manager
from test.probe.common import kill_nonprimary_server, \
kill_server, ReplProbeTest, start_server, ECProbeTest
class TestObjectAsyncUpdate(ReplProbeTest):
def test_main(self):
# Create container
container = 'container-%s' % uuid4()
client.put_container(self.url, self.token, container)
# Kill container servers excepting two of the primaries
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
cnode = cnodes[0]
kill_nonprimary_server(cnodes, self.ipport2server)
kill_server((cnode['ip'], cnode['port']), self.ipport2server)
# Create container/obj
obj = 'object-%s' % uuid4()
client.put_object(self.url, self.token, container, obj, '')
# Restart other primary server
start_server((cnode['ip'], cnode['port']), self.ipport2server)
# Assert it does not know about container/obj
self.assertFalse(direct_client.direct_get_container(
cnode, cpart, self.account, container)[1])
# Run the object-updaters
Manager(['object-updater']).once()
# Assert the other primary server now knows about container/obj
objs = [o['name'] for o in direct_client.direct_get_container(
cnode, cpart, self.account, container)[1]]
self.assertIn(obj, objs)
def test_missing_container(self):
# In this test, we need to put container at handoff devices, so we
# need container devices more than replica count
if len(self.container_ring.devs) <= self.container_ring.replica_count:
raise SkipTest("Need devices more that replica count")
container = 'container-%s' % uuid4()
cpart, cnodes = self.container_ring.get_nodes(self.account, container)
# Kill all primary container servers
for cnode in cnodes:
kill_server((cnode['ip'], cnode['port']), self.ipport2server)
# Create container, and all of its replicas are placed at handoff
# device
try:
client.put_container(self.url, self.token, container)
except ClientException as err:
# if the cluster doesn't have enough devices, swift may return
# error (ex. When we only have 4 devices in 3-replica cluster).
self.assertEqual(err.http_status, 503)
# Assert handoff device has a container replica
another_cnode = self.container_ring.get_more_nodes(cpart).next()
direct_client.direct_get_container(
another_cnode, cpart, self.account, container)
# Restart all primary container servers
for cnode in cnodes:
start_server((cnode['ip'], cnode['port']), self.ipport2server)
# Create container/obj
obj = 'object-%s' % uuid4()
client.put_object(self.url, self.token, container, obj, '')
# Run the object-updater
Manager(['object-updater']).once()
# Run the container-replicator, and now, container replicas
# at handoff device get moved to primary servers
Manager(['container-replicator']).once()
# Assert container replicas in primary servers, just moved by
# replicator don't know about the object
for cnode in cnodes:
self.assertFalse(direct_client.direct_get_container(
cnode, cpart, self.account, container)[1])
# since the container is empty - we can delete it!
client.delete_container(self.url, self.token, container)
# Re-run the object-updaters and now container replicas in primary
# container servers should get updated
Manager(['object-updater']).once()
# Assert all primary container servers know about container/obj
for cnode in cnodes:
objs = [o['name'] for o in direct_client.direct_get_container(
cnode, cpart, self.account, container)[1]]
self.assertIn(obj, objs)
class TestUpdateOverrides(ReplProbeTest):
"""
Use an internal client to PUT an object to proxy server,
bypassing gatekeeper so that X-Object-Sysmeta- headers can be included.
Verify that the update override headers take effect and override
values propagate to the container server.
"""
def test_update_during_PUT(self):
# verify that update sent during a PUT has override values
int_client = self.make_internal_client()
headers = {
'Content-Type': 'text/plain',
'X-Object-Sysmeta-Container-Update-Override-Etag': 'override-etag',
'X-Object-Sysmeta-Container-Update-Override-Content-Type':
'override-type',
'X-Object-Sysmeta-Container-Update-Override-Size': '1999'
}
client.put_container(self.url, self.token, 'c1',
headers={'X-Storage-Policy':
self.policy.name})
int_client.upload_object(
StringIO(u'stuff'), self.account, 'c1', 'o1', headers)
# Run the object-updaters to be sure updates are done
Manager(['object-updater']).once()
meta = int_client.get_object_metadata(self.account, 'c1', 'o1')
self.assertEqual('text/plain', meta['content-type'])
self.assertEqual('c13d88cb4cb02003daedb8a84e5d272a', meta['etag'])
self.assertEqual('5', meta['content-length'])
obj_iter = int_client.iter_objects(self.account, 'c1')
for obj in obj_iter:
if obj['name'] == 'o1':
self.assertEqual('override-etag', obj['hash'])
self.assertEqual('override-type', obj['content_type'])
self.assertEqual(1999, obj['bytes'])
break
else:
self.fail('Failed to find object o1 in listing')
class TestUpdateOverridesEC(ECProbeTest):
# verify that the container update overrides used with EC policies make
# it to the container servers when container updates are sync or async
# and possibly re-ordered with respect to object PUT and POST requests.
def test_async_update_after_PUT(self):
cpart, cnodes = self.container_ring.get_nodes(self.account, 'c1')
client.put_container(self.url, self.token, 'c1',
headers={'X-Storage-Policy':
self.policy.name})
# put an object while one container server is stopped so that we force
# an async update to it
kill_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
content = u'stuff'
client.put_object(self.url, self.token, 'c1', 'o1', contents=content,
content_type='test/ctype')
meta = client.head_object(self.url, self.token, 'c1', 'o1')
# re-start the container server and assert that it does not yet know
# about the object
start_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
self.assertFalse(direct_client.direct_get_container(
cnodes[0], cpart, self.account, 'c1')[1])
# Run the object-updaters to be sure updates are done
Manager(['object-updater']).once()
# check the re-started container server got same update as others.
# we cannot assert the actual etag value because it may be encrypted
listing_etags = set()
for cnode in cnodes:
listing = direct_client.direct_get_container(
cnode, cpart, self.account, 'c1')[1]
self.assertEqual(1, len(listing))
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual('test/ctype', listing[0]['content_type'])
listing_etags.add(listing[0]['hash'])
self.assertEqual(1, len(listing_etags))
# check that listing meta returned to client is consistent with object
# meta returned to client
hdrs, listing = client.get_container(self.url, self.token, 'c1')
self.assertEqual(1, len(listing))
self.assertEqual('o1', listing[0]['name'])
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual(meta['etag'], listing[0]['hash'])
self.assertEqual('test/ctype', listing[0]['content_type'])
def test_update_during_POST_only(self):
# verify correct update values when PUT update is missed but then a
# POST update succeeds *before* the PUT async pending update is sent
cpart, cnodes = self.container_ring.get_nodes(self.account, 'c1')
client.put_container(self.url, self.token, 'c1',
headers={'X-Storage-Policy':
self.policy.name})
# put an object while one container server is stopped so that we force
# an async update to it
kill_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
content = u'stuff'
client.put_object(self.url, self.token, 'c1', 'o1', contents=content,
content_type='test/ctype')
meta = client.head_object(self.url, self.token, 'c1', 'o1')
# re-start the container server and assert that it does not yet know
# about the object
start_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
self.assertFalse(direct_client.direct_get_container(
cnodes[0], cpart, self.account, 'c1')[1])
int_client = self.make_internal_client()
int_client.set_object_metadata(
self.account, 'c1', 'o1', {'X-Object-Meta-Fruit': 'Tomato'})
self.assertEqual(
'Tomato',
int_client.get_object_metadata(self.account, 'c1', 'o1')
['x-object-meta-fruit']) # sanity
# check the re-started container server got same update as others.
# we cannot assert the actual etag value because it may be encrypted
listing_etags = set()
for cnode in cnodes:
listing = direct_client.direct_get_container(
cnode, cpart, self.account, 'c1')[1]
self.assertEqual(1, len(listing))
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual('test/ctype', listing[0]['content_type'])
listing_etags.add(listing[0]['hash'])
self.assertEqual(1, len(listing_etags))
# check that listing meta returned to client is consistent with object
# meta returned to client
hdrs, listing = client.get_container(self.url, self.token, 'c1')
self.assertEqual(1, len(listing))
self.assertEqual('o1', listing[0]['name'])
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual(meta['etag'], listing[0]['hash'])
self.assertEqual('test/ctype', listing[0]['content_type'])
# Run the object-updaters to send the async pending from the PUT
Manager(['object-updater']).once()
# check container listing metadata is still correct
for cnode in cnodes:
listing = direct_client.direct_get_container(
cnode, cpart, self.account, 'c1')[1]
self.assertEqual(1, len(listing))
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual('test/ctype', listing[0]['content_type'])
listing_etags.add(listing[0]['hash'])
self.assertEqual(1, len(listing_etags))
def test_async_updates_after_PUT_and_POST(self):
# verify correct update values when PUT update and POST updates are
# missed but then async updates are sent
cpart, cnodes = self.container_ring.get_nodes(self.account, 'c1')
client.put_container(self.url, self.token, 'c1',
headers={'X-Storage-Policy':
self.policy.name})
# PUT and POST to object while one container server is stopped so that
# we force async updates to it
kill_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
content = u'stuff'
client.put_object(self.url, self.token, 'c1', 'o1', contents=content,
content_type='test/ctype')
meta = client.head_object(self.url, self.token, 'c1', 'o1')
int_client = self.make_internal_client()
int_client.set_object_metadata(
self.account, 'c1', 'o1', {'X-Object-Meta-Fruit': 'Tomato'})
self.assertEqual(
'Tomato',
int_client.get_object_metadata(self.account, 'c1', 'o1')
['x-object-meta-fruit']) # sanity
# re-start the container server and assert that it does not yet know
# about the object
start_server((cnodes[0]['ip'], cnodes[0]['port']), self.ipport2server)
self.assertFalse(direct_client.direct_get_container(
cnodes[0], cpart, self.account, 'c1')[1])
# Run the object-updaters to send the async pendings
Manager(['object-updater']).once()
# check the re-started container server got same update as others.
# we cannot assert the actual etag value because it may be encrypted
listing_etags = set()
for cnode in cnodes:
listing = direct_client.direct_get_container(
cnode, cpart, self.account, 'c1')[1]
self.assertEqual(1, len(listing))
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual('test/ctype', listing[0]['content_type'])
listing_etags.add(listing[0]['hash'])
self.assertEqual(1, len(listing_etags))
# check that listing meta returned to client is consistent with object
# meta returned to client
hdrs, listing = client.get_container(self.url, self.token, 'c1')
self.assertEqual(1, len(listing))
self.assertEqual('o1', listing[0]['name'])
self.assertEqual(len(content), listing[0]['bytes'])
self.assertEqual(meta['etag'], listing[0]['hash'])
self.assertEqual('test/ctype', listing[0]['content_type'])
if __name__ == '__main__':
main()
|
