# 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.

"""

Allows you to pick a context and then lists all pods in the chosen context.

Please install the pick library before running this example.

"""

from pick import pick # install pick using `pip install pick`

from kubernetes import client, config

from kubernetes.client import configuration

def main():

contexts, active_context = config.list_kube_config_contexts()

if not contexts:

print("Cannot find any context in kube-config file.")

return

contexts = [context['name'] for context in contexts]

active_index = contexts.index(active_context['name'])

cluster1, first_index = pick(contexts, title="Pick the first context",

default_index=active_index)

cluster2, _ = pick(contexts, title="Pick the second context",

default_index=first_index)

client1 = client.CoreV1Api(

api_client=config.new_client_from_config(context=cluster1))

client2 = client.CoreV1Api(

api_client=config.new_client_from_config(context=cluster2))

print("\nList of pods on %s:" % cluster1)

for i in client1.list_pod_for_all_namespaces().items:

print(f"{i.status.pod_ip}\t{i.metadata.namespace}\t{i.metadata.name}")

print(f"\n\nList of pods on {cluster2}:")

for i in client2.list_pod_for_all_namespaces().items:

print(f"{i.status.pod_ip}\t{i.metadata.namespace}\t{i.metadata.name}")

if __name__ == '__main__':

main()