86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
# Copyright 2021 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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This example demonstrates the following:
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- Creation of a k8s configmap using dynamic-client
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- List, patch(update), delete the configmap
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"""
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from kubernetes import config, dynamic
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from kubernetes.client import api_client
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def main():
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# Creating a dynamic client
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client = dynamic.DynamicClient(
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api_client.ApiClient(configuration=config.load_kube_config())
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)
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# fetching the configmap api
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api = client.resources.get(api_version="v1", kind="ConfigMap")
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configmap_name = "test-configmap"
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configmap_manifest = {
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"kind": "ConfigMap",
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"apiVersion": "v1",
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"metadata": {
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"name": configmap_name,
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"labels": {
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"foo": "bar",
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},
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},
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"data": {
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"config.json": '{"command":"/usr/bin/mysqld_safe"}',
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"frontend.cnf": "[mysqld]\nbind-address = 10.0.0.3\n",
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},
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}
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# Creating configmap `test-configmap` in the `default` namespace
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configmap = api.create(body=configmap_manifest, namespace="default")
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print("\n[INFO] configmap `test-configmap` created\n")
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# Listing the configmaps in the `default` namespace
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configmap_list = api.get(
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name=configmap_name, namespace="default", label_selector="foo=bar"
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)
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print("NAME:\n%s\n" % (configmap_list.metadata.name))
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print("DATA:\n%s\n" % (configmap_list.data))
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# Updating the configmap's data, `config.json`
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configmap_manifest["data"]["config.json"] = "{}"
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configmap_patched = api.patch(
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name=configmap_name, namespace="default", body=configmap_manifest
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)
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print("\n[INFO] configmap `test-configmap` patched\n")
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print("NAME:\n%s\n" % (configmap_patched.metadata.name))
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print("DATA:\n%s\n" % (configmap_patched.data))
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# Deleting configmap `test-configmap` from the `default` namespace
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configmap_deleted = api.delete(name=configmap_name, body={}, namespace="default")
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print("\n[INFO] configmap `test-configmap` deleted\n")
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if __name__ == "__main__":
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main()
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