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
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.
”””
This example demonstrates the following:
- Creation of a k8s configmap using dynamic-client
- List, patch(update), delete the configmap
“”“
from kubernetes import config, dynamic
from kubernetes.client import api_client
def main():
# Creating a dynamic client
client = dynamic.DynamicClient(
api_client.ApiClient(configuration=config.load_kube_config())
)
# fetching the configmap api
api = client.resources.get(api_version="v1", kind="ConfigMap")
configmap_name = "test-configmap"
configmap_manifest = {
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": configmap_name,
"labels": {
"foo": "bar",
},
},
"data": {
"config.json": '{"command":"/usr/bin/mysqld_safe"}',
"frontend.cnf": "[mysqld]\nbind-address = 10.0.0.3\n",
},
}
Creating configmap test-configmap in the default namespace
configmap = api.create(body=configmap_manifest, namespace=”default”)
print(“\n[INFO] configmap test-configmap created\n”)
Listing the configmaps in the default namespace
configmap_list = api.get(
name=configmap_name, namespace=”default”, label_selector=”foo=bar”
)
print(“NAME:\n%s\n” % (configmap_list.metadata.name))
print(“DATA:\n%s\n” % (configmap_list.data))
Updating the configmap’s data, config.json
configmap_manifest[“data”][“config.json”] = “{}”
configmap_patched = api.patch(
name=configmap_name, namespace=”default”, body=configmap_manifest
)
print(“\n[INFO] configmap test-configmap patched\n”)
print(“NAME:\n%s\n” % (configmap_patched.metadata.name))
print(“DATA:\n%s\n” % (configmap_patched.data))
Deleting configmap test-configmap from the default namespace
configmap_deleted = api.delete(name=configmap_name, body={}, namespace=”default”)
print(“\n[INFO] configmap test-configmap deleted\n”)
if name == “main”:
main()
