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<h1>Source code for airflow.utils.db</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"># &quot;License&quot;); 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"># &quot;AS IS&quot; 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">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">absolute_import</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">division</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">unicode_literals</span>
<span class="kn">from</span> <span class="nn">functools</span> <span class="k">import</span> <span class="n">wraps</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">contextlib</span>
<span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">settings</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="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="nd">@contextlib</span><span class="o">.</span><span class="n">contextmanager</span>
<span class="k">def</span> <span class="nf">create_session</span><span class="p">():</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Contextmanager that will create and teardown a session.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">session</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">Session</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">yield</span> <span class="n">session</span>
<span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>
<span class="n">session</span><span class="o">.</span><span class="n">rollback</span><span class="p">()</span>
<span class="k">raise</span>
<span class="k">finally</span><span class="p">:</span>
<span class="n">session</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<div class="viewcode-block" id="provide_session"><a class="viewcode-back" href="../../../_api/airflow/models/index.html#airflow.models.provide_session">[docs]</a><span class="k">def</span> <span class="nf">provide_session</span><span class="p">(</span><span class="n">func</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Function decorator that provides a session if it isn&#39;t provided.</span>
<span class="sd"> If you want to reuse a session or run the function as part of a</span>
<span class="sd"> database transaction, you pass it to the function, if not this wrapper</span>
<span class="sd"> will create one and close it for you.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="nd">@wraps</span><span class="p">(</span><span class="n">func</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">wrapper</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">arg_session</span> <span class="o">=</span> <span class="s1">&#39;session&#39;</span>
<span class="n">func_params</span> <span class="o">=</span> <span class="n">func</span><span class="o">.</span><span class="vm">__code__</span><span class="o">.</span><span class="n">co_varnames</span>
<span class="n">session_in_args</span> <span class="o">=</span> <span class="n">arg_session</span> <span class="ow">in</span> <span class="n">func_params</span> <span class="ow">and</span> \
<span class="n">func_params</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">arg_session</span><span class="p">)</span> <span class="o">&lt;</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
<span class="n">session_in_kwargs</span> <span class="o">=</span> <span class="n">arg_session</span> <span class="ow">in</span> <span class="n">kwargs</span>
<span class="k">if</span> <span class="n">session_in_kwargs</span> <span class="ow">or</span> <span class="n">session_in_args</span><span class="p">:</span>
<span class="k">return</span> <span class="n">func</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="k">else</span><span class="p">:</span>
<span class="k">with</span> <span class="n">create_session</span><span class="p">()</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span>
<span class="n">kwargs</span><span class="p">[</span><span class="n">arg_session</span><span class="p">]</span> <span class="o">=</span> <span class="n">session</span>
<span class="k">return</span> <span class="n">func</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="k">return</span> <span class="n">wrapper</span></div>
<span class="nd">@provide_session</span>
<span class="k">def</span> <span class="nf">merge_conn</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="n">session</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">airflow.models.connection</span> <span class="k">import</span> <span class="n">Connection</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">Connection</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">Connection</span><span class="o">.</span><span class="n">conn_id</span> <span class="o">==</span> <span class="n">conn</span><span class="o">.</span><span class="n">conn_id</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">():</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">conn</span><span class="p">)</span>
<span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">initdb</span><span class="p">(</span><span class="n">rbac</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="n">session</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">Session</span><span class="p">()</span>
<span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">airflow.models.connection</span> <span class="k">import</span> <span class="n">Connection</span>
<span class="n">upgradedb</span><span class="p">()</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;airflow_db&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;mysql&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;mysql&#39;</span><span class="p">,</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;root&#39;</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;beeline_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;beeline&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">10000</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s2">&quot;{</span><span class="se">\&quot;</span><span class="s2">use_beeline</span><span class="se">\&quot;</span><span class="s2">: true, </span><span class="se">\&quot;</span><span class="s2">auth</span><span class="se">\&quot;</span><span class="s2">: </span><span class="se">\&quot;\&quot;</span><span class="s2">}&quot;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;default&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;bigquery_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;google_cloud_platform&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;default&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;local_mysql&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;mysql&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;presto_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;presto&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;hive&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">3400</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;google_cloud_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;google_cloud_platform&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;default&#39;</span><span class="p">,))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;hive_cli_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;hive_cli&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;default&#39;</span><span class="p">,))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;hiveserver2_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;hiveserver2&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;default&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">10000</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;metastore_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;hive_metastore&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s2">&quot;{</span><span class="se">\&quot;</span><span class="s2">authMechanism</span><span class="se">\&quot;</span><span class="s2">: </span><span class="se">\&quot;</span><span class="s2">PLAIN</span><span class="se">\&quot;</span><span class="s2">}&quot;</span><span class="p">,</span>
<span class="n">port</span><span class="o">=</span><span class="mi">9083</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;mongo_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;mongo&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;mongo&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">27017</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;mysql_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;mysql&#39;</span><span class="p">,</span>
<span class="n">login</span><span class="o">=</span><span class="s1">&#39;root&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;mysql&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;postgres_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;postgres&#39;</span><span class="p">,</span>
<span class="n">login</span><span class="o">=</span><span class="s1">&#39;postgres&#39;</span><span class="p">,</span>
<span class="n">password</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span>
<span class="n">schema</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;postgres&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;sqlite_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;sqlite&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;/tmp/sqlite_default.db&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;http_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;http&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;https://www.google.com/&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;mssql_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;mssql&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">1433</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;vertica_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;vertica&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">5433</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;wasb_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;wasb&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;sas_token&quot;: null}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;webhdfs_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;hdfs&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">50070</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;ssh_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;ssh&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;sftp_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;sftp&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">22</span><span class="p">,</span> <span class="n">login</span><span class="o">=</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;&#39;&#39;</span>
<span class="s1"> {&quot;key_file&quot;: &quot;~/.ssh/id_rsa&quot;, &quot;no_host_key_check&quot;: true}</span>
<span class="s1"> &#39;&#39;&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;fs_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;fs&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;path&quot;: &quot;/&quot;}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;aws_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;aws&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;region_name&quot;: &quot;us-east-1&quot;}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;spark_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;spark&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;yarn&#39;</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;queue&quot;: &quot;root.default&quot;}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;druid_broker_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;druid&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;druid-broker&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">8082</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;endpoint&quot;: &quot;druid/v2/sql&quot;}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;druid_ingest_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;druid&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;druid-overlord&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">8081</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;endpoint&quot;: &quot;druid/indexer/v1/task&quot;}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;redis_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;redis&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;redis&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">6379</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;db&quot;: 0}&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;sqoop_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;sqoop&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;rmdbs&#39;</span><span class="p">,</span> <span class="n">extra</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;emr_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;emr&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;&#39;&#39;</span>
<span class="s1"> { &quot;Name&quot;: &quot;default_job_flow_name&quot;,</span>
<span class="s1"> &quot;LogUri&quot;: &quot;s3://my-emr-log-bucket/default_job_flow_location&quot;,</span>
<span class="s1"> &quot;ReleaseLabel&quot;: &quot;emr-4.6.0&quot;,</span>
<span class="s1"> &quot;Instances&quot;: {</span>
<span class="s1"> &quot;Ec2KeyName&quot;: &quot;mykey&quot;,</span>
<span class="s1"> &quot;Ec2SubnetId&quot;: &quot;somesubnet&quot;,</span>
<span class="s1"> &quot;InstanceGroups&quot;: [</span>
<span class="s1"> {</span>
<span class="s1"> &quot;Name&quot;: &quot;Master nodes&quot;,</span>
<span class="s1"> &quot;Market&quot;: &quot;ON_DEMAND&quot;,</span>
<span class="s1"> &quot;InstanceRole&quot;: &quot;MASTER&quot;,</span>
<span class="s1"> &quot;InstanceType&quot;: &quot;r3.2xlarge&quot;,</span>
<span class="s1"> &quot;InstanceCount&quot;: 1</span>
<span class="s1"> },</span>
<span class="s1"> {</span>
<span class="s1"> &quot;Name&quot;: &quot;Slave nodes&quot;,</span>
<span class="s1"> &quot;Market&quot;: &quot;ON_DEMAND&quot;,</span>
<span class="s1"> &quot;InstanceRole&quot;: &quot;CORE&quot;,</span>
<span class="s1"> &quot;InstanceType&quot;: &quot;r3.2xlarge&quot;,</span>
<span class="s1"> &quot;InstanceCount&quot;: 1</span>
<span class="s1"> }</span>
<span class="s1"> ],</span>
<span class="s1"> &quot;TerminationProtected&quot;: false,</span>
<span class="s1"> &quot;KeepJobFlowAliveWhenNoSteps&quot;: false</span>
<span class="s1"> },</span>
<span class="s1"> &quot;Applications&quot;:[</span>
<span class="s1"> { &quot;Name&quot;: &quot;Spark&quot; }</span>
<span class="s1"> ],</span>
<span class="s1"> &quot;VisibleToAllUsers&quot;: true,</span>
<span class="s1"> &quot;JobFlowRole&quot;: &quot;EMR_EC2_DefaultRole&quot;,</span>
<span class="s1"> &quot;ServiceRole&quot;: &quot;EMR_DefaultRole&quot;,</span>
<span class="s1"> &quot;Tags&quot;: [</span>
<span class="s1"> {</span>
<span class="s1"> &quot;Key&quot;: &quot;app&quot;,</span>
<span class="s1"> &quot;Value&quot;: &quot;analytics&quot;</span>
<span class="s1"> },</span>
<span class="s1"> {</span>
<span class="s1"> &quot;Key&quot;: &quot;environment&quot;,</span>
<span class="s1"> &quot;Value&quot;: &quot;development&quot;</span>
<span class="s1"> }</span>
<span class="s1"> ]</span>
<span class="s1"> }</span>
<span class="s1"> &#39;&#39;&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;databricks_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;databricks&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;qubole_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;qubole&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;localhost&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;segment_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;segment&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;write_key&quot;: &quot;my-segment-write-key&quot;}&#39;</span><span class="p">)),</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;azure_data_lake_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;azure_data_lake&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;tenant&quot;: &quot;&lt;TENANT&gt;&quot;, &quot;account_name&quot;: &quot;&lt;ACCOUNTNAME&gt;&quot; }&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;azure_cosmos_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;azure_cosmos&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;database_name&quot;: &quot;&lt;DATABASE_NAME&gt;&quot;, &quot;collection_name&quot;: &quot;&lt;COLLECTION_NAME&gt;&quot; }&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;azure_container_instances_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;azure_container_instances&#39;</span><span class="p">,</span>
<span class="n">extra</span><span class="o">=</span><span class="s1">&#39;{&quot;tenantId&quot;: &quot;&lt;TENANT&gt;&quot;, &quot;subscriptionId&quot;: &quot;&lt;SUBSCRIPTION ID&gt;&quot; }&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;cassandra_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;cassandra&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;cassandra&#39;</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="mi">9042</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;dingding_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;http&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">))</span>
<span class="n">merge_conn</span><span class="p">(</span>
<span class="n">Connection</span><span class="p">(</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;opsgenie_default&#39;</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">&#39;http&#39;</span><span class="p">,</span>
<span class="n">host</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">))</span>
<span class="c1"># Known event types</span>
<span class="n">KET</span> <span class="o">=</span> <span class="n">models</span><span class="o">.</span><span class="n">KnownEventType</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">KET</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">KET</span><span class="o">.</span><span class="n">know_event_type</span> <span class="o">==</span> <span class="s1">&#39;Holiday&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">():</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">KET</span><span class="p">(</span><span class="n">know_event_type</span><span class="o">=</span><span class="s1">&#39;Holiday&#39;</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">KET</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">KET</span><span class="o">.</span><span class="n">know_event_type</span> <span class="o">==</span> <span class="s1">&#39;Outage&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">():</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">KET</span><span class="p">(</span><span class="n">know_event_type</span><span class="o">=</span><span class="s1">&#39;Outage&#39;</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">KET</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span>
<span class="n">KET</span><span class="o">.</span><span class="n">know_event_type</span> <span class="o">==</span> <span class="s1">&#39;Natural Disaster&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">():</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">KET</span><span class="p">(</span><span class="n">know_event_type</span><span class="o">=</span><span class="s1">&#39;Natural Disaster&#39;</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">KET</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span>
<span class="n">KET</span><span class="o">.</span><span class="n">know_event_type</span> <span class="o">==</span> <span class="s1">&#39;Marketing Campaign&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">():</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">KET</span><span class="p">(</span><span class="n">know_event_type</span><span class="o">=</span><span class="s1">&#39;Marketing Campaign&#39;</span><span class="p">))</span>
<span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="n">dagbag</span> <span class="o">=</span> <span class="n">models</span><span class="o">.</span><span class="n">DagBag</span><span class="p">()</span>
<span class="c1"># Save individual DAGs in the ORM</span>
<span class="k">for</span> <span class="n">dag</span> <span class="ow">in</span> <span class="n">dagbag</span><span class="o">.</span><span class="n">dags</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
<span class="n">dag</span><span class="o">.</span><span class="n">sync_to_db</span><span class="p">()</span>
<span class="c1"># Deactivate the unknown ones</span>
<span class="n">models</span><span class="o">.</span><span class="n">DAG</span><span class="o">.</span><span class="n">deactivate_unknown_dags</span><span class="p">(</span><span class="n">dagbag</span><span class="o">.</span><span class="n">dags</span><span class="o">.</span><span class="n">keys</span><span class="p">())</span>
<span class="n">Chart</span> <span class="o">=</span> <span class="n">models</span><span class="o">.</span><span class="n">Chart</span>
<span class="n">chart_label</span> <span class="o">=</span> <span class="s2">&quot;Airflow task instance by type&quot;</span>
<span class="n">chart</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">Chart</span><span class="p">)</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">Chart</span><span class="o">.</span><span class="n">label</span> <span class="o">==</span> <span class="n">chart_label</span><span class="p">)</span><span class="o">.</span><span class="n">first</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">chart</span><span class="p">:</span>
<span class="n">chart</span> <span class="o">=</span> <span class="n">Chart</span><span class="p">(</span>
<span class="n">label</span><span class="o">=</span><span class="n">chart_label</span><span class="p">,</span>
<span class="n">conn_id</span><span class="o">=</span><span class="s1">&#39;airflow_db&#39;</span><span class="p">,</span>
<span class="n">chart_type</span><span class="o">=</span><span class="s1">&#39;bar&#39;</span><span class="p">,</span>
<span class="n">x_is_date</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
<span class="n">sql</span><span class="o">=</span><span class="p">(</span>
<span class="s2">&quot;SELECT state, COUNT(1) as number &quot;</span>
<span class="s2">&quot;FROM task_instance &quot;</span>
<span class="s2">&quot;WHERE dag_id LIKE &#39;example%&#39; &quot;</span>
<span class="s2">&quot;GROUP BY state&quot;</span><span class="p">),</span>
<span class="p">)</span>
<span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">chart</span><span class="p">)</span>
<span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="k">if</span> <span class="n">rbac</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">flask_appbuilder.security.sqla</span> <span class="k">import</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">flask_appbuilder.models.sqla</span> <span class="k">import</span> <span class="n">Base</span>
<span class="n">Base</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">create_all</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">upgradedb</span><span class="p">():</span>
<span class="c1"># alembic adds significant import time, so we import it lazily</span>
<span class="kn">from</span> <span class="nn">alembic</span> <span class="k">import</span> <span class="n">command</span>
<span class="kn">from</span> <span class="nn">alembic.config</span> <span class="k">import</span> <span class="n">Config</span>
<span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">&quot;Creating tables&quot;</span><span class="p">)</span>
<span class="n">current_dir</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">dirname</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="vm">__file__</span><span class="p">))</span>
<span class="n">package_dir</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">normpath</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">current_dir</span><span class="p">,</span> <span class="s1">&#39;..&#39;</span><span class="p">))</span>
<span class="n">directory</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">join</span><span class="p">(</span><span class="n">package_dir</span><span class="p">,</span> <span class="s1">&#39;migrations&#39;</span><span class="p">)</span>
<span class="n">config</span> <span class="o">=</span> <span class="n">Config</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">package_dir</span><span class="p">,</span> <span class="s1">&#39;alembic.ini&#39;</span><span class="p">))</span>
<span class="n">config</span><span class="o">.</span><span class="n">set_main_option</span><span class="p">(</span><span class="s1">&#39;script_location&#39;</span><span class="p">,</span> <span class="n">directory</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%&#39;</span><span class="p">,</span> <span class="s1">&#39;</span><span class="si">%%</span><span class="s1">&#39;</span><span class="p">))</span>
<span class="n">config</span><span class="o">.</span><span class="n">set_main_option</span><span class="p">(</span><span class="s1">&#39;sqlalchemy.url&#39;</span><span class="p">,</span> <span class="n">settings</span><span class="o">.</span><span class="n">SQL_ALCHEMY_CONN</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;%&#39;</span><span class="p">,</span> <span class="s1">&#39;</span><span class="si">%%</span><span class="s1">&#39;</span><span class="p">))</span>
<span class="n">command</span><span class="o">.</span><span class="n">upgrade</span><span class="p">(</span><span class="n">config</span><span class="p">,</span> <span class="s1">&#39;heads&#39;</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">resetdb</span><span class="p">(</span><span class="n">rbac</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Clear out the database</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="kn">from</span> <span class="nn">airflow</span> <span class="k">import</span> <span class="n">models</span>
<span class="c1"># alembic adds significant import time, so we import it lazily</span>
<span class="kn">from</span> <span class="nn">alembic.migration</span> <span class="k">import</span> <span class="n">MigrationContext</span>
<span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">&quot;Dropping tables that exist&quot;</span><span class="p">)</span>
<span class="n">models</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">Base</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">drop_all</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span>
<span class="n">mc</span> <span class="o">=</span> <span class="n">MigrationContext</span><span class="o">.</span><span class="n">configure</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span>
<span class="k">if</span> <span class="n">mc</span><span class="o">.</span><span class="n">_version</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">):</span>
<span class="n">mc</span><span class="o">.</span><span class="n">_version</span><span class="o">.</span><span class="n">drop</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span>
<span class="k">if</span> <span class="n">rbac</span><span class="p">:</span>
<span class="c1"># drop rbac security tables</span>
<span class="kn">from</span> <span class="nn">flask_appbuilder.security.sqla</span> <span class="k">import</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">flask_appbuilder.models.sqla</span> <span class="k">import</span> <span class="n">Base</span>
<span class="n">Base</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">drop_all</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span>
<span class="n">initdb</span><span class="p">(</span><span class="n">rbac</span><span class="p">)</span>
</pre></div>
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