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<div class="section" id="google-compute-engine-operators">
<h1>Google Compute Engine Operators<a class="headerlink" href="#google-compute-engine-operators" title="Permalink to this headline"></a></h1>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><p><a class="reference internal" href="#gceinstancestartoperator" id="id17">GceInstanceStartOperator</a></p></li>
<li><p><a class="reference internal" href="#gceinstancestopoperator" id="id18">GceInstanceStopOperator</a></p></li>
<li><p><a class="reference internal" href="#gcesetmachinetypeoperator" id="id19">GceSetMachineTypeOperator</a></p></li>
<li><p><a class="reference internal" href="#gceinstancetemplatecopyoperator" id="id20">GceInstanceTemplateCopyOperator</a></p></li>
<li><p><a class="reference internal" href="#gceinstancegroupmanagerupdatetemplateoperator" id="id21">GceInstanceGroupManagerUpdateTemplateOperator</a></p></li>
</ul>
</div>
<div class="section" id="gceinstancestartoperator">
<span id="howto-operator-gceinstancestartoperator"></span><h2><a class="toc-backref" href="#id17">GceInstanceStartOperator</a><a class="headerlink" href="#gceinstancestartoperator" title="Permalink to this headline"></a></h2>
<p>Use the
<a class="reference internal" href="../../../_api/airflow/contrib/operators/gcp_compute_operator/index.html#airflow.contrib.operators.gcp_compute_operator.GceInstanceStartOperator" title="airflow.contrib.operators.gcp_compute_operator.GceInstanceStartOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">GceInstanceStartOperator</span></code></a>
to start an existing Google Compute Engine instance.</p>
<div class="section" id="arguments">
<h3>Arguments<a class="headerlink" href="#arguments" title="Permalink to this headline"></a></h3>
<p>The following examples of OS environment variables used to pass arguments to the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCP_PROJECT_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCP_PROJECT_ID&#39;</span><span class="p">,</span> <span class="s1">&#39;example-project&#39;</span><span class="p">)</span>
<span class="n">GCE_ZONE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_ZONE&#39;</span><span class="p">,</span> <span class="s1">&#39;europe-west1-b&#39;</span><span class="p">)</span>
<span class="n">GCE_INSTANCE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_INSTANCE&#39;</span><span class="p">,</span> <span class="s1">&#39;testinstance&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="using-the-operator">
<h3>Using the operator<a class="headerlink" href="#using-the-operator" title="Permalink to this headline"></a></h3>
<p>The code to create the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_start</span> <span class="o">=</span> <span class="n">GceInstanceStartOperator</span><span class="p">(</span>
<span class="n">project_id</span><span class="o">=</span><span class="n">GCP_PROJECT_ID</span><span class="p">,</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_start_task&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<p>You can also create the operator without project id - project id will be retrieved
from the GCP connection id used:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_start2</span> <span class="o">=</span> <span class="n">GceInstanceStartOperator</span><span class="p">(</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_start_task2&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="templating">
<h3>Templating<a class="headerlink" href="#templating" title="Permalink to this headline"></a></h3>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;project_id&#39;</span><span class="p">,</span> <span class="s1">&#39;zone&#39;</span><span class="p">,</span> <span class="s1">&#39;resource_id&#39;</span><span class="p">,</span> <span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">,</span> <span class="s1">&#39;api_version&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="more-information">
<h3>More information<a class="headerlink" href="#more-information" title="Permalink to this headline"></a></h3>
<p>See Google Compute Engine API documentation to <a class="reference external" href="https://cloud.google.com/compute/docs/reference/rest/v1/instances/start">start an instance</a>.</p>
</div>
</div>
<div class="section" id="gceinstancestopoperator">
<span id="howto-operator-gceinstancestopoperator"></span><h2><a class="toc-backref" href="#id18">GceInstanceStopOperator</a><a class="headerlink" href="#gceinstancestopoperator" title="Permalink to this headline"></a></h2>
<p>Use the operator to stop Google Compute Engine instance.</p>
<p>For parameter definition, take a look at
<a class="reference internal" href="../../../_api/airflow/contrib/operators/gcp_compute_operator/index.html#airflow.contrib.operators.gcp_compute_operator.GceInstanceStopOperator" title="airflow.contrib.operators.gcp_compute_operator.GceInstanceStopOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">GceInstanceStopOperator</span></code></a></p>
<div class="section" id="id1">
<h3>Arguments<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h3>
<p>The following examples of OS environment variables used to pass arguments to the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCP_PROJECT_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCP_PROJECT_ID&#39;</span><span class="p">,</span> <span class="s1">&#39;example-project&#39;</span><span class="p">)</span>
<span class="n">GCE_ZONE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_ZONE&#39;</span><span class="p">,</span> <span class="s1">&#39;europe-west1-b&#39;</span><span class="p">)</span>
<span class="n">GCE_INSTANCE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_INSTANCE&#39;</span><span class="p">,</span> <span class="s1">&#39;testinstance&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id2">
<h3>Using the operator<a class="headerlink" href="#id2" title="Permalink to this headline"></a></h3>
<p>The code to create the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_stop</span> <span class="o">=</span> <span class="n">GceInstanceStopOperator</span><span class="p">(</span>
<span class="n">project_id</span><span class="o">=</span><span class="n">GCP_PROJECT_ID</span><span class="p">,</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_stop_task&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<p>You can also create the operator without project id - project id will be retrieved
from the GCP connection used:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_stop2</span> <span class="o">=</span> <span class="n">GceInstanceStopOperator</span><span class="p">(</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_stop_task2&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id3">
<h3>Templating<a class="headerlink" href="#id3" title="Permalink to this headline"></a></h3>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;project_id&#39;</span><span class="p">,</span> <span class="s1">&#39;zone&#39;</span><span class="p">,</span> <span class="s1">&#39;resource_id&#39;</span><span class="p">,</span> <span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">,</span> <span class="s1">&#39;api_version&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="id4">
<h3>More information<a class="headerlink" href="#id4" title="Permalink to this headline"></a></h3>
<p>See Google Compute Engine API documentation to <a class="reference external" href="https://cloud.google.com/compute/docs/reference/rest/v1/instances/stop">stop an instance</a>.</p>
</div>
</div>
<div class="section" id="gcesetmachinetypeoperator">
<span id="howto-operator-gcesetmachinetypeoperator"></span><h2><a class="toc-backref" href="#id19">GceSetMachineTypeOperator</a><a class="headerlink" href="#gcesetmachinetypeoperator" title="Permalink to this headline"></a></h2>
<p>Use the operator to change machine type of a Google Compute Engine instance.</p>
<p>For parameter definition, take a look at
<a class="reference internal" href="../../../_api/airflow/contrib/operators/gcp_compute_operator/index.html#airflow.contrib.operators.gcp_compute_operator.GceSetMachineTypeOperator" title="airflow.contrib.operators.gcp_compute_operator.GceSetMachineTypeOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">GceSetMachineTypeOperator</span></code></a>.</p>
<div class="section" id="id5">
<h3>Arguments<a class="headerlink" href="#id5" title="Permalink to this headline"></a></h3>
<p>The following examples of OS environment variables used to pass arguments to the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCP_PROJECT_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCP_PROJECT_ID&#39;</span><span class="p">,</span> <span class="s1">&#39;example-project&#39;</span><span class="p">)</span>
<span class="n">GCE_ZONE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_ZONE&#39;</span><span class="p">,</span> <span class="s1">&#39;europe-west1-b&#39;</span><span class="p">)</span>
<span class="n">GCE_INSTANCE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_INSTANCE&#39;</span><span class="p">,</span> <span class="s1">&#39;testinstance&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCE_SHORT_MACHINE_TYPE_NAME</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_SHORT_MACHINE_TYPE_NAME&#39;</span><span class="p">,</span> <span class="s1">&#39;n1-standard-1&#39;</span><span class="p">)</span>
<span class="n">SET_MACHINE_TYPE_BODY</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">&#39;machineType&#39;</span><span class="p">:</span> <span class="s1">&#39;zones/{}/machineTypes/{}&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">GCE_ZONE</span><span class="p">,</span> <span class="n">GCE_SHORT_MACHINE_TYPE_NAME</span><span class="p">)</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id6">
<h3>Using the operator<a class="headerlink" href="#id6" title="Permalink to this headline"></a></h3>
<p>The code to create the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_set_machine_type</span> <span class="o">=</span> <span class="n">GceSetMachineTypeOperator</span><span class="p">(</span>
<span class="n">project_id</span><span class="o">=</span><span class="n">GCP_PROJECT_ID</span><span class="p">,</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">body</span><span class="o">=</span><span class="n">SET_MACHINE_TYPE_BODY</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_set_machine_type&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<p>You can also create the operator without project id - project id will be retrieved
from the GCP connection used:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_set_machine_type2</span> <span class="o">=</span> <span class="n">GceSetMachineTypeOperator</span><span class="p">(</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE</span><span class="p">,</span>
<span class="n">body</span><span class="o">=</span><span class="n">SET_MACHINE_TYPE_BODY</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_set_machine_type2&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id7">
<h3>Templating<a class="headerlink" href="#id7" title="Permalink to this headline"></a></h3>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;project_id&#39;</span><span class="p">,</span> <span class="s1">&#39;zone&#39;</span><span class="p">,</span> <span class="s1">&#39;resource_id&#39;</span><span class="p">,</span> <span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">,</span> <span class="s1">&#39;api_version&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="id8">
<h3>More information<a class="headerlink" href="#id8" title="Permalink to this headline"></a></h3>
<p>See Google Compute Engine API documentation to <a class="reference external" href="https://cloud.google.com/compute/docs/reference/rest/v1/instances/setMachineType">set the machine type</a>.</p>
</div>
</div>
<div class="section" id="gceinstancetemplatecopyoperator">
<span id="howto-operator-gceinstancetemplatecopyoperator"></span><h2><a class="toc-backref" href="#id20">GceInstanceTemplateCopyOperator</a><a class="headerlink" href="#gceinstancetemplatecopyoperator" title="Permalink to this headline"></a></h2>
<p>Use the operator to copy an existing Google Compute Engine instance template
applying a patch to it.</p>
<p>For parameter definition, take a look at
<a class="reference internal" href="../../../_api/airflow/contrib/operators/gcp_compute_operator/index.html#airflow.contrib.operators.gcp_compute_operator.GceInstanceTemplateCopyOperator" title="airflow.contrib.operators.gcp_compute_operator.GceInstanceTemplateCopyOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">GceInstanceTemplateCopyOperator</span></code></a>.</p>
<div class="section" id="id9">
<h3>Arguments<a class="headerlink" href="#id9" title="Permalink to this headline"></a></h3>
<p>The following examples of OS environment variables used to pass arguments to the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCP_PROJECT_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCP_PROJECT_ID&#39;</span><span class="p">,</span> <span class="s1">&#39;example-project&#39;</span><span class="p">)</span>
<span class="n">GCE_ZONE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_ZONE&#39;</span><span class="p">,</span> <span class="s1">&#39;europe-west1-b&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCE_TEMPLATE_NAME</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_TEMPLATE_NAME&#39;</span><span class="p">,</span> <span class="s1">&#39;instance-template-test&#39;</span><span class="p">)</span>
<span class="n">GCE_NEW_TEMPLATE_NAME</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_NEW_TEMPLATE_NAME&#39;</span><span class="p">,</span>
<span class="s1">&#39;instance-template-test-new&#39;</span><span class="p">)</span>
<span class="n">GCE_NEW_DESCRIPTION</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_NEW_DESCRIPTION&#39;</span><span class="p">,</span> <span class="s1">&#39;Test new description&#39;</span><span class="p">)</span>
<span class="n">GCE_INSTANCE_TEMPLATE_BODY_UPDATE</span> <span class="o">=</span> <span class="p">{</span>
<span class="s2">&quot;name&quot;</span><span class="p">:</span> <span class="n">GCE_NEW_TEMPLATE_NAME</span><span class="p">,</span>
<span class="s2">&quot;description&quot;</span><span class="p">:</span> <span class="n">GCE_NEW_DESCRIPTION</span><span class="p">,</span>
<span class="s2">&quot;properties&quot;</span><span class="p">:</span> <span class="p">{</span>
<span class="s2">&quot;machineType&quot;</span><span class="p">:</span> <span class="s2">&quot;n1-standard-2&quot;</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id10">
<h3>Using the operator<a class="headerlink" href="#id10" title="Permalink to this headline"></a></h3>
<p>The code to create the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_template_copy</span> <span class="o">=</span> <span class="n">GceInstanceTemplateCopyOperator</span><span class="p">(</span>
<span class="n">project_id</span><span class="o">=</span><span class="n">GCP_PROJECT_ID</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_TEMPLATE_NAME</span><span class="p">,</span>
<span class="n">body_patch</span><span class="o">=</span><span class="n">GCE_INSTANCE_TEMPLATE_BODY_UPDATE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_igm_copy_template_task&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<p>You can also create the operator without project id - project id will be retrieved
from the GCP connection used:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_template_copy2</span> <span class="o">=</span> <span class="n">GceInstanceTemplateCopyOperator</span><span class="p">(</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_TEMPLATE_NAME</span><span class="p">,</span>
<span class="n">body_patch</span><span class="o">=</span><span class="n">GCE_INSTANCE_TEMPLATE_BODY_UPDATE</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_igm_copy_template_task_2&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id11">
<h3>Templating<a class="headerlink" href="#id11" title="Permalink to this headline"></a></h3>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;project_id&#39;</span><span class="p">,</span> <span class="s1">&#39;resource_id&#39;</span><span class="p">,</span> <span class="s1">&#39;request_id&#39;</span><span class="p">,</span>
<span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">,</span> <span class="s1">&#39;api_version&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="id12">
<h3>More information<a class="headerlink" href="#id12" title="Permalink to this headline"></a></h3>
<p>See Google Compute Engine API documentation to <a class="reference external" href="https://cloud.google.com/compute/docs/reference/rest/v1/instanceTemplates">create a new instance with an existing template</a>.</p>
</div>
</div>
<div class="section" id="gceinstancegroupmanagerupdatetemplateoperator">
<span id="howto-operator-gceinstancegroupmanagerupdatetemplateoperator"></span><h2><a class="toc-backref" href="#id21">GceInstanceGroupManagerUpdateTemplateOperator</a><a class="headerlink" href="#gceinstancegroupmanagerupdatetemplateoperator" title="Permalink to this headline"></a></h2>
<p>Use the operator to update a template in Google Compute Engine Instance Group Manager.</p>
<p>For parameter definition, take a look at
<a class="reference internal" href="../../../_api/airflow/contrib/operators/gcp_compute_operator/index.html#airflow.contrib.operators.gcp_compute_operator.GceInstanceGroupManagerUpdateTemplateOperator" title="airflow.contrib.operators.gcp_compute_operator.GceInstanceGroupManagerUpdateTemplateOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">GceInstanceGroupManagerUpdateTemplateOperator</span></code></a>.</p>
<div class="section" id="id13">
<h3>Arguments<a class="headerlink" href="#id13" title="Permalink to this headline"></a></h3>
<p>The following examples of OS environment variables used to pass arguments to the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCP_PROJECT_ID</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCP_PROJECT_ID&#39;</span><span class="p">,</span> <span class="s1">&#39;example-project&#39;</span><span class="p">)</span>
<span class="n">GCE_ZONE</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_ZONE&#39;</span><span class="p">,</span> <span class="s1">&#39;europe-west1-b&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">GCE_INSTANCE_GROUP_MANAGER_NAME</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;GCE_INSTANCE_GROUP_MANAGER_NAME&#39;</span><span class="p">,</span>
<span class="s1">&#39;instance-group-test&#39;</span><span class="p">)</span>
<span class="n">SOURCE_TEMPLATE_URL</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span>
<span class="s1">&#39;SOURCE_TEMPLATE_URL&#39;</span><span class="p">,</span>
<span class="s2">&quot;https://www.googleapis.com/compute/beta/projects/&quot;</span> <span class="o">+</span> <span class="n">GCP_PROJECT_ID</span> <span class="o">+</span>
<span class="s2">&quot;/global/instanceTemplates/instance-template-test&quot;</span><span class="p">)</span>
<span class="n">DESTINATION_TEMPLATE_URL</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span>
<span class="s1">&#39;DESTINATION_TEMPLATE_URL&#39;</span><span class="p">,</span>
<span class="s2">&quot;https://www.googleapis.com/compute/beta/projects/&quot;</span> <span class="o">+</span> <span class="n">GCP_PROJECT_ID</span> <span class="o">+</span>
<span class="s2">&quot;/global/instanceTemplates/&quot;</span> <span class="o">+</span> <span class="n">GCE_NEW_TEMPLATE_NAME</span><span class="p">)</span>
<span class="n">UPDATE_POLICY</span> <span class="o">=</span> <span class="p">{</span>
<span class="s2">&quot;type&quot;</span><span class="p">:</span> <span class="s2">&quot;OPPORTUNISTIC&quot;</span><span class="p">,</span>
<span class="s2">&quot;minimalAction&quot;</span><span class="p">:</span> <span class="s2">&quot;RESTART&quot;</span><span class="p">,</span>
<span class="s2">&quot;maxSurge&quot;</span><span class="p">:</span> <span class="p">{</span>
<span class="s2">&quot;fixed&quot;</span><span class="p">:</span> <span class="mi">1</span>
<span class="p">},</span>
<span class="s2">&quot;minReadySec&quot;</span><span class="p">:</span> <span class="mi">1800</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id14">
<h3>Using the operator<a class="headerlink" href="#id14" title="Permalink to this headline"></a></h3>
<p>The code to create the operator:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_group_manager_update_template</span> <span class="o">=</span> \
<span class="n">GceInstanceGroupManagerUpdateTemplateOperator</span><span class="p">(</span>
<span class="n">project_id</span><span class="o">=</span><span class="n">GCP_PROJECT_ID</span><span class="p">,</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE_GROUP_MANAGER_NAME</span><span class="p">,</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">source_template</span><span class="o">=</span><span class="n">SOURCE_TEMPLATE_URL</span><span class="p">,</span>
<span class="n">destination_template</span><span class="o">=</span><span class="n">DESTINATION_TEMPLATE_URL</span><span class="p">,</span>
<span class="n">update_policy</span><span class="o">=</span><span class="n">UPDATE_POLICY</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_igm_group_manager_update_template&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<p>You can also create the operator without project id - project id will be retrieved
from the GCP connection used:</p>
<div class="example-block-wrapper docutils container">
<p class="example-header example-header--with-button"><span class="example-title">airflow/contrib/example_dags/example_gcp_compute_igm.py</span><a class="example-header-button viewcode-button reference internal" href="../../../_modules/airflow/contrib/example_dags/example_gcp_compute_igm.html"><span>View Source</span></a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">gce_instance_group_manager_update_template2</span> <span class="o">=</span> \
<span class="n">GceInstanceGroupManagerUpdateTemplateOperator</span><span class="p">(</span>
<span class="n">resource_id</span><span class="o">=</span><span class="n">GCE_INSTANCE_GROUP_MANAGER_NAME</span><span class="p">,</span>
<span class="n">zone</span><span class="o">=</span><span class="n">GCE_ZONE</span><span class="p">,</span>
<span class="n">source_template</span><span class="o">=</span><span class="n">SOURCE_TEMPLATE_URL</span><span class="p">,</span>
<span class="n">destination_template</span><span class="o">=</span><span class="n">DESTINATION_TEMPLATE_URL</span><span class="p">,</span>
<span class="n">task_id</span><span class="o">=</span><span class="s1">&#39;gcp_compute_igm_group_manager_update_template_2&#39;</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="id15">
<h3>Templating<a class="headerlink" href="#id15" title="Permalink to this headline"></a></h3>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;project_id&#39;</span><span class="p">,</span> <span class="s1">&#39;resource_id&#39;</span><span class="p">,</span> <span class="s1">&#39;zone&#39;</span><span class="p">,</span> <span class="s1">&#39;request_id&#39;</span><span class="p">,</span>
<span class="s1">&#39;source_template&#39;</span><span class="p">,</span> <span class="s1">&#39;destination_template&#39;</span><span class="p">,</span>
<span class="s1">&#39;gcp_conn_id&#39;</span><span class="p">,</span> <span class="s1">&#39;api_version&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="troubleshooting">
<h3>Troubleshooting<a class="headerlink" href="#troubleshooting" title="Permalink to this headline"></a></h3>
<p>You might find that your GceInstanceGroupManagerUpdateTemplateOperator fails with
missing permissions. To execute the operation, the service account requires
the permissions that theService Account User role provides
(assigned via Google Cloud IAM).</p>
</div>
<div class="section" id="id16">
<h3>More information<a class="headerlink" href="#id16" title="Permalink to this headline"></a></h3>
<p>See Google Compute Engine API documentation to <a class="reference external" href="https://cloud.google.com/compute/docs/reference/rest/v1/instanceGroupManagers">manage a group instance</a>.</p>
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