Source code for octavia.common.stats

# Copyright 2016 IBM
#    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.

import logging

from octavia.common import constants
from octavia.common import data_models
from octavia.db import repositories as repo

LOG = logging.getLogger(__name__)

[docs]class StatsMixin(object): def __init__(self): super(StatsMixin, self).__init__() self.listener_stats_repo = repo.ListenerStatisticsRepository() self.repo_amphora = repo.AmphoraRepository() self.repo_loadbalancer = repo.LoadBalancerRepository()
[docs] def get_listener_stats(self, session, listener_id): """Gets the listener statistics data_models object.""" db_ls, _ = self.listener_stats_repo.get_all( session, listener_id=listener_id) if not db_ls: LOG.warning("Listener Statistics for Listener %s was not found", listener_id) statistics = data_models.ListenerStatistics(listener_id=listener_id) for db_l in db_ls: statistics += db_l amp = self.repo_amphora.get(session, id=db_l.amphora_id) if amp and amp.status == constants.AMPHORA_ALLOCATED: statistics.active_connections += db_l.active_connections return statistics
[docs] def get_loadbalancer_stats(self, session, loadbalancer_id): statistics = data_models.LoadBalancerStatistics() lb_db = self.repo_loadbalancer.get(session, id=loadbalancer_id) for listener in lb_db.listeners: data = self.get_listener_stats(session, listener.id) statistics.bytes_in += data.bytes_in statistics.bytes_out += data.bytes_out statistics.request_errors += data.request_errors statistics.active_connections += data.active_connections statistics.total_connections += data.total_connections statistics.listeners.append(data) return statistics
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