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# 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 kubernetes import client, config

from kubernetes.client import configuration

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

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("%s\t%s\t%s" %

(i.status.pod_ip, i.metadata.namespace, i.metadata.name))

print("\n\nList of pods on %s:" % cluster2)

for i in client2.list_pod_for_all_namespaces().items:

print("%s\t%s\t%s" %

(i.status.pod_ip, i.metadata.namespace, i.metadata.name))

if __name__ == '__main__':

main()