cd9237d059
Bug 1211860 This applies to the message logged for missing or empty cluster attributes. Change-Id: I30dfac773f5ac268ffb6658984108f1698caabfd
141 lines
6.0 KiB
Python
141 lines
6.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2012 Nicira, Inc.
|
|
# 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.
|
|
#
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
|
|
from oslo.config import cfg
|
|
|
|
from neutron.openstack.common import log as logging
|
|
from neutron.plugins.nicira.common import exceptions
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
DEFAULT_PORT = 443
|
|
# Raise if one of those attributes is not specified
|
|
REQUIRED_ATTRIBUTES = ['default_tz_uuid', 'nvp_user',
|
|
'nvp_password', 'nvp_controllers']
|
|
# Emit a INFO log if one of those attributes is not specified
|
|
IMPORTANT_ATTRIBUTES = ['default_l3_gw_service_uuid']
|
|
# Deprecated attributes
|
|
DEPRECATED_ATTRIBUTES = ['metadata_dhcp_host_route',
|
|
'nvp_controller_connection']
|
|
|
|
|
|
class NVPCluster(object):
|
|
"""NVP cluster class.
|
|
|
|
Encapsulates controller connections and the API client for a NVP cluster.
|
|
Accessed within the NvpPluginV2 class.
|
|
|
|
Controller-specific parameters, such as timeouts are stored in the
|
|
elements of the controllers attribute, which are dicts.
|
|
"""
|
|
|
|
def __init__(self, **kwargs):
|
|
self._required_attributes = REQUIRED_ATTRIBUTES[:]
|
|
self._important_attributes = IMPORTANT_ATTRIBUTES[:]
|
|
self._deprecated_attributes = {}
|
|
self._sanity_check(kwargs)
|
|
|
|
for opt, val in self._deprecated_attributes.iteritems():
|
|
LOG.deprecated(_("Attribute '%s' has been deprecated or moved "
|
|
"to a new section. See new configuration file "
|
|
"for details."), opt)
|
|
depr_func = getattr(self, '_process_%s' % opt, None)
|
|
if depr_func:
|
|
depr_func(val)
|
|
|
|
# If everything went according to plan these two lists should be empty
|
|
if self._required_attributes:
|
|
raise exceptions.NvpInvalidClusterConfiguration(
|
|
invalid_attrs=self._required_attributes)
|
|
if self._important_attributes:
|
|
LOG.info(_("The following cluster attributes were "
|
|
"not specified: %s'"), self._important_attributes)
|
|
# The API client will be explicitly created by users of this class
|
|
self.api_client = None
|
|
|
|
def _sanity_check(self, options):
|
|
# Iterating this way ensures the conf parameters also
|
|
# define the structure of this class
|
|
for arg in cfg.CONF:
|
|
if arg not in DEPRECATED_ATTRIBUTES:
|
|
setattr(self, arg, options.get(arg, cfg.CONF.get(arg)))
|
|
self._process_attribute(arg)
|
|
elif options.get(arg) is not None:
|
|
# Process deprecated attributes only if specified
|
|
self._deprecated_attributes[arg] = options.get(arg)
|
|
if arg.startswith("CLUSTER:"):
|
|
cluster_section = cfg.CONF.get(arg)
|
|
for option in cluster_section:
|
|
v = cluster_section.get(option)
|
|
if option not in DEPRECATED_ATTRIBUTES:
|
|
# option may be in dict, but with None value
|
|
setattr(self, option, options.get(option) or v)
|
|
self._process_attribute(option)
|
|
else:
|
|
self._deprecated_attributes[option] = v
|
|
|
|
def _process_attribute(self, attribute):
|
|
# Process the attribute only if it's not empty!
|
|
if getattr(self, attribute, None):
|
|
if attribute in self._required_attributes:
|
|
self._required_attributes.remove(attribute)
|
|
if attribute in self._important_attributes:
|
|
self._important_attributes.remove(attribute)
|
|
handler_func = getattr(self, '_process_%s' % attribute, None)
|
|
if handler_func:
|
|
handler_func()
|
|
else:
|
|
LOG.debug(_("Attribute:%s is empty or null"), attribute)
|
|
|
|
def _process_nvp_controllers(self):
|
|
# If this raises something is not right, so let it bubble up
|
|
# TODO(salvatore-orlando): Also validate attribute here
|
|
for i, ctrl in enumerate(self.nvp_controllers or []):
|
|
if len(ctrl.split(':')) == 1:
|
|
self.nvp_controllers[i] = '%s:%s' % (ctrl, DEFAULT_PORT)
|
|
|
|
def _process_nvp_controller_connection(self, connections):
|
|
|
|
def parse_conn_str(ip, port, user, password, req_timeout,
|
|
http_timeout, retries, redirects):
|
|
# TODO(salvatore-orlando): Set the attributes only
|
|
# if correspondent non-deprecated options have been
|
|
# explicitly specified in the ini file
|
|
# TODO(salvatore-orlando): Validate data to avoid ugly ValueError
|
|
self.nvp_user = user
|
|
self._process_attribute('nvp_user')
|
|
self.nvp_password = password
|
|
self._process_attribute('nvp_password')
|
|
self.req_timeout = int(req_timeout)
|
|
self._process_attribute('req_timeout')
|
|
self.http_timeout = int(http_timeout)
|
|
self._process_attribute('http_timeout')
|
|
self.retries = int(retries)
|
|
self._process_attribute('retries')
|
|
self.redirects = int(redirects)
|
|
self._process_attribute('redirects')
|
|
try:
|
|
nvp_controllers = getattr(self, 'nvp_controllers')
|
|
nvp_controllers.append('%s:%s' % (ip, port))
|
|
except AttributeError:
|
|
self.nvp_controllers = ['%s:%s' % (ip, port)]
|
|
self._process_attribute('nvp_controllers')
|
|
for conn in connections:
|
|
parse_conn_str(*conn.split(':'))
|