177 lines
7.5 KiB
Python
177 lines
7.5 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 os
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import shutil
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import time
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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.obj.diskfile import get_data_dir
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from swift.common.exceptions import ClientException
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from test.probe.common import (
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kill_server, ReplProbeTest, start_server, get_server_number)
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from swift.common.utils import readconf
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from swift.common.manager import Manager
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class TestEmptyDevice(ReplProbeTest):
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def _get_objects_dir(self, onode):
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device = onode['device']
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_, node_id = get_server_number((onode['ip'], onode['port']),
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self.ipport2server)
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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' % (devices, device)
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return obj_dir
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def test_main(self):
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# Create container
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container = 'container-%s' % uuid4()
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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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cpart, cnodes = self.container_ring.get_nodes(self.account, container)
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cnode = cnodes[0]
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obj = 'object-%s' % uuid4()
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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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# Kill one container/obj primary server
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kill_server((onode['ip'], onode['port']), self.ipport2server)
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# Delete the default data directory for objects on the primary server
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obj_dir = '%s/%s' % (self._get_objects_dir(onode),
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get_data_dir(self.policy))
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shutil.rmtree(obj_dir, True)
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self.assertFalse(os.path.exists(obj_dir))
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# Create container/obj (goes to two primary servers and one handoff)
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client.put_object(self.url, self.token, container, obj, 'VERIFY')
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Stash the on disk data from a primary for future comparison with the
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# handoff - this may not equal 'VERIFY' if for example the proxy has
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# crypto enabled
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direct_get_data = direct_client.direct_get_object(
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onodes[1], opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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# Kill other two container/obj primary servers
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# to ensure GET handoff works
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for node in onodes[1:]:
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kill_server((node['ip'], node['port']), self.ipport2server)
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# Indirectly through proxy assert we can get container/obj
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odata = client.get_object(self.url, self.token, container, obj)[-1]
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if odata != b'VERIFY':
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raise Exception('Object GET did not return VERIFY, instead it '
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'returned: %s' % repr(odata))
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# Restart those other two container/obj primary servers
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for node in onodes[1:]:
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start_server((node['ip'], node['port']), self.ipport2server)
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self.assertFalse(os.path.exists(obj_dir))
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# We've indirectly verified the handoff node has the object, but
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# let's directly verify it.
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# Directly to handoff server assert we can get container/obj
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another_onode = next(self.object_ring.get_more_nodes(opart))
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odata = direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj,
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headers={'X-Backend-Storage-Policy-Index': self.policy.idx})[-1]
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self.assertEqual(direct_get_data, odata)
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# Assert container listing (via proxy and directly) has container/obj
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objs = [o['name'] for o in
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client.get_container(self.url, self.token, container)[1]]
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if obj not in objs:
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raise Exception('Container listing did not know about object')
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timeout = time.time() + 5
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found_objs_on_cnode = []
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while time.time() < timeout:
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for cnode in [c for c in cnodes if cnodes not in
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found_objs_on_cnode]:
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objs = [o['name'] for o in
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direct_client.direct_get_container(
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cnode, cpart, self.account, container)[1]]
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if obj in objs:
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found_objs_on_cnode.append(cnode)
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if len(found_objs_on_cnode) >= len(cnodes):
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break
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time.sleep(0.3)
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if len(found_objs_on_cnode) < len(cnodes):
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missing = ['%s:%s' % (cnode['ip'], cnode['port']) for cnode in
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cnodes if cnode not in found_objs_on_cnode]
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raise Exception('Container servers %r did not know about object' %
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missing)
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# Bring the first container/obj primary server back up
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start_server((onode['ip'], onode['port']), self.ipport2server)
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# Assert that it doesn't have container/obj yet
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self.assertFalse(os.path.exists(obj_dir))
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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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except ClientException as err:
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self.assertEqual(err.http_status, 404)
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self.assertFalse(os.path.exists(obj_dir))
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else:
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self.fail("Expected ClientException but didn't get it")
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# Run object replication for first container/obj primary server
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_, num = get_server_number(
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(onode['ip'], onode.get('replication_port', onode['port'])),
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self.ipport2server)
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Manager(['object-replicator']).once(number=num)
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# Run object replication for handoff node
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_, another_num = get_server_number(
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(another_onode['ip'],
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another_onode.get('replication_port', another_onode['port'])),
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self.ipport2server)
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Manager(['object-replicator']).once(number=another_num)
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# Assert the first container/obj primary server now has container/obj
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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(direct_get_data, odata)
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# Assert the handoff server no longer has container/obj
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try:
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direct_client.direct_get_object(
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another_onode, opart, self.account, container, obj, headers={
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'X-Backend-Storage-Policy-Index': self.policy.idx})
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except 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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