node_labels.py

# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
Changes the labels of the "minikube" node. Adds the label "foo" with value
"bar" and will overwrite the "foo" label if it already exists. Removes the
label "baz".
"""

from pprint import pprint

from kubernetes import client, config


def main():
    config.load_kube_config()

    api_instance = client.CoreV1Api()

    body = {
        "metadata": {
            "labels": {
                "foo": "bar",
                "baz": None}
        }
    }

    api_response = api_instance.patch_node("minikube", body)

    pprint(api_response)


if __name__ == '__main__':
    main()