def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to the timezone in which
# the server first starts running in locations that periodically change
# timezones.
os.environ["TZ"] = time.strftime("%z", time.gmtime())
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = lambda s, f, *a: logger.error("ERROR WSGI: " + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get("client_timeout") or 60)
eventlet.hubs.use_hub(get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet_debug = config_true_value(conf.get("eventlet_debug", "no"))
eventlet.debug.hub_exceptions(eventlet_debug)
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, "server"):
log_name = logger.server
else:
log_name = logger.name
global_conf = {"log_name": log_name}
app = loadapp(conf["__file__"], global_conf=global_conf)
max_clients = int(conf.get("max_clients", "1024"))
pool = RestrictedGreenPool(size=max_clients)
try:
wsgi.server(sock, app, NullLogger(), custom_pool=pool)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def run_server(conf, logger, sock):
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
app = loadapp(conf['__file__'], global_conf={'log_name': log_name})
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
try:
wsgi.server(sock, app, NullLogger(), custom_pool=pool)
except socket.error, err:
if err[0] != errno.EINVAL:
raise
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to the timezone in which
# the server first starts running in locations that periodically change
# timezones.
os.environ['TZ'] = time.strftime("%z", time.gmtime())
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
try:
wsgi.server(sock, app, NullLogger(), custom_pool=pool)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
# loadapp方法从proxy-server.conf中加载其中的app，
# 调用其中的app_factory方法实例化功能类(Application)
# conf = {"user": "******", "allow_account_management": "true",
# "bind_port": "8080", "__name__": "proxy-server",
# "__file__": "/etc/swift/proxy-server.conf",
# "account_autocreate": "true", "here": "/etc/swift"}
# global_conf = {"log_name": "proxy-server"}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024')) # dict.get(key, default=None),key不在，则返回默认值
pool = RestrictedGreenPool(size=max_clients)
# Select which protocol class to use (normal or one expecting PROXY
# protocol)
if config_true_value(conf.get('require_proxy_protocol', 'no')):
protocol_class = SwiftHttpProxiedProtocol
else:
protocol_class = SwiftHttpProtocol
server_kwargs = {
'custom_pool': pool,
'protocol': protocol_class,
# Disable capitalizing headers in Eventlet. This is necessary for
# the AWS SDK to work with s3api middleware (it needs an "ETag"
# header; "Etag" just won't do).
'capitalize_response_headers': False,
}
# server：从提供的服务器套接字启动一个的WSGI服务器处理请求；这个方法将会一直循环；
# 当服务退出之后，sock对象将会关闭；但是底层描述符将会继续开放；
try:
wsgi.server(sock, app, wsgi_logger, **server_kwargs)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
# 等待池子中的所有 greenthreads 完成工作
pool.waitall()
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to the timezone in which
# the server first starts running in locations that periodically change
# timezones.
os.environ['TZ'] = time.strftime("%z", time.gmtime())
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
# NOTE(sileht):
# monkey-patching thread is required by python-keystoneclient;
# monkey-patching select is required by oslo.messaging pika driver
# if thread is monkey-patched.
eventlet.patcher.monkey_patch(all=False,
socket=True,
select=True,
thread=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
try:
# Disable capitalizing headers in Eventlet if possible. This is
# necessary for the AWS SDK to work with swift3 middleware.
argspec = inspect.getargspec(wsgi.server)
if 'capitalize_response_headers' in argspec.args:
wsgi.server(sock,
app,
wsgi_logger,
custom_pool=pool,
capitalize_response_headers=False)
else:
wsgi.server(sock, app, wsgi_logger, custom_pool=pool)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def test_run_server_debug(self):
config = """
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
max_clients = 1000
swift_dir = TEMPDIR
[pipeline:main]
pipeline = proxy-server
[app:proxy-server]
use = egg:swift#proxy
# while "set" values normally override default
set client_timeout = 20
# this section is not in conf during run_server
set max_clients = 10
"""
contents = dedent(config)
with temptree(['proxy-server.conf']) as t:
conf_file = os.path.join(t, 'proxy-server.conf')
with open(conf_file, 'w') as f:
f.write(contents.replace('TEMPDIR', t))
_fake_rings(t)
with mock.patch('swift.proxy.server.Application.'
'modify_wsgi_pipeline'):
with mock.patch('swift.common.wsgi.wsgi') as _wsgi:
mock_server = _wsgi.server
_wsgi.server = lambda *args, **kwargs: mock_server(
*args, **kwargs)
with mock.patch('swift.common.wsgi.eventlet') as _eventlet:
conf = wsgi.appconfig(conf_file)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
self.assertTrue(mock_server.called)
args, kwargs = mock_server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assertEquals(20, server_app.client_timeout)
self.assertEqual(server_logger, None)
self.assert_('custom_pool' in kwargs)
self.assertEquals(1000, kwargs['custom_pool'].size)
def test_run_server_debug(self):
config = """
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
max_clients = 1000
swift_dir = TEMPDIR
[pipeline:main]
pipeline = proxy-server
[app:proxy-server]
use = egg:swift#proxy
# while "set" values normally override default
set client_timeout = 20
# this section is not in conf during run_server
set max_clients = 10
"""
contents = dedent(config)
with temptree(['proxy-server.conf']) as t:
conf_file = os.path.join(t, 'proxy-server.conf')
with open(conf_file, 'w') as f:
f.write(contents.replace('TEMPDIR', t))
_fake_rings(t)
with mock.patch('swift.proxy.server.Application.'
'modify_wsgi_pipeline'):
with mock.patch('swift.common.wsgi.wsgi') as _wsgi:
mock_server = _wsgi.server
_wsgi.server = lambda *args, **kwargs: mock_server(
*args, **kwargs)
with mock.patch('swift.common.wsgi.eventlet') as _eventlet:
conf = wsgi.appconfig(conf_file)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
self.assertTrue(mock_server.called)
args, kwargs = mock_server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assertEquals(20, server_app.client_timeout)
self.assertEqual(server_logger, None)
self.assert_('custom_pool' in kwargs)
self.assertEquals(1000, kwargs['custom_pool'].size)
def test_run_server_conf_dir(self):
config_dir = {
'proxy-server.conf.d/pipeline.conf':
"""
[pipeline:main]
pipeline = proxy-server
""",
'proxy-server.conf.d/app.conf':
"""
[app:proxy-server]
use = egg:swift#proxy
""",
'proxy-server.conf.d/default.conf':
"""
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
"""
}
# strip indent from test config contents
config_dir = dict((f, dedent(c)) for (f, c) in config_dir.items())
with temptree(*zip(*config_dir.items())) as conf_root:
conf_dir = os.path.join(conf_root, 'proxy-server.conf.d')
with open(os.path.join(conf_dir, 'swift.conf'), 'w') as f:
f.write('[DEFAULT]\nswift_dir = %s' % conf_root)
_fake_rings(conf_root)
with mock.patch('swift.proxy.server.Application.'
'modify_wsgi_pipeline'):
with mock.patch('swift.common.wsgi.wsgi') as _wsgi:
with mock.patch('swift.common.wsgi.eventlet') as _eventlet:
with mock.patch.dict('os.environ', {'TZ': ''}):
with mock.patch('swift.common.wsgi.inspect'):
conf = wsgi.appconfig(conf_dir)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assert_(os.environ['TZ'] is not '')
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_('custom_pool' in kwargs)
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to the timezone in which
# the server first starts running in locations that periodically change
# timezones.
os.environ['TZ'] = time.strftime("%z", time.gmtime())
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
# NOTE(sileht):
# monkey-patching thread is required by python-keystoneclient;
# monkey-patching select is required by oslo.messaging pika driver
# if thread is monkey-patched.
eventlet.patcher.monkey_patch(all=False, socket=True, select=True,
thread=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
try:
# Disable capitalizing headers in Eventlet if possible. This is
# necessary for the AWS SDK to work with swift3 middleware.
argspec = inspect.getargspec(wsgi.server)
if 'capitalize_response_headers' in argspec.args:
wsgi.server(sock, app, wsgi_logger, custom_pool=pool,
capitalize_response_headers=False)
else:
wsgi.server(sock, app, wsgi_logger, custom_pool=pool)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def test_run_server_conf_dir(self):
config_dir = {
'proxy-server.conf.d/pipeline.conf': """
[pipeline:main]
pipeline = proxy-server
""",
'proxy-server.conf.d/app.conf': """
[app:proxy-server]
use = egg:swift#proxy
""",
'proxy-server.conf.d/default.conf': """
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
"""
}
# strip indent from test config contents
config_dir = dict((f, dedent(c)) for (f, c) in config_dir.items())
with temptree(*zip(*config_dir.items())) as conf_root:
conf_dir = os.path.join(conf_root, 'proxy-server.conf.d')
with open(os.path.join(conf_dir, 'swift.conf'), 'w') as f:
f.write('[DEFAULT]\nswift_dir = %s' % conf_root)
_fake_rings(conf_root)
with mock.patch('swift.proxy.server.Application.'
'modify_wsgi_pipeline'):
with mock.patch('swift.common.wsgi.wsgi') as _wsgi:
with mock.patch('swift.common.wsgi.eventlet') as _eventlet:
with mock.patch.dict('os.environ', {'TZ': ''}):
with mock.patch('swift.common.wsgi.inspect'):
conf = wsgi.appconfig(conf_dir)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assert_(os.environ['TZ'] is not '')
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_('custom_pool' in kwargs)
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
# Select which protocol class to use (normal or one expecting PROXY
# protocol)
if config_true_value(conf.get('require_proxy_protocol', 'no')):
protocol_class = SwiftHttpProxiedProtocol
else:
protocol_class = SwiftHttpProtocol
server_kwargs = {
'custom_pool': pool,
'protocol': protocol_class,
# Disable capitalizing headers in Eventlet. This is necessary for
# the AWS SDK to work with s3api middleware (it needs an "ETag"
# header; "Etag" just won't do).
'capitalize_response_headers': False,
}
try:
wsgi.server(sock, app, wsgi_logger, **server_kwargs)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
# Select which protocol class to use (normal or one expecting PROXY
# protocol)
if config_true_value(conf.get('require_proxy_protocol', 'no')):
protocol_class = SwiftHttpProxiedProtocol
else:
protocol_class = SwiftHttpProtocol
server_kwargs = {
'custom_pool': pool,
'protocol': protocol_class,
# Disable capitalizing headers in Eventlet. This is necessary for
# the AWS SDK to work with s3api middleware (it needs an "ETag"
# header; "Etag" just won't do).
'capitalize_response_headers': False,
}
try:
wsgi.server(sock, app, wsgi_logger, **server_kwargs)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def run_server(conf, logger, sock, global_conf=None):
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
wsgi_logger = NullLogger()
if eventlet_debug:
# let eventlet.wsgi.server log to stderr
wsgi_logger = None
# utils.LogAdapter stashes name in server; fallback on unadapted loggers
if not global_conf:
if hasattr(logger, 'server'):
log_name = logger.server
else:
log_name = logger.name
global_conf = {'log_name': log_name}
app = loadapp(conf['__file__'], global_conf=global_conf)
max_clients = int(conf.get('max_clients', '1024'))
pool = RestrictedGreenPool(size=max_clients)
try:
# Disable capitalizing headers in Eventlet if possible. This is
# necessary for the AWS SDK to work with swift3 middleware.
argspec = inspect.getargspec(wsgi.server)
if 'capitalize_response_headers' in argspec.args:
wsgi.server(sock,
app,
wsgi_logger,
custom_pool=pool,
capitalize_response_headers=False)
else:
wsgi.server(sock, app, wsgi_logger, custom_pool=pool)
except socket.error as err:
if err[0] != errno.EINVAL:
raise
pool.waitall()
def test_run_server(self):
config = """
[DEFAULT]
client_timeout = 30
max_clients = 1000
swift_dir = TEMPDIR
[pipeline:main]
pipeline = proxy-server
[app:proxy-server]
use = egg:swift#proxy
# while "set" values normally override default
set client_timeout = 20
# this section is not in conf during run_server
set max_clients = 10
"""
contents = dedent(config)
with temptree(["proxy-server.conf"]) as t:
conf_file = os.path.join(t, "proxy-server.conf")
with open(conf_file, "w") as f:
f.write(contents.replace("TEMPDIR", t))
_fake_rings(t)
with mock.patch("swift.proxy.server.Application." "modify_wsgi_pipeline"):
with mock.patch("swift.common.wsgi.wsgi") as _wsgi:
with mock.patch("swift.common.wsgi.eventlet") as _eventlet:
with mock.patch("swift.common.wsgi.inspect"):
conf = wsgi.appconfig(conf_file)
logger = logging.getLogger("test")
sock = listen(("localhost", 0))
wsgi.run_server(conf, logger, sock)
self.assertEquals("HTTP/1.0", _wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False, socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(False)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assertEquals(20, server_app.client_timeout)
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_("custom_pool" in kwargs)
self.assertEquals(1000, kwargs["custom_pool"].size)
def test_run_server_conf_dir(self):
config_dir = {
"proxy-server.conf.d/pipeline.conf": """
[pipeline:main]
pipeline = proxy-server
""",
"proxy-server.conf.d/app.conf": """
[app:proxy-server]
use = egg:swift#proxy
""",
"proxy-server.conf.d/default.conf": """
[DEFAULT]
client_timeout = 30
""",
}
# strip indent from test config contents
config_dir = dict((f, dedent(c)) for (f, c) in config_dir.items())
with temptree(*zip(*config_dir.items())) as conf_root:
conf_dir = os.path.join(conf_root, "proxy-server.conf.d")
with open(os.path.join(conf_dir, "swift.conf"), "w") as f:
f.write("[DEFAULT]\nswift_dir = %s" % conf_root)
_fake_rings(conf_root)
with mock.patch("swift.proxy.server.Application." "modify_wsgi_pipeline"):
with mock.patch("swift.common.wsgi.wsgi") as _wsgi:
with mock.patch("swift.common.wsgi.eventlet") as _eventlet:
with mock.patch.dict("os.environ", {"TZ": ""}):
with mock.patch("swift.common.wsgi.inspect"):
conf = wsgi.appconfig(conf_dir)
logger = logging.getLogger("test")
sock = listen(("localhost", 0))
wsgi.run_server(conf, logger, sock)
self.assert_(os.environ["TZ"] is not "")
self.assertEquals("HTTP/1.0", _wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False, socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(False)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_("custom_pool" in kwargs)
def test_run_daemon(self):
sample_conf = "[my-daemon]\nuser = %s\n" % getuser()
with tmpfile(sample_conf) as conf_file, \
mock.patch('swift.common.daemon.use_hub') as mock_use_hub:
with mock.patch.dict('os.environ', {'TZ': ''}), \
mock.patch('time.tzset') as mock_tzset:
daemon.run_daemon(MyDaemon, conf_file)
self.assertTrue(MyDaemon.forever_called)
self.assertEqual(os.environ['TZ'], 'UTC+0')
self.assertEqual(mock_tzset.mock_calls, [mock.call()])
self.assertEqual(mock_use_hub.mock_calls,
[mock.call(utils.get_hub())])
daemon.run_daemon(MyDaemon, conf_file, once=True)
self.assertEqual(MyDaemon.once_called, True)
# test raise in daemon code
with mock.patch.object(MyDaemon, 'run_once', MyDaemon.run_raise):
self.assertRaises(OSError,
daemon.run_daemon,
MyDaemon,
conf_file,
once=True)
# test user quit
sio = StringIO()
logger = logging.getLogger('server')
logger.addHandler(logging.StreamHandler(sio))
logger = utils.get_logger(None, 'server', log_route='server')
with mock.patch.object(MyDaemon, 'run_forever', MyDaemon.run_quit):
daemon.run_daemon(MyDaemon, conf_file, logger=logger)
self.assertTrue('user quit' in sio.getvalue().lower())
# test missing section
sample_conf = "[default]\nuser = %s\n" % getuser()
with tmpfile(sample_conf) as conf_file:
self.assertRaisesRegexp(SystemExit, 'Unable to find my-daemon '
'config section in.*',
daemon.run_daemon,
MyDaemon,
conf_file,
once=True)
def run_server(max_clients):
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
app = loadapp('config:%s' % conf_file,
global_conf={'log_name': log_name})
pool = RestrictedGreenPool(size=max_clients)
try:
wsgi.server(sock, app, NullLogger(), custom_pool=pool)
except socket.error, err:
if err[0] != errno.EINVAL:
raise
def run_server():
wsgi.HttpProtocol.default_request_version = "HTTP/1.0"
# Turn off logging requests by the underlying WSGI software.
wsgi.HttpProtocol.log_request = lambda *a: None
# Redirect logging other messages by the underlying WSGI software.
wsgi.HttpProtocol.log_message = \
lambda s, f, *a: logger.error('ERROR WSGI: ' + f % a)
wsgi.WRITE_TIMEOUT = int(conf.get('client_timeout') or 60)
eventlet.hubs.use_hub(get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet_debug = config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
app = loadapp('config:%s' % conf_file,
global_conf={'log_name': log_name})
pool = GreenPool(size=1024)
try:
wsgi.server(sock, app, NullLogger(), custom_pool=pool)
except socket.error, err:
if err[0] != errno.EINVAL:
raise
def test_run_server(self):
config = """
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
swift_dir = TEMPDIR
[pipeline:main]
pipeline = proxy-server
[app:proxy-server]
use = egg:swift#proxy
"""
contents = dedent(config)
with temptree(['proxy-server.conf']) as t:
conf_file = os.path.join(t, 'proxy-server.conf')
with open(conf_file, 'w') as f:
f.write(contents.replace('TEMPDIR', t))
_fake_rings(t)
with patch('swift.common.wsgi.wsgi') as _wsgi:
with patch('swift.common.wsgi.eventlet') as _eventlet:
conf = wsgi.appconfig(conf_file)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_('custom_pool' in kwargs)
def test_run_server(self):
config = """
[DEFAULT]
eventlet_debug = yes
client_timeout = 30
swift_dir = TEMPDIR
[pipeline:main]
pipeline = proxy-server
[app:proxy-server]
use = egg:swift#proxy
"""
contents = dedent(config)
with temptree(['proxy-server.conf']) as t:
conf_file = os.path.join(t, 'proxy-server.conf')
with open(conf_file, 'w') as f:
f.write(contents.replace('TEMPDIR', t))
_fake_rings(t)
with patch('swift.common.wsgi.wsgi') as _wsgi:
with patch('swift.common.wsgi.eventlet') as _eventlet:
conf = wsgi.appconfig(conf_file)
logger = logging.getLogger('test')
sock = listen(('localhost', 0))
wsgi.run_server(conf, logger, sock)
self.assertEquals('HTTP/1.0',
_wsgi.HttpProtocol.default_request_version)
self.assertEquals(30, _wsgi.WRITE_TIMEOUT)
_eventlet.hubs.use_hub.assert_called_with(utils.get_hub())
_eventlet.patcher.monkey_patch.assert_called_with(all=False,
socket=True)
_eventlet.debug.hub_exceptions.assert_called_with(True)
_wsgi.server.assert_called()
args, kwargs = _wsgi.server.call_args
server_sock, server_app, server_logger = args
self.assertEquals(sock, server_sock)
self.assert_(isinstance(server_app, swift.proxy.server.Application))
self.assert_(isinstance(server_logger, wsgi.NullLogger))
self.assert_('custom_pool' in kwargs)
def test_run_daemon(self):
sample_conf = "[my-daemon]\nuser = %s\n" % getuser()
with tmpfile(sample_conf) as conf_file, \
mock.patch('swift.common.daemon.use_hub') as mock_use_hub:
with mock.patch.dict('os.environ', {'TZ': ''}), \
mock.patch('time.tzset') as mock_tzset:
daemon.run_daemon(MyDaemon, conf_file)
self.assertTrue(MyDaemon.forever_called)
self.assertEqual(os.environ['TZ'], 'UTC+0')
self.assertEqual(mock_tzset.mock_calls, [mock.call()])
self.assertEqual(mock_use_hub.mock_calls,
[mock.call(utils.get_hub())])
daemon.run_daemon(MyDaemon, conf_file, once=True)
self.assertEqual(MyDaemon.once_called, True)
# test raise in daemon code
with mock.patch.object(MyDaemon, 'run_once', MyDaemon.run_raise):
self.assertRaises(OSError, daemon.run_daemon, MyDaemon,
conf_file, once=True)
# test user quit
sio = StringIO()
logger = logging.getLogger('server')
logger.addHandler(logging.StreamHandler(sio))
logger = utils.get_logger(None, 'server', log_route='server')
with mock.patch.object(MyDaemon, 'run_forever', MyDaemon.run_quit):
daemon.run_daemon(MyDaemon, conf_file, logger=logger)
self.assertTrue('user quit' in sio.getvalue().lower())
# test missing section
sample_conf = "[default]\nuser = %s\n" % getuser()
with tmpfile(sample_conf) as conf_file:
self.assertRaisesRegexp(SystemExit,
'Unable to find my-daemon '
'config section in.*',
daemon.run_daemon, MyDaemon,
conf_file, once=True)
def main(args):
parser = argparse.ArgumentParser(
description='Relink and cleanup objects to increase partition power')
parser.add_argument('action', choices=['relink', 'cleanup'])
parser.add_argument(
'conf_file',
nargs='?',
help=('Path to config file with [object-relinker] section'))
parser.add_argument('--swift-dir',
default=None,
dest='swift_dir',
help='Path to swift directory')
parser.add_argument(
'--policy',
default=[],
dest='policies',
action='append',
type=policy,
help='Policy to relink; may specify multiple (default: all)')
parser.add_argument('--devices',
default=None,
dest='devices',
help='Path to swift device directory')
parser.add_argument('--user',
default=None,
dest='user',
help='Drop privileges to this user before relinking')
parser.add_argument('--device',
default=[],
dest='device_list',
action='append',
help='Device name to relink (default: all)')
parser.add_argument('--partition',
'-p',
default=[],
dest='partitions',
type=non_negative_int,
action='append',
help='Partition to relink (default: all)')
parser.add_argument('--skip-mount-check',
default=False,
help='Don\'t test if disk is mounted',
action="store_true",
dest='skip_mount_check')
parser.add_argument('--files-per-second',
default=None,
type=non_negative_float,
dest='files_per_second',
help='Used to limit I/O. Zero implies no limit '
'(default: no limit).')
parser.add_argument('--stats-interval',
default=None,
type=non_negative_float,
dest='stats_interval',
help='Emit stats to recon roughly every N seconds. '
'(default: %d).' % DEFAULT_STATS_INTERVAL)
parser.add_argument('--workers',
default=None,
type=auto_or_int,
help=('Process devices across N workers '
'(default: one worker per device)'))
parser.add_argument('--logfile',
default=None,
dest='logfile',
help='Set log file name. Ignored if using conf_file.')
parser.add_argument('--debug',
default=False,
action='store_true',
help='Enable debug mode')
args = parser.parse_args(args)
hubs.use_hub(get_hub())
if args.conf_file:
conf = readconf(args.conf_file, 'object-relinker')
if args.debug:
conf['log_level'] = 'DEBUG'
user = args.user or conf.get('user')
if user:
drop_privileges(user)
logger = get_logger(conf)
else:
conf = {'log_level': 'DEBUG' if args.debug else 'INFO'}
if args.user:
# Drop privs before creating log file
drop_privileges(args.user)
conf['user'] = args.user
logging.basicConfig(
format='%(message)s',
level=logging.DEBUG if args.debug else logging.INFO,
filename=args.logfile)
logger = logging.getLogger()
conf.update({
'swift_dir':
args.swift_dir or conf.get('swift_dir', '/etc/swift'),
'devices':
args.devices or conf.get('devices', '/srv/node'),
'mount_check': (config_true_value(conf.get('mount_check', 'true'))
and not args.skip_mount_check),
'files_per_second':
(args.files_per_second if args.files_per_second is not None else
non_negative_float(conf.get('files_per_second', '0'))),
'policies':
set(args.policies) or POLICIES,
'partitions':
set(args.partitions),
'workers':
config_auto_int_value(
conf.get('workers') if args.workers is None else args.workers,
'auto'),
'recon_cache_path':
conf.get('recon_cache_path', DEFAULT_RECON_CACHE_PATH),
'stats_interval':
non_negative_float(
args.stats_interval
or conf.get('stats_interval', DEFAULT_STATS_INTERVAL)),
})
return parallel_process(args.action == 'cleanup', conf, logger,
args.device_list)
from swift.common.ring.utils import is_local_device
from swift.common.utils import whataremyips, unlink_older_than, \
compute_eta, get_logger, dump_recon_cache, ismount, \
rsync_module_interpolation, mkdirs, config_true_value, list_from_csv, \
get_hub, tpool_reraise, config_auto_int_value, storage_directory
from swift.common.bufferedhttp import http_connect
from swift.common.daemon import Daemon
from swift.common.http import HTTP_OK, HTTP_INSUFFICIENT_STORAGE
from swift.obj import ssync_sender
from swift.obj.diskfile import DiskFileManager, get_data_dir, get_tmp_dir
from swift.common.storage_policy import POLICIES, REPL_POLICY
DEFAULT_RSYNC_TIMEOUT = 900
hubs.use_hub(get_hub())
def _do_listdir(partition, replication_cycle):
return (((partition + replication_cycle) % 10) == 0)
class ObjectReplicator(Daemon):
"""
Replicate objects.
Encapsulates most logic and data needed by the object replication process.
Each call to .replicate() performs one replication pass. It's up to the
caller to do this in a loop.
"""
def __init__(self, conf, logger=None):
from swift.common.utils import config_true_value, split_path
from swift.account import server as account_server
from swift.container import server as container_server
from swift.obj import server as object_server, mem_server as mem_object_server
import swift.proxy.controllers.obj
http_client._MAXHEADERS = constraints.MAX_HEADER_COUNT
DEBUG = True
# In order to get the proper blocking behavior of sockets without using
# threads, where we can set an arbitrary timeout for some piece of code under
# test, we use eventlet with the standard socket library patched. We have to
# perform this setup at module import time, since all the socket module
# bindings in the swiftclient code will have been made by the time nose
# invokes the package or class setup methods.
eventlet.hubs.use_hub(utils.get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet.debug.hub_exceptions(False)
from swiftclient import get_auth, http_connection
has_insecure = False
try:
from swiftclient import __version__ as client_version
# Prevent a ValueError in StrictVersion with '2.0.3.68.ga99c2ff'
client_version = '.'.join(client_version.split('.')[:3])
except ImportError:
# Pre-PBR we had version, not __version__. Anyhow...
client_version = '1.2'
from distutils.version import StrictVersion
if StrictVersion(client_version) >= StrictVersion('2.0'):
from eventlet.support.greenlets import GreenletExit
from swift.common.ring.utils import is_local_device
from swift.common.utils import whataremyips, unlink_older_than, \
compute_eta, get_logger, dump_recon_cache, ismount, \
rsync_module_interpolation, mkdirs, config_true_value, list_from_csv, \
get_hub, tpool_reraise, config_auto_int_value, storage_directory
from swift.common.bufferedhttp import http_connect
from swift.common.daemon import Daemon
from swift.common.http import HTTP_OK, HTTP_INSUFFICIENT_STORAGE
from swift.obj import ssync_sender
from swift.obj.diskfile import DiskFileManager, get_data_dir, get_tmp_dir
from swift.common.storage_policy import POLICIES, REPL_POLICY
hubs.use_hub(get_hub())
class ObjectReplicator(Daemon):
"""
Replicate objects.
Encapsulates most logic and data needed by the object replication process.
Each call to .replicate() performs one replication pass. It's up to the
caller to do this in a loop.
"""
def __init__(self, conf, logger=None):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
def run_daemon(klass, conf_file, section_name='', once=False, **kwargs):
"""
Loads settings from conf, then instantiates daemon ``klass`` and runs the
daemon with the specified ``once`` kwarg. The section_name will be derived
from the daemon ``klass`` if not provided (e.g. ObjectReplicator =>
object-replicator).
:param klass: Class to instantiate, subclass of :class:`Daemon`
:param conf_file: Path to configuration file
:param section_name: Section name from conf file to load config from
:param once: Passed to daemon :meth:`Daemon.run` method
"""
# very often the config section_name is based on the class name
# the None singleton will be passed through to readconf as is
if section_name == '':
section_name = sub(r'([a-z])([A-Z])', r'\1-\2',
klass.__name__).lower()
try:
conf = utils.readconf(conf_file, section_name,
log_name=kwargs.get('log_name'))
except (ValueError, IOError) as e:
# The message will be printed to stderr
# and results in an exit code of 1.
sys.exit(e)
use_hub(utils.get_hub())
# once on command line (i.e. daemonize=false) will over-ride config
once = once or not utils.config_true_value(conf.get('daemonize', 'true'))
# pre-configure logger
if 'logger' in kwargs:
logger = kwargs.pop('logger')
else:
logger = utils.get_logger(conf, conf.get('log_name', section_name),
log_to_console=kwargs.pop('verbose', False),
log_route=section_name)
# optional nice/ionice priority scheduling
utils.modify_priority(conf, logger)
# disable fallocate if desired
if utils.config_true_value(conf.get('disable_fallocate', 'no')):
utils.disable_fallocate()
# set utils.FALLOCATE_RESERVE if desired
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value(conf.get('fallocate_reserve', '1%'))
# By default, disable eventlet printing stacktraces
eventlet_debug = utils.config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
logger.notice('Starting %s', os.getpid())
try:
DaemonStrategy(klass(conf), logger).run(once=once, **kwargs)
except KeyboardInterrupt:
logger.info('User quit')
logger.notice('Exited %s', os.getpid())
from swift.common.utils import config_true_value, split_path
from swift.account import server as account_server
from swift.container import server as container_server
from swift.obj import server as object_server, mem_server as mem_object_server
import swift.proxy.controllers.obj
http_client._MAXHEADERS = constraints.MAX_HEADER_COUNT
DEBUG = True
# In order to get the proper blocking behavior of sockets without using
# threads, where we can set an arbitrary timeout for some piece of code under
# test, we use eventlet with the standard socket library patched. We have to
# perform this setup at module import time, since all the socket module
# bindings in the swiftclient code will have been made by the time nose
# invokes the package or class setup methods.
eventlet.hubs.use_hub(utils.get_hub())
eventlet.patcher.monkey_patch(all=False, socket=True)
eventlet.debug.hub_exceptions(False)
from swiftclient import get_auth, http_connection
has_insecure = False
try:
from swiftclient import __version__ as client_version
# Prevent a ValueError in StrictVersion with '2.0.3.68.ga99c2ff'
client_version = '.'.join(client_version.split('.')[:3])
except ImportError:
# Pre-PBR we had version, not __version__. Anyhow...
client_version = '1.2'
from distutils.version import StrictVersion
if StrictVersion(client_version) >= StrictVersion('2.0'):
def run_daemon(klass, conf_file, section_name='', once=False, **kwargs):
"""
Loads settings from conf, then instantiates daemon ``klass`` and runs the
daemon with the specified ``once`` kwarg. The section_name will be derived
from the daemon ``klass`` if not provided (e.g. ObjectReplicator =>
object-replicator).
:param klass: Class to instantiate, subclass of :class:`Daemon`
:param conf_file: Path to configuration file
:param section_name: Section name from conf file to load config from
:param once: Passed to daemon :meth:`Daemon.run` method
"""
# very often the config section_name is based on the class name
# the None singleton will be passed through to readconf as is
if section_name is '':
section_name = sub(r'([a-z])([A-Z])', r'\1-\2',
klass.__name__).lower()
try:
conf = utils.readconf(conf_file, section_name,
log_name=kwargs.get('log_name'))
except (ValueError, IOError) as e:
# The message will be printed to stderr
# and results in an exit code of 1.
sys.exit(e)
use_hub(utils.get_hub())
# once on command line (i.e. daemonize=false) will over-ride config
once = once or not utils.config_true_value(conf.get('daemonize', 'true'))
# pre-configure logger
if 'logger' in kwargs:
logger = kwargs.pop('logger')
else:
logger = utils.get_logger(conf, conf.get('log_name', section_name),
log_to_console=kwargs.pop('verbose', False),
log_route=section_name)
# optional nice/ionice priority scheduling
utils.modify_priority(conf, logger)
# disable fallocate if desired
if utils.config_true_value(conf.get('disable_fallocate', 'no')):
utils.disable_fallocate()
# set utils.FALLOCATE_RESERVE if desired
utils.FALLOCATE_RESERVE, utils.FALLOCATE_IS_PERCENT = \
utils.config_fallocate_value(conf.get('fallocate_reserve', '1%'))
# By default, disable eventlet printing stacktraces
eventlet_debug = utils.config_true_value(conf.get('eventlet_debug', 'no'))
eventlet.debug.hub_exceptions(eventlet_debug)
# Ensure TZ environment variable exists to avoid stat('/etc/localtime') on
# some platforms. This locks in reported times to UTC.
os.environ['TZ'] = 'UTC+0'
time.tzset()
logger.notice('Starting %s', os.getpid())
try:
DaemonStrategy(klass(conf), logger).run(once=once, **kwargs)
except KeyboardInterrupt:
logger.info('User quit')
logger.notice('Exited %s', os.getpid())
