swift/test/probe/test_container_sync.py
Kota Tsuyuzaki 1e79f828ad Remove all post_as_copy related code and configes
It was deprecated and we discussed on this topic in Denver PTG
for Queen cycle. Main motivation for this work is that deprecated
post_as_copy option and its gate blocks future symlink work.

Change-Id: I411893db1565864ed5beb6ae75c38b982a574476
2017-09-16 05:50:41 +00:00

383 lines
16 KiB
Python

#!/usr/bin/python -u
# 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 json
import uuid
import random
from nose import SkipTest
import unittest
from six.moves.urllib.parse import urlparse
from swiftclient import client, ClientException
from swift.common.http import HTTP_NOT_FOUND
from swift.common.manager import Manager
from test.probe.brain import BrainSplitter
from test.probe.common import ReplProbeTest, ENABLED_POLICIES
def get_current_realm_cluster(url):
parts = urlparse(url)
url = parts.scheme + '://' + parts.netloc + '/info'
http_conn = client.http_connection(url)
try:
info = client.get_capabilities(http_conn)
except client.ClientException:
raise SkipTest('Unable to retrieve cluster info')
try:
realms = info['container_sync']['realms']
except KeyError:
raise SkipTest('Unable to find container sync realms')
for realm, realm_info in realms.items():
for cluster, options in realm_info['clusters'].items():
if options.get('current', False):
return realm, cluster
raise SkipTest('Unable find current realm cluster')
class TestContainerSync(ReplProbeTest):
def setUp(self):
super(TestContainerSync, self).setUp()
self.realm, self.cluster = get_current_realm_cluster(self.url)
def _setup_synced_containers(
self, source_overrides=None, dest_overrides=None):
# these defaults are used to create both source and dest containers
# unless overridden by source_overrides and/or dest_overrides
default_params = {'url': self.url,
'token': self.token,
'account': self.account,
'sync_key': 'secret'}
# setup dest container
dest = dict(default_params)
dest['name'] = 'dest-container-%s' % uuid.uuid4()
dest.update(dest_overrides or {})
dest_headers = {}
dest_policy = None
if len(ENABLED_POLICIES) > 1:
dest_policy = random.choice(ENABLED_POLICIES)
dest_headers['X-Storage-Policy'] = dest_policy.name
if dest['sync_key'] is not None:
dest_headers['X-Container-Sync-Key'] = dest['sync_key']
client.put_container(dest['url'], dest['token'], dest['name'],
headers=dest_headers)
# setup source container
source = dict(default_params)
source['name'] = 'source-container-%s' % uuid.uuid4()
source.update(source_overrides or {})
source_headers = {}
sync_to = '//%s/%s/%s/%s' % (self.realm, self.cluster, dest['account'],
dest['name'])
source_headers['X-Container-Sync-To'] = sync_to
if source['sync_key'] is not None:
source_headers['X-Container-Sync-Key'] = source['sync_key']
if dest_policy:
source_policy = random.choice([p for p in ENABLED_POLICIES
if p is not dest_policy])
source_headers['X-Storage-Policy'] = source_policy.name
client.put_container(source['url'], source['token'], source['name'],
headers=source_headers)
return source['name'], dest['name']
def test_sync(self):
source_container, dest_container = self._setup_synced_containers()
# upload to source
object_name = 'object-%s' % uuid.uuid4()
put_headers = {'X-Object-Meta-Test': 'put_value'}
client.put_object(self.url, self.token, source_container, object_name,
'test-body', headers=put_headers)
# cycle container-sync
Manager(['container-sync']).once()
resp_headers, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'test-body')
self.assertIn('x-object-meta-test', resp_headers)
self.assertEqual('put_value', resp_headers['x-object-meta-test'])
# update metadata with a POST
post_headers = {'Content-Type': 'image/jpeg',
'X-Object-Meta-Test': 'post_value'}
int_client = self.make_internal_client()
int_client.set_object_metadata(self.account, source_container,
object_name, post_headers)
# sanity checks...
resp_headers = client.head_object(
self.url, self.token, source_container, object_name)
self.assertIn('x-object-meta-test', resp_headers)
self.assertEqual('post_value', resp_headers['x-object-meta-test'])
self.assertEqual('image/jpeg', resp_headers['content-type'])
# cycle container-sync
Manager(['container-sync']).once()
# verify that metadata changes were sync'd
resp_headers, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'test-body')
self.assertIn('x-object-meta-test', resp_headers)
self.assertEqual('post_value', resp_headers['x-object-meta-test'])
self.assertEqual('image/jpeg', resp_headers['content-type'])
# delete the object
client.delete_object(
self.url, self.token, source_container, object_name)
with self.assertRaises(ClientException) as cm:
client.get_object(
self.url, self.token, source_container, object_name)
self.assertEqual(404, cm.exception.http_status) # sanity check
# cycle container-sync
Manager(['container-sync']).once()
# verify delete has been sync'd
with self.assertRaises(ClientException) as cm:
client.get_object(
self.url, self.token, dest_container, object_name)
self.assertEqual(404, cm.exception.http_status) # sanity check
def test_sync_slo_manifest(self):
# Verify that SLO manifests are sync'd even if their segments can not
# be found in the destination account at time of sync'ing.
# Create source and dest containers for manifest in separate accounts.
dest_account = self.account_2
source_container, dest_container = self._setup_synced_containers(
dest_overrides=dest_account
)
# Create source and dest containers for segments in separate accounts.
# These containers must have same name for the destination SLO manifest
# to be able to resolve segments. Initially the destination has no sync
# key so segments will not sync.
segs_container = 'segments-%s' % uuid.uuid4()
dest_segs_info = dict(dest_account)
dest_segs_info.update({'name': segs_container, 'sync_key': None})
self._setup_synced_containers(
source_overrides={'name': segs_container, 'sync_key': 'segs_key'},
dest_overrides=dest_segs_info)
# upload a segment to source
segment_name = 'segment-%s' % uuid.uuid4()
segment_data = 'segment body' # it's ok for first segment to be small
segment_etag = client.put_object(
self.url, self.token, segs_container, segment_name,
segment_data)
manifest = [{'etag': segment_etag,
'size_bytes': len(segment_data),
'path': '/%s/%s' % (segs_container, segment_name)}]
manifest_name = 'manifest-%s' % uuid.uuid4()
put_headers = {'X-Object-Meta-Test': 'put_value'}
client.put_object(
self.url, self.token, source_container, manifest_name,
json.dumps(manifest), headers=put_headers,
query_string='multipart-manifest=put')
resp_headers, manifest_body = client.get_object(
self.url, self.token, source_container, manifest_name,
query_string='multipart-manifest=get')
int_manifest = json.loads(manifest_body)
# cycle container-sync
Manager(['container-sync']).once()
# verify manifest was sync'd
resp_headers, dest_listing = client.get_container(
dest_account['url'], dest_account['token'], dest_container)
self.assertFalse(dest_listing[1:])
self.assertEqual(manifest_name, dest_listing[0]['name'])
# verify manifest body
resp_headers, body = client.get_object(
dest_account['url'], dest_account['token'], dest_container,
manifest_name, query_string='multipart-manifest=get')
self.assertEqual(int_manifest, json.loads(body))
self.assertIn('x-object-meta-test', resp_headers)
self.assertEqual('put_value', resp_headers['x-object-meta-test'])
# attempt to GET the SLO will fail because the segment wasn't sync'd
with self.assertRaises(ClientException) as cm:
client.get_object(dest_account['url'], dest_account['token'],
dest_container, manifest_name)
self.assertEqual(409, cm.exception.http_status)
# now set sync key on destination segments container
client.put_container(
dest_account['url'], dest_account['token'], segs_container,
headers={'X-Container-Sync-Key': 'segs_key'})
# cycle container-sync
Manager(['container-sync']).once()
# sanity check - verify manifest body
resp_headers, body = client.get_object(
dest_account['url'], dest_account['token'], dest_container,
manifest_name, query_string='multipart-manifest=get')
self.assertEqual(int_manifest, json.loads(body))
self.assertIn('x-object-meta-test', resp_headers)
self.assertEqual('put_value', resp_headers['x-object-meta-test'])
# verify GET of SLO manifest now succeeds
resp_headers, body = client.get_object(
dest_account['url'], dest_account['token'], dest_container,
manifest_name)
self.assertEqual(segment_data, body)
def test_sync_lazy_skey(self):
# Create synced containers, but with no key at source
source_container, dest_container =\
self._setup_synced_containers(source_overrides={'sync_key': None})
# upload to source
object_name = 'object-%s' % uuid.uuid4()
client.put_object(self.url, self.token, source_container, object_name,
'test-body')
# cycle container-sync, nothing should happen
Manager(['container-sync']).once()
with self.assertRaises(ClientException) as err:
_junk, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(err.exception.http_status, HTTP_NOT_FOUND)
# amend source key
source_headers = {'X-Container-Sync-Key': 'secret'}
client.put_container(self.url, self.token, source_container,
headers=source_headers)
# cycle container-sync, should replicate
Manager(['container-sync']).once()
_junk, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'test-body')
def test_sync_lazy_dkey(self):
# Create synced containers, but with no key at dest
source_container, dest_container =\
self._setup_synced_containers(dest_overrides={'sync_key': None})
# upload to source
object_name = 'object-%s' % uuid.uuid4()
client.put_object(self.url, self.token, source_container, object_name,
'test-body')
# cycle container-sync, nothing should happen
Manager(['container-sync']).once()
with self.assertRaises(ClientException) as err:
_junk, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(err.exception.http_status, HTTP_NOT_FOUND)
# amend dest key
dest_headers = {'X-Container-Sync-Key': 'secret'}
client.put_container(self.url, self.token, dest_container,
headers=dest_headers)
# cycle container-sync, should replicate
Manager(['container-sync']).once()
_junk, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'test-body')
def test_sync_with_stale_container_rows(self):
source_container, dest_container = self._setup_synced_containers()
brain = BrainSplitter(self.url, self.token, source_container,
None, 'container')
# upload to source
object_name = 'object-%s' % uuid.uuid4()
client.put_object(self.url, self.token, source_container, object_name,
'test-body')
# check source container listing
_, listing = client.get_container(
self.url, self.token, source_container)
for expected_obj_dict in listing:
if expected_obj_dict['name'] == object_name:
break
else:
self.fail('Failed to find source object %r in container listing %r'
% (object_name, listing))
# stop all container servers
brain.stop_primary_half()
brain.stop_handoff_half()
# upload new object content to source - container updates will fail
client.put_object(self.url, self.token, source_container, object_name,
'new-test-body')
source_headers = client.head_object(
self.url, self.token, source_container, object_name)
# start all container servers
brain.start_primary_half()
brain.start_handoff_half()
# sanity check: source container listing should not have changed
_, listing = client.get_container(
self.url, self.token, source_container)
for actual_obj_dict in listing:
if actual_obj_dict['name'] == object_name:
self.assertDictEqual(expected_obj_dict, actual_obj_dict)
break
else:
self.fail('Failed to find source object %r in container listing %r'
% (object_name, listing))
# cycle container-sync - object should be correctly sync'd despite
# stale info in container row
Manager(['container-sync']).once()
# verify sync'd object has same content and headers
dest_headers, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'new-test-body')
mismatched_headers = []
for k in ('etag', 'content-length', 'content-type', 'x-timestamp',
'last-modified'):
if source_headers[k] == dest_headers[k]:
continue
mismatched_headers.append((k, source_headers[k], dest_headers[k]))
if mismatched_headers:
msg = '\n'.join([('Mismatched header %r, expected %r but got %r'
% item) for item in mismatched_headers])
self.fail(msg)
def test_sync_newer_remote(self):
source_container, dest_container = self._setup_synced_containers()
# upload to source
object_name = 'object-%s' % uuid.uuid4()
client.put_object(self.url, self.token, source_container, object_name,
'old-source-body')
# upload to dest with same name
client.put_object(self.url, self.token, dest_container, object_name,
'new-test-body')
# cycle container-sync
Manager(['container-sync']).once()
# verify that the remote object did not change
resp_headers, body = client.get_object(self.url, self.token,
dest_container, object_name)
self.assertEqual(body, 'new-test-body')
if __name__ == "__main__":
unittest.main()