python/examples/pod_config_list.py
Priyanka Saggu 6f097330cf
drop python2 support
- remove python2 from the .travis.yaml file
  - remove python2 from the tox.ini file
  - remove `-y` flag from isort command in update-pycodestle.sh script
  - fix sequence of module imports to fix faiing pycodestyle check in the following files:
    - examples/multiple_clusters.py
    - examples/pick_kube_config_context.py
    - examples/pod_config_list.py
  - testing coverage & codecov tests with python3
  - testing `update-pycodestyle` for python v3.9 and arch ppc6le

Signed-off-by: Priyanka Saggu <priyankasaggu11929@gmail.com>
2021-05-15 00:57:04 +05:30

56 lines
1.8 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.
"""
Allows you to pick a context and then lists all pods in the chosen context. A
context includes a cluster, a user, and a namespace.
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'])
option, _ = pick(contexts, title="Pick the context to load",
default_index=active_index)
# Configs can be set in Configuration class directly or using helper
# utility
config.load_kube_config(context=option)
print("Active host is %s" % configuration.Configuration().host)
v1 = client.CoreV1Api()
print("Listing pods with their IPs:")
ret = v1.list_pod_for_all_namespaces(watch=False)
for item in ret.items:
print(
"%s\t%s\t%s" %
(item.status.pod_ip,
item.metadata.namespace,
item.metadata.name))
if __name__ == '__main__':
main()