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| <h1>Source code for airflow.models.taskreschedule</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="sd">"""TaskReschedule tracks rescheduled task instances."""</span> |
| <span class="kn">from</span> <span class="nn">sqlalchemy</span> <span class="kn">import</span> <span class="n">Column</span><span class="p">,</span> <span class="n">ForeignKeyConstraint</span><span class="p">,</span> <span class="n">Index</span><span class="p">,</span> <span class="n">Integer</span><span class="p">,</span> <span class="n">String</span><span class="p">,</span> <span class="n">asc</span> |
| |
| <span class="kn">from</span> <span class="nn">airflow.models.base</span> <span class="kn">import</span> <span class="n">Base</span><span class="p">,</span> <span class="n">ID_LEN</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.db</span> <span class="kn">import</span> <span class="n">provide_session</span> |
| <span class="kn">from</span> <span class="nn">airflow.utils.sqlalchemy</span> <span class="kn">import</span> <span class="n">UtcDateTime</span> |
| |
| |
| <div class="viewcode-block" id="TaskReschedule"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule">[docs]</a><span class="k">class</span> <span class="nc">TaskReschedule</span><span class="p">(</span><span class="n">Base</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> TaskReschedule tracks rescheduled task instances.</span> |
| <span class="sd"> """</span> |
| |
| <div class="viewcode-block" id="TaskReschedule.__tablename__"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.__tablename__">[docs]</a> <span class="n">__tablename__</span> <span class="o">=</span> <span class="s2">"task_reschedule"</span></div> |
| |
| <div class="viewcode-block" id="TaskReschedule.id"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.id">[docs]</a> <span class="nb">id</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">Integer</span><span class="p">,</span> <span class="n">primary_key</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.task_id"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.task_id">[docs]</a> <span class="n">task_id</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">String</span><span class="p">(</span><span class="n">ID_LEN</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.dag_id"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.dag_id">[docs]</a> <span class="n">dag_id</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">String</span><span class="p">(</span><span class="n">ID_LEN</span><span class="p">),</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.execution_date"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.execution_date">[docs]</a> <span class="n">execution_date</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">UtcDateTime</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.try_number"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.try_number">[docs]</a> <span class="n">try_number</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">Integer</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.start_date"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.start_date">[docs]</a> <span class="n">start_date</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">UtcDateTime</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.end_date"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.end_date">[docs]</a> <span class="n">end_date</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">UtcDateTime</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.duration"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.duration">[docs]</a> <span class="n">duration</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">Integer</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| <div class="viewcode-block" id="TaskReschedule.reschedule_date"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.reschedule_date">[docs]</a> <span class="n">reschedule_date</span> <span class="o">=</span> <span class="n">Column</span><span class="p">(</span><span class="n">UtcDateTime</span><span class="p">,</span> <span class="n">nullable</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="TaskReschedule.__table_args__"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.__table_args__">[docs]</a> <span class="n">__table_args__</span> <span class="o">=</span> <span class="p">(</span> |
| <span class="n">Index</span><span class="p">(</span><span class="s1">'idx_task_reschedule_dag_task_date'</span><span class="p">,</span> <span class="n">dag_id</span><span class="p">,</span> <span class="n">task_id</span><span class="p">,</span> <span class="n">execution_date</span><span class="p">,</span> |
| <span class="n">unique</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> |
| <span class="n">ForeignKeyConstraint</span><span class="p">([</span><span class="n">task_id</span><span class="p">,</span> <span class="n">dag_id</span><span class="p">,</span> <span class="n">execution_date</span><span class="p">],</span> |
| <span class="p">[</span><span class="s1">'task_instance.task_id'</span><span class="p">,</span> <span class="s1">'task_instance.dag_id'</span><span class="p">,</span> |
| <span class="s1">'task_instance.execution_date'</span><span class="p">],</span> |
| <span class="n">name</span><span class="o">=</span><span class="s1">'task_reschedule_dag_task_date_fkey'</span><span class="p">,</span> |
| <span class="n">ondelete</span><span class="o">=</span><span class="s1">'CASCADE'</span><span class="p">)</span></div> |
| <span class="p">)</span> |
| |
| <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">task</span><span class="p">,</span> <span class="n">execution_date</span><span class="p">,</span> <span class="n">try_number</span><span class="p">,</span> <span class="n">start_date</span><span class="p">,</span> <span class="n">end_date</span><span class="p">,</span> |
| <span class="n">reschedule_date</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">task</span><span class="o">.</span><span class="n">dag_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">task_id</span> <span class="o">=</span> <span class="n">task</span><span class="o">.</span><span class="n">task_id</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">execution_date</span> <span class="o">=</span> <span class="n">execution_date</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">try_number</span> <span class="o">=</span> <span class="n">try_number</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">start_date</span> <span class="o">=</span> <span class="n">start_date</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">end_date</span> <span class="o">=</span> <span class="n">end_date</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">reschedule_date</span> <span class="o">=</span> <span class="n">reschedule_date</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">duration</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">end_date</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">start_date</span><span class="p">)</span><span class="o">.</span><span class="n">total_seconds</span><span class="p">()</span> |
| |
| <span class="nd">@staticmethod</span> |
| <span class="nd">@provide_session</span> |
| <div class="viewcode-block" id="TaskReschedule.find_for_task_instance"><a class="viewcode-back" href="../../../_api/airflow/models/taskreschedule/index.html#airflow.models.TaskReschedule.find_for_task_instance">[docs]</a> <span class="k">def</span> <span class="nf">find_for_task_instance</span><span class="p">(</span><span class="n">task_instance</span><span class="p">,</span> <span class="n">session</span><span class="p">):</span> |
| <span class="sd">"""</span> |
| <span class="sd"> Returns all task reschedules for the task instance and try number,</span> |
| <span class="sd"> in ascending order.</span> |
| |
| <span class="sd"> :param task_instance: the task instance to find task reschedules for</span> |
| <span class="sd"> :type task_instance: airflow.models.TaskInstance</span> |
| <span class="sd"> """</span> |
| <span class="n">TR</span> <span class="o">=</span> <span class="n">TaskReschedule</span> |
| <span class="k">return</span> <span class="p">(</span> |
| <span class="n">session</span> |
| <span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">TR</span><span class="p">)</span> |
| <span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">TR</span><span class="o">.</span><span class="n">dag_id</span> <span class="o">==</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">dag_id</span><span class="p">,</span> |
| <span class="n">TR</span><span class="o">.</span><span class="n">task_id</span> <span class="o">==</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">task_id</span><span class="p">,</span> |
| <span class="n">TR</span><span class="o">.</span><span class="n">execution_date</span> <span class="o">==</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">execution_date</span><span class="p">,</span> |
| <span class="n">TR</span><span class="o">.</span><span class="n">try_number</span> <span class="o">==</span> <span class="n">task_instance</span><span class="o">.</span><span class="n">try_number</span><span class="p">)</span> |
| <span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="n">asc</span><span class="p">(</span><span class="n">TR</span><span class="o">.</span><span class="n">id</span><span class="p">))</span></div></div> |
| <span class="o">.</span><span class="n">all</span><span class="p">()</span> |
| <span class="p">)</span> |
| </pre></div> |
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