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| <h1>Source code for airflow.contrib.operators.s3_to_gcs_transfer_operator</h1><div class="highlight"><pre> |
| <span></span><span class="c1"># -*- coding: utf-8 -*-</span> |
| <span class="c1">#</span> |
| <span class="c1"># Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="c1"># or more contributor license agreements. See the NOTICE file</span> |
| <span class="c1"># distributed with this work for additional information</span> |
| <span class="c1"># regarding copyright ownership. The ASF licenses this file</span> |
| <span class="c1"># to you under the Apache License, Version 2.0 (the</span> |
| <span class="c1"># "License"); you may not use this file except in compliance</span> |
| <span class="c1"># with the License. You may obtain a copy of the License at</span> |
| <span class="c1">#</span> |
| <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="c1">#</span> |
| <span class="c1"># Unless required by applicable law or agreed to in writing,</span> |
| <span class="c1"># software distributed under the License is distributed on an</span> |
| <span class="c1"># "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span> |
| <span class="c1"># KIND, either express or implied. See the License for the</span> |
| <span class="c1"># specific language governing permissions and limitations</span> |
| <span class="c1"># under the License.</span> |
| |
| <span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span> |
| <span class="kn">from</span> <span class="nn">airflow.hooks.S3_hook</span> <span class="k">import</span> <span class="n">S3Hook</span> |
| <span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_transfer_hook</span> <span class="k">import</span> <span class="n">GCPTransferServiceHook</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="k">import</span> <span class="n">apply_defaults</span> |
| |
| |
| <div class="viewcode-block" id="S3ToGoogleCloudStorageTransferOperator"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.operators.s3_to_gcs_transfer_operator.S3ToGoogleCloudStorageTransferOperator">[docs]</a><span class="k">class</span> <span class="nc">S3ToGoogleCloudStorageTransferOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Synchronizes an S3 bucket with a Google Cloud Storage bucket using the</span> |
| <span class="sd"> GCP Storage Transfer Service.</span> |
| |
| <span class="sd"> :param s3_bucket: The S3 bucket where to find the objects. (templated)</span> |
| <span class="sd"> :type s3_bucket: str</span> |
| <span class="sd"> :param gcs_bucket: The destination Google Cloud Storage bucket</span> |
| <span class="sd"> where you want to store the files. (templated)</span> |
| <span class="sd"> :type gcs_bucket: str</span> |
| <span class="sd"> :param project_id: Optional ID of the Google Cloud Platform Console project that</span> |
| <span class="sd"> owns the job</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param aws_conn_id: The source S3 connection</span> |
| <span class="sd"> :type aws_conn_id: str</span> |
| <span class="sd"> :param gcp_conn_id: The destination connection ID to use</span> |
| <span class="sd"> when connecting to Google Cloud Storage.</span> |
| <span class="sd"> :type gcp_conn_id: str</span> |
| <span class="sd"> :param delegate_to: The account to impersonate, if any.</span> |
| <span class="sd"> For this to work, the service account making the request must have</span> |
| <span class="sd"> domain-wide delegation enabled.</span> |
| <span class="sd"> :type delegate_to: str</span> |
| <span class="sd"> :param description: Optional transfer service job description</span> |
| <span class="sd"> :type description: str</span> |
| <span class="sd"> :param schedule: Optional transfer service schedule; see</span> |
| <span class="sd"> https://cloud.google.com/storage-transfer/docs/reference/rest/v1/transferJobs.</span> |
| <span class="sd"> If not set, run transfer job once as soon as the operator runs</span> |
| <span class="sd"> :type schedule: dict</span> |
| <span class="sd"> :param object_conditions: Optional transfer service object conditions; see</span> |
| <span class="sd"> https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec</span> |
| <span class="sd"> :type object_conditions: dict</span> |
| <span class="sd"> :param transfer_options: Optional transfer service transfer options; see</span> |
| <span class="sd"> https://cloud.google.com/storage-transfer/docs/reference/rest/v1/TransferSpec</span> |
| <span class="sd"> :type transfer_options: dict</span> |
| <span class="sd"> :param wait: Wait for transfer to finish</span> |
| <span class="sd"> :type wait: bool</span> |
| |
| <span class="sd"> **Example**:</span> |
| |
| <span class="sd"> .. code-block:: python</span> |
| |
| <span class="sd"> s3_to_gcs_transfer_op = S3ToGoogleCloudStorageTransferOperator(</span> |
| <span class="sd"> task_id='s3_to_gcs_transfer_example',</span> |
| <span class="sd"> s3_bucket='my-s3-bucket',</span> |
| <span class="sd"> project_id='my-gcp-project',</span> |
| <span class="sd"> gcs_bucket='my-gcs-bucket',</span> |
| <span class="sd"> dag=my_dag)</span> |
| <span class="sd"> """</span> |
| |
| <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'s3_bucket'</span><span class="p">,</span> <span class="s1">'gcs_bucket'</span><span class="p">,</span> <span class="s1">'description'</span><span class="p">,</span> <span class="s1">'object_conditions'</span><span class="p">)</span> |
| <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#e09411'</span> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">s3_bucket</span><span class="p">,</span> |
| <span class="n">gcs_bucket</span><span class="p">,</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">aws_conn_id</span><span class="o">=</span><span class="s1">'aws_default'</span><span class="p">,</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'google_cloud_default'</span><span class="p">,</span> |
| <span class="n">delegate_to</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">description</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">schedule</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">object_conditions</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">transfer_options</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">wait</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> |
| <span class="o">*</span><span class="n">args</span><span class="p">,</span> |
| <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| |
| <span class="nb">super</span><span class="p">(</span><span class="n">S3ToGoogleCloudStorageTransferOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span> |
| <span class="o">*</span><span class="n">args</span><span class="p">,</span> |
| <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">s3_bucket</span> <span class="o">=</span> <span class="n">s3_bucket</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">gcs_bucket</span> <span class="o">=</span> <span class="n">gcs_bucket</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span> <span class="o">=</span> <span class="n">aws_conn_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">gcp_conn_id</span> <span class="o">=</span> <span class="n">gcp_conn_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">delegate_to</span> <span class="o">=</span> <span class="n">delegate_to</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">description</span> <span class="o">=</span> <span class="n">description</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">schedule</span> <span class="o">=</span> <span class="n">schedule</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">object_conditions</span> <span class="o">=</span> <span class="n">object_conditions</span> <span class="ow">or</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">transfer_options</span> <span class="o">=</span> <span class="n">transfer_options</span> <span class="ow">or</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">wait</span> <span class="o">=</span> <span class="n">wait</span> |
| |
| <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="n">transfer_hook</span> <span class="o">=</span> <span class="n">GCPTransferServiceHook</span><span class="p">(</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">gcp_conn_id</span><span class="p">,</span> |
| <span class="n">delegate_to</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">delegate_to</span><span class="p">)</span> |
| |
| <span class="n">s3_creds</span> <span class="o">=</span> <span class="n">S3Hook</span><span class="p">(</span><span class="n">aws_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span><span class="p">)</span><span class="o">.</span><span class="n">get_credentials</span><span class="p">()</span> |
| |
| <span class="n">job</span> <span class="o">=</span> <span class="n">transfer_hook</span><span class="o">.</span><span class="n">create_transfer_job</span><span class="p">(</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">description</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="p">,</span> |
| <span class="n">schedule</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">schedule</span><span class="p">,</span> |
| <span class="n">transfer_spec</span><span class="o">=</span><span class="p">{</span> |
| <span class="s1">'awsS3DataSource'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'bucketName'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">s3_bucket</span><span class="p">,</span> |
| <span class="s1">'awsAccessKey'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'accessKeyId'</span><span class="p">:</span> <span class="n">s3_creds</span><span class="o">.</span><span class="n">access_key</span><span class="p">,</span> |
| <span class="s1">'secretAccessKey'</span><span class="p">:</span> <span class="n">s3_creds</span><span class="o">.</span><span class="n">secret_key</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">},</span> |
| <span class="s1">'gcsDataSink'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'bucketName'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">gcs_bucket</span><span class="p">,</span> |
| <span class="p">},</span> |
| <span class="s1">'objectConditions'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">object_conditions</span><span class="p">,</span> |
| <span class="s1">'transferOptions'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">transfer_options</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">)</span> |
| |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">wait</span><span class="p">:</span> |
| <span class="n">transfer_hook</span><span class="o">.</span><span class="n">wait_for_transfer_job</span><span class="p">(</span><span class="n">job</span><span class="p">)</span></div> |
| </pre></div> |
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