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| <h1>Source code for airflow.contrib.hooks.gcp_compute_hook</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">import</span> <span class="nn">time</span> |
| <span class="kn">from</span> <span class="nn">googleapiclient.discovery</span> <span class="k">import</span> <span class="n">build</span> |
| |
| <span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">AirflowException</span> |
| <span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_api_base_hook</span> <span class="k">import</span> <span class="n">GoogleCloudBaseHook</span> |
| |
| <span class="c1"># Number of retries - used by googleapiclient method calls to perform retries</span> |
| <span class="c1"># For requests that are "retriable"</span> |
| <div class="viewcode-block" id="NUM_RETRIES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.NUM_RETRIES">[docs]</a><span class="n">NUM_RETRIES</span> <span class="o">=</span> <span class="mi">5</span></div> |
| |
| <span class="c1"># Time to sleep between active checks of the operation results</span> |
| <div class="viewcode-block" id="TIME_TO_SLEEP_IN_SECONDS"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.TIME_TO_SLEEP_IN_SECONDS">[docs]</a><span class="n">TIME_TO_SLEEP_IN_SECONDS</span> <span class="o">=</span> <span class="mi">1</span></div> |
| |
| |
| <div class="viewcode-block" id="GceOperationStatus"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceOperationStatus">[docs]</a><span class="k">class</span> <span class="nc">GceOperationStatus</span><span class="p">:</span> |
| <div class="viewcode-block" id="GceOperationStatus.PENDING"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceOperationStatus.PENDING">[docs]</a> <span class="n">PENDING</span> <span class="o">=</span> <span class="s2">"PENDING"</span></div> |
| <div class="viewcode-block" id="GceOperationStatus.RUNNING"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceOperationStatus.RUNNING">[docs]</a> <span class="n">RUNNING</span> <span class="o">=</span> <span class="s2">"RUNNING"</span></div> |
| <div class="viewcode-block" id="GceOperationStatus.DONE"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceOperationStatus.DONE">[docs]</a> <span class="n">DONE</span> <span class="o">=</span> <span class="s2">"DONE"</span></div></div> |
| |
| |
| <span class="c1"># noinspection PyAbstractClass</span> |
| <div class="viewcode-block" id="GceHook"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook">[docs]</a><span class="k">class</span> <span class="nc">GceHook</span><span class="p">(</span><span class="n">GoogleCloudBaseHook</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Hook for Google Compute Engine APIs.</span> |
| |
| <span class="sd"> All the methods in the hook where project_id is used must be called with</span> |
| <span class="sd"> keyword arguments rather than positional.</span> |
| |
| <span class="sd"> """</span> |
| <div class="viewcode-block" id="GceHook._conn"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook._conn">[docs]</a> <span class="n">_conn</span> <span class="o">=</span> <span class="kc">None</span></div> |
| |
| <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">api_version</span><span class="o">=</span><span class="s1">'v1'</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="nb">super</span><span class="p">(</span><span class="n">GceHook</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="n">gcp_conn_id</span><span class="p">,</span> <span class="n">delegate_to</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">api_version</span> <span class="o">=</span> <span class="n">api_version</span> |
| |
| <div class="viewcode-block" id="GceHook.get_conn"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.get_conn">[docs]</a> <span class="k">def</span> <span class="nf">get_conn</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Retrieves connection to Google Compute Engine.</span> |
| |
| <span class="sd"> :return: Google Compute Engine services object</span> |
| <span class="sd"> :rtype: dict</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conn</span><span class="p">:</span> |
| <span class="n">http_authorized</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_authorize</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_conn</span> <span class="o">=</span> <span class="n">build</span><span class="p">(</span><span class="s1">'compute'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">api_version</span><span class="p">,</span> |
| <span class="n">http</span><span class="o">=</span><span class="n">http_authorized</span><span class="p">,</span> <span class="n">cache_discovery</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_conn</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.start_instance"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.start_instance">[docs]</a> <span class="k">def</span> <span class="nf">start_instance</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</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="sd">"""</span> |
| <span class="sd"> Starts an existing instance defined by project_id, zone and resource_id.</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param zone: Google Cloud Platform zone where the instance exists</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :param resource_id: Name of the Compute Engine instance resource</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instances</span><span class="p">()</span><span class="o">.</span><span class="n">start</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> |
| <span class="n">instance</span><span class="o">=</span><span class="n">resource_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">operation_name</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s2">"name"</span><span class="p">]</span> |
| <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Wrong response '</span><span class="si">{}</span><span class="s2">' returned - it should contain "</span> |
| <span class="s2">"'name' field"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">response</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_operation_to_complete</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">operation_name</span><span class="o">=</span><span class="n">operation_name</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">)</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.stop_instance"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.stop_instance">[docs]</a> <span class="k">def</span> <span class="nf">stop_instance</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</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="sd">"""</span> |
| <span class="sd"> Stops an instance defined by project_id, zone and resource_id</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param zone: Google Cloud Platform zone where the instance exists</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :param resource_id: Name of the Compute Engine instance resource</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instances</span><span class="p">()</span><span class="o">.</span><span class="n">stop</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> |
| <span class="n">instance</span><span class="o">=</span><span class="n">resource_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">operation_name</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s2">"name"</span><span class="p">]</span> |
| <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Wrong response '</span><span class="si">{}</span><span class="s2">' returned - it should contain "</span> |
| <span class="s2">"'name' field"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">response</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_operation_to_complete</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">operation_name</span><span class="o">=</span><span class="n">operation_name</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">)</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.set_machine_type"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.set_machine_type">[docs]</a> <span class="k">def</span> <span class="nf">set_machine_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</span><span class="p">,</span> <span class="n">body</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="sd">"""</span> |
| <span class="sd"> Sets machine type of an instance defined by project_id, zone and resource_id.</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param zone: Google Cloud Platform zone where the instance exists.</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :param resource_id: Name of the Compute Engine instance resource</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param body: Body required by the Compute Engine setMachineType API,</span> |
| <span class="sd"> as described in</span> |
| <span class="sd"> https://cloud.google.com/compute/docs/reference/rest/v1/instances/setMachineType</span> |
| <span class="sd"> :type body: dict</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_execute_set_machine_type</span><span class="p">(</span><span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</span><span class="p">,</span> <span class="n">body</span><span class="p">,</span> <span class="n">project_id</span><span class="p">)</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">operation_name</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s2">"name"</span><span class="p">]</span> |
| <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Wrong response '</span><span class="si">{}</span><span class="s2">' returned - it should contain "</span> |
| <span class="s2">"'name' field"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">response</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_operation_to_complete</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">operation_name</span><span class="o">=</span><span class="n">operation_name</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="GceHook._execute_set_machine_type"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook._execute_set_machine_type">[docs]</a> <span class="k">def</span> <span class="nf">_execute_set_machine_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</span><span class="p">,</span> <span class="n">body</span><span class="p">,</span> <span class="n">project_id</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instances</span><span class="p">()</span><span class="o">.</span><span class="n">setMachineType</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> <span class="n">instance</span><span class="o">=</span><span class="n">resource_id</span><span class="p">,</span> <span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="p">)</span>\ |
| <span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.get_instance_template"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.get_instance_template">[docs]</a> <span class="k">def</span> <span class="nf">get_instance_template</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">resource_id</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="sd">"""</span> |
| <span class="sd"> Retrieves instance template by project_id and resource_id.</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param resource_id: Name of the instance template</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: Instance template representation as object according to</span> |
| <span class="sd"> https://cloud.google.com/compute/docs/reference/rest/v1/instanceTemplates</span> |
| <span class="sd"> :rtype: dict</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instanceTemplates</span><span class="p">()</span><span class="o">.</span><span class="n">get</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instanceTemplate</span><span class="o">=</span><span class="n">resource_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">response</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.insert_instance_template"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.insert_instance_template">[docs]</a> <span class="k">def</span> <span class="nf">insert_instance_template</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">body</span><span class="p">,</span> <span class="n">request_id</span><span class="o">=</span><span class="kc">None</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="sd">"""</span> |
| <span class="sd"> Inserts instance template using body specified</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param body: Instance template representation as object according to</span> |
| <span class="sd"> https://cloud.google.com/compute/docs/reference/rest/v1/instanceTemplates</span> |
| <span class="sd"> :type body: dict</span> |
| <span class="sd"> :param request_id: Optional, unique request_id that you might add to achieve</span> |
| <span class="sd"> full idempotence (for example when client call times out repeating the request</span> |
| <span class="sd"> with the same request id will not create a new instance template again)</span> |
| <span class="sd"> It should be in UUID format as defined in RFC 4122</span> |
| <span class="sd"> :type request_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instanceTemplates</span><span class="p">()</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="p">,</span> |
| <span class="n">requestId</span><span class="o">=</span><span class="n">request_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">operation_name</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s2">"name"</span><span class="p">]</span> |
| <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Wrong response '</span><span class="si">{}</span><span class="s2">' returned - it should contain "</span> |
| <span class="s2">"'name' field"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">response</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_operation_to_complete</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">operation_name</span><span class="o">=</span><span class="n">operation_name</span><span class="p">)</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.get_instance_group_manager"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.get_instance_group_manager">[docs]</a> <span class="k">def</span> <span class="nf">get_instance_group_manager</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</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="sd">"""</span> |
| <span class="sd"> Retrieves Instance Group Manager by project_id, zone and resource_id.</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param zone: Google Cloud Platform zone where the Instance Group Manager exists</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :param resource_id: Name of the Instance Group Manager</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: Instance group manager representation as object according to</span> |
| <span class="sd"> https://cloud.google.com/compute/docs/reference/rest/beta/instanceGroupManagers</span> |
| <span class="sd"> :rtype: dict</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instanceGroupManagers</span><span class="p">()</span><span class="o">.</span><span class="n">get</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> |
| <span class="n">instanceGroupManager</span><span class="o">=</span><span class="n">resource_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">response</span></div> |
| |
| <span class="nd">@GoogleCloudBaseHook</span><span class="o">.</span><span class="n">fallback_to_default_project_id</span> |
| <div class="viewcode-block" id="GceHook.patch_instance_group_manager"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook.patch_instance_group_manager">[docs]</a> <span class="k">def</span> <span class="nf">patch_instance_group_manager</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">zone</span><span class="p">,</span> <span class="n">resource_id</span><span class="p">,</span> |
| <span class="n">body</span><span class="p">,</span> <span class="n">request_id</span><span class="o">=</span><span class="kc">None</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="sd">"""</span> |
| <span class="sd"> Patches Instance Group Manager with the specified body.</span> |
| <span class="sd"> Must be called with keyword arguments rather than positional.</span> |
| |
| <span class="sd"> :param zone: Google Cloud Platform zone where the Instance Group Manager exists</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :param resource_id: Name of the Instance Group Manager</span> |
| <span class="sd"> :type resource_id: str</span> |
| <span class="sd"> :param body: Instance Group Manager representation as json-merge-patch object</span> |
| <span class="sd"> according to</span> |
| <span class="sd"> https://cloud.google.com/compute/docs/reference/rest/beta/instanceTemplates/patch</span> |
| <span class="sd"> :type body: dict</span> |
| <span class="sd"> :param request_id: Optional, unique request_id that you might add to achieve</span> |
| <span class="sd"> full idempotence (for example when client call times out repeating the request</span> |
| <span class="sd"> with the same request id will not create a new instance template again).</span> |
| <span class="sd"> It should be in UUID format as defined in RFC 4122</span> |
| <span class="sd"> :type request_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> Compute Engine Instance exists. If set to None or missing,</span> |
| <span class="sd"> the default project_id from the GCP connection is used.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">instanceGroupManagers</span><span class="p">()</span><span class="o">.</span><span class="n">patch</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> |
| <span class="n">instanceGroupManager</span><span class="o">=</span><span class="n">resource_id</span><span class="p">,</span> |
| <span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="p">,</span> |
| <span class="n">requestId</span><span class="o">=</span><span class="n">request_id</span> |
| <span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">operation_name</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s2">"name"</span><span class="p">]</span> |
| <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Wrong response '</span><span class="si">{}</span><span class="s2">' returned - it should contain "</span> |
| <span class="s2">"'name' field"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">response</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_operation_to_complete</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">operation_name</span><span class="o">=</span><span class="n">operation_name</span><span class="p">,</span> |
| <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="GceHook._wait_for_operation_to_complete"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook._wait_for_operation_to_complete">[docs]</a> <span class="k">def</span> <span class="nf">_wait_for_operation_to_complete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">project_id</span><span class="p">,</span> <span class="n">operation_name</span><span class="p">,</span> <span class="n">zone</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Waits for the named operation to complete - checks status of the async call.</span> |
| |
| <span class="sd"> :param operation_name: name of the operation</span> |
| <span class="sd"> :type operation_name: str</span> |
| <span class="sd"> :param zone: optional region of the request (might be None for global operations)</span> |
| <span class="sd"> :type zone: str</span> |
| <span class="sd"> :return: None</span> |
| <span class="sd"> """</span> |
| <span class="n">service</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span> |
| <span class="k">while</span> <span class="kc">True</span><span class="p">:</span> |
| <span class="k">if</span> <span class="n">zone</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="c1"># noinspection PyTypeChecker</span> |
| <span class="n">operation_response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_check_global_operation_status</span><span class="p">(</span> |
| <span class="n">service</span><span class="p">,</span> <span class="n">operation_name</span><span class="p">,</span> <span class="n">project_id</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="c1"># noinspection PyTypeChecker</span> |
| <span class="n">operation_response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_check_zone_operation_status</span><span class="p">(</span> |
| <span class="n">service</span><span class="p">,</span> <span class="n">operation_name</span><span class="p">,</span> <span class="n">project_id</span><span class="p">,</span> <span class="n">zone</span><span class="p">)</span> |
| <span class="k">if</span> <span class="n">operation_response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"status"</span><span class="p">)</span> <span class="o">==</span> <span class="n">GceOperationStatus</span><span class="o">.</span><span class="n">DONE</span><span class="p">:</span> |
| <span class="n">error</span> <span class="o">=</span> <span class="n">operation_response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"error"</span><span class="p">)</span> |
| <span class="k">if</span> <span class="n">error</span><span class="p">:</span> |
| <span class="n">code</span> <span class="o">=</span> <span class="n">operation_response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"httpErrorStatusCode"</span><span class="p">)</span> |
| <span class="n">msg</span> <span class="o">=</span> <span class="n">operation_response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"httpErrorMessage"</span><span class="p">)</span> |
| <span class="c1"># Extracting the errors list as string and trimming square braces</span> |
| <span class="n">error_msg</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">error</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"errors"</span><span class="p">))[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"</span><span class="si">{}</span><span class="s2"> </span><span class="si">{}</span><span class="s2">: "</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">code</span><span class="p">,</span> <span class="n">msg</span><span class="p">)</span> <span class="o">+</span> <span class="n">error_msg</span><span class="p">)</span> |
| <span class="c1"># No meaningful info to return from the response in case of success</span> |
| <span class="k">return</span> |
| <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="n">TIME_TO_SLEEP_IN_SECONDS</span><span class="p">)</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="GceHook._check_zone_operation_status"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook._check_zone_operation_status">[docs]</a> <span class="k">def</span> <span class="nf">_check_zone_operation_status</span><span class="p">(</span><span class="n">service</span><span class="p">,</span> <span class="n">operation_name</span><span class="p">,</span> <span class="n">project_id</span><span class="p">,</span> <span class="n">zone</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">service</span><span class="o">.</span><span class="n">zoneOperations</span><span class="p">()</span><span class="o">.</span><span class="n">get</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> <span class="n">zone</span><span class="o">=</span><span class="n">zone</span><span class="p">,</span> <span class="n">operation</span><span class="o">=</span><span class="n">operation_name</span><span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="GceHook._check_global_operation_status"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_compute_hook/index.html#airflow.contrib.hooks.gcp_compute_hook.GceHook._check_global_operation_status">[docs]</a> <span class="k">def</span> <span class="nf">_check_global_operation_status</span><span class="p">(</span><span class="n">service</span><span class="p">,</span> <span class="n">operation_name</span><span class="p">,</span> <span class="n">project_id</span><span class="p">):</span> |
| <span class="k">return</span> <span class="n">service</span><span class="o">.</span><span class="n">globalOperations</span><span class="p">()</span><span class="o">.</span><span class="n">get</span><span class="p">(</span> |
| <span class="n">project</span><span class="o">=</span><span class="n">project_id</span><span class="p">,</span> <span class="n">operation</span><span class="o">=</span><span class="n">operation_name</span><span class="p">)</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <span class="n">num_retries</span><span class="o">=</span><span class="n">NUM_RETRIES</span><span class="p">)</span></div></div> |
| </pre></div> |
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