text: #
  # Copyright (c) 2014 Cisco Systems, Inc
  #
  # 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.
  
  from ceilometer.agent import plugin_base
  from ceilometer import neutron_client
  
  
  class _BaseServicesDiscovery(plugin_base.DiscoveryBase):
      KEYSTONE_REQUIRED_FOR_SERVICE = 'neutron'
  
      def __init__(self):
          super(_BaseServicesDiscovery, self).__init__()
          self.neutron_cli = neutron_client.Client()
  
  
  class LBPoolsDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          pools = self.neutron_cli.pool_get_all()
          return [i for i in pools
                  if i.get('status') != 'error']
  
  
  class LBVipsDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          vips = self.neutron_cli.vip_get_all()
          return [i for i in vips
                  if i.get('status', None) != 'error']
  
  
  class LBMembersDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          members = self.neutron_cli.member_get_all()
          return [i for i in members
                  if i.get('status', None) != 'error']
  
  
  class LBHealthMonitorsDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          probes = self.neutron_cli.health_monitor_get_all()
          return probes
  
  
  class VPNServicesDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          vpnservices = self.neutron_cli.vpn_get_all()
          return [i for i in vpnservices
                  if i.get('status', None) != 'error']
  
  
  class IPSecConnectionsDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          conns = self.neutron_cli.ipsec_site_connections_get_all()
          return conns
  
  
  class FirewallDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          fw = self.neutron_cli.firewall_get_all()
          return [i for i in fw
                  if i.get('status', None) != 'error']
  
  
  class FirewallPolicyDiscovery(_BaseServicesDiscovery):
      def discover(self, manager, param=None):
          """Discover resources to monitor."""
  
          return self.neutron_cli.fw_policy_get_all()
  