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#
# http://www.apache.org/licenses/LICENSE-2.0
#
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from __future__ import annotations
import sys
from typing import TYPE_CHECKING
from airflow.providers.amazon.aws.hooks.emr import EmrContainerHook, EmrHook, EmrServerlessHook
from airflow.providers.amazon.aws.triggers.base import AwsBaseWaiterTrigger
if TYPE_CHECKING:
from airflow.providers.amazon.aws.hooks.base_aws import AwsGenericHook
[docs]class EmrAddStepsTrigger(AwsBaseWaiterTrigger):
"""
Poll for the status of EMR steps until they reach terminal state.
:param job_flow_id: job_flow_id which contains the steps to check the state of
:param step_ids: steps to check the state of
:param waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
job_flow_id: str,
step_ids: list[str],
waiter_delay: int,
waiter_max_attempts: int,
aws_conn_id: str | None = "aws_default",
):
super().__init__(
serialized_fields={"job_flow_id": job_flow_id, "step_ids": step_ids},
waiter_name="steps_wait_for_terminal",
waiter_args={"ClusterId": job_flow_id, "StepIds": step_ids},
failure_message=f"Error while waiting for steps {step_ids} to complete",
status_message=f"Step ids: {step_ids}, Steps are still in non-terminal state",
status_queries=[
"Steps[].Status.State",
"Steps[].Status.FailureDetails",
],
return_value=step_ids,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrHook(aws_conn_id=self.aws_conn_id)
[docs]class EmrCreateJobFlowTrigger(AwsBaseWaiterTrigger):
"""
Asynchronously poll the boto3 API and wait for the JobFlow to finish executing.
:param job_flow_id: The id of the job flow to wait for.
:param waiter_delay: The amount of time in seconds to wait between attempts.
:param waiter_max_attempts: The maximum number of attempts to be made.
:param aws_conn_id: The Airflow connection used for AWS credentials.
"""
def __init__(
self,
job_flow_id: str,
aws_conn_id: str | None = None,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
):
super().__init__(
serialized_fields={"job_flow_id": job_flow_id},
waiter_name="job_flow_waiting",
waiter_args={"ClusterId": job_flow_id},
failure_message="JobFlow creation failed",
status_message="JobFlow creation in progress",
status_queries=[
"Cluster.Status.State",
"Cluster.Status.StateChangeReason",
"Cluster.Status.ErrorDetails",
],
return_key="job_flow_id",
return_value=job_flow_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrHook(aws_conn_id=self.aws_conn_id)
[docs]class EmrTerminateJobFlowTrigger(AwsBaseWaiterTrigger):
"""
Asynchronously poll the boto3 API and wait for the JobFlow to finish terminating.
:param job_flow_id: ID of the EMR Job Flow to terminate
:param waiter_delay: The amount of time in seconds to wait between attempts.
:param waiter_max_attempts: The maximum number of attempts to be made.
:param aws_conn_id: The Airflow connection used for AWS credentials.
"""
def __init__(
self,
job_flow_id: str,
aws_conn_id: str | None = None,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
):
super().__init__(
serialized_fields={"job_flow_id": job_flow_id},
waiter_name="job_flow_terminated",
waiter_args={"ClusterId": job_flow_id},
failure_message="JobFlow termination failed",
status_message="JobFlow termination in progress",
status_queries=[
"Cluster.Status.State",
"Cluster.Status.StateChangeReason",
"Cluster.Status.ErrorDetails",
],
return_value=None,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrHook(aws_conn_id=self.aws_conn_id)
[docs]class EmrContainerTrigger(AwsBaseWaiterTrigger):
"""
Poll for the status of EMR container until reaches terminal state.
:param virtual_cluster_id: Reference Emr cluster id
:param job_id: job_id to check the state
:param aws_conn_id: Reference to AWS connection id
:param waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made. Defaults to an infinite wait.
"""
def __init__(
self,
virtual_cluster_id: str,
job_id: str,
aws_conn_id: str | None = "aws_default",
waiter_delay: int = 30,
waiter_max_attempts: int = sys.maxsize,
):
super().__init__(
serialized_fields={"virtual_cluster_id": virtual_cluster_id, "job_id": job_id},
waiter_name="container_job_complete",
waiter_args={"id": job_id, "virtualClusterId": virtual_cluster_id},
failure_message="Job failed",
status_message="Job in progress",
status_queries=["jobRun.state", "jobRun.failureReason"],
return_key="job_id",
return_value=job_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrContainerHook(aws_conn_id=self.aws_conn_id)
[docs]class EmrStepSensorTrigger(AwsBaseWaiterTrigger):
"""
Poll for the status of EMR container until reaches terminal state.
:param job_flow_id: job_flow_id which contains the step check the state of
:param step_id: step to check the state of
:param waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
job_flow_id: str,
step_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
):
super().__init__(
serialized_fields={"job_flow_id": job_flow_id, "step_id": step_id},
waiter_name="step_wait_for_terminal",
waiter_args={"ClusterId": job_flow_id, "StepId": step_id},
failure_message=f"Error while waiting for step {step_id} to complete",
status_message=f"Step id: {step_id}, Step is still in non-terminal state",
status_queries=[
"Step.Status.State",
"Step.Status.FailureDetails",
"Step.Status.StateChangeReason",
],
return_value=None,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrHook(aws_conn_id=self.aws_conn_id)
[docs]class EmrServerlessCreateApplicationTrigger(AwsBaseWaiterTrigger):
"""
Poll an Emr Serverless application and wait for it to be created.
:param application_id: The ID of the application being polled.
:waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
application_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
) -> None:
super().__init__(
serialized_fields={"application_id": application_id},
waiter_name="serverless_app_created",
waiter_args={"applicationId": application_id},
failure_message="Application creation failed",
status_message="Application status is",
status_queries=["application.state", "application.stateDetails"],
return_key="application_id",
return_value=application_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
[docs]class EmrServerlessStartApplicationTrigger(AwsBaseWaiterTrigger):
"""
Poll an Emr Serverless application and wait for it to be started.
:param application_id: The ID of the application being polled.
:waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
application_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
) -> None:
super().__init__(
serialized_fields={"application_id": application_id},
waiter_name="serverless_app_started",
waiter_args={"applicationId": application_id},
failure_message="Application failed to start",
status_message="Application status is",
status_queries=["application.state", "application.stateDetails"],
return_key="application_id",
return_value=application_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
[docs]class EmrServerlessStopApplicationTrigger(AwsBaseWaiterTrigger):
"""
Poll an Emr Serverless application and wait for it to be stopped.
:param application_id: The ID of the application being polled.
:waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id.
"""
def __init__(
self,
application_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
) -> None:
super().__init__(
serialized_fields={"application_id": application_id},
waiter_name="serverless_app_stopped",
waiter_args={"applicationId": application_id},
failure_message="Application failed to start",
status_message="Application status is",
status_queries=["application.state", "application.stateDetails"],
return_key="application_id",
return_value=application_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
[docs]class EmrServerlessStartJobTrigger(AwsBaseWaiterTrigger):
"""
Poll an Emr Serverless job run and wait for it to be completed.
:param application_id: The ID of the application the job in being run on.
:param job_id: The ID of the job run.
:waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
application_id: str,
job_id: str | None,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
) -> None:
super().__init__(
serialized_fields={"application_id": application_id, "job_id": job_id},
waiter_name="serverless_job_completed",
waiter_args={"applicationId": application_id, "jobRunId": job_id},
failure_message="Serverless Job failed",
status_message="Serverless Job status is",
status_queries=["jobRun.state", "jobRun.stateDetails"],
return_key="job_id",
return_value=job_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
[docs]class EmrServerlessDeleteApplicationTrigger(AwsBaseWaiterTrigger):
"""
Poll an Emr Serverless application and wait for it to be deleted.
:param application_id: The ID of the application being polled.
:waiter_delay: polling period in seconds to check for the status
:param waiter_max_attempts: The maximum number of attempts to be made
:param aws_conn_id: Reference to AWS connection id
"""
def __init__(
self,
application_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = "aws_default",
) -> None:
super().__init__(
serialized_fields={"application_id": application_id},
waiter_name="serverless_app_terminated",
waiter_args={"applicationId": application_id},
failure_message="Application failed to start",
status_message="Application status is",
status_queries=["application.state", "application.stateDetails"],
return_key="application_id",
return_value=application_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
[docs]class EmrServerlessCancelJobsTrigger(AwsBaseWaiterTrigger):
"""
Trigger for canceling a list of jobs in an EMR Serverless application.
:param application_id: EMR Serverless application ID
:param aws_conn_id: Reference to AWS connection id
:param waiter_delay: Delay in seconds between each attempt to check the status
:param waiter_max_attempts: Maximum number of attempts to check the status
"""
def __init__(
self,
application_id: str,
aws_conn_id: str | None,
waiter_delay: int,
waiter_max_attempts: int,
) -> None:
states = list(EmrServerlessHook.JOB_INTERMEDIATE_STATES.union({"CANCELLING"}))
super().__init__(
serialized_fields={"application_id": application_id},
waiter_name="no_job_running",
waiter_args={"applicationId": application_id, "states": states},
failure_message="Error while waiting for jobs to cancel",
status_message="Currently running jobs",
status_queries=["jobRuns[*].applicationId", "jobRuns[*].state"],
return_key="application_id",
return_value=application_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
)
[docs] def hook(self) -> AwsGenericHook:
return EmrServerlessHook(self.aws_conn_id)
@property
[docs] def hook_instance(self) -> AwsGenericHook:
"""This property is added for backward compatibility."""
return self.hook()