executor.py

from kubernetes.client import ApiException


def execute(deploys):
    from kubernetes import client, config
    from time import time

    configuration = config.load_kube_config()
    api_instance = client.AppsV1Api(client.ApiClient(configuration))

    for dname, deploy in deploys.items():
        if deploy['adaptation_command'] != '':
            name = dname
            replicas_neeeded = deploy['replicas']['needed']
            namespace = deploy['namespace']
            body = {'spec': {'replicas': replicas_neeeded}}
            pretty = 'true'

            try:
                api_instance.patch_namespaced_deployment_scale(name, namespace, body, pretty=pretty)
                deploy['stabilization'][deploy['adaptation_command']] = time()
                print(name + ' have a scale operation', replicas_neeeded)
            except ApiException as e:
                print("Exception when calling AppsV1Api->patch_namespaced_deployment_scale: %s\n" % e)