def rescale_deployment(v1, name, num_replicas):
logger.info("Rescaling deployment {} to {} replicas", name, num_replicas)
scale = client.V1Scale(spec=client.V1ScaleSpec(replicas=num_replicas))
v1.patch_namespaced_deployment_scale(name=name,
namespace=NAMESPACE,
body=scale)
def main():
#load kubernetes configs
config.load_incluster_config()
configuration = client.Configuration()
# create an instance of the API class
api_instance = client.AppsV1Api(client.ApiClient(configuration))
#set name, namespace, and body
name = 'commerce-nginx' # str | name of the Scale
namespace = 'default' # str | object name and auth scope, such as for teams and projects
body = client.V1Scale(metadata=V1ObjectMeta(name=name,
namespace=namespace),
spec=V1ScaleSpec(replicas=numpods))
#run method with above parameters
try:
api_response = api_instance.replace_namespaced_deployment_scale(
name, namespace, body)
print("Scaling", name, "to", numpods, "pods.") # print how many pods
pprint(api_response) #uncomment to see api response
except ApiException as e:
print(
"Exception when calling AppsV1Api->replace_namespaced_deployment_scale: %s\n"
% e)
def create_scale_object(new_scale):
scale_spec = client.V1ScaleSpec(replicas=new_scale)
status = client.V1ScaleStatus(replicas=new_scale)
scale = client.V1Scale(api_version='corev1',
kind='Scale',
spec=scale_spec,
status=status)
return scale
def scale(self, deployment, replicas, wait_for=False):
# create scale object
scale_obj = client.V1Scale()
scale_obj.metadata = client.V1ObjectMeta()
scale_obj.metadata.name = deployment
scale_obj.metadata.namespace = self.namespace
scale_obj.spec = client.V1ScaleSpec()
scale_obj.spec.replicas = replicas
self.apps_v1_api.replace_namespaced_deployment_scale(deployment,
self.namespace,
body=scale_obj)
if wait_for:
self.wait_replicas(deployment, replicas)
def set_deployment_scale(arg_cli,arg_ns,arg_rs,arg_scale):
mt_config = client.V1ObjectMeta()
mt_config.name = arg_rs
mt_config. namespace = arg_ns
rs_config = client.V1ScaleSpec()
rs_config.replicas = arg_scale
s_config = client.V1Scale()
s_config.api_version = 'autoscaling/v1'
s_config.kind = "Scale"
s_config.spec = rs_config
s_config.metadata = mt_config
try:
ret_val = arg_cli.replace_namespaced_deployment_scale(name=arg_rs, namespace=arg_ns, body=s_config)
#ret_val = arg_cli.replace_namespaced_replication_controller_scale(name=arg_rs, namespace=arg_ns, body=2)
print(ret_val)
except ApiException as e:
print("Exception %s" % e )