old_contents: #
  # A collection of shared functions for managing help flag mapping files.
  #
  # 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.
  #
  """Hooks to handle configuration options not handled on module import or with a
  call to _register_runtime_opts(). The HOOKS dict associate hook functions with
  a module path."""
  
  
  def keystone_config():
      from keystone.common import config
  
      config.configure()
  
  
  def glance_store_config():
      try:
          import glance_store
          from oslo_config import cfg
  
          glance_store.backend.register_opts(cfg.CONF)
      except ImportError:
          # glance_store is not available before Juno
          pass
  
  
  def neutron_misc():
      try:
          # These imports are needed for kilo only
          import bsnstacklib.plugins.bigswitch.config
          import networking_cisco.plugins.cisco.cfg_agent.device_status  # noqa
          import networking_l2gw.services.l2gateway.common.config as l2gw
          import networking_vsphere.common.config
          from oslo_config import cfg
          import vmware_nsx.neutron.plugins.vmware.common.config  # noqa
  
          bsnstacklib.plugins.bigswitch.config.register_config()
          networking_vsphere.common.config.register_options()
          l2gw.register_l2gw_opts_helper()
          l2gw.register_ovsdb_opts_helper(cfg.CONF)
      except Exception:
          pass
  
  
  def nova_spice():
      import os
      # nova.cmd.__init__ before kilo requires to be imported before eventlet is.
      # Since we can't make sure of that, we define this envvar to let nova know
      # that the import is OK (see nova/cmd/__init__.py)
      os.environ['EVENTLET_NO_GREENDNS'] = 'yes'
      import nova.cmd.spicehtml5proxy  # noqa
  
  
  HOOKS = {'keystone.common.config': keystone_config,
           'glance.common.config': glance_store_config,
           'neutron': neutron_misc,
           'nova.spice': nova_spice}
  
new_contents: #
  # A collection of shared functions for managing help flag mapping files.
  #
  # 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.
  #
  """Hooks to handle configuration options not handled on module import or with a
  call to _register_runtime_opts(). The HOOKS dict associate hook functions with
  a module path."""
  
  
  def keystone_config():
      from keystone.common import config
  
      config.configure()
  
  
  def glance_store_config():
      try:
          import glance_store
          from oslo_config import cfg
  
          glance_store.backend.register_opts(cfg.CONF)
      except ImportError:
          # glance_store is not available before Juno
          pass
  
  
  def neutron_misc():
      try:
          # These imports are needed for kilo only
          import bsnstacklib.plugins.bigswitch.config
          import networking_cisco.plugins.cisco.cfg_agent.device_status  # noqa
          import networking_l2gw.services.l2gateway.common.config as l2gw
          import networking_vsphere.common.config
          from oslo_config import cfg
          import vmware_nsx.neutron.plugins.vmware.common.config  # noqa
  
          bsnstacklib.plugins.bigswitch.config.register_config()
          networking_vsphere.common.config.register_options()
          l2gw.register_l2gw_opts_helper()
          l2gw.register_ovsdb_opts_helper(cfg.CONF)
      except Exception:
          pass
  
  
  def nova_spice():
      import os
      # nova.cmd.__init__ before kilo requires to be imported before eventlet is.
      # Since we can't make sure of that, we define this envvar to let nova know
      # that the import is OK (see nova/cmd/__init__.py)
      os.environ['EVENTLET_NO_GREENDNS'] = 'yes'
      import nova.cmd.spicehtml5proxy  # noqa
  
  
  def aodh_config():
      # Aodh uses a local conf object, therefore we need to use the same method
      # here to populate the global cfg.CONF object used by the script.
      import aodh.opts as opts
      from oslo_config import cfg
  
      cfg.CONF = cfg.ConfigOpts()
      for group, options in opts.list_opts():
          cfg.CONF.register_opts(list(options),
                                 group=None if group == "DEFAULT" else group)
  
  
  HOOKS = {'keystone.common.config': keystone_config,
           'glance.common.config': glance_store_config,
           'neutron': neutron_misc,
           'nova.spice': nova_spice,
           'aodh': aodh_config}
  
subject: Add hook to get Aodh config options