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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 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()
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