61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
# Copyright 2016 Red Hat, 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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from __future__ import print_function
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import uuid
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from tripleoclient.exceptions import InvalidConfiguration
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from tripleoclient.workflows import base
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def delete_node(clients, **workflow_input):
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workflow_client = clients.workflow_engine
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tripleoclients = clients.tripleoclient
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queue_name = workflow_input['queue_name']
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execution = base.start_workflow(
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workflow_client,
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'tripleo.scale.v1.delete_node',
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workflow_input=workflow_input
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)
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with tripleoclients.messaging_websocket(queue_name) as ws:
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for payload in base.wait_for_messages(workflow_client, ws, execution,
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360):
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if payload['status'] != "SUCCESS":
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raise InvalidConfiguration(payload['message'])
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def scale_down(clients, plan_name, nodes, timeout=None):
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"""Deletes overcloud nodes from a heat stack.
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:param clients: openstack clients
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:param plan_name: name of the container holding the plan data
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:param nodes: list of node id's to remove from the stack
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:param timeout: timeout for stack update operation
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"""
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workflow_input = {
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"container": plan_name,
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"nodes": nodes,
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"queue_name": str(uuid.uuid4()),
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}
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if timeout is not None:
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workflow_input['timeout'] = timeout
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delete_node(clients, **workflow_input)
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