52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
# 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.
|
|
|
|
"""
|
|
This example demonstrates the following:
|
|
- Get a list of all the cluster nodes
|
|
- Iterate through each node list item
|
|
- Add or overwrite label "foo" with the value "bar"
|
|
- Remove the label "baz"
|
|
- Return the list of node with updated labels
|
|
"""
|
|
|
|
from kubernetes import client, config
|
|
|
|
|
|
def main():
|
|
config.load_kube_config()
|
|
|
|
api_instance = client.CoreV1Api()
|
|
|
|
body = {
|
|
"metadata": {
|
|
"labels": {
|
|
"foo": "bar",
|
|
"baz": None}
|
|
}
|
|
}
|
|
|
|
# Listing the cluster nodes
|
|
node_list = api_instance.list_node()
|
|
|
|
print("%s\t\t%s" % ("NAME", "LABELS"))
|
|
# Patching the node labels
|
|
for node in node_list.items:
|
|
api_response = api_instance.patch_node(node.metadata.name, body)
|
|
print("%s\t%s" % (node.metadata.name, node.metadata.labels))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|