Source code for airflow.contrib.sensors.sagemaker_endpoint_sensor

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from airflow.contrib.hooks.sagemaker_hook import SageMakerHook
from airflow.contrib.sensors.sagemaker_base_sensor import SageMakerBaseSensor
from airflow.utils.decorators import apply_defaults


[docs]class SageMakerEndpointSensor(SageMakerBaseSensor):
    """
    Asks for the state of the endpoint state until it reaches a terminal state.
    If it fails the sensor errors, the task fails.

    :param job_name: job_name of the endpoint instance to check the state of
    :type job_name: str
    """

[docs]    template_fields = ['endpoint_name']
[docs]    template_ext = ()

    @apply_defaults
    def __init__(self,
                 endpoint_name,
                 *args,
                 **kwargs):
        super(SageMakerEndpointSensor, self).__init__(*args, **kwargs)
        self.endpoint_name = endpoint_name

[docs]    def non_terminal_states(self):
        return SageMakerHook.endpoint_non_terminal_states

[docs]    def failed_states(self):
        return SageMakerHook.failed_states

[docs]    def get_sagemaker_response(self):
        sagemaker = SageMakerHook(aws_conn_id=self.aws_conn_id)

        self.log.info('Poking Sagemaker Endpoint %s', self.endpoint_name)
        return sagemaker.describe_endpoint(self.endpoint_name)

[docs]    def get_failed_reason_from_response(self, response):
        return response['FailureReason']

[docs]    def state_from_response(self, response):
        return response['EndpointStatus']