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# Copyright (c) 2010-2011 OpenStack, LLC.
#
# 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 uuid
import time
import random
from contextlib import contextmanager
import eventlet.pools
from eventlet.green.httplib import CannotSendRequest
from swift.common.utils import TRUE_VALUES, urlparse
from swift.common import client
from swift.common import direct_client
class ConnectionPool(eventlet.pools.Pool):
def __init__(self, url, size):
self.url = url
eventlet.pools.Pool.__init__(self, size, size)
def create(self):
return client.http_connection(self.url)
class Bench(object):
def __init__(self, logger, conf, names):
self.logger = logger
self.user = conf.user
self.key = conf.key
self.auth_url = conf.auth
self.use_proxy = conf.use_proxy in TRUE_VALUES
if self.use_proxy:
url, token = client.get_auth(self.auth_url, self.user, self.key)
self.token = token
self.account = url.split('/')[-1]
if conf.url == '':
self.url = url
else:
self.url = conf.url
else:
self.token = 'SlapChop!'
self.account = conf.account
self.url = conf.url
self.ip, self.port = self.url.split('/')[2].split(':')
self.containers = ['%s_%d' % (conf.container_name, i)
for i in xrange(int(conf.num_containers))]
self.object_size = int(conf.object_size)
self.object_sources = conf.object_sources
self.files = []
if self.object_sources:
self.object_sources = self.object_sources.split()
self.files = [file(f, 'rb').read() for f in self.object_sources]
self.put_concurrency = int(conf.put_concurrency)
self.get_concurrency = int(conf.get_concurrency)
self.del_concurrency = int(conf.del_concurrency)
self.total_objects = int(conf.num_objects)
self.total_gets = int(conf.num_gets)
self.timeout = int(conf.timeout)
self.devices = conf.devices.split()
self.names = names
self.conn_pool = ConnectionPool(self.url,
max(self.put_concurrency, self.get_concurrency,
self.del_concurrency))
def _log_status(self, title):
total = time.time() - self.beginbeat
self.logger.info(_('%(complete)s %(title)s [%(fail)s failures], '
'%(rate).01f/s'),
{'title': title, 'complete': self.complete, 'fail': self.failures,
'rate': (float(self.complete) / total)})
@contextmanager
def connection(self):
try:
hc = self.conn_pool.get()
try:
yield hc
except CannotSendRequest:
self.logger.info(_("CannotSendRequest. Skipping..."))
try:
hc.close()
except Exception:
pass
self.failures += 1
hc = self.conn_pool.create()
finally:
self.conn_pool.put(hc)
def run(self):
pool = eventlet.GreenPool(self.concurrency)
events = []
self.beginbeat = self.heartbeat = time.time()
self.heartbeat -= 13 # just to get the first report quicker
self.failures = 0
self.complete = 0
for i in xrange(self.total):
pool.spawn_n(self._run, i)
pool.waitall()
self._log_status(self.msg + ' **FINAL**')
def _run(self, thread):
return
class BenchController(object):
def __init__(self, logger, conf):
self.logger = logger
self.conf = conf
self.names = []
self.delete = conf.delete in TRUE_VALUES
self.gets = int(conf.num_gets)
def run(self):
puts = BenchPUT(self.logger, self.conf, self.names)
puts.run()
if self.gets:
gets = BenchGET(self.logger, self.conf, self.names)
gets.run()
if self.delete:
dels = BenchDELETE(self.logger, self.conf, self.names)
dels.run()
class BenchDELETE(Bench):
def __init__(self, logger, conf, names):
Bench.__init__(self, logger, conf, names)
self.concurrency = self.del_concurrency
self.total = len(names)
self.msg = 'DEL'
def run(self):
Bench.run(self)
for container in self.containers:
try:
client.delete_container(self.url, self.token, container)
except client.ClientException, e:
if e.http_status != 409:
self._log_status("Unable to delete container '%s'. " \
"Got http status '%d'." % (container, e.http_status))
def _run(self, thread):
if time.time() - self.heartbeat >= 15:
self.heartbeat = time.time()
self._log_status('DEL')
device, partition, name, container_name = self.names.pop()
with self.connection() as conn:
try:
if self.use_proxy:
client.delete_object(self.url, self.token,
container_name, name, http_conn=conn)
else:
node = {'ip': self.ip, 'port': self.port, 'device': device}
direct_client.direct_delete_object(node, partition,
self.account, container_name, name)
except client.ClientException, e:
self.logger.debug(str(e))
self.failures += 1
self.complete += 1
class BenchGET(Bench):
def __init__(self, logger, conf, names):
Bench.__init__(self, logger, conf, names)
self.concurrency = self.get_concurrency
self.total = self.total_gets
self.msg = 'GETS'
def _run(self, thread):
if time.time() - self.heartbeat >= 15:
self.heartbeat = time.time()
self._log_status('GETS')
device, partition, name, container_name = random.choice(self.names)
with self.connection() as conn:
try:
if self.use_proxy:
client.get_object(self.url, self.token,
container_name, name, http_conn=conn)
else:
node = {'ip': self.ip, 'port': self.port, 'device': device}
direct_client.direct_get_object(node, partition,
self.account, container_name, name)
except client.ClientException, e:
self.logger.debug(str(e))
self.failures += 1
self.complete += 1
class BenchPUT(Bench):
def __init__(self, logger, conf, names):
Bench.__init__(self, logger, conf, names)
self.concurrency = self.put_concurrency
self.total = self.total_objects
self.msg = 'PUTS'
if self.use_proxy:
with self.connection() as conn:
for container_name in self.containers:
client.put_container(self.url, self.token,
container_name, http_conn=conn)
def _run(self, thread):
if time.time() - self.heartbeat >= 15:
self.heartbeat = time.time()
self._log_status('PUTS')
name = uuid.uuid4().hex
if self.object_sources:
source = random.choice(self.files)
else:
source = '0' * self.object_size
device = random.choice(self.devices)
partition = str(random.randint(1, 3000))
container_name = random.choice(self.containers)
with self.connection() as conn:
try:
if self.use_proxy:
client.put_object(self.url, self.token,
container_name, name, source,
content_length=len(source), http_conn=conn)
else:
node = {'ip': self.ip, 'port': self.port, 'device': device}
direct_client.direct_put_object(node, partition,
self.account, container_name, name, source,
content_length=len(source))
except client.ClientException, e:
self.logger.debug(str(e))
self.failures += 1
self.names.append((device, partition, name, container_name))
self.complete += 1
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