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| <h1>Source code for airflow.executors.base_executor</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">builtins</span> <span class="k">import</span> <span class="nb">range</span> |
| <span class="kn">from</span> <span class="nn">collections</span> <span class="k">import</span> <span class="n">OrderedDict</span> |
| |
| <span class="c1"># To avoid circular imports</span> |
| <span class="kn">import</span> <span class="nn">airflow.utils.dag_processing</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.settings</span> <span class="k">import</span> <span class="n">Stats</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> |
| |
| <div class="viewcode-block" id="PARALLELISM"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.PARALLELISM">[docs]</a><span class="n">PARALLELISM</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">conf</span><span class="o">.</span><span class="n">getint</span><span class="p">(</span><span class="s1">'core'</span><span class="p">,</span> <span class="s1">'PARALLELISM'</span><span class="p">)</span></div> |
| |
| |
| <div class="viewcode-block" id="BaseExecutor"><a class="viewcode-back" href="../../../_api/airflow/executors/index.html#airflow.executors.base_executor.BaseExecutor">[docs]</a><span class="k">class</span> <span class="nc">BaseExecutor</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="n">parallelism</span><span class="o">=</span><span class="n">PARALLELISM</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Class to derive in order to interface with executor-type systems</span> |
| <span class="sd"> like Celery, Mesos, Yarn and the likes.</span> |
| |
| <span class="sd"> :param parallelism: how many jobs should run at one time. Set to</span> |
| <span class="sd"> ``0`` for infinity</span> |
| <span class="sd"> :type parallelism: int</span> |
| <span class="sd"> """</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">parallelism</span> <span class="o">=</span> <span class="n">parallelism</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span> <span class="o">=</span> <span class="n">OrderedDict</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">running</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span> <span class="o">=</span> <span class="p">{}</span> |
| |
| <div class="viewcode-block" id="BaseExecutor.start"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.start">[docs]</a> <span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c1"># pragma: no cover</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Executors may need to get things started. For example LocalExecutor</span> |
| <span class="sd"> starts N workers.</span> |
| <span class="sd"> """</span> |
| <span class="k">pass</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.queue_command"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.queue_command">[docs]</a> <span class="k">def</span> <span class="nf">queue_command</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">simple_task_instance</span><span class="p">,</span> <span class="n">command</span><span class="p">,</span> <span class="n">priority</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">queue</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="n">key</span> <span class="o">=</span> <span class="n">simple_task_instance</span><span class="o">.</span><span class="n">key</span> |
| <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">running</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">"Adding to queue: </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">command</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="n">priority</span><span class="p">,</span> <span class="n">queue</span><span class="p">,</span> <span class="n">simple_task_instance</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">"could not queue task </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.queue_task_instance"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.queue_task_instance">[docs]</a> <span class="k">def</span> <span class="nf">queue_task_instance</span><span class="p">(</span> |
| <span class="bp">self</span><span class="p">,</span> |
| <span class="n">task_instance</span><span class="p">,</span> |
| <span class="n">mark_success</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> |
| <span class="n">pickle_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">ignore_all_deps</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> |
| <span class="n">ignore_depends_on_past</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> |
| <span class="n">ignore_task_deps</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> |
| <span class="n">ignore_ti_state</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> |
| <span class="n">pool</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">cfg_path</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="n">pool</span> <span class="o">=</span> <span class="n">pool</span> <span class="ow">or</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">pool</span> |
| |
| <span class="c1"># TODO (edgarRd): AIRFLOW-1985:</span> |
| <span class="c1"># cfg_path is needed to propagate the config values if using impersonation</span> |
| <span class="c1"># (run_as_user), given that there are different code paths running tasks.</span> |
| <span class="c1"># For a long term solution we need to address AIRFLOW-1986</span> |
| <span class="n">command</span> <span class="o">=</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">command_as_list</span><span class="p">(</span> |
| <span class="n">local</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> |
| <span class="n">mark_success</span><span class="o">=</span><span class="n">mark_success</span><span class="p">,</span> |
| <span class="n">ignore_all_deps</span><span class="o">=</span><span class="n">ignore_all_deps</span><span class="p">,</span> |
| <span class="n">ignore_depends_on_past</span><span class="o">=</span><span class="n">ignore_depends_on_past</span><span class="p">,</span> |
| <span class="n">ignore_task_deps</span><span class="o">=</span><span class="n">ignore_task_deps</span><span class="p">,</span> |
| <span class="n">ignore_ti_state</span><span class="o">=</span><span class="n">ignore_ti_state</span><span class="p">,</span> |
| <span class="n">pool</span><span class="o">=</span><span class="n">pool</span><span class="p">,</span> |
| <span class="n">pickle_id</span><span class="o">=</span><span class="n">pickle_id</span><span class="p">,</span> |
| <span class="n">cfg_path</span><span class="o">=</span><span class="n">cfg_path</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">queue_command</span><span class="p">(</span> |
| <span class="n">airflow</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">dag_processing</span><span class="o">.</span><span class="n">SimpleTaskInstance</span><span class="p">(</span><span class="n">task_instance</span><span class="p">),</span> |
| <span class="n">command</span><span class="p">,</span> |
| <span class="n">priority</span><span class="o">=</span><span class="n">task_instance</span><span class="o">.</span><span class="n">task</span><span class="o">.</span><span class="n">priority_weight_total</span><span class="p">,</span> |
| <span class="n">queue</span><span class="o">=</span><span class="n">task_instance</span><span class="o">.</span><span class="n">task</span><span class="o">.</span><span class="n">queue</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.has_task"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.has_task">[docs]</a> <span class="k">def</span> <span class="nf">has_task</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">task_instance</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Checks if a task is either queued or running in this executor</span> |
| |
| <span class="sd"> :param task_instance: TaskInstance</span> |
| <span class="sd"> :return: True if the task is known to this executor</span> |
| <span class="sd"> """</span> |
| <span class="k">if</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span> <span class="ow">or</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">running</span><span class="p">:</span> |
| <span class="k">return</span> <span class="kc">True</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.sync"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.sync">[docs]</a> <span class="k">def</span> <span class="nf">sync</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Sync will get called periodically by the heartbeat method.</span> |
| <span class="sd"> Executors should override this to perform gather statuses.</span> |
| <span class="sd"> """</span> |
| <span class="k">pass</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.heartbeat"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.heartbeat">[docs]</a> <span class="k">def</span> <span class="nf">heartbeat</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="c1"># Triggering new jobs</span> |
| <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">parallelism</span><span class="p">:</span> |
| <span class="n">open_slots</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span><span class="p">)</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="n">open_slots</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parallelism</span> <span class="o">-</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">running</span><span class="p">)</span> |
| |
| <span class="n">num_running_tasks</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">running</span><span class="p">)</span> |
| <span class="n">num_queued_tasks</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</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">debug</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2"> running task instances"</span><span class="p">,</span> <span class="n">num_running_tasks</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">debug</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2"> in queue"</span><span class="p">,</span> <span class="n">num_queued_tasks</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">debug</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2"> open slots"</span><span class="p">,</span> <span class="n">open_slots</span><span class="p">)</span> |
| |
| <span class="n">Stats</span><span class="o">.</span><span class="n">gauge</span><span class="p">(</span><span class="s1">'executor.open_slots'</span><span class="p">,</span> <span class="n">open_slots</span><span class="p">)</span> |
| <span class="n">Stats</span><span class="o">.</span><span class="n">gauge</span><span class="p">(</span><span class="s1">'executor.queued_tasks'</span><span class="p">,</span> <span class="n">num_queued_tasks</span><span class="p">)</span> |
| <span class="n">Stats</span><span class="o">.</span><span class="n">gauge</span><span class="p">(</span><span class="s1">'executor.running_tasks'</span><span class="p">,</span> <span class="n">num_running_tasks</span><span class="p">)</span> |
| |
| <span class="n">sorted_queue</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">(</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">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">queued_tasks</span><span class="o">.</span><span class="n">items</span><span class="p">()],</span> |
| <span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="mi">1</span><span class="p">],</span> |
| <span class="n">reverse</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> |
| <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">min</span><span class="p">((</span><span class="n">open_slots</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span><span class="p">)))):</span> |
| <span class="n">key</span><span class="p">,</span> <span class="p">(</span><span class="n">command</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">queue</span><span class="p">,</span> <span class="n">simple_ti</span><span class="p">)</span> <span class="o">=</span> <span class="n">sorted_queue</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">queued_tasks</span><span class="o">.</span><span class="n">pop</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">running</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">command</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">execute_async</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="n">key</span><span class="p">,</span> |
| <span class="n">command</span><span class="o">=</span><span class="n">command</span><span class="p">,</span> |
| <span class="n">queue</span><span class="o">=</span><span class="n">queue</span><span class="p">,</span> |
| <span class="n">executor_config</span><span class="o">=</span><span class="n">simple_ti</span><span class="o">.</span><span class="n">executor_config</span><span class="p">)</span> |
| |
| <span class="c1"># Calling child class sync method</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">"Calling the </span><span class="si">%s</span><span class="s2"> sync method"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">sync</span><span class="p">()</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.change_state"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.change_state">[docs]</a> <span class="k">def</span> <span class="nf">change_state</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">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">debug</span><span class="p">(</span><span class="s2">"Changing state: </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">running</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">state</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.fail"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.fail">[docs]</a> <span class="k">def</span> <span class="nf">fail</span><span class="p">(</span><span class="bp">self</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">change_state</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">State</span><span class="o">.</span><span class="n">FAILED</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.success"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.success">[docs]</a> <span class="k">def</span> <span class="nf">success</span><span class="p">(</span><span class="bp">self</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">change_state</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">State</span><span class="o">.</span><span class="n">SUCCESS</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.get_event_buffer"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.get_event_buffer">[docs]</a> <span class="k">def</span> <span class="nf">get_event_buffer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dag_ids</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Returns and flush the event buffer. In case dag_ids is specified</span> |
| <span class="sd"> it will only return and flush events for the given dag_ids. Otherwise</span> |
| <span class="sd"> it returns and flushes all</span> |
| |
| <span class="sd"> :param dag_ids: to dag_ids to return events for, if None returns all</span> |
| <span class="sd"> :return: a dict of events</span> |
| <span class="sd"> """</span> |
| <span class="n">cleared_events</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span> |
| <span class="k">if</span> <span class="n">dag_ids</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> |
| <span class="n">cleared_events</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span> |
| <span class="k">else</span><span class="p">:</span> |
| <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span><span class="o">.</span><span class="n">keys</span><span class="p">()):</span> |
| <span class="n">dag_id</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="n">key</span> |
| <span class="k">if</span> <span class="n">dag_id</span> <span class="ow">in</span> <span class="n">dag_ids</span><span class="p">:</span> |
| <span class="n">cleared_events</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">event_buffer</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> |
| |
| <span class="k">return</span> <span class="n">cleared_events</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.execute_async"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.execute_async">[docs]</a> <span class="k">def</span> <span class="nf">execute_async</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> |
| <span class="n">key</span><span class="p">,</span> |
| <span class="n">command</span><span class="p">,</span> |
| <span class="n">queue</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <span class="n">executor_config</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="c1"># pragma: no cover</span> |
| <span class="sd">"""</span> |
| <span class="sd"> This method will execute the command asynchronously.</span> |
| <span class="sd"> """</span> |
| <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">()</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.end"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.end">[docs]</a> <span class="k">def</span> <span class="nf">end</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c1"># pragma: no cover</span> |
| <span class="sd">"""</span> |
| <span class="sd"> This method is called when the caller is done submitting job and is</span> |
| <span class="sd"> wants to wait synchronously for the job submitted previously to be</span> |
| <span class="sd"> all done.</span> |
| <span class="sd"> """</span> |
| <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">()</span></div> |
| |
| <div class="viewcode-block" id="BaseExecutor.terminate"><a class="viewcode-back" href="../../../_api/airflow/executors/base_executor/index.html#airflow.executors.base_executor.BaseExecutor.terminate">[docs]</a> <span class="k">def</span> <span class="nf">terminate</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> This method is called when the daemon receives a SIGTERM</span> |
| <span class="sd"> """</span> |
| <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">()</span></div></div> |
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