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67 lines
2.3 KiB
67 lines
2.3 KiB
# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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"""This module contains the AWS DynamoDB hook""" |
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from typing import Iterable, List, Optional |
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from airflow.exceptions import AirflowException |
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from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook |
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class AwsDynamoDBHook(AwsBaseHook): |
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""" |
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Interact with AWS DynamoDB. |
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Additional arguments (such as ``aws_conn_id``) may be specified and |
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are passed down to the underlying AwsBaseHook. |
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.. seealso:: |
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:class:`~airflow.providers.amazon.aws.hooks.base_aws.AwsBaseHook` |
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:param table_keys: partition key and sort key |
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:type table_keys: list |
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:param table_name: target DynamoDB table |
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:type table_name: str |
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""" |
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def __init__( |
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self, |
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*args, |
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table_keys: Optional[List] = None, |
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table_name: Optional[str] = None, |
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**kwargs, |
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) -> None: |
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self.table_keys = table_keys |
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self.table_name = table_name |
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kwargs["resource_type"] = "dynamodb" |
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super().__init__(*args, **kwargs) |
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def write_batch_data(self, items: Iterable) -> bool: |
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"""Write batch items to DynamoDB table with provisioned throughout capacity.""" |
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try: |
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table = self.get_conn().Table(self.table_name) |
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with table.batch_writer(overwrite_by_pkeys=self.table_keys) as batch: |
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for item in items: |
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batch.put_item(Item=item) |
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return True |
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except Exception as general_error: |
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raise AirflowException( |
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f"Failed to insert items in dynamodb, error: {str(general_error)}" |
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)
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