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| <h1>Source code for airflow.contrib.operators.gcp_bigtable_operator</h1><div class="highlight"><pre> |
| <span></span><span class="c1"># -*- coding: utf-8 -*-</span> |
| <span class="c1">#</span> |
| <span class="c1"># Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="c1"># or more contributor license agreements. See the NOTICE file</span> |
| <span class="c1"># distributed with this work for additional information</span> |
| <span class="c1"># regarding copyright ownership. The ASF licenses this file</span> |
| <span class="c1"># to you under the Apache License, Version 2.0 (the</span> |
| <span class="c1"># "License"); you may not use this file except in compliance</span> |
| <span class="c1"># with the License. You may obtain a copy of the License at</span> |
| <span class="c1">#</span> |
| <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="c1">#</span> |
| <span class="c1"># Unless required by applicable law or agreed to in writing,</span> |
| <span class="c1"># software distributed under the License is distributed on an</span> |
| <span class="c1"># "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span> |
| <span class="c1"># KIND, either express or implied. See the License for the</span> |
| <span class="c1"># specific language governing permissions and limitations</span> |
| <span class="c1"># under the License.</span> |
| |
| <span class="kn">from</span> <span class="nn">typing</span> <span class="k">import</span> <span class="n">Iterable</span> |
| <span class="kn">import</span> <span class="nn">google.api_core.exceptions</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.models</span> <span class="k">import</span> <span class="n">BaseOperator</span> |
| <span class="kn">from</span> <span class="nn">airflow.sensors.base_sensor_operator</span> <span class="k">import</span> <span class="n">BaseSensorOperator</span> |
| <span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_bigtable_hook</span> <span class="k">import</span> <span class="n">BigtableHook</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="k">import</span> <span class="n">apply_defaults</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable_admin_v2</span> <span class="k">import</span> <span class="n">enums</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable.table</span> <span class="k">import</span> <span class="n">ClusterState</span> |
| |
| |
| <div class="viewcode-block" id="BigtableValidationMixin"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableValidationMixin">[docs]</a><span class="k">class</span> <span class="nc">BigtableValidationMixin</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Common class for Cloud Bigtable operators for validating required fields.</span> |
| <span class="sd"> """</span> |
| |
| <div class="viewcode-block" id="BigtableValidationMixin.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableValidationMixin.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># type: Iterable[str]</span></div> |
| |
| <div class="viewcode-block" id="BigtableValidationMixin._validate_inputs"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableValidationMixin._validate_inputs">[docs]</a> <span class="k">def</span> <span class="nf">_validate_inputs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">for</span> <span class="n">attr_name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">REQUIRED_ATTRIBUTES</span><span class="p">:</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attr_name</span><span class="p">):</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Empty parameter: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">attr_name</span><span class="p">))</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableInstanceCreateOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceCreateOperator">[docs]</a><span class="k">class</span> <span class="nc">BigtableInstanceCreateOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Creates a new Cloud Bigtable instance.</span> |
| <span class="sd"> If the Cloud Bigtable instance with the given ID exists, the operator does not</span> |
| <span class="sd"> compare its configuration</span> |
| <span class="sd"> and immediately succeeds. No changes are made to the existing instance.</span> |
| |
| <span class="sd"> For more details about instance creation have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/instance.html#google.cloud.bigtable.instance.Instance.create</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableInstanceCreateOperator`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance to create.</span> |
| <span class="sd"> :type main_cluster_id: str</span> |
| <span class="sd"> :param main_cluster_id: The ID for main cluster for the new instance.</span> |
| <span class="sd"> :type main_cluster_zone: str</span> |
| <span class="sd"> :param main_cluster_zone: The zone for main cluster</span> |
| <span class="sd"> See https://cloud.google.com/bigtable/docs/locations for more details.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project. 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 replica_cluster_id: str</span> |
| <span class="sd"> :param replica_cluster_id: (optional) The ID for replica cluster for the new instance.</span> |
| <span class="sd"> :type replica_cluster_zone: str</span> |
| <span class="sd"> :param replica_cluster_zone: (optional) The zone for replica cluster.</span> |
| <span class="sd"> :type instance_type: enums.IntEnum</span> |
| <span class="sd"> :param instance_type: (optional) The type of the instance.</span> |
| <span class="sd"> :type instance_display_name: str</span> |
| <span class="sd"> :param instance_display_name: (optional) Human-readable name of the instance. Defaults</span> |
| <span class="sd"> to ``instance_id``.</span> |
| <span class="sd"> :type instance_labels: dict</span> |
| <span class="sd"> :param instance_labels: (optional) Dictionary of labels to associate</span> |
| <span class="sd"> with the instance.</span> |
| <span class="sd"> :type cluster_nodes: int</span> |
| <span class="sd"> :param cluster_nodes: (optional) Number of nodes for cluster.</span> |
| <span class="sd"> :type cluster_storage_type: enums.IntEnum</span> |
| <span class="sd"> :param cluster_storage_type: (optional) The type of storage.</span> |
| <span class="sd"> :type timeout: int</span> |
| <span class="sd"> :param timeout: (optional) timeout (in seconds) for instance creation.</span> |
| <span class="sd"> If None is not specified, Operator will wait indefinitely.</span> |
| <span class="sd"> """</span> |
| |
| <div class="viewcode-block" id="BigtableInstanceCreateOperator.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceCreateOperator.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'main_cluster_id'</span><span class="p">,</span> |
| <span class="s1">'main_cluster_zone'</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="BigtableInstanceCreateOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceCreateOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'main_cluster_id'</span><span class="p">,</span> |
| <span class="s1">'main_cluster_zone'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">main_cluster_id</span><span class="p">,</span> |
| <span class="n">main_cluster_zone</span><span class="p">,</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">replica_cluster_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">replica_cluster_zone</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">instance_display_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">instance_type</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">instance_labels</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">cluster_nodes</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">cluster_storage_type</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">timeout</span><span class="o">=</span><span class="kc">None</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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">main_cluster_id</span> <span class="o">=</span> <span class="n">main_cluster_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">main_cluster_zone</span> <span class="o">=</span> <span class="n">main_cluster_zone</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">replica_cluster_id</span> <span class="o">=</span> <span class="n">replica_cluster_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">replica_cluster_zone</span> <span class="o">=</span> <span class="n">replica_cluster_zone</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_display_name</span> <span class="o">=</span> <span class="n">instance_display_name</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_type</span> <span class="o">=</span> <span class="n">instance_type</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_labels</span> <span class="o">=</span> <span class="n">instance_labels</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cluster_nodes</span> <span class="o">=</span> <span class="n">cluster_nodes</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cluster_storage_type</span> <span class="o">=</span> <span class="n">cluster_storage_type</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">timeout</span> <span class="o">=</span> <span class="n">timeout</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableInstanceCreateOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableInstanceCreateOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceCreateOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="n">instance</span><span class="p">:</span> |
| <span class="c1"># Based on Instance.__eq__ instance with the same ID and client is</span> |
| <span class="c1"># considered as equal.</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span> |
| <span class="s2">"The instance '</span><span class="si">%s</span><span class="s2">' already exists in this project. "</span> |
| <span class="s2">"Consider it as created"</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> |
| <span class="p">)</span> |
| <span class="k">return</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">create_instance</span><span class="p">(</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">main_cluster_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">main_cluster_id</span><span class="p">,</span> |
| <span class="n">main_cluster_zone</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">main_cluster_zone</span><span class="p">,</span> |
| <span class="n">replica_cluster_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">replica_cluster_id</span><span class="p">,</span> |
| <span class="n">replica_cluster_zone</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">replica_cluster_zone</span><span class="p">,</span> |
| <span class="n">instance_display_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_display_name</span><span class="p">,</span> |
| <span class="n">instance_type</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_type</span><span class="p">,</span> |
| <span class="n">instance_labels</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_labels</span><span class="p">,</span> |
| <span class="n">cluster_nodes</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster_nodes</span><span class="p">,</span> |
| <span class="n">cluster_storage_type</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster_storage_type</span><span class="p">,</span> |
| <span class="n">timeout</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">timeout</span><span class="p">,</span> |
| <span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">GoogleAPICallError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'An error occurred. Exiting.'</span><span class="p">)</span> |
| <span class="k">raise</span> <span class="n">e</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableInstanceDeleteOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceDeleteOperator">[docs]</a><span class="k">class</span> <span class="nc">BigtableInstanceDeleteOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Deletes the Cloud Bigtable instance, including its clusters and all related tables.</span> |
| |
| <span class="sd"> For more details about deleting instance have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/instance.html#google.cloud.bigtable.instance.Instance.delete</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableInstanceDeleteOperator`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance to delete.</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project. 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"> """</span> |
| <div class="viewcode-block" id="BigtableInstanceDeleteOperator.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceDeleteOperator.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,)</span></div> |
| <div class="viewcode-block" id="BigtableInstanceDeleteOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceDeleteOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_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="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'google_cloud_default'</span><span class="p">,</span> |
| <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableInstanceDeleteOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableInstanceDeleteOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableInstanceDeleteOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">delete_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">NotFound</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span> |
| <span class="s2">"The instance '</span><span class="si">%s</span><span class="s2">' does not exist in project '</span><span class="si">%s</span><span class="s2">'. "</span> |
| <span class="s2">"Consider it as deleted"</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> |
| <span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">GoogleAPICallError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'An error occurred. Exiting.'</span><span class="p">)</span> |
| <span class="k">raise</span> <span class="n">e</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableTableCreateOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableCreateOperator">[docs]</a><span class="k">class</span> <span class="nc">BigtableTableCreateOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Creates the table in the Cloud Bigtable instance.</span> |
| |
| <span class="sd"> For more details about creating table have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/table.html#google.cloud.bigtable.table.Table.create</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableTableCreateOperator`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance that will</span> |
| <span class="sd"> hold the new table.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table to be created.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project. 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 initial_split_keys: list</span> |
| <span class="sd"> :param initial_split_keys: (Optional) list of row keys in bytes that will be used to</span> |
| <span class="sd"> initially split the table into several tablets.</span> |
| <span class="sd"> :type column_families: dict</span> |
| <span class="sd"> :param column_families: (Optional) A map columns to create.</span> |
| <span class="sd"> The key is the column_id str and the value is a</span> |
| <span class="sd"> :class:`google.cloud.bigtable.column_family.GarbageCollectionRule`</span> |
| <span class="sd"> """</span> |
| <div class="viewcode-block" id="BigtableTableCreateOperator.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableCreateOperator.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="BigtableTableCreateOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableCreateOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">table_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="n">initial_split_keys</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">column_families</span><span class="o">=</span><span class="kc">None</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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span> <span class="o">=</span> <span class="n">table_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">initial_split_keys</span> <span class="o">=</span> <span class="n">initial_split_keys</span> <span class="ow">or</span> <span class="nb">list</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">column_families</span> <span class="o">=</span> <span class="n">column_families</span> <span class="ow">or</span> <span class="nb">dict</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance</span> <span class="o">=</span> <span class="kc">None</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableTableCreateOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableTableCreateOperator._compare_column_families"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableCreateOperator._compare_column_families">[docs]</a> <span class="k">def</span> <span class="nf">_compare_column_families</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="n">table_column_families</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_column_families_for_table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">instance</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="nb">set</span><span class="p">(</span><span class="n">table_column_families</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">column_families</span><span class="o">.</span><span class="n">keys</span><span class="p">()):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Table '</span><span class="si">%s</span><span class="s2">' has different set of Column Families"</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Expected: </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_families</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Actual: </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">table_column_families</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span> |
| <span class="k">return</span> <span class="kc">False</span> |
| |
| <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">table_column_families</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span> |
| <span class="c1"># There is difference in structure between local Column Families</span> |
| <span class="c1"># and remote ones</span> |
| <span class="c1"># Local `self.column_families` is dict with column_id as key</span> |
| <span class="c1"># and GarbageCollectionRule as value.</span> |
| <span class="c1"># Remote `table_column_families` is list of ColumnFamily objects.</span> |
| <span class="c1"># For more information about ColumnFamily please refer to the documentation:</span> |
| <span class="c1"># https://googleapis.github.io/google-cloud-python/latest/bigtable/column-family.html#google.cloud.bigtable.column_family.ColumnFamily</span> |
| <span class="k">if</span> <span class="n">table_column_families</span><span class="p">[</span><span class="n">key</span><span class="p">]</span><span class="o">.</span><span class="n">gc_rule</span> <span class="o">!=</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_families</span><span class="p">[</span><span class="n">key</span><span class="p">]:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Column Family '</span><span class="si">%s</span><span class="s2">' differs for table '</span><span class="si">%s</span><span class="s2">'."</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="k">return</span> <span class="kc">False</span> |
| <span class="k">return</span> <span class="kc">True</span></div> |
| |
| <div class="viewcode-block" id="BigtableTableCreateOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableCreateOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">instance</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Dependency: instance '</span><span class="si">{}</span><span class="s2">' does not exist in project '</span><span class="si">{}</span><span class="s2">'."</span><span class="o">.</span> |
| <span class="nb">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">))</span> |
| <span class="k">try</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">create_table</span><span class="p">(</span> |
| <span class="n">instance</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance</span><span class="p">,</span> |
| <span class="n">table_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">,</span> |
| <span class="n">initial_split_keys</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">initial_split_keys</span><span class="p">,</span> |
| <span class="n">column_families</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_families</span> |
| <span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">AlreadyExists</span><span class="p">:</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_compare_column_families</span><span class="p">():</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Table '</span><span class="si">{}</span><span class="s2">' already exists with different Column Families."</span><span class="o">.</span> |
| <span class="nb">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"The table '</span><span class="si">%s</span><span class="s2">' already exists. Consider it as created"</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableTableDeleteOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableDeleteOperator">[docs]</a><span class="k">class</span> <span class="nc">BigtableTableDeleteOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Deletes the Cloud Bigtable table.</span> |
| |
| <span class="sd"> For more details about deleting table have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/table.html#google.cloud.bigtable.table.Table.delete</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableTableDeleteOperator`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table to be deleted.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project. 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 app_profile_id: str</span> |
| <span class="sd"> :parm app_profile_id: Application profile.</span> |
| <span class="sd"> """</span> |
| <div class="viewcode-block" id="BigtableTableDeleteOperator.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableDeleteOperator.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="BigtableTableDeleteOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableDeleteOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">table_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="n">app_profile_id</span><span class="o">=</span><span class="kc">None</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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span> <span class="o">=</span> <span class="n">table_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">app_profile_id</span> <span class="o">=</span> <span class="n">app_profile_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableTableDeleteOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableTableDeleteOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableDeleteOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">instance</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"Dependency: instance '</span><span class="si">{}</span><span class="s2">' does not exist."</span><span class="o">.</span><span class="n">format</span><span class="p">(</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">))</span> |
| |
| <span class="k">try</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">delete_table</span><span class="p">(</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">table_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">,</span> |
| <span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">NotFound</span><span class="p">:</span> |
| <span class="c1"># It's OK if table doesn't exists.</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"The table '</span><span class="si">%s</span><span class="s2">' no longer exists. Consider it as deleted"</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">GoogleAPICallError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'An error occurred. Exiting.'</span><span class="p">)</span> |
| <span class="k">raise</span> <span class="n">e</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableClusterUpdateOperator"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableClusterUpdateOperator">[docs]</a><span class="k">class</span> <span class="nc">BigtableClusterUpdateOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Updates a Cloud Bigtable cluster.</span> |
| |
| <span class="sd"> For more details about updating a Cloud Bigtable cluster,</span> |
| <span class="sd"> have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/cluster.html#google.cloud.bigtable.cluster.Cluster.update</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableClusterUpdateOperator`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance.</span> |
| <span class="sd"> :type cluster_id: str</span> |
| <span class="sd"> :param cluster_id: The ID of the Cloud Bigtable cluster to update.</span> |
| <span class="sd"> :type nodes: int</span> |
| <span class="sd"> :param nodes: The desired number of nodes for the Cloud Bigtable cluster.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project.</span> |
| <span class="sd"> """</span> |
| <div class="viewcode-block" id="BigtableClusterUpdateOperator.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableClusterUpdateOperator.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'cluster_id'</span><span class="p">,</span> <span class="s1">'nodes'</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="BigtableClusterUpdateOperator.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableClusterUpdateOperator.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'cluster_id'</span><span class="p">,</span> <span class="s1">'nodes'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">cluster_id</span><span class="p">,</span> |
| <span class="n">nodes</span><span class="p">,</span> |
| <span class="n">project_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'google_cloud_default'</span><span class="p">,</span> |
| <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cluster_id</span> <span class="o">=</span> <span class="n">cluster_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableClusterUpdateOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableClusterUpdateOperator.execute"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableClusterUpdateOperator.execute">[docs]</a> <span class="k">def</span> <span class="nf">execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">instance</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"Dependency: instance '</span><span class="si">{}</span><span class="s2">' does not exist."</span><span class="o">.</span><span class="n">format</span><span class="p">(</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">))</span> |
| |
| <span class="k">try</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">update_cluster</span><span class="p">(</span> |
| <span class="n">instance</span><span class="o">=</span><span class="n">instance</span><span class="p">,</span> |
| <span class="n">cluster_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster_id</span><span class="p">,</span> |
| <span class="n">nodes</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nodes</span> |
| <span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">NotFound</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span> |
| <span class="s2">"Dependency: cluster '</span><span class="si">{}</span><span class="s2">' does not exist for instance '</span><span class="si">{}</span><span class="s2">'."</span><span class="o">.</span> |
| <span class="nb">format</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">))</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">GoogleAPICallError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'An error occurred. Exiting.'</span><span class="p">)</span> |
| <span class="k">raise</span> <span class="n">e</span></div></div> |
| |
| |
| <div class="viewcode-block" id="BigtableTableWaitForReplicationSensor"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableWaitForReplicationSensor">[docs]</a><span class="k">class</span> <span class="nc">BigtableTableWaitForReplicationSensor</span><span class="p">(</span><span class="n">BaseSensorOperator</span><span class="p">,</span> <span class="n">BigtableValidationMixin</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Sensor that waits for Cloud Bigtable table to be fully replicated to its clusters.</span> |
| <span class="sd"> No exception will be raised if the instance or the table does not exist.</span> |
| |
| <span class="sd"> For more details about cluster states for a table, have a look at the reference:</span> |
| <span class="sd"> https://googleapis.github.io/google-cloud-python/latest/bigtable/table.html#google.cloud.bigtable.table.Table.get_cluster_states</span> |
| |
| <span class="sd"> .. seealso::</span> |
| <span class="sd"> For more information on how to use this operator, take a look at the guide:</span> |
| <span class="sd"> :ref:`howto/operator:BigtableTableWaitForReplicationSensor`</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table to check replication status.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, the ID of the GCP project.</span> |
| <span class="sd"> """</span> |
| <div class="viewcode-block" id="BigtableTableWaitForReplicationSensor.REQUIRED_ATTRIBUTES"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableWaitForReplicationSensor.REQUIRED_ATTRIBUTES">[docs]</a> <span class="n">REQUIRED_ATTRIBUTES</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="BigtableTableWaitForReplicationSensor.template_fields"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableWaitForReplicationSensor.template_fields">[docs]</a> <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'project_id'</span><span class="p">,</span> <span class="s1">'instance_id'</span><span class="p">,</span> <span class="s1">'table_id'</span><span class="p">]</span></div> |
| |
| <span class="nd">@apply_defaults</span> |
| <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">table_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="n">gcp_conn_id</span><span class="o">=</span><span class="s1">'google_cloud_default'</span><span class="p">,</span> |
| <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">project_id</span> <span class="o">=</span> <span class="n">project_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span> <span class="o">=</span> <span class="n">instance_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span> <span class="o">=</span> <span class="n">table_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_validate_inputs</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="n">BigtableHook</span><span class="p">(</span><span class="n">gcp_conn_id</span><span class="o">=</span><span class="n">gcp_conn_id</span><span class="p">)</span> |
| <span class="nb">super</span><span class="p">(</span><span class="n">BigtableTableWaitForReplicationSensor</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="BigtableTableWaitForReplicationSensor.poke"><a class="viewcode-back" href="../../../../_api/airflow/contrib/operators/gcp_bigtable_operator/index.html#airflow.contrib.operators.gcp_bigtable_operator.BigtableTableWaitForReplicationSensor.poke">[docs]</a> <span class="k">def</span> <span class="nf">poke</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">project_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">project_id</span><span class="p">,</span> |
| <span class="n">instance_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">instance</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Dependency: instance '</span><span class="si">%s</span><span class="s2">' does not exist."</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">return</span> <span class="kc">False</span> |
| |
| <span class="k">try</span><span class="p">:</span> |
| <span class="n">cluster_states</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_cluster_states_for_table</span><span class="p">(</span><span class="n">instance</span><span class="o">=</span><span class="n">instance</span><span class="p">,</span> |
| <span class="n">table_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="k">except</span> <span class="n">google</span><span class="o">.</span><span class="n">api_core</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">NotFound</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span> |
| <span class="s2">"Dependency: table '</span><span class="si">%s</span><span class="s2">' does not exist in instance '</span><span class="si">%s</span><span class="s2">'."</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">instance_id</span><span class="p">)</span> |
| <span class="k">return</span> <span class="kc">False</span> |
| |
| <span class="n">ready_state</span> <span class="o">=</span> <span class="n">ClusterState</span><span class="p">(</span><span class="n">enums</span><span class="o">.</span><span class="n">Table</span><span class="o">.</span><span class="n">ClusterState</span><span class="o">.</span><span class="n">ReplicationState</span><span class="o">.</span><span class="n">READY</span><span class="p">)</span> |
| |
| <span class="n">is_table_replicated</span> <span class="o">=</span> <span class="kc">True</span> |
| <span class="k">for</span> <span class="n">cluster_id</span> <span class="ow">in</span> <span class="n">cluster_states</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span> |
| <span class="k">if</span> <span class="n">cluster_states</span><span class="p">[</span><span class="n">cluster_id</span><span class="p">]</span> <span class="o">!=</span> <span class="n">ready_state</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Table '</span><span class="si">%s</span><span class="s2">' is not yet replicated on cluster '</span><span class="si">%s</span><span class="s2">'."</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">,</span> <span class="n">cluster_id</span><span class="p">)</span> |
| <span class="n">is_table_replicated</span> <span class="o">=</span> <span class="kc">False</span> |
| |
| <span class="k">if</span> <span class="ow">not</span> <span class="n">is_table_replicated</span><span class="p">:</span> |
| <span class="k">return</span> <span class="kc">False</span> |
| |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Table '</span><span class="si">%s</span><span class="s2">' is replicated."</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="k">return</span> <span class="kc">True</span></div></div> |
| </pre></div> |
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