Source code for airflow.providers.cncf.kubernetes.operators.spark_kubernetes
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from typing import Optional
from airflow.models import BaseOperator
from airflow.providers.cncf.kubernetes.hooks.kubernetes import KubernetesHook
from airflow.utils.decorators import apply_defaults
[docs]class SparkKubernetesOperator(BaseOperator):
"""
Creates sparkApplication object in kubernetes cluster:
.. seealso::
For more detail about Spark Application Object have a look at the reference:
https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/v1beta2-1.1.0-2.4.5/docs/api-docs.md#sparkapplication
:param application_file: filepath to kubernetes custom_resource_definition of sparkApplication
:type application_file: str
:param namespace: kubernetes namespace to put sparkApplication
:type namespace: str
:param kubernetes_conn_id: the connection to Kubernetes cluster
:type kubernetes_conn_id: str
"""
[docs] template_fields = ['application_file', 'namespace']
[docs] template_ext = ('yaml', 'yml', 'json')
@apply_defaults
def __init__(
self,
*,
application_file: str,
namespace: Optional[str] = None,
kubernetes_conn_id: str = 'kubernetes_default',
**kwargs,
) -> None:
super().__init__(**kwargs)
self.application_file = application_file
self.namespace = namespace
self.kubernetes_conn_id = kubernetes_conn_id
[docs] def execute(self, context):
self.log.info("Creating sparkApplication")
hook = KubernetesHook(conn_id=self.kubernetes_conn_id)
response = hook.create_custom_object(
group="sparkoperator.k8s.io",
version="v1beta2",
plural="sparkapplications",
body=self.application_file,
namespace=self.namespace,
)
return response