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| <h1>Source code for airflow.contrib.hooks.gcp_bigtable_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">from</span> <span class="nn">google.cloud.bigtable</span> <span class="kn">import</span> <span class="n">Client</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable.cluster</span> <span class="kn">import</span> <span class="n">Cluster</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable.instance</span> <span class="kn">import</span> <span class="n">Instance</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable.table</span> <span class="kn">import</span> <span class="n">Table</span> |
| <span class="kn">from</span> <span class="nn">google.cloud.bigtable_admin_v2</span> <span class="kn">import</span> <span class="n">enums</span> |
| <span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_api_base_hook</span> <span class="kn">import</span> <span class="n">GoogleCloudBaseHook</span> |
| |
| |
| <div class="viewcode-block" id="BigtableHook"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook">[docs]</a><span class="k">class</span> <span class="nc">BigtableHook</span><span class="p">(</span><span class="n">GoogleCloudBaseHook</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Hook for Google Cloud Bigtable 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="BigtableHook._client"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook._client">[docs]</a> <span class="n">_client</span> <span class="o">=</span> <span class="kc">None</span></div> |
| |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</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">BigtableHook</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> |
| |
| <div class="viewcode-block" id="BigtableHook._get_client"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook._get_client">[docs]</a> <span class="k">def</span> <span class="nf">_get_client</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="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_client</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_client</span> <span class="o">=</span> <span class="n">Client</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">credentials</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_get_credentials</span><span class="p">(),</span> |
| <span class="n">admin</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_client</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="BigtableHook.get_instance"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.get_instance">[docs]</a> <span class="k">def</span> <span class="nf">get_instance</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="sd">"""</span> |
| <span class="sd"> Retrieves and returns the specified Cloud Bigtable instance if it exists.</span> |
| <span class="sd"> Otherwise, returns None.</span> |
| |
| <span class="sd"> :param instance_id: The ID of the Cloud Bigtable instance.</span> |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> BigTable 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"> """</span> |
| |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_client</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="o">.</span><span class="n">instance</span><span class="p">(</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="o">.</span><span class="n">exists</span><span class="p">():</span> |
| <span class="k">return</span> <span class="kc">None</span> |
| <span class="k">return</span> <span class="n">instance</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="BigtableHook.delete_instance"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.delete_instance">[docs]</a> <span class="k">def</span> <span class="nf">delete_instance</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="sd">"""</span> |
| <span class="sd"> Deletes the specified Cloud Bigtable instance.</span> |
| <span class="sd"> Raises google.api_core.exceptions.NotFound if the Cloud Bigtable instance does</span> |
| <span class="sd"> not exist.</span> |
| |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> BigTable 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"> :param instance_id: The ID of the Cloud Bigtable instance.</span> |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> """</span> |
| <span class="n">instance</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">instance_id</span><span class="o">=</span><span class="n">instance_id</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="k">if</span> <span class="n">instance</span><span class="p">:</span> |
| <span class="n">instance</span><span class="o">.</span><span class="n">delete</span><span class="p">()</span> |
| <span class="k">else</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">'. Exiting"</span><span class="p">,</span> <span class="n">instance_id</span><span class="p">,</span> |
| <span class="n">project_id</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="BigtableHook.create_instance"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.create_instance">[docs]</a> <span class="k">def</span> <span class="nf">create_instance</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="n">enums</span><span class="o">.</span><span class="n">Instance</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TYPE_UNSPECIFIED</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="n">enums</span><span class="o">.</span><span class="n">StorageType</span><span class="o">.</span><span class="n">STORAGE_TYPE_UNSPECIFIED</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="sd">"""</span> |
| <span class="sd"> Creates new instance.</span> |
| |
| <span class="sd"> :type instance_id: str</span> |
| <span class="sd"> :param instance_id: The ID for the new instance.</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, Google Cloud Platform project ID where the</span> |
| <span class="sd"> BigTable 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 replica_cluster_id: str</span> |
| <span class="sd"> :param replica_cluster_id: (optional) The ID for replica cluster for the new</span> |
| <span class="sd"> 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.Instance.Type</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.</span> |
| <span class="sd"> Defaults to ``instance_id``.</span> |
| <span class="sd"> :type instance_labels: dict</span> |
| <span class="sd"> :param instance_labels: (optional) Dictionary of labels to associate with the</span> |
| <span class="sd"> 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.StorageType</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> |
| <span class="n">cluster_storage_type</span> <span class="o">=</span> <span class="n">enums</span><span class="o">.</span><span class="n">StorageType</span><span class="p">(</span><span class="n">cluster_storage_type</span><span class="p">)</span> |
| <span class="n">instance_type</span> <span class="o">=</span> <span class="n">enums</span><span class="o">.</span><span class="n">Instance</span><span class="o">.</span><span class="n">Type</span><span class="p">(</span><span class="n">instance_type</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">instance_id</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_get_client</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">instance_display_name</span><span class="p">,</span> |
| <span class="n">instance_type</span><span class="p">,</span> |
| <span class="n">instance_labels</span><span class="p">,</span> |
| <span class="p">)</span> |
| |
| <span class="n">clusters</span> <span class="o">=</span> <span class="p">[</span> |
| <span class="n">instance</span><span class="o">.</span><span class="n">cluster</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">cluster_nodes</span><span class="p">,</span> |
| <span class="n">cluster_storage_type</span> |
| <span class="p">)</span> |
| <span class="p">]</span> |
| <span class="k">if</span> <span class="n">replica_cluster_id</span> <span class="ow">and</span> <span class="n">replica_cluster_zone</span><span class="p">:</span> |
| <span class="n">clusters</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">instance</span><span class="o">.</span><span class="n">cluster</span><span class="p">(</span> |
| <span class="n">replica_cluster_id</span><span class="p">,</span> |
| <span class="n">replica_cluster_zone</span><span class="p">,</span> |
| <span class="n">cluster_nodes</span><span class="p">,</span> |
| <span class="n">cluster_storage_type</span> |
| <span class="p">))</span> |
| <span class="n">operation</span> <span class="o">=</span> <span class="n">instance</span><span class="o">.</span><span class="n">create</span><span class="p">(</span> |
| <span class="n">clusters</span><span class="o">=</span><span class="n">clusters</span> |
| <span class="p">)</span> |
| <span class="n">operation</span><span class="o">.</span><span class="n">result</span><span class="p">(</span><span class="n">timeout</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">instance</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="BigtableHook.create_table"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.create_table">[docs]</a> <span class="k">def</span> <span class="nf">create_table</span><span class="p">(</span><span class="n">instance</span><span class="p">,</span> |
| <span class="n">table_id</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="sd">"""</span> |
| <span class="sd"> Creates the specified Cloud Bigtable table.</span> |
| <span class="sd"> Raises ``google.api_core.exceptions.AlreadyExists`` if the table exists.</span> |
| |
| <span class="sd"> :type instance: Instance</span> |
| <span class="sd"> :param instance: The Cloud Bigtable instance that owns the table.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table to create in Cloud Bigtable.</span> |
| <span class="sd"> :type initial_split_keys: list</span> |
| <span class="sd"> :param initial_split_keys: (Optional) A list of row keys in bytes to use to</span> |
| <span class="sd"> initially split the table.</span> |
| <span class="sd"> :type column_families: dict</span> |
| <span class="sd"> :param column_families: (Optional) A map of columns to create. The key is the</span> |
| <span class="sd"> column_id str, and the value is a</span> |
| <span class="sd"> :class:`google.cloud.bigtable.column_family.GarbageCollectionRule`.</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="n">column_families</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">column_families</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="k">if</span> <span class="n">initial_split_keys</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">initial_split_keys</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="n">instance</span><span class="p">)</span> |
| <span class="n">table</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="n">initial_split_keys</span><span class="p">,</span> <span class="n">column_families</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="BigtableHook.delete_table"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.delete_table">[docs]</a> <span class="k">def</span> <span class="nf">delete_table</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="sd">"""</span> |
| <span class="sd"> Deletes the specified table in Cloud Bigtable.</span> |
| <span class="sd"> Raises google.api_core.exceptions.NotFound if the table does not exist.</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 in Cloud Bigtable.</span> |
| <span class="sd"> :type project_id: str</span> |
| <span class="sd"> :param project_id: Optional, Google Cloud Platform project ID where the</span> |
| <span class="sd"> BigTable 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"> """</span> |
| <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_instance</span><span class="p">(</span><span class="n">instance_id</span><span class="o">=</span><span class="n">instance_id</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="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">table_id</span><span class="o">=</span><span class="n">table_id</span><span class="p">)</span> |
| <span class="n">table</span><span class="o">.</span><span class="n">delete</span><span class="p">()</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="BigtableHook.update_cluster"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.update_cluster">[docs]</a> <span class="k">def</span> <span class="nf">update_cluster</span><span class="p">(</span><span class="n">instance</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="sd">"""</span> |
| <span class="sd"> Updates number of nodes in the specified Cloud Bigtable cluster.</span> |
| <span class="sd"> Raises google.api_core.exceptions.NotFound if the cluster does not exist.</span> |
| |
| <span class="sd"> :type instance: Instance</span> |
| <span class="sd"> :param instance: The Cloud Bigtable instance that owns the cluster.</span> |
| <span class="sd"> :type cluster_id: str</span> |
| <span class="sd"> :param cluster_id: The ID of the cluster.</span> |
| <span class="sd"> :type nodes: int</span> |
| <span class="sd"> :param nodes: The desired number of nodes.</span> |
| <span class="sd"> """</span> |
| <span class="n">cluster</span> <span class="o">=</span> <span class="n">Cluster</span><span class="p">(</span><span class="n">cluster_id</span><span class="p">,</span> <span class="n">instance</span><span class="p">)</span> |
| <span class="n">cluster</span><span class="o">.</span><span class="n">serve_nodes</span> <span class="o">=</span> <span class="n">nodes</span> |
| <span class="n">cluster</span><span class="o">.</span><span class="n">update</span><span class="p">()</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="BigtableHook.get_column_families_for_table"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.get_column_families_for_table">[docs]</a> <span class="k">def</span> <span class="nf">get_column_families_for_table</span><span class="p">(</span><span class="n">instance</span><span class="p">,</span> <span class="n">table_id</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Fetches Column Families for the specified table in Cloud Bigtable.</span> |
| |
| <span class="sd"> :type instance: Instance</span> |
| <span class="sd"> :param instance: The Cloud Bigtable instance that owns the table.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table in Cloud Bigtable to fetch Column Families</span> |
| <span class="sd"> from.</span> |
| <span class="sd"> """</span> |
| |
| <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="n">instance</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">table</span><span class="o">.</span><span class="n">list_column_families</span><span class="p">()</span></div> |
| |
| <span class="nd">@staticmethod</span> |
| <div class="viewcode-block" id="BigtableHook.get_cluster_states_for_table"><a class="viewcode-back" href="../../../../_api/airflow/contrib/hooks/gcp_bigtable_hook/index.html#airflow.contrib.hooks.gcp_bigtable_hook.BigtableHook.get_cluster_states_for_table">[docs]</a> <span class="k">def</span> <span class="nf">get_cluster_states_for_table</span><span class="p">(</span><span class="n">instance</span><span class="p">,</span> <span class="n">table_id</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Fetches Cluster States for the specified table in Cloud Bigtable.</span> |
| <span class="sd"> Raises google.api_core.exceptions.NotFound if the table does not exist.</span> |
| |
| <span class="sd"> :type instance: Instance</span> |
| <span class="sd"> :param instance: The Cloud Bigtable instance that owns the table.</span> |
| <span class="sd"> :type table_id: str</span> |
| <span class="sd"> :param table_id: The ID of the table in Cloud Bigtable to fetch Cluster States</span> |
| <span class="sd"> from.</span> |
| <span class="sd"> """</span> |
| |
| <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="n">instance</span><span class="p">)</span> |
| <span class="k">return</span> <span class="n">table</span><span class="o">.</span><span class="n">get_cluster_states</span><span class="p">()</span></div></div> |
| </pre></div> |
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