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#
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from __future__ import annotations
import warnings
from airflow.exceptions import AirflowProviderDeprecationWarning
from airflow.providers.amazon.aws.hooks.base_aws import AwsGenericHook
from airflow.providers.amazon.aws.hooks.redshift_cluster import RedshiftHook
from airflow.providers.amazon.aws.triggers.base import AwsBaseWaiterTrigger
[docs]class RedshiftCreateClusterTrigger(AwsBaseWaiterTrigger):
"""
Trigger for RedshiftCreateClusterOperator.
The trigger will asynchronously poll the boto3 API and wait for the
Redshift cluster to be in the `available` state.
:param cluster_identifier: A unique identifier for the cluster.
: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,
cluster_identifier: str,
poll_interval: int | None = None,
max_attempt: int | None = None,
aws_conn_id: str = "aws_default",
waiter_delay: int = 15,
waiter_max_attempts: int = 999999,
):
if poll_interval is not None or max_attempt is not None:
warnings.warn(
"please use waiter_delay instead of poll_interval "
"and waiter_max_attempts instead of max_attempt.",
AirflowProviderDeprecationWarning,
stacklevel=2,
)
waiter_delay = poll_interval or waiter_delay
waiter_max_attempts = max_attempt or waiter_max_attempts
super().__init__(
serialized_fields={"cluster_identifier": cluster_identifier},
waiter_name="cluster_available",
waiter_args={"ClusterIdentifier": cluster_identifier},
failure_message="Error while creating the redshift cluster",
status_message="Redshift cluster creation in progress",
status_queries=["Clusters[].ClusterStatus"],
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 RedshiftHook(aws_conn_id=self.aws_conn_id)
[docs]class RedshiftPauseClusterTrigger(AwsBaseWaiterTrigger):
"""
Trigger for RedshiftPauseClusterOperator.
The trigger will asynchronously poll the boto3 API and wait for the
Redshift cluster to be in the `paused` state.
:param cluster_identifier: A unique identifier for the cluster.
: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,
cluster_identifier: str,
poll_interval: int | None = None,
max_attempts: int | None = None,
aws_conn_id: str = "aws_default",
waiter_delay: int = 15,
waiter_max_attempts: int = 999999,
):
if poll_interval is not None or max_attempts is not None:
warnings.warn(
"please use waiter_delay instead of poll_interval "
"and waiter_max_attempts instead of max_attempt.",
AirflowProviderDeprecationWarning,
stacklevel=2,
)
waiter_delay = poll_interval or waiter_delay
waiter_max_attempts = max_attempts or waiter_max_attempts
super().__init__(
serialized_fields={"cluster_identifier": cluster_identifier},
waiter_name="cluster_paused",
waiter_args={"ClusterIdentifier": cluster_identifier},
failure_message="Error while pausing the redshift cluster",
status_message="Redshift cluster pausing in progress",
status_queries=["Clusters[].ClusterStatus"],
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 RedshiftHook(aws_conn_id=self.aws_conn_id)
[docs]class RedshiftCreateClusterSnapshotTrigger(AwsBaseWaiterTrigger):
"""
Trigger for RedshiftCreateClusterSnapshotOperator.
The trigger will asynchronously poll the boto3 API and wait for the
Redshift cluster snapshot to be in the `available` state.
:param cluster_identifier: A unique identifier for the cluster.
: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,
cluster_identifier: str,
poll_interval: int | None = None,
max_attempts: int | None = None,
aws_conn_id: str = "aws_default",
waiter_delay: int = 15,
waiter_max_attempts: int = 999999,
):
if poll_interval is not None or max_attempts is not None:
warnings.warn(
"please use waiter_delay instead of poll_interval "
"and waiter_max_attempts instead of max_attempt.",
AirflowProviderDeprecationWarning,
stacklevel=2,
)
waiter_delay = poll_interval or waiter_delay
waiter_max_attempts = max_attempts or waiter_max_attempts
super().__init__(
serialized_fields={"cluster_identifier": cluster_identifier},
waiter_name="snapshot_available",
waiter_args={"ClusterIdentifier": cluster_identifier},
failure_message="Create Cluster Snapshot Failed",
status_message="Redshift Cluster Snapshot in progress",
status_queries=["Clusters[].ClusterStatus"],
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 RedshiftHook(aws_conn_id=self.aws_conn_id)
[docs]class RedshiftResumeClusterTrigger(AwsBaseWaiterTrigger):
"""
Trigger for RedshiftResumeClusterOperator.
The trigger will asynchronously poll the boto3 API and wait for the
Redshift cluster to be in the `available` state.
:param cluster_identifier: A unique identifier for the cluster.
: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,
cluster_identifier: str,
poll_interval: int | None = None,
max_attempts: int | None = None,
aws_conn_id: str = "aws_default",
waiter_delay: int = 15,
waiter_max_attempts: int = 999999,
):
if poll_interval is not None or max_attempts is not None:
warnings.warn(
"please use waiter_delay instead of poll_interval "
"and waiter_max_attempts instead of max_attempt.",
AirflowProviderDeprecationWarning,
stacklevel=2,
)
waiter_delay = poll_interval or waiter_delay
waiter_max_attempts = max_attempts or waiter_max_attempts
super().__init__(
serialized_fields={"cluster_identifier": cluster_identifier},
waiter_name="cluster_resumed",
waiter_args={"ClusterIdentifier": cluster_identifier},
failure_message="Resume Cluster Snapshot Failed",
status_message="Redshift Cluster resuming in progress",
status_queries=["Clusters[].ClusterStatus"],
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 RedshiftHook(aws_conn_id=self.aws_conn_id)
[docs]class RedshiftDeleteClusterTrigger(AwsBaseWaiterTrigger):
"""
Trigger for RedshiftDeleteClusterOperator.
:param cluster_identifier: A unique identifier for the cluster.
:param waiter_max_attempts: The maximum number of attempts to be made.
:param aws_conn_id: The Airflow connection used for AWS credentials.
:param waiter_delay: The amount of time in seconds to wait between attempts.
"""
def __init__(
self,
cluster_identifier: str,
poll_interval: int | None = None,
max_attempts: int | None = None,
aws_conn_id: str = "aws_default",
waiter_delay: int = 30,
waiter_max_attempts: int = 30,
):
if poll_interval is not None or max_attempts is not None:
warnings.warn(
"please use waiter_delay instead of poll_interval "
"and waiter_max_attempts instead of max_attempt.",
AirflowProviderDeprecationWarning,
stacklevel=2,
)
waiter_delay = poll_interval or waiter_delay
waiter_max_attempts = max_attempts or waiter_max_attempts
super().__init__(
serialized_fields={"cluster_identifier": cluster_identifier},
waiter_name="cluster_deleted",
waiter_args={"ClusterIdentifier": cluster_identifier},
failure_message="Delete Cluster Failed",
status_message="Redshift Cluster deletion in progress",
status_queries=["Clusters[].ClusterStatus"],
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 RedshiftHook(aws_conn_id=self.aws_conn_id)
