airflow volume 源码
airflow volume 代码
文件路径：/airflow/providers/cncf/kubernetes/backcompat/volume.py
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# distributed with this work for additional information
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
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"""This module is deprecated. Please use :mod:`kubernetes.client.models.V1Volume`."""
from __future__ import annotations
import warnings
from kubernetes.client import models as k8s
warnings.warn(
"This module is deprecated. Please use `kubernetes.client.models.V1Volume`.",
DeprecationWarning,
stacklevel=2,
)
class Volume:
"""Backward compatible Volume"""
def __init__(self, name, configs):
"""Adds Kubernetes Volume to pod. allows pod to access features like ConfigMaps
and Persistent Volumes
:param name: the name of the volume mount
:param configs: dictionary of any features needed for volume. We purposely keep this
vague since there are multiple volume types with changing configs.
"""
self.name = name
self.configs = configs
def to_k8s_client_obj(self) -> k8s.V1Volume:
"""
Converts to k8s object.
:return: Volume Mount k8s object
"""
resp = k8s.V1Volume(name=self.name)
for k, v in self.configs.items():
snake_key = Volume._convert_to_snake_case(k)
if hasattr(resp, snake_key):
setattr(resp, snake_key, v)
else:
raise AttributeError(f"V1Volume does not have attribute {k}")
return resp
# source: https://www.geeksforgeeks.org/python-program-to-convert-camel-case-string-to-snake-case/
@staticmethod
def _convert_to_snake_case(input_string):
return ''.join('_' + i.lower() if i.isupper() else i for i in input_string).lstrip('_')
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