#
#    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 ceilometerclient import client as cc
from ceilometerclient import exc

from heat.engine.clients import client_plugin

CLIENT_NAME = 'ceilometer'


class CeilometerClientPlugin(client_plugin.ClientPlugin):

    exceptions_module = exc

    service_types = [METERING, ALARMING] = ['metering', 'alarming']

    def _create(self):

        con = self.context
        interface = self._get_client_option(CLIENT_NAME, 'endpoint_type')
        aodh_endpoint = self.url_for(service_type=self.ALARMING,
                                     endpoint_type=interface)
        args = {
            'session': con.keystone_session,
            'interface': interface,
            'service_type': self.METERING,
            'aodh_endpoint': aodh_endpoint,
            'region_name': self._get_region_name()
        }

        return cc.get_client('2', **args)

    def is_not_found(self, ex):
        return isinstance(ex, exc.HTTPNotFound)

    def is_over_limit(self, ex):
        return isinstance(ex, exc.HTTPOverLimit)

    def is_conflict(self, ex):
        return isinstance(ex, exc.HTTPConflict)