103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from oslo_config import cfg
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from taskflow.jobs import backends as job_backends
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from taskflow.persistence import backends as persistence_backends
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from poppy.distributed_task import base
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from poppy.distributed_task.taskflow import controllers
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LOG = logging.getLogger(__name__)
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TASKFLOW_OPTIONS = [
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cfg.StrOpt('jobboard_backend_type', default='zookeeper',
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help='Default jobboard backend type'),
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cfg.StrOpt('persistent_backend_type', default='zookeeper',
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help='Default jobboard persistent backend type'),
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cfg.ListOpt('jobboard_backend_host', default=['localhost'],
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help='default jobboard backend server host'),
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cfg.IntOpt('jobboard_backend_port', default=2181, help='default'
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' jobboard backend server port (e.g: ampq)'),
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cfg.ListOpt('persistent_backend_host', default=['localhost'],
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help='default persistent backend server host'),
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cfg.IntOpt('persistent_backend_port', default=2181, help='default'
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' default persistent backend server port (e.g: ampq)'),
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]
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TASKFLOW_GROUP = 'drivers:distributed_task:taskflow'
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class TaskFlowDistributedTaskDriver(base.Driver):
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"""TaskFlow distributed task Driver."""
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def __init__(self, conf):
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super(TaskFlowDistributedTaskDriver, self).__init__(conf)
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conf.register_opts(TASKFLOW_OPTIONS, group=TASKFLOW_GROUP)
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self.distributed_task_conf = conf[TASKFLOW_GROUP]
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job_backends_hosts = ','.join(['%s:%s' % (
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host, self.distributed_task_conf.jobboard_backend_port)
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for host in
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self.distributed_task_conf.jobboard_backend_host])
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self.jobboard_backend_conf = {
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# This topic could become more complicated
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"board": self.distributed_task_conf.jobboard_backend_type,
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"hosts": job_backends_hosts,
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"path": "/taskflow/jobs/poppy_service_jobs",
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}
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persistence_backends_hosts = ','.join(['%s:%s' % (
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host, self.distributed_task_conf.jobboard_backend_port)
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for host in
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self.distributed_task_conf.jobboard_backend_host])
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self.persistence_backend_conf = {
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# This topic could become more complicated
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"connection": self.distributed_task_conf.persistent_backend_type,
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"hosts": persistence_backends_hosts,
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}
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def is_alive(self):
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"""Health check for TaskFlow worker."""
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return True
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def persistence(self):
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return persistence_backends.backend(
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self.persistence_backend_conf.copy())
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def job_board(self, conf, persistence, **kwargs):
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return job_backends.backend(
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'poppy_service_jobs',
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conf.copy(), persistence=persistence)
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@property
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def vendor_name(self):
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"""storage name.
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:returns 'TaskFlow'
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"""
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return 'TaskFlow'
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@property
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def services_controller(self):
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"""services_controller.
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:returns service controller
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"""
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return controllers.ServicesController(self)
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