107 lines
4.1 KiB
Python
107 lines
4.1 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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"""Invoke the Drydock steps for destroying a node."""
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import logging
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from airflow.exceptions import AirflowException
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from airflow.plugins_manager import AirflowPlugin
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try:
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from drydock_base_operator import DrydockBaseOperator
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from drydock_base_operator import gen_node_name_filter
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from drydock_errors import (
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DrydockTaskFailedException,
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DrydockTaskTimeoutException
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)
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except ImportError:
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from shipyard_airflow.plugins.drydock_base_operator import \
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DrydockBaseOperator
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from shipyard_airflow.plugins.drydock_base_operator import \
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gen_node_name_filter
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from shipyard_airflow.plugins.drydock_errors import (
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DrydockTaskFailedException,
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DrydockTaskTimeoutException
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)
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LOG = logging.getLogger(__name__)
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class DrydockDestroyNodeOperator(DrydockBaseOperator):
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"""Drydock Destroy Node Operator
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This operator will trigger drydock to destroy a bare metal
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node
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"""
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def do_execute(self):
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self.successes = []
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LOG.info("Destroying nodes [%s]", ", ".join(self.target_nodes))
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self.setup_configured_values()
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self.node_filter = gen_node_name_filter(self.target_nodes)
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self.execute_destroy()
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self.successes = self.get_successes_for_task(self.drydock_task_id)
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self.report_summary()
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if not self.is_destroy_successful():
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raise AirflowException(
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"One or more nodes requested for destruction failed to destroy"
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)
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def setup_configured_values(self):
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"""Retrieve and localize the interval and timeout values for destroy
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"""
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self.dest_interval = self.dc['physical_provisioner.destroy_interval']
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self.dest_timeout = self.dc['physical_provisioner.destroy_timeout']
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def execute_destroy(self):
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"""Run the task to destroy the nodes specified in the node_filter
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:param node_filter: The Drydock node filter with the nodes to destroy
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"""
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task_name = 'destroy_nodes'
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self.create_task(task_name)
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try:
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self.query_task(self.dest_interval, self.dest_timeout)
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except DrydockTaskFailedException:
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LOG.exception("Task %s has failed. Some nodes may have been "
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"destroyed. The report at the end of processing "
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"this step contains the results", task_name)
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except DrydockTaskTimeoutException:
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LOG.warn("Task %s has timed out after %s seconds. Some nodes may "
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"have been destroyed. The report at the end of "
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"processing this step contains the results", task_name,
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self.dest_timeout)
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def report_summary(self):
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"""Reports the successfully destroyed nodes"""
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failed = list(set(self.target_nodes) - set(self.successes))
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LOG.info("===== Destroy Nodes Summary =====")
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LOG.info(" Nodes requested: %s", ", ".join(sorted(self.target_nodes)))
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LOG.info(" Nodes destroyed: %s ", ", ".join(sorted(self.successes)))
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LOG.info(" Nodes not destroyed: %s", ", ".join(sorted(failed)))
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LOG.info("===== End Destroy Nodes Summary =====")
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def is_destroy_successful(self):
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"""Boolean if the destroy nodes was completely succesful."""
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failed = set(self.target_nodes) - set(self.successes)
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return not failed
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class DrydockDestroyNodeOperatorPlugin(AirflowPlugin):
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"""Creates DrydockDestroyNodeOperator in Airflow."""
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name = 'drydock_destroy_node_operator'
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operators = [DrydockDestroyNodeOperator]
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