def __init__(self,
host,
binary,
topic,
manager,
report_interval=None,
periodic_interval=None,
periodic_fuzzy_delay=None,
service_name=None,
*args,
**kwargs):
super(Service, self).__init__()
if not rpc.initialized():
rpc.init(CONF)
self.host = host
self.binary = binary
self.topic = topic
self.manager_class_name = manager
manager_class = importutils.import_class(self.manager_class_name)
manager_class = profiler.trace_cls("rpc")(manager_class)
self.manager = manager_class(host=self.host,
service_name=service_name,
*args,
**kwargs)
self.report_interval = report_interval
self.periodic_interval = periodic_interval
self.periodic_fuzzy_delay = periodic_fuzzy_delay
self.basic_config_check()
self.saved_args, self.saved_kwargs = args, kwargs
self.timers = []
setup_profiler(binary, host)
def __init__(
self,
host,
binary,
topic,
manager,
report_interval=None,
periodic_interval=None,
periodic_fuzzy_delay=None,
service_name=None,
*args,
**kwargs
):
self.host = host
self.binary = binary
self.topic = topic
self.manager_class_name = manager
manager_class = importutils.import_class(self.manager_class_name)
self.manager = manager_class(host=self.host, service_name=service_name, *args, **kwargs)
self.report_interval = report_interval
self.periodic_interval = periodic_interval
self.periodic_fuzzy_delay = periodic_fuzzy_delay
super(Service, self).__init__(*args, **kwargs)
self.saved_args, self.saved_kwargs = args, kwargs
self.timers = []
def __init__(self, *args, **kwargs):
"""Initialize the driver."""
super(XIVDS8KDriver, self).__init__(*args, **kwargs)
self.configuration.append_config_values(xiv_ds8k_opts)
proxy = importutils.import_class(self.configuration.xiv_ds8k_proxy)
#NOTE: All Array specific configurations are prefixed with:
#"xiv_ds8k_array_"
#These additional flags should be specified in the cinder.conf
#preferably in each backend configuration.
self.xiv_ds8k_proxy = proxy(
{
"xiv_ds8k_user": self.configuration.san_login,
"xiv_ds8k_pass": self.configuration.san_password,
"xiv_ds8k_address": self.configuration.san_ip,
"xiv_ds8k_vol_pool": self.configuration.san_clustername,
"xiv_ds8k_connection_type":
self.configuration.xiv_ds8k_connection_type,
"xiv_chap": self.configuration.xiv_chap
},
LOG,
exception,
driver=self)
def __init__(self,
host,
binary,
topic,
manager,
report_interval=None,
periodic_interval=None,
periodic_fuzzy_delay=None,
service_name=None,
*args,
**kwargs):
self.host = host
self.binary = binary
self.topic = topic
self.manager_class_name = manager
manager_class = importutils.import_class(self.manager_class_name)
self.manager = manager_class(host=self.host,
service_name=service_name,
*args,
**kwargs)
self.report_interval = report_interval
self.periodic_interval = periodic_interval
self.periodic_fuzzy_delay = periodic_fuzzy_delay
super(Service, self).__init__(*args, **kwargs)
self.saved_args, self.saved_kwargs = args, kwargs
self.timers = []
def __init__(self, *args, **kwargs):
"""Initialize the driver."""
super(XIVDS8KDriver, self).__init__(*args, **kwargs)
self.configuration.append_config_values(xiv_ds8k_opts)
proxy = importutils.import_class(self.configuration.xiv_ds8k_proxy)
#NOTE: All Array specific configurations are prefixed with:
#"xiv_ds8k_array_"
#These additional flags should be specified in the cinder.conf
#preferably in each backend configuration.
self.xiv_ds8k_proxy = proxy(
{
"xiv_ds8k_user": self.configuration.san_login,
"xiv_ds8k_pass": self.configuration.san_password,
"xiv_ds8k_address": self.configuration.san_ip,
"xiv_ds8k_vol_pool": self.configuration.san_clustername,
"xiv_ds8k_connection_type":
self.configuration.xiv_ds8k_connection_type
},
LOG,
exception,
driver=self)
def __init__(self, host, binary, topic, manager, report_interval=None,
periodic_interval=None, periodic_fuzzy_delay=None,
service_name=None, *args, **kwargs):
super(Service, self).__init__()
if not rpc.initialized():
rpc.init(CONF)
self.host = host
self.binary = binary
self.topic = topic
self.manager_class_name = manager
manager_class = importutils.import_class(self.manager_class_name)
manager_class = profiler.trace_cls("rpc")(manager_class)
self.manager = manager_class(host=self.host,
service_name=service_name,
*args, **kwargs)
self.report_interval = report_interval
self.periodic_interval = periodic_interval
self.periodic_fuzzy_delay = periodic_fuzzy_delay
self.basic_config_check()
self.saved_args, self.saved_kwargs = args, kwargs
self.timers = []
setup_profiler(binary, host)
def load_standard_extensions(ext_mgr, logger, path, package, ext_list=None):
"""Registers all standard API extensions."""
# Walk through all the modules in our directory...
our_dir = path[0]
for dirpath, dirnames, filenames in os.walk(our_dir):
# Compute the relative package name from the dirpath
relpath = os.path.relpath(dirpath, our_dir)
if relpath == ".":
relpkg = ""
else:
relpkg = ".%s" % ".".join(relpath.split(os.sep))
# Now, consider each file in turn, only considering .py files
for fname in filenames:
root, ext = os.path.splitext(fname)
# Skip __init__ and anything that's not .py
if ext != ".py" or root == "__init__":
continue
# Try loading it
classname = "%s%s" % (root[0].upper(), root[1:])
classpath = "%s%s.%s.%s" % (package, relpkg, root, classname)
if ext_list is not None and classname not in ext_list:
logger.debug("Skipping extension: %s" % classpath)
continue
try:
ext_mgr.load_extension(classpath)
except Exception as exc:
logger.warn(_("Failed to load extension %(classpath)s: " "%(exc)s") % locals())
# Now, let's consider any subdirectories we may have...
subdirs = []
for dname in dirnames:
# Skip it if it does not have __init__.py
if not os.path.exists(os.path.join(dirpath, dname, "__init__.py")):
continue
# If it has extension(), delegate...
ext_name = "%s%s.%s.extension" % (package, relpkg, dname)
try:
ext = importutils.import_class(ext_name)
except common_exception.NotFound:
# extension() doesn't exist on it, so we'll explore
# the directory for ourselves
subdirs.append(dname)
else:
try:
ext(ext_mgr)
except Exception as exc:
logger.warn(_("Failed to load extension %(ext_name)s: " "%(exc)s") % locals())
# Update the list of directories we'll explore...
dirnames[:] = subdirs
def monkey_patch():
"""If the CONF.monkey_patch set as True,
this function patches a decorator
for all functions in specified modules.
You can set decorators for each modules
using CONF.monkey_patch_modules.
The format is "Module path:Decorator function".
Example: 'cinder.api.ec2.cloud:' \
cinder.openstack.common.notifier.api.notify_decorator'
Parameters of the decorator is as follows.
(See cinder.openstack.common.notifier.api.notify_decorator)
name - name of the function
function - object of the function
"""
# If CONF.monkey_patch is not True, this function do nothing.
if not CONF.monkey_patch:
return
# Get list of modules and decorators
for module_and_decorator in CONF.monkey_patch_modules:
module, decorator_name = module_and_decorator.split(':')
# import decorator function
decorator = importutils.import_class(decorator_name)
__import__(module)
# Retrieve module information using pyclbr
module_data = pyclbr.readmodule_ex(module)
for key in module_data.keys():
# set the decorator for the class methods
if isinstance(module_data[key], pyclbr.Class):
clz = importutils.import_class("%s.%s" % (module, key))
for method, func in inspect.getmembers(clz, inspect.ismethod):
setattr(
clz, method,
decorator("%s.%s.%s" % (module, key, method), func))
# set the decorator for the function
if isinstance(module_data[key], pyclbr.Function):
func = importutils.import_class("%s.%s" % (module, key))
setattr(sys.modules[module], key,
decorator("%s.%s" % (module, key), func))
def monkey_patch():
"""If the CONF.monkey_patch set as True,
this function patches a decorator
for all functions in specified modules.
You can set decorators for each modules
using CONF.monkey_patch_modules.
The format is "Module path:Decorator function".
Example: 'cinder.api.ec2.cloud:' \
cinder.openstack.common.notifier.api.notify_decorator'
Parameters of the decorator is as follows.
(See cinder.openstack.common.notifier.api.notify_decorator)
name - name of the function
function - object of the function
"""
# If CONF.monkey_patch is not True, this function do nothing.
if not CONF.monkey_patch:
return
# Get list of modules and decorators
for module_and_decorator in CONF.monkey_patch_modules:
module, decorator_name = module_and_decorator.split(':')
# import decorator function
decorator = importutils.import_class(decorator_name)
__import__(module)
# Retrieve module information using pyclbr
module_data = pyclbr.readmodule_ex(module)
for key in module_data.keys():
# set the decorator for the class methods
if isinstance(module_data[key], pyclbr.Class):
clz = importutils.import_class("%s.%s" % (module, key))
for method, func in inspect.getmembers(clz, inspect.ismethod):
setattr(
clz, method,
decorator("%s.%s.%s" % (module, key, method), func))
# set the decorator for the function
if isinstance(module_data[key], pyclbr.Function):
func = importutils.import_class("%s.%s" % (module, key))
setattr(sys.modules[module], key,
decorator("%s.%s" % (module, key), func))
def __init__(self, *args, **kwargs):
"""Initialize the driver."""
proxy = importutils.import_class(CONF.xiv_proxy)
self.xiv_proxy = proxy({"xiv_user": CONF.san_login,
"xiv_pass": CONF.san_password,
"xiv_address": CONF.san_ip,
"xiv_vol_pool": CONF.san_clustername},
LOG,
exception)
san.SanISCSIDriver.__init__(self, *args, **kwargs)
def load_extension(self, ext_factory):
"""Execute an extension factory.
Loads an extension. The 'ext_factory' is the name of a
callable that will be imported and called with one
argument--the extension manager. The factory callable is
expected to call the register() method at least once.
"""
LOG.debug(_("Loading extension %s"), ext_factory)
# Load the factory
factory = importutils.import_class(ext_factory)
# Call it
LOG.debug(_("Calling extension factory %s"), ext_factory)
factory(self)
def load_extension(self, ext_factory):
"""Execute an extension factory.
Loads an extension. The 'ext_factory' is the name of a
callable that will be imported and called with one
argument--the extension manager. The factory callable is
expected to call the register() method at least once.
"""
LOG.debug(_("Loading extension %s"), ext_factory)
# Load the factory
factory = importutils.import_class(ext_factory)
# Call it
LOG.debug(_("Calling extension factory %s"), ext_factory)
factory(self)
def _get_manager(self):
"""Initialize a Manager object appropriate for this service.
Use the service name to look up a Manager subclass from the
configuration and initialize an instance. If no class name
is configured, just return None.
:returns: a Manager instance, or None.
"""
fl = '%s_manager' % self.name
if fl not in CONF:
return None
manager_class_name = CONF.get(fl, None)
if not manager_class_name:
return None
manager_class = importutils.import_class(manager_class_name)
return manager_class()
def _get_manager(self):
"""Initialize a Manager object appropriate for this service.
Use the service name to look up a Manager subclass from the
configuration and initialize an instance. If no class name
is configured, just return None.
:returns: a Manager instance, or None.
"""
fl = '%s_manager' % self.name
if fl not in CONF:
return None
manager_class_name = CONF.get(fl, None)
if not manager_class_name:
return None
manager_class = importutils.import_class(manager_class_name)
return manager_class()
def __init__(self, application, limits=None, limiter=None, **kwargs):
"""Initialize new `RateLimitingMiddleware`, which wraps the given WSGI
application and sets up the given limits.
@param application: WSGI application to wrap
@param limits: String describing limits
@param limiter: String identifying class for representing limits
Other parameters are passed to the constructor for the limiter.
"""
base_wsgi.Middleware.__init__(self, application)
# Select the limiter class
if limiter is None:
limiter = Limiter
else:
limiter = importutils.import_class(limiter)
# Parse the limits, if any are provided
if limits is not None:
limits = limiter.parse_limits(limits)
self._limiter = limiter(limits or DEFAULT_LIMITS, **kwargs)
def __init__(self, application, limits=None, limiter=None, **kwargs):
"""Initialize new `RateLimitingMiddleware`, which wraps the given WSGI
application and sets up the given limits.
@param application: WSGI application to wrap
@param limits: String describing limits
@param limiter: String identifying class for representing limits
Other parameters are passed to the constructor for the limiter.
"""
base_wsgi.Middleware.__init__(self, application)
# Select the limiter class
if limiter is None:
limiter = Limiter
else:
limiter = importutils.import_class(limiter)
# Parse the limits, if any are provided
if limits is not None:
limits = limiter.parse_limits(limits)
self._limiter = limiter(limits or DEFAULT_LIMITS, **kwargs)
def API():
importutils = cinder.openstack.common.importutils
compute_api_class = oslo.config.cfg.CONF.compute_api_class
cls = importutils.import_class(compute_api_class)
return cls()
# Copyright 2010 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # 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. # Importing full names to not pollute the namespace and cause possible # collisions with use of 'from cinder.volume import <foo>' elsewhere. from cinder.common import config import cinder.openstack.common.importutils as import_utils CONF = config.CONF API = import_utils.import_class(CONF.volume_api_class)
def load_standard_extensions(ext_mgr, logger, path, package, ext_list=None):
"""Registers all standard API extensions."""
# Walk through all the modules in our directory...
our_dir = path[0]
for dirpath, dirnames, filenames in os.walk(our_dir):
# Compute the relative package name from the dirpath
relpath = os.path.relpath(dirpath, our_dir)
if relpath == '.':
relpkg = ''
else:
relpkg = '.%s' % '.'.join(relpath.split(os.sep))
# Now, consider each file in turn, only considering .py files
for fname in filenames:
root, ext = os.path.splitext(fname)
# Skip __init__ and anything that's not .py
if ext != '.py' or root == '__init__':
continue
# Try loading it
classname = "%s%s" % (root[0].upper(), root[1:])
classpath = ("%s%s.%s.%s" % (package, relpkg, root, classname))
if ext_list is not None and classname not in ext_list:
logger.debug("Skipping extension: %s" % classpath)
continue
try:
ext_mgr.load_extension(classpath)
except Exception as exc:
logger.warn(
_('Failed to load extension %(classpath)s: '
'%(exc)s'), {
'classpath': classpath,
'exc': exc
})
# Now, let's consider any subdirectories we may have...
subdirs = []
for dname in dirnames:
# Skip it if it does not have __init__.py
if not os.path.exists(os.path.join(dirpath, dname, '__init__.py')):
continue
# If it has extension(), delegate...
ext_name = ("%s%s.%s.extension" % (package, relpkg, dname))
try:
ext = importutils.import_class(ext_name)
except ImportError:
# extension() doesn't exist on it, so we'll explore
# the directory for ourselves
subdirs.append(dname)
else:
try:
ext(ext_mgr)
except Exception as exc:
logger.warn(
_('Failed to load extension %(ext_name)s: '
'%(exc)s'), {
'ext_name': ext_name,
'exc': exc
})
# Update the list of directories we'll explore...
dirnames[:] = subdirs
def API():
keymgr_api_class = CONF.keymgr_api_class
cls = importutils.import_class(keymgr_api_class)
return cls()
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2010 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # 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. # Importing full names to not pollute the namespace and cause possible # collisions with use of 'from cinder.volume import <foo>' elsewhere. from cinder.common import config import cinder.openstack.common.importutils as import_utils CONF = config.CONF API = import_utils.import_class(CONF.volume_api_class)
def API():
importutils = cinder.openstack.common.importutils
compute_api_class = oslo.config.cfg.CONF.compute_api_class
cls = importutils.import_class(compute_api_class)
return cls()
def API():
cls = importutils.import_class(CONF.keymgr.api_class)
return cls()
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2010 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # 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. # Importing full names to not pollute the namespace and cause possible # collisions with use of 'from cinder.volume import <foo>' elsewhere. import cinder.flags as flags import cinder.openstack.common.importutils as import_utils API = import_utils.import_class(flags.FLAGS.volume_api_class)
