example annotate deployment

examples/annotate_deployment.py

@@ -0,0 +1,88 @@
+"""
+This example covers the following:
+    - Create deployment
+    - Annotate deployment
+"""
+
+
+from kubernetes import client, config
+import time
+
+
+def create_deployment_object():
+    container = client.V1Container(
+        name="nginx-sample",
+        image="nginx",
+        image_pull_policy="IfNotPresent",
+        ports=[client.V1ContainerPort(container_port=80)],
+    )
+    # Template
+    template = client.V1PodTemplateSpec(
+        metadata=client.V1ObjectMeta(labels={"app": "nginx"}),
+        spec=client.V1PodSpec(containers=[container]))
+    # Spec
+    spec = client.V1DeploymentSpec(
+        replicas=1,
+        selector=client.V1LabelSelector(
+            match_labels={"app": "nginx"}
+        ),
+        template=template)
+    # Deployment
+    deployment = client.V1Deployment(
+        api_version="apps/v1",
+        kind="Deployment",
+        metadata=client.V1ObjectMeta(name="deploy-nginx"),
+        spec=spec)
+
+    return deployment
+
+
+def create_deployment(apps_v1_api, deployment_object):
+    # Create the Deployment in default namespace
+    # You can replace the namespace with you have created
+    apps_v1_api.create_namespaced_deployment(
+        namespace="default", body=deployment_object
+    )
+
+
+def annotate_deployment(apps_v1_api, deployment_name, annotations):
+    # Annotate the Deployment in default namespace
+    # You can replace the namespace with you have created
+    apps_v1_api.patch_namespaced_deployment(
+        name=deployment_name, namespace='default', body=annotations)
+
+
+def main():
+    # Loading the local kubeconfig
+    config.load_kube_config()
+    apps_v1_api = client.AppsV1Api()
+    deployment_obj = create_deployment_object()
+
+    create_deployment(apps_v1_api, deployment_obj)
+    time.sleep(1)
+    before_annotating = apps_v1_api.read_namespaced_deployment(
+        'deploy-nginx', 'default')
+    print('Before annotating, annotations: %s' %
+          before_annotating.metadata.annotations)
+
+    annotations = [
+        {
+            'op': 'add',  # You can try different operations like 'replace', 'add' and 'remove'
+            'path': '/metadata/annotations',
+            'value': {
+                'deployment.kubernetes.io/str': 'nginx',
+                'deployment.kubernetes.io/int': '5'
+            }
+        }
+    ]
+
+    annotate_deployment(apps_v1_api, 'deploy-nginx', annotations)
+    time.sleep(1)
+    after_annotating = apps_v1_api.read_namespaced_deployment(
+        name='deploy-nginx', namespace='default')
+    print('After annotating, annotations: %s' %
+          after_annotating.metadata.annotations)
+
+
+if __name__ == "__main__":
+    main()