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from __future__ import annotations
from enum import Enum
from typing import Union
import kubernetes.client as k8s
import kubernetes_asyncio.client as async_k8s
[docs]client_type = Union[k8s.CoreV1Api, async_k8s.CoreV1Api]
[docs]class ExecutionMode(str, Enum):
"""Enum class for execution mode."""
[docs]class KubernetesPodOperatorCallback:
"""`KubernetesPodOperator` callbacks methods.
Currently, the callbacks methods are not called in the async mode, this support will be added
in the future.
"""
@staticmethod
[docs] def on_sync_client_creation(*, client: k8s.CoreV1Api, **kwargs) -> None:
"""Invoke this callback after creating the sync client.
:param client: the created `kubernetes.client.CoreV1Api` client.
"""
pass
@staticmethod
[docs] def on_pod_creation(*, pod: k8s.V1Pod, client: client_type, mode: str, **kwargs) -> None:
"""Invoke this callback after creating the pod.
:param pod: the created pod.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
@staticmethod
[docs] def on_pod_starting(*, pod: k8s.V1Pod, client: client_type, mode: str, **kwargs) -> None:
"""Invoke this callback when the pod starts.
:param pod: the started pod.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
@staticmethod
[docs] def on_pod_completion(*, pod: k8s.V1Pod, client: client_type, mode: str, **kwargs) -> None:
"""Invoke this callback when the pod completes.
:param pod: the completed pod.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
@staticmethod
[docs] def on_pod_cleanup(*, pod: k8s.V1Pod, client: client_type, mode: str, **kwargs):
"""Invoke this callback after cleaning/deleting the pod.
:param pod: the completed pod.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
@staticmethod
[docs] def on_operator_resuming(
*, pod: k8s.V1Pod, event: dict, client: client_type, mode: str, **kwargs
) -> None:
"""Invoke this callback when resuming the `KubernetesPodOperator` from deferred state.
:param pod: the current state of the pod.
:param event: the returned event from the Trigger.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
@staticmethod
[docs] def progress_callback(*, line: str, client: client_type, mode: str, **kwargs) -> None:
"""Invoke this callback to process pod container logs.
:param line: the read line of log.
:param client: the Kubernetes client that can be used in the callback.
:param mode: the current execution mode, it's one of (`sync`, `async`).
"""
pass
