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| <h1>Source code for airflow.contrib.hooks.qubole_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="c1">#</span> |
| |
| <span class="kn">import</span> <span class="nn">os</span> |
| <span class="kn">import</span> <span class="nn">time</span> |
| <span class="kn">import</span> <span class="nn">datetime</span> |
| <span class="kn">import</span> <span class="nn">six</span> |
| |
| <span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span> |
| <span class="kn">from</span> <span class="nn">airflow.hooks.base_hook</span> <span class="k">import</span> <span class="n">BaseHook</span> |
| <span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">configuration</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.log.logging_mixin</span> <span class="k">import</span> <span class="n">LoggingMixin</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.state</span> <span class="k">import</span> <span class="n">State</span> |
| |
| <span class="kn">from</span> <span class="nn">qds_sdk.qubole</span> <span class="k">import</span> <span class="n">Qubole</span> |
| <span class="kn">from</span> <span class="nn">qds_sdk.commands</span> <span class="k">import</span> <span class="n">Command</span><span class="p">,</span> <span class="n">HiveCommand</span><span class="p">,</span> <span class="n">PrestoCommand</span><span class="p">,</span> <span class="n">HadoopCommand</span><span class="p">,</span> \ |
| <span class="n">PigCommand</span><span class="p">,</span> <span class="n">ShellCommand</span><span class="p">,</span> <span class="n">SparkCommand</span><span class="p">,</span> <span class="n">DbTapQueryCommand</span><span class="p">,</span> <span class="n">DbExportCommand</span><span class="p">,</span> \ |
| <span class="n">DbImportCommand</span> |
| |
| |
| <span class="n">COMMAND_CLASSES</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s2">"hivecmd"</span><span class="p">:</span> <span class="n">HiveCommand</span><span class="p">,</span> |
| <span class="s2">"prestocmd"</span><span class="p">:</span> <span class="n">PrestoCommand</span><span class="p">,</span> |
| <span class="s2">"hadoopcmd"</span><span class="p">:</span> <span class="n">HadoopCommand</span><span class="p">,</span> |
| <span class="s2">"shellcmd"</span><span class="p">:</span> <span class="n">ShellCommand</span><span class="p">,</span> |
| <span class="s2">"pigcmd"</span><span class="p">:</span> <span class="n">PigCommand</span><span class="p">,</span> |
| <span class="s2">"sparkcmd"</span><span class="p">:</span> <span class="n">SparkCommand</span><span class="p">,</span> |
| <span class="s2">"dbtapquerycmd"</span><span class="p">:</span> <span class="n">DbTapQueryCommand</span><span class="p">,</span> |
| <span class="s2">"dbexportcmd"</span><span class="p">:</span> <span class="n">DbExportCommand</span><span class="p">,</span> |
| <span class="s2">"dbimportcmd"</span><span class="p">:</span> <span class="n">DbImportCommand</span> |
| <span class="p">}</span> |
| |
| <span class="n">HYPHEN_ARGS</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'app_id'</span><span class="p">,</span> <span class="s1">'note_id'</span><span class="p">]</span> |
| |
| <span class="n">POSITIONAL_ARGS</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'sub_command'</span><span class="p">,</span> <span class="s1">'parameters'</span><span class="p">]</span> |
| |
| <span class="n">COMMAND_ARGS</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s2">"hivecmd"</span><span class="p">:</span> <span class="p">[</span><span class="s1">'query'</span><span class="p">,</span> <span class="s1">'script_location'</span><span class="p">,</span> <span class="s1">'macros'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'sample_size'</span><span class="p">,</span> |
| <span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'prestocmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'query'</span><span class="p">,</span> <span class="s1">'script_location'</span><span class="p">,</span> <span class="s1">'macros'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'hadoopcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'sub_command'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'shellcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'script'</span><span class="p">,</span> <span class="s1">'script_location'</span><span class="p">,</span> <span class="s1">'files'</span><span class="p">,</span> <span class="s1">'archives'</span><span class="p">,</span> <span class="s1">'parameters'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> |
| <span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'pigcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'script'</span><span class="p">,</span> <span class="s1">'script_location'</span><span class="p">,</span> <span class="s1">'parameters'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'cluster_label'</span><span class="p">,</span> |
| <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'dbtapquerycmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'db_tap_id'</span><span class="p">,</span> <span class="s1">'query'</span><span class="p">,</span> <span class="s1">'macros'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'sparkcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'program'</span><span class="p">,</span> <span class="s1">'cmdline'</span><span class="p">,</span> <span class="s1">'sql'</span><span class="p">,</span> <span class="s1">'script_location'</span><span class="p">,</span> <span class="s1">'macros'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> |
| <span class="s1">'cluster_label'</span><span class="p">,</span> <span class="s1">'language'</span><span class="p">,</span> <span class="s1">'app_id'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">,</span> <span class="s1">'arguments'</span><span class="p">,</span> <span class="s1">'note_id'</span><span class="p">,</span> |
| <span class="s1">'user_program_arguments'</span><span class="p">],</span> |
| <span class="s1">'dbexportcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'mode'</span><span class="p">,</span> <span class="s1">'hive_table'</span><span class="p">,</span> <span class="s1">'partition_spec'</span><span class="p">,</span> <span class="s1">'dbtap_id'</span><span class="p">,</span> <span class="s1">'db_table'</span><span class="p">,</span> |
| <span class="s1">'db_update_mode'</span><span class="p">,</span> <span class="s1">'db_update_keys'</span><span class="p">,</span> <span class="s1">'export_dir'</span><span class="p">,</span> |
| <span class="s1">'fields_terminated_by'</span><span class="p">,</span> <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> |
| <span class="s1">'dbimportcmd'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'mode'</span><span class="p">,</span> <span class="s1">'hive_table'</span><span class="p">,</span> <span class="s1">'dbtap_id'</span><span class="p">,</span> <span class="s1">'db_table'</span><span class="p">,</span> <span class="s1">'where_clause'</span><span class="p">,</span> |
| <span class="s1">'parallelism'</span><span class="p">,</span> <span class="s1">'extract_query'</span><span class="p">,</span> <span class="s1">'boundary_query'</span><span class="p">,</span> <span class="s1">'split_column'</span><span class="p">,</span> |
| <span class="s1">'tags'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">]</span> |
| <span class="p">}</span> |
| |
| |
| <div class="viewcode-block" id="QuboleHook"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.qubole_hook.QuboleHook">[docs]</a><span class="k">class</span> <span class="nc">QuboleHook</span><span class="p">(</span><span class="n">BaseHook</span><span class="p">,</span> <span class="n">LoggingMixin</span><span class="p">):</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="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="n">conn</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connection</span><span class="p">(</span><span class="n">kwargs</span><span class="p">[</span><span class="s1">'qubole_conn_id'</span><span class="p">])</span> |
| <span class="n">Qubole</span><span class="o">.</span><span class="n">configure</span><span class="p">(</span><span class="n">api_token</span><span class="o">=</span><span class="n">conn</span><span class="o">.</span><span class="n">password</span><span class="p">,</span> <span class="n">api_url</span><span class="o">=</span><span class="n">conn</span><span class="o">.</span><span class="n">host</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">task_id</span> <span class="o">=</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">'task_id'</span><span class="p">]</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">=</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">'dag'</span><span class="p">]</span><span class="o">.</span><span class="n">dag_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span> <span class="o">=</span> <span class="n">kwargs</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cls</span> <span class="o">=</span> <span class="n">COMMAND_CLASSES</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span><span class="p">[</span><span class="s1">'command_type'</span><span class="p">]]</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="o">=</span> <span class="kc">None</span> |
| |
| <span class="nd">@staticmethod</span> |
| <span class="k">def</span> <span class="nf">handle_failure_retry</span><span class="p">(</span><span class="n">context</span><span class="p">):</span> |
| <span class="n">ti</span> <span class="o">=</span> <span class="n">context</span><span class="p">[</span><span class="s1">'ti'</span><span class="p">]</span> |
| <span class="n">cmd_id</span> <span class="o">=</span> <span class="n">ti</span><span class="o">.</span><span class="n">xcom_pull</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s1">'qbol_cmd_id'</span><span class="p">,</span> <span class="n">task_ids</span><span class="o">=</span><span class="n">ti</span><span class="o">.</span><span class="n">task_id</span><span class="p">)</span> |
| |
| <span class="k">if</span> <span class="n">cmd_id</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cmd</span> <span class="o">=</span> <span class="n">Command</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">cmd_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="n">cmd</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">log</span> <span class="o">=</span> <span class="n">LoggingMixin</span><span class="p">()</span><span class="o">.</span><span class="n">log</span> |
| <span class="k">if</span> <span class="n">cmd</span><span class="o">.</span><span class="n">status</span> <span class="o">==</span> <span class="s1">'done'</span><span class="p">:</span> |
| <span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'Command ID: </span><span class="si">%s</span><span class="s1"> has been succeeded, hence marking this '</span> |
| <span class="s1">'TI as Success.'</span><span class="p">,</span> <span class="n">cmd_id</span><span class="p">)</span> |
| <span class="n">ti</span><span class="o">.</span><span class="n">state</span> <span class="o">=</span> <span class="n">State</span><span class="o">.</span><span class="n">SUCCESS</span> |
| <span class="k">elif</span> <span class="n">cmd</span><span class="o">.</span><span class="n">status</span> <span class="o">==</span> <span class="s1">'running'</span><span class="p">:</span> |
| <span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'Cancelling the Qubole Command Id: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="n">cmd_id</span><span class="p">)</span> |
| <span class="n">cmd</span><span class="o">.</span><span class="n">cancel</span><span class="p">()</span> |
| |
| <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">args</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">create_cmd_args</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">cmd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="o">**</span><span class="n">args</span><span class="p">)</span> |
| <span class="n">context</span><span class="p">[</span><span class="s1">'task_instance'</span><span class="p">]</span><span class="o">.</span><span class="n">xcom_push</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s1">'qbol_cmd_id'</span><span class="p">,</span> <span class="n">value</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">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">"Qubole command created with Id: </span><span class="si">%s</span><span class="s2"> and Status: </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">cmd</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">status</span> |
| <span class="p">)</span> |
| |
| <span class="k">while</span> <span class="ow">not</span> <span class="n">Command</span><span class="o">.</span><span class="n">is_done</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">status</span><span class="p">):</span> |
| <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="n">Qubole</span><span class="o">.</span><span class="n">poll_interval</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">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">"Command Id: </span><span class="si">%s</span><span class="s2"> and Status: </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">cmd</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">status</span><span class="p">)</span> |
| |
| <span class="k">if</span> <span class="s1">'fetch_logs'</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span><span class="p">[</span><span class="s1">'fetch_logs'</span><span class="p">]</span> <span class="ow">is</span> <span class="kc">True</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">"Logs for Command Id: </span><span class="si">%s</span><span class="s2"> </span><span class="se">\n</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">cmd</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">get_log</span><span class="p">())</span> |
| |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">status</span> <span class="o">!=</span> <span class="s1">'done'</span><span class="p">:</span> |
| <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Command Id: </span><span class="si">{0}</span><span class="s1"> failed with Status: </span><span class="si">{1}</span><span class="s1">'</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">cmd</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">status</span><span class="p">))</span> |
| |
| <div class="viewcode-block" id="QuboleHook.kill"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.qubole_hook.QuboleHook.kill">[docs]</a> <span class="k">def</span> <span class="nf">kill</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ti</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Kill (cancel) a Qubole command</span> |
| <span class="sd"> :param ti: Task Instance of the dag, used to determine the Quboles command id</span> |
| <span class="sd"> :return: response from Qubole</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cmd_id</span> <span class="o">=</span> <span class="n">ti</span><span class="o">.</span><span class="n">xcom_pull</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s2">"qbol_cmd_id"</span><span class="p">,</span> <span class="n">task_ids</span><span class="o">=</span><span class="n">ti</span><span class="o">.</span><span class="n">task_id</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">cmd_id</span><span class="p">)</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</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="s1">'Sending KILL signal to Qubole Command Id: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">id</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">cancel</span><span class="p">()</span></div> |
| |
| <div class="viewcode-block" id="QuboleHook.get_results"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.qubole_hook.QuboleHook.get_results">[docs]</a> <span class="k">def</span> <span class="nf">get_results</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ti</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">fp</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">inline</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">delim</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">fetch</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Get results (or just s3 locations) of a command from Qubole and save into a file</span> |
| <span class="sd"> :param ti: Task Instance of the dag, used to determine the Quboles command id</span> |
| <span class="sd"> :param fp: Optional file pointer, will create one and return if None passed</span> |
| <span class="sd"> :param inline: True to download actual results, False to get s3 locations only</span> |
| <span class="sd"> :param delim: Replaces the CTL-A chars with the given delim, defaults to ','</span> |
| <span class="sd"> :param fetch: when inline is True, get results directly from s3 (if large)</span> |
| <span class="sd"> :return: file location containing actual results or s3 locations of results</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="n">fp</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">iso</span> <span class="o">=</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">utcnow</span><span class="p">()</span><span class="o">.</span><span class="n">isoformat</span><span class="p">()</span> |
| <span class="n">logpath</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">expanduser</span><span class="p">(</span> |
| <span class="n">configuration</span><span class="o">.</span><span class="n">conf</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'core'</span><span class="p">,</span> <span class="s1">'BASE_LOG_FOLDER'</span><span class="p">)</span> |
| <span class="p">)</span> |
| <span class="n">resultpath</span> <span class="o">=</span> <span class="n">logpath</span> <span class="o">+</span> <span class="s1">'/'</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">+</span> <span class="s1">'/'</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_id</span> <span class="o">+</span> <span class="s1">'/results'</span> |
| <span class="n">configuration</span><span class="o">.</span><span class="n">mkdir_p</span><span class="p">(</span><span class="n">resultpath</span><span class="p">)</span> |
| <span class="n">fp</span> <span class="o">=</span> <span class="nb">open</span><span class="p">(</span><span class="n">resultpath</span> <span class="o">+</span> <span class="s1">'/'</span> <span class="o">+</span> <span class="n">iso</span><span class="p">,</span> <span class="s1">'wb'</span><span class="p">)</span> |
| |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cmd_id</span> <span class="o">=</span> <span class="n">ti</span><span class="o">.</span><span class="n">xcom_pull</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s2">"qbol_cmd_id"</span><span class="p">,</span> <span class="n">task_ids</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">task_id</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">cmd_id</span><span class="p">)</span> |
| |
| <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span><span class="o">.</span><span class="n">get_results</span><span class="p">(</span><span class="n">fp</span><span class="p">,</span> <span class="n">inline</span><span class="p">,</span> <span class="n">delim</span><span class="p">,</span> <span class="n">fetch</span><span class="p">)</span> |
| <span class="n">fp</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span> |
| <span class="n">fp</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> |
| <span class="k">return</span> <span class="n">fp</span><span class="o">.</span><span class="n">name</span></div> |
| |
| <div class="viewcode-block" id="QuboleHook.get_log"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.qubole_hook.QuboleHook.get_log">[docs]</a> <span class="k">def</span> <span class="nf">get_log</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ti</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Get Logs of a command from Qubole</span> |
| <span class="sd"> :param ti: Task Instance of the dag, used to determine the Quboles command id</span> |
| <span class="sd"> :return: command log as text</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cmd_id</span> <span class="o">=</span> <span class="n">ti</span><span class="o">.</span><span class="n">xcom_pull</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s2">"qbol_cmd_id"</span><span class="p">,</span> <span class="n">task_ids</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">task_id</span><span class="p">)</span> |
| <span class="n">Command</span><span class="o">.</span><span class="n">get_log_id</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="p">,</span> <span class="n">cmd_id</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="QuboleHook.get_jobs_id"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.qubole_hook.QuboleHook.get_jobs_id">[docs]</a> <span class="k">def</span> <span class="nf">get_jobs_id</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ti</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Get jobs associated with a Qubole commands</span> |
| <span class="sd"> :param ti: Task Instance of the dag, used to determine the Quboles command id</span> |
| <span class="sd"> :return: Job informations assoiciated with command</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">cmd</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cmd_id</span> <span class="o">=</span> <span class="n">ti</span><span class="o">.</span><span class="n">xcom_pull</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="s2">"qbol_cmd_id"</span><span class="p">,</span> <span class="n">task_ids</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">task_id</span><span class="p">)</span> |
| <span class="n">Command</span><span class="o">.</span><span class="n">get_jobs_id</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cls</span><span class="p">,</span> <span class="n">cmd_id</span><span class="p">)</span></div> |
| |
| <span class="k">def</span> <span class="nf">create_cmd_args</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">args</span> <span class="o">=</span> <span class="p">[]</span> |
| <span class="n">cmd_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span><span class="p">[</span><span class="s1">'command_type'</span><span class="p">]</span> |
| <span class="n">inplace_args</span> <span class="o">=</span> <span class="kc">None</span> |
| <span class="n">tags</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">dag_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_id</span><span class="p">,</span> <span class="n">context</span><span class="p">[</span><span class="s1">'run_id'</span><span class="p">]])</span> |
| |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">kwargs</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <span class="k">if</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">COMMAND_ARGS</span><span class="p">[</span><span class="n">cmd_type</span><span class="p">]:</span> |
| <span class="k">if</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">HYPHEN_ARGS</span><span class="p">:</span> |
| <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"--</span><span class="si">{0}</span><span class="s2">=</span><span class="si">{1}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">k</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'_'</span><span class="p">,</span> <span class="s1">'-'</span><span class="p">),</span> <span class="n">v</span><span class="p">))</span> |
| <span class="k">elif</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">POSITIONAL_ARGS</span><span class="p">:</span> |
| <span class="n">inplace_args</span> <span class="o">=</span> <span class="n">v</span> |
| <span class="k">elif</span> <span class="n">k</span> <span class="o">==</span> <span class="s1">'tags'</span><span class="p">:</span> |
| <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span> |
| <span class="n">tags</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> |
| <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">)):</span> |
| <span class="k">for</span> <span class="n">val</span> <span class="ow">in</span> <span class="n">v</span><span class="p">:</span> |
| <span class="n">tags</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">val</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"--</span><span class="si">{0}</span><span class="s2">=</span><span class="si">{1}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">k</span><span class="p">,</span> <span class="n">v</span><span class="p">))</span> |
| |
| <span class="k">if</span> <span class="n">k</span> <span class="o">==</span> <span class="s1">'notify'</span> <span class="ow">and</span> <span class="n">v</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span> |
| <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"--notify"</span><span class="p">)</span> |
| |
| <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"--tags=</span><span class="si">{0}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="s1">','</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="nb">filter</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">tags</span><span class="p">))))</span> |
| |
| <span class="k">if</span> <span class="n">inplace_args</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">args</span> <span class="o">+=</span> <span class="n">inplace_args</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">' '</span><span class="p">)</span> |
| |
| <span class="k">return</span> <span class="n">args</span></div> |
| </pre></div> |
| |
| </div> |
| |
| </div> |
| <footer> |
| |
| |
| <hr/> |
| |
| <div role="contentinfo"> |
| <p> |
| |
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