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| 1 | +# Copyright 2016 The Kubernetes Authors. |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | + |
| 15 | +import os |
| 16 | + |
| 17 | +from kubernetes import client, config |
| 18 | +from kubernetes.client import configuration |
| 19 | + |
| 20 | + |
| 21 | +def main(): |
| 22 | + config_file = os.environ["HOME"] + '/.kube/config' |
| 23 | + contexts, active_context = config.list_kube_config_context(config_file) |
| 24 | + if not contexts: |
| 25 | + print("Cannot find any context in kube-config file.") |
| 26 | + return |
| 27 | + for i in range(len(contexts)): |
| 28 | + format_str = "%d. %s" |
| 29 | + if contexts[i]['name'] == active_context['name']: |
| 30 | + format_str = "* " + format_str |
| 31 | + print(format_str % (i, contexts[i]['name'])) |
| 32 | + context = input("Enter context number: ") |
| 33 | + context = int(context) |
| 34 | + if context not in range(len(contexts)): |
| 35 | + print( |
| 36 | + "Number out of range. Using default context %s." % |
| 37 | + active_context) |
| 38 | + return |
| 39 | + else: |
| 40 | + context_name = contexts[context]['name'] |
| 41 | + |
| 42 | + # Configs can be set in Configuration class directly or using helper |
| 43 | + # utility |
| 44 | + config.load_kube_config(os.environ["HOME"] + '/.kube/config', context_name) |
| 45 | + |
| 46 | + print("Active host is %s" % configuration.host) |
| 47 | + |
| 48 | + v1 = client.CoreV1Api() |
| 49 | + print("Listing pods with their IPs:") |
| 50 | + ret = v1.list_pod_for_all_namespaces(watch=False) |
| 51 | + for i in ret.items: |
| 52 | + print("%s\t%s\t%s" % |
| 53 | + (i.status.pod_ip, i.metadata.namespace, i.metadata.name)) |
| 54 | + |
| 55 | + |
| 56 | +if __name__ == '__main__': |
| 57 | + main() |
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