airflow local_to_wasb 源码
airflow local_to_wasb 代码
文件路径：/airflow/providers/microsoft/azure/transfers/local_to_wasb.py
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
from typing import TYPE_CHECKING, Sequence
from airflow.models import BaseOperator
from airflow.providers.microsoft.azure.hooks.wasb import WasbHook
if TYPE_CHECKING:
from airflow.utils.context import Context
class LocalFilesystemToWasbOperator(BaseOperator):
"""
Uploads a file to Azure Blob Storage.
:param file_path: Path to the file to load. (templated)
:param container_name: Name of the container. (templated)
:param blob_name: Name of the blob. (templated)
:param wasb_conn_id: Reference to the wasb connection.
:param create_container: Attempt to create the target container prior to uploading the blob. This is
useful if the target container may not exist yet. Defaults to False.
:param load_options: Optional keyword arguments that
`WasbHook.load_file()` takes.
"""
template_fields: Sequence[str] = ('file_path', 'container_name', 'blob_name')
def __init__(
self,
*,
file_path: str,
container_name: str,
blob_name: str,
wasb_conn_id: str = 'wasb_default',
create_container: bool = False,
load_options: dict | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
if load_options is None:
load_options = {}
self.file_path = file_path
self.container_name = container_name
self.blob_name = blob_name
self.wasb_conn_id = wasb_conn_id
self.create_container = create_container
self.load_options = load_options
def execute(self, context: Context) -> None:
"""Upload a file to Azure Blob Storage."""
hook = WasbHook(wasb_conn_id=self.wasb_conn_id)
self.log.info(
'Uploading %s to wasb://%s as %s',
self.file_path,
self.container_name,
self.blob_name,
)
hook.load_file(
file_path=self.file_path,
container_name=self.container_name,
blob_name=self.blob_name,
create_container=self.create_container,
**self.load_options,
)
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