89 lines
3.6 KiB
Python
Executable File
89 lines
3.6 KiB
Python
Executable File
# Copyright 2011 Quanta Research Cambridge, Inc.
|
|
#
|
|
# 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 random
|
|
import telnetlib
|
|
|
|
from stress import pending_action
|
|
from stress import test_case
|
|
|
|
|
|
class TestChangeFloatingIp(test_case.StressTestCase):
|
|
"""Add or remove a floating ip from a vm."""
|
|
|
|
def __init__(self):
|
|
super(TestChangeFloatingIp, self).__init__()
|
|
self.server_ids = None
|
|
|
|
def run(self, manager, state, *pargs, **kwargs):
|
|
if self.server_ids is None:
|
|
vms = state.get_instances()
|
|
self.server_ids = [k for k, v in vms.iteritems()]
|
|
floating_ip = random.choice(state.get_floating_ips())
|
|
if floating_ip.change_pending:
|
|
return None
|
|
floating_ip.change_pending = True
|
|
timeout = int(kwargs.get('timeout', 60))
|
|
cli = manager.floating_ips_client
|
|
if floating_ip.server_id is None:
|
|
server = random.choice(self.server_ids)
|
|
address = floating_ip.address
|
|
self._logger.info('Adding %s to server %s' % (address, server))
|
|
resp, body = cli.associate_floating_ip_to_server(address,
|
|
server)
|
|
if resp.status != 202:
|
|
raise Exception("response: %s body: %s" % (resp, body))
|
|
floating_ip.server_id = server
|
|
return VerifyChangeFloatingIp(manager, floating_ip,
|
|
timeout, add=True)
|
|
else:
|
|
server = floating_ip.server_id
|
|
address = floating_ip.address
|
|
self._logger.info('Removing %s from server %s' % (address, server))
|
|
resp, body = cli.disassociate_floating_ip_from_server(address,
|
|
server)
|
|
if resp.status != 202:
|
|
raise Exception("response: %s body: %s" % (resp, body))
|
|
return VerifyChangeFloatingIp(manager, floating_ip,
|
|
timeout, add=False)
|
|
|
|
|
|
class VerifyChangeFloatingIp(pending_action.PendingAction):
|
|
"""Verify that floating ip was changed."""
|
|
def __init__(self, manager, floating_ip, timeout, add=None):
|
|
super(VerifyChangeFloatingIp, self).__init__(manager, timeout=timeout)
|
|
self.floating_ip = floating_ip
|
|
self.add = add
|
|
|
|
def retry(self):
|
|
"""
|
|
Check to see that we can contact the server at its new address.
|
|
"""
|
|
try:
|
|
conn = telnetlib.Telnet(self.floating_ip.address, 22, timeout=0.5)
|
|
conn.close()
|
|
if self.add:
|
|
self._logger.info('%s added [%.1f secs elapsed]' %
|
|
(self.floating_ip.address, self.elapsed()))
|
|
self.floating_ip.change_pending = False
|
|
return True
|
|
except Exception:
|
|
if not self.add:
|
|
self._logger.info('%s removed [%.1f secs elapsed]' %
|
|
(self.floating_ip.address, self.elapsed()))
|
|
self.floating_ip.change_pending = False
|
|
self.floating_ip.server_id = None
|
|
return True
|
|
return False
|