7d21fa84d6
They serve no purpose, as if an important attribute is empty or null and it shouldn't we'll know about it, and that's what counts. Change-Id: I7783cb6df76362d1b9b25b23f89a3a5d6df15406 Closes-bug: 1280500
103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nicira, Inc.
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# All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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from oslo.config import cfg
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from neutron.openstack.common import log as logging
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from neutron.plugins.nicira.common import exceptions
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LOG = logging.getLogger(__name__)
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DEFAULT_PORT = 443
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# Raise if one of those attributes is not specified
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REQUIRED_ATTRIBUTES = ['default_tz_uuid', 'nsx_user',
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'nsx_password', 'nsx_controllers']
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# Emit a INFO log if one of those attributes is not specified
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IMPORTANT_ATTRIBUTES = ['default_l3_gw_service_uuid']
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# Deprecated attributes
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DEPRECATED_ATTRIBUTES = ['metadata_dhcp_host_route',
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'nvp_user', 'nvp_password', 'nvp_controllers']
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class NSXCluster(object):
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"""NSX cluster class.
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Encapsulates controller connections and the API client for a NSX cluster.
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Controller-specific parameters, such as timeouts are stored in the
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elements of the controllers attribute, which are dicts.
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"""
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def __init__(self, **kwargs):
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self._required_attributes = REQUIRED_ATTRIBUTES[:]
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self._important_attributes = IMPORTANT_ATTRIBUTES[:]
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self._deprecated_attributes = {}
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self._sanity_check(kwargs)
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for opt, val in self._deprecated_attributes.iteritems():
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LOG.deprecated(_("Attribute '%s' has been deprecated or moved "
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"to a new section. See new configuration file "
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"for details."), opt)
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depr_func = getattr(self, '_process_%s' % opt, None)
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if depr_func:
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depr_func(val)
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# If everything went according to plan these two lists should be empty
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if self._required_attributes:
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raise exceptions.NvpInvalidClusterConfiguration(
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invalid_attrs=self._required_attributes)
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if self._important_attributes:
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LOG.info(_("The following cluster attributes were "
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"not specified: %s'"), self._important_attributes)
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# The API client will be explicitly created by users of this class
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self.api_client = None
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def _sanity_check(self, options):
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# Iterating this way ensures the conf parameters also
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# define the structure of this class
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for arg in cfg.CONF:
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if arg not in DEPRECATED_ATTRIBUTES:
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setattr(self, arg, options.get(arg, cfg.CONF.get(arg)))
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self._process_attribute(arg)
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elif options.get(arg) is not None:
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# Process deprecated attributes only if specified
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self._deprecated_attributes[arg] = options.get(arg)
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def _process_attribute(self, attribute):
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# Process the attribute only if it's not empty!
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if getattr(self, attribute, None):
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if attribute in self._required_attributes:
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self._required_attributes.remove(attribute)
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if attribute in self._important_attributes:
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self._important_attributes.remove(attribute)
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handler_func = getattr(self, '_process_%s' % attribute, None)
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if handler_func:
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handler_func()
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def _process_nsx_controllers(self):
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# If this raises something is not right, so let it bubble up
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# TODO(salvatore-orlando): Also validate attribute here
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for i, ctrl in enumerate(self.nsx_controllers or []):
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if len(ctrl.split(':')) == 1:
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self.nsx_controllers[i] = '%s:%s' % (ctrl, DEFAULT_PORT)
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def _process_nvp_controllers(self):
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self.nsx_controllers = self.nvp_controllers
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self._process_nsx_controllers()
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