c00897c02e
This patch adds liveness checks for watcher and handlers, without passing the manager's reference to modules that probably should not be aware of it. Related-Bug: #1705429 Change-Id: I0192756c556b13f98302a57acedce269c278e260
76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import os_vif
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from oslo_log import log as logging
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from oslo_service import service
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from kuryr_kubernetes import clients
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from kuryr_kubernetes import config
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from kuryr_kubernetes import constants
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from kuryr_kubernetes.controller.handlers import lbaas as h_lbaas
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from kuryr_kubernetes.controller.handlers import pipeline as h_pipeline
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from kuryr_kubernetes.controller.handlers import vif as h_vif
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from kuryr_kubernetes.controller.managers import health
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from kuryr_kubernetes import objects
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from kuryr_kubernetes import watcher
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LOG = logging.getLogger(__name__)
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class KuryrK8sService(service.Service):
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"""Kuryr-Kubernetes controller Service."""
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def __init__(self):
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super(KuryrK8sService, self).__init__()
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objects.register_locally_defined_vifs()
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pipeline = h_pipeline.ControllerPipeline(self.tg)
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self.watcher = watcher.Watcher(pipeline, self.tg)
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self.health_manager = health.HealthServer()
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# TODO(ivc): pluggable resource/handler registration
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for resource in ["pods", "services", "endpoints"]:
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self.watcher.add("%s/%s" % (constants.K8S_API_BASE, resource))
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pipeline.register(h_vif.VIFHandler())
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pipeline.register(h_lbaas.LBaaSSpecHandler())
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pipeline.register(h_lbaas.LoadBalancerHandler())
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def start(self):
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LOG.info("Service '%s' starting", self.__class__.__name__)
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super(KuryrK8sService, self).start()
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self.watcher.start()
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self.health_manager.run()
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LOG.info("Service '%s' started", self.__class__.__name__)
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def wait(self):
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super(KuryrK8sService, self).wait()
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LOG.info("Service '%s' stopped", self.__class__.__name__)
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def stop(self, graceful=False):
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LOG.info("Service '%s' stopping", self.__class__.__name__)
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self.watcher.stop()
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super(KuryrK8sService, self).stop(graceful)
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def start():
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config.init(sys.argv[1:])
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config.setup_logging()
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clients.setup_clients()
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os_vif.initialize()
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kuryrk8s_launcher = service.launch(config.CONF, KuryrK8sService())
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kuryrk8s_launcher.wait()
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