47cd7a25f4
All UCP Operators will inherit from the UcpBaseOperator [0] This patch set will align the rest of the Operators, i.e. Armada, Deckhand and Promenade Operators with the UcpBaseOperator It also updates the name of the shipyard container to be 'shipyard-api' instead of 'shipyard' [0] https://review.gerrithub.io/#/c/407736/ Change-Id: I516590c492e9bb5554161119dade278d74197374
63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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 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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import time
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from airflow.plugins_manager import AirflowPlugin
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from airflow.exceptions import AirflowException
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from promenade_base_operator import PromenadeBaseOperator
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LOG = logging.getLogger(__name__)
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class PromenadeDrainNodeOperator(PromenadeBaseOperator):
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"""Promenade Drain Node Operator
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This operator will trigger promenade to drain the target
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node and ensure that the node is no longer the target of
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any pod scheduling. Promenade will evicts or deletes any
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running pod on the node.
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"""
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def do_execute(self):
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# Placeholder function. Updates will be made when the Promenade
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# API is ready for consumption.
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# TODO(bryan-strassner) use:
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# self.dc['kubernetes_provisioner.drain_timeout']
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# self.dc['kubernetes_provisioner.drain_grace_period']
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LOG.info("Draining node...")
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time.sleep(5)
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node_drained = True
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if node_drained:
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LOG.info("Node %s has been successfully drained",
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self.redeploy_server)
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else:
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raise AirflowException('Failed to drain %s!',
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self.redeploy_server)
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class PromenadeDrainNodeOperatorPlugin(AirflowPlugin):
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"""Creates PromenadeDrainNodeOperator in Airflow."""
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name = 'promenade_drain_node_operator'
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operators = [PromenadeDrainNodeOperator]
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