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| <div class="section" id="module-airflow.contrib.operators.dataflow_operator"> |
| <span id="airflow-contrib-operators-dataflow-operator"></span><h1><a class="reference internal" href="#module-airflow.contrib.operators.dataflow_operator" title="airflow.contrib.operators.dataflow_operator"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.operators.dataflow_operator</span></code></a><a class="headerlink" href="#module-airflow.contrib.operators.dataflow_operator" title="Permalink to this headline">¶</a></h1> |
| <div class="section" id="module-contents"> |
| <h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2> |
| <dl class="class"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.dataflow_operator.</code><code class="sig-name descname">DataFlowJavaOperator</code><span class="sig-paren">(</span><em class="sig-param">jar</em>, <em class="sig-param">job_name='{{task.task_id}}'</em>, <em class="sig-param">dataflow_default_options=None</em>, <em class="sig-param">options=None</em>, <em class="sig-param">gcp_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em>, <em class="sig-param">poll_sleep=10</em>, <em class="sig-param">job_class=None</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowJavaOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="../../../models/index.html#airflow.models.BaseOperator" title="airflow.models.BaseOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.BaseOperator</span></code></a></p> |
| <p>Start a Java Cloud DataFlow batch job. The parameters of the operation |
| will be passed to the job.</p> |
| <p><strong>Example</strong>:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">default_args</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s1">'owner'</span><span class="p">:</span> <span class="s1">'airflow'</span><span class="p">,</span> |
| <span class="s1">'depends_on_past'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> |
| <span class="s1">'start_date'</span><span class="p">:</span> |
| <span class="p">(</span><span class="mi">2016</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> |
| <span class="s1">'email'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'alex@vanboxel.be'</span><span class="p">],</span> |
| <span class="s1">'email_on_failure'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> |
| <span class="s1">'email_on_retry'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> |
| <span class="s1">'retries'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> |
| <span class="s1">'retry_delay'</span><span class="p">:</span> <span class="n">timedelta</span><span class="p">(</span><span class="n">minutes</span><span class="o">=</span><span class="mi">30</span><span class="p">),</span> |
| <span class="s1">'dataflow_default_options'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'project'</span><span class="p">:</span> <span class="s1">'my-gcp-project'</span><span class="p">,</span> |
| <span class="s1">'zone'</span><span class="p">:</span> <span class="s1">'us-central1-f'</span><span class="p">,</span> |
| <span class="s1">'stagingLocation'</span><span class="p">:</span> <span class="s1">'gs://bucket/tmp/dataflow/staging/'</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| |
| <span class="n">dag</span> <span class="o">=</span> <span class="n">DAG</span><span class="p">(</span><span class="s1">'test-dag'</span><span class="p">,</span> <span class="n">default_args</span><span class="o">=</span><span class="n">default_args</span><span class="p">)</span> |
| |
| <span class="n">task</span> <span class="o">=</span> <span class="n">DataFlowJavaOperator</span><span class="p">(</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'gcp_default'</span><span class="p">,</span> |
| <span class="n">task_id</span><span class="o">=</span><span class="s1">'normalize-cal'</span><span class="p">,</span> |
| <span class="n">jar</span><span class="o">=</span><span class="s1">'{{var.value.gcp_dataflow_base}}pipeline-ingress-cal-normalize-1.0.jar'</span><span class="p">,</span> |
| <span class="n">options</span><span class="o">=</span><span class="p">{</span> |
| <span class="s1">'autoscalingAlgorithm'</span><span class="p">:</span> <span class="s1">'BASIC'</span><span class="p">,</span> |
| <span class="s1">'maxNumWorkers'</span><span class="p">:</span> <span class="s1">'50'</span><span class="p">,</span> |
| <span class="s1">'start'</span><span class="p">:</span> <span class="s1">'{{ds}}'</span><span class="p">,</span> |
| <span class="s1">'partitionType'</span><span class="p">:</span> <span class="s1">'DAY'</span> |
| |
| <span class="p">},</span> |
| <span class="n">dag</span><span class="o">=</span><span class="n">dag</span><span class="p">)</span> |
| </pre></div> |
| </div> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p>For more detail on job submission have a look at the reference: |
| <a class="reference external" href="https://cloud.google.com/dataflow/pipelines/specifying-exec-params">https://cloud.google.com/dataflow/pipelines/specifying-exec-params</a></p> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>jar</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The reference to a self executing DataFlow jar (templated).</p></li> |
| <li><p><strong>job_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The ‘jobName’ to use when executing the DataFlow job |
| (templated). This ends up being set in the pipeline options, so any entry |
| with key <code class="docutils literal notranslate"><span class="pre">'jobName'</span></code> in <code class="docutils literal notranslate"><span class="pre">options</span></code> will be overwritten.</p></li> |
| <li><p><strong>dataflow_default_options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of default job options.</p></li> |
| <li><p><strong>options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of job specific options.</p></li> |
| <li><p><strong>gcp_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The connection ID to use connecting to Google Cloud |
| Platform.</p></li> |
| <li><p><strong>delegate_to</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The account to impersonate, if any. |
| For this to work, the service account making the request must have |
| domain-wide delegation enabled.</p></li> |
| <li><p><strong>poll_sleep</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – The time in seconds to sleep between polling Google |
| Cloud Platform for the dataflow job status while the job is in the |
| JOB_STATE_RUNNING state.</p></li> |
| <li><p><strong>job_class</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The name of the dataflow job class to be executed, it |
| is often not the main class configured in the dataflow jar file.</p></li> |
| </ul> |
| </dd> |
| </dl> |
| <p><code class="docutils literal notranslate"><span class="pre">jar</span></code>, <code class="docutils literal notranslate"><span class="pre">options</span></code>, and <code class="docutils literal notranslate"><span class="pre">job_name</span></code> are templated so you can use variables in them.</p> |
| <p>Note that both |
| <code class="docutils literal notranslate"><span class="pre">dataflow_default_options</span></code> and <code class="docutils literal notranslate"><span class="pre">options</span></code> will be merged to specify pipeline |
| execution parameter, and <code class="docutils literal notranslate"><span class="pre">dataflow_default_options</span></code> is expected to save |
| high-level options, for instances, project and zone information, which |
| apply to all dataflow operators in the DAG.</p> |
| <p>It’s a good practice to define dataflow_* parameters in the default_args of the dag |
| like the project, zone and staging location.</p> |
| <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">default_args</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s1">'dataflow_default_options'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'project'</span><span class="p">:</span> <span class="s1">'my-gcp-project'</span><span class="p">,</span> |
| <span class="s1">'zone'</span><span class="p">:</span> <span class="s1">'europe-west1-d'</span><span class="p">,</span> |
| <span class="s1">'stagingLocation'</span><span class="p">:</span> <span class="s1">'gs://my-staging-bucket/staging/'</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>You need to pass the path to your dataflow as a file reference with the <code class="docutils literal notranslate"><span class="pre">jar</span></code> |
| parameter, the jar needs to be a self executing jar (see documentation here: |
| <a class="reference external" href="https://beam.apache.org/documentation/runners/dataflow/#self-executing-jar">https://beam.apache.org/documentation/runners/dataflow/#self-executing-jar</a>). |
| Use <code class="docutils literal notranslate"><span class="pre">options</span></code> to pass on options to your job.</p> |
| <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">t1</span> <span class="o">=</span> <span class="n">DataFlowJavaOperator</span><span class="p">(</span> |
| <span class="n">task_id</span><span class="o">=</span><span class="s1">'datapflow_example'</span><span class="p">,</span> |
| <span class="n">jar</span><span class="o">=</span><span class="s1">'{{var.value.gcp_dataflow_base}}pipeline/build/libs/pipeline-example-1.0.jar'</span><span class="p">,</span> |
| <span class="n">options</span><span class="o">=</span><span class="p">{</span> |
| <span class="s1">'autoscalingAlgorithm'</span><span class="p">:</span> <span class="s1">'BASIC'</span><span class="p">,</span> |
| <span class="s1">'maxNumWorkers'</span><span class="p">:</span> <span class="s1">'50'</span><span class="p">,</span> |
| <span class="s1">'start'</span><span class="p">:</span> <span class="s1">'{{ds}}'</span><span class="p">,</span> |
| <span class="s1">'partitionType'</span><span class="p">:</span> <span class="s1">'DAY'</span><span class="p">,</span> |
| <span class="s1">'labels'</span><span class="p">:</span> <span class="p">{</span><span class="s1">'foo'</span> <span class="p">:</span> <span class="s1">'bar'</span><span class="p">}</span> |
| <span class="p">},</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'gcp-airflow-service-account'</span><span class="p">,</span> |
| <span class="n">dag</span><span class="o">=</span><span class="n">my</span><span class="o">-</span><span class="n">dag</span><span class="p">)</span> |
| </pre></div> |
| </div> |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.template_fields"> |
| <code class="sig-name descname">template_fields</code><em class="property"> = ['options', 'jar', 'job_name']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowJavaOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.template_fields" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.ui_color"> |
| <code class="sig-name descname">ui_color</code><em class="property"> = #0273d4</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowJavaOperator.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.ui_color" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.execute"> |
| <code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowJavaOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowJavaOperator.execute" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.dataflow_operator.</code><code class="sig-name descname">DataflowTemplateOperator</code><span class="sig-paren">(</span><em class="sig-param">template</em>, <em class="sig-param">job_name='{{task.task_id}}'</em>, <em class="sig-param">dataflow_default_options=None</em>, <em class="sig-param">parameters=None</em>, <em class="sig-param">gcp_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em>, <em class="sig-param">poll_sleep=10</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataflowTemplateOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="../../../models/index.html#airflow.models.BaseOperator" title="airflow.models.BaseOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.BaseOperator</span></code></a></p> |
| <p>Start a Templated Cloud DataFlow batch job. The parameters of the operation |
| will be passed to the job.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>template</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The reference to the DataFlow template.</p></li> |
| <li><p><strong>job_name</strong> – The ‘jobName’ to use when executing the DataFlow template |
| (templated).</p></li> |
| <li><p><strong>dataflow_default_options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of default job environment options.</p></li> |
| <li><p><strong>parameters</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of job specific parameters for the template.</p></li> |
| <li><p><strong>gcp_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The connection ID to use connecting to Google Cloud |
| Platform.</p></li> |
| <li><p><strong>delegate_to</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The account to impersonate, if any. |
| For this to work, the service account making the request must have |
| domain-wide delegation enabled.</p></li> |
| <li><p><strong>poll_sleep</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – The time in seconds to sleep between polling Google |
| Cloud Platform for the dataflow job status while the job is in the |
| JOB_STATE_RUNNING state.</p></li> |
| </ul> |
| </dd> |
| </dl> |
| <p>It’s a good practice to define dataflow_* parameters in the default_args of the dag |
| like the project, zone and staging location.</p> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p><a class="reference external" href="https://cloud.google.com/dataflow/docs/reference/rest/v1b3/LaunchTemplateParameters">https://cloud.google.com/dataflow/docs/reference/rest/v1b3/LaunchTemplateParameters</a> |
| <a class="reference external" href="https://cloud.google.com/dataflow/docs/reference/rest/v1b3/RuntimeEnvironment">https://cloud.google.com/dataflow/docs/reference/rest/v1b3/RuntimeEnvironment</a></p> |
| </div> |
| <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">default_args</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s1">'dataflow_default_options'</span><span class="p">:</span> <span class="p">{</span> |
| <span class="s1">'project'</span><span class="p">:</span> <span class="s1">'my-gcp-project'</span><span class="p">,</span> |
| <span class="s1">'region'</span><span class="p">:</span> <span class="s1">'europe-west1'</span><span class="p">,</span> |
| <span class="s1">'zone'</span><span class="p">:</span> <span class="s1">'europe-west1-d'</span><span class="p">,</span> |
| <span class="s1">'tempLocation'</span><span class="p">:</span> <span class="s1">'gs://my-staging-bucket/staging/'</span><span class="p">,</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| <p>You need to pass the path to your dataflow template as a file reference with the |
| <code class="docutils literal notranslate"><span class="pre">template</span></code> parameter. Use <code class="docutils literal notranslate"><span class="pre">parameters</span></code> to pass on parameters to your job. |
| Use <code class="docutils literal notranslate"><span class="pre">environment</span></code> to pass on runtime environment variables to your job.</p> |
| <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">t1</span> <span class="o">=</span> <span class="n">DataflowTemplateOperator</span><span class="p">(</span> |
| <span class="n">task_id</span><span class="o">=</span><span class="s1">'datapflow_example'</span><span class="p">,</span> |
| <span class="n">template</span><span class="o">=</span><span class="s1">'{{var.value.gcp_dataflow_base}}'</span><span class="p">,</span> |
| <span class="n">parameters</span><span class="o">=</span><span class="p">{</span> |
| <span class="s1">'inputFile'</span><span class="p">:</span> <span class="s2">"gs://bucket/input/my_input.txt"</span><span class="p">,</span> |
| <span class="s1">'outputFile'</span><span class="p">:</span> <span class="s2">"gs://bucket/output/my_output.txt"</span> |
| <span class="p">},</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'gcp-airflow-service-account'</span><span class="p">,</span> |
| <span class="n">dag</span><span class="o">=</span><span class="n">my</span><span class="o">-</span><span class="n">dag</span><span class="p">)</span> |
| </pre></div> |
| </div> |
| <p><code class="docutils literal notranslate"><span class="pre">template</span></code>, <code class="docutils literal notranslate"><span class="pre">dataflow_default_options</span></code>, <code class="docutils literal notranslate"><span class="pre">parameters</span></code>, and <code class="docutils literal notranslate"><span class="pre">job_name</span></code> are |
| templated so you can use variables in them.</p> |
| <p>Note that <code class="docutils literal notranslate"><span class="pre">dataflow_default_options</span></code> is expected to save high-level options |
| for project information, which apply to all dataflow operators in the DAG.</p> |
| <blockquote> |
| <div><div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p><a class="reference external" href="https://cloud.google.com/dataflow/docs/reference/rest/v1b3">https://cloud.google.com/dataflow/docs/reference/rest/v1b3</a> |
| /LaunchTemplateParameters |
| <a class="reference external" href="https://cloud.google.com/dataflow/docs/reference/rest/v1b3/RuntimeEnvironment">https://cloud.google.com/dataflow/docs/reference/rest/v1b3/RuntimeEnvironment</a> |
| For more detail on job template execution have a look at the reference: |
| <a class="reference external" href="https://cloud.google.com/dataflow/docs/templates/executing-templates">https://cloud.google.com/dataflow/docs/templates/executing-templates</a></p> |
| </div> |
| </div></blockquote> |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.template_fields"> |
| <code class="sig-name descname">template_fields</code><em class="property"> = ['parameters', 'dataflow_default_options', 'template', 'job_name']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataflowTemplateOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.template_fields" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.ui_color"> |
| <code class="sig-name descname">ui_color</code><em class="property"> = #0273d4</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataflowTemplateOperator.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.ui_color" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.execute"> |
| <code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataflowTemplateOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataflowTemplateOperator.execute" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.dataflow_operator.</code><code class="sig-name descname">DataFlowPythonOperator</code><span class="sig-paren">(</span><em class="sig-param">py_file</em>, <em class="sig-param">job_name='{{task.task_id}}'</em>, <em class="sig-param">py_options=None</em>, <em class="sig-param">dataflow_default_options=None</em>, <em class="sig-param">options=None</em>, <em class="sig-param">gcp_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em>, <em class="sig-param">poll_sleep=10</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowPythonOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="../../../models/index.html#airflow.models.BaseOperator" title="airflow.models.BaseOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.BaseOperator</span></code></a></p> |
| <p>Launching Cloud Dataflow jobs written in python. Note that both |
| dataflow_default_options and options will be merged to specify pipeline |
| execution parameter, and dataflow_default_options is expected to save |
| high-level options, for instances, project and zone information, which |
| apply to all dataflow operators in the DAG.</p> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p>For more detail on job submission have a look at the reference: |
| <a class="reference external" href="https://cloud.google.com/dataflow/pipelines/specifying-exec-params">https://cloud.google.com/dataflow/pipelines/specifying-exec-params</a></p> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>py_file</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – Reference to the python dataflow pipeline file.py, e.g., |
| /some/local/file/path/to/your/python/pipeline/file. (templated)</p></li> |
| <li><p><strong>job_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The ‘job_name’ to use when executing the DataFlow job |
| (templated). This ends up being set in the pipeline options, so any entry |
| with key <code class="docutils literal notranslate"><span class="pre">'jobName'</span></code> or <code class="docutils literal notranslate"><span class="pre">'job_name'</span></code> in <code class="docutils literal notranslate"><span class="pre">options</span></code> will be overwritten.</p></li> |
| <li><p><strong>py_options</strong> – Additional python options, e.g., [“-m”, “-v”].</p></li> |
| <li><p><strong>dataflow_default_options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of default job options.</p></li> |
| <li><p><strong>options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.7)"><em>dict</em></a>) – Map of job specific options.</p></li> |
| <li><p><strong>gcp_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The connection ID to use connecting to Google Cloud |
| Platform.</p></li> |
| <li><p><strong>delegate_to</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The account to impersonate, if any. |
| For this to work, the service account making the request must have |
| domain-wide delegation enabled.</p></li> |
| <li><p><strong>poll_sleep</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – The time in seconds to sleep between polling Google |
| Cloud Platform for the dataflow job status while the job is in the |
| JOB_STATE_RUNNING state.</p></li> |
| </ul> |
| </dd> |
| </dl> |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator.template_fields"> |
| <code class="sig-name descname">template_fields</code><em class="property"> = ['options', 'dataflow_default_options', 'job_name', 'py_file']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowPythonOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator.template_fields" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator.execute"> |
| <code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#DataFlowPythonOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.DataFlowPythonOperator.execute" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Execute the python dataflow job.</p> |
| </dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.dataflow_operator.</code><code class="sig-name descname">GoogleCloudBucketHelper</code><span class="sig-paren">(</span><em class="sig-param">gcp_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#GoogleCloudBucketHelper"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p> |
| <p>GoogleCloudStorageHook helper class to download GCS object.</p> |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper.GCS_PREFIX_LENGTH"> |
| <code class="sig-name descname">GCS_PREFIX_LENGTH</code><em class="property"> = 5</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#GoogleCloudBucketHelper.GCS_PREFIX_LENGTH"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper.GCS_PREFIX_LENGTH" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper.google_cloud_to_local"> |
| <code class="sig-name descname">google_cloud_to_local</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">file_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/dataflow_operator.html#GoogleCloudBucketHelper.google_cloud_to_local"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.dataflow_operator.GoogleCloudBucketHelper.google_cloud_to_local" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Checks whether the file specified by file_name is stored in Google Cloud |
| Storage (GCS), if so, downloads the file and saves it locally. The full |
| path of the saved file will be returned. Otherwise the local file_name |
| will be returned immediately.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><p><strong>file_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The full path of input file.</p> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>The full path of local file.</p> |
| </dd> |
| <dt class="field-odd">Return type</dt> |
| <dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)">str</a></p> |
| </dd> |
| </dl> |
| </dd></dl> |
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| </dd></dl> |
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