Container Infrastructure Management Service for OpenStack
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# Copyright 2015 - Yahoo! 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.
"""Magnum Service Layer"""
from oslo_log import log
from oslo_service import periodic_task
from magnum import objects
from magnum.service import periodic
LOG = log.getLogger(__name__)
class MagnumServicePeriodicTasks(periodic_task.PeriodicTasks):
"""Magnum periodic Task class
Any periodic task job need to be added into this class
"""
def __init__(self, conf, binary):
self.magnum_service_ref = None
self.host = conf.host
self.binary = binary
super(MagnumServicePeriodicTasks, self).__init__(conf)
@periodic_task.periodic_task(run_immediately=True)
@periodic.set_context
def update_magnum_service(self, ctx):
LOG.debug('Update magnum_service')
if self.magnum_service_ref is None:
self.magnum_service_ref = \
objects.MagnumService.get_by_host_and_binary(
ctx, self.host, self.binary)
if self.magnum_service_ref is None:
magnum_service_dict = {
'host': self.host,
'binary': self.binary
}
self.magnum_service_ref = objects.MagnumService(
ctx, **magnum_service_dict)
self.magnum_service_ref.create()
self.magnum_service_ref.report_state_up()
def setup(conf, binary, tg):
pt = MagnumServicePeriodicTasks(conf, binary)
tg.add_dynamic_timer(
pt.run_periodic_tasks,
periodic_interval_max=conf.periodic_interval_max,
context=None)