octavia/octavia/amphorae/drivers/keepalived/vrrp_rest_driver.py

92 lines
3.2 KiB
Python

# Copyright 2015 Hewlett Packard Enterprise Development Company LP
#
# 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 oslo_log import log as logging
import six
from octavia.amphorae.drivers import driver_base as driver_base
from octavia.amphorae.drivers.keepalived.jinja import jinja_cfg
from octavia.common import constants
LOG = logging.getLogger(__name__)
API_VERSION = constants.API_VERSION
class KeepalivedAmphoraDriverMixin(driver_base.VRRPDriverMixin):
def __init__(self):
super(KeepalivedAmphoraDriverMixin, self).__init__()
# The Mixed class must define a self.client object for the
# AmphoraApiClient
def update_vrrp_conf(self, loadbalancer):
"""Update amphorae of the loadbalancer with a new VRRP configuration
:param loadbalancer: loadbalancer object
"""
templater = jinja_cfg.KeepalivedJinjaTemplater()
LOG.debug("Update loadbalancer %s amphora VRRP configuration.",
loadbalancer.id)
for amp in six.moves.filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
loadbalancer.amphorae):
# Generate Keepalived configuration from loadbalancer object
config = templater.build_keepalived_config(loadbalancer, amp)
self.client.upload_vrrp_config(amp, config)
def stop_vrrp_service(self, loadbalancer):
"""Stop the vrrp services running on the loadbalancer's amphorae
:param loadbalancer: loadbalancer object
"""
LOG.info("Stop loadbalancer %s amphora VRRP Service.",
loadbalancer.id)
for amp in six.moves.filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
loadbalancer.amphorae):
self.client.stop_vrrp(amp)
def start_vrrp_service(self, loadbalancer):
"""Start the VRRP services of all amphorae of the loadbalancer
:param loadbalancer: loadbalancer object
"""
LOG.info("Start loadbalancer %s amphora VRRP Service.",
loadbalancer.id)
for amp in six.moves.filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
loadbalancer.amphorae):
LOG.debug("Start VRRP Service on amphora %s .", amp.lb_network_ip)
self.client.start_vrrp(amp)
def reload_vrrp_service(self, loadbalancer):
"""Reload the VRRP services of all amphorae of the loadbalancer
:param loadbalancer: loadbalancer object
"""
LOG.info("Reload loadbalancer %s amphora VRRP Service.",
loadbalancer.id)
for amp in six.moves.filter(
lambda amp: amp.status == constants.AMPHORA_ALLOCATED,
loadbalancer.amphorae):
self.client.reload_vrrp(amp)