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Posted to commits@airflow.apache.org by cr...@apache.org on 2018/01/03 17:48:27 UTC
[27/35] incubator-airflow-site git commit: 1.9.0
http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/28a3eb60/_modules/airflow/contrib/operators/ecs_operator.html
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+ <h1>Source code for airflow.contrib.operators.ecs_operator</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
+<span class="c1"># you may not use this file except in compliance with the License.</span>
+<span class="c1"># 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, software</span>
+<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
+<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
+<span class="c1"># See the License for the specific language governing permissions and</span>
+<span class="c1"># limitations under the License.</span>
+<span class="kn">import</span> <span class="nn">sys</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.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils</span> <span class="k">import</span> <span class="n">apply_defaults</span>
+
+<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.aws_hook</span> <span class="k">import</span> <span class="n">AwsHook</span>
+
+
+<div class="viewcode-block" id="ECSOperator"><a class="viewcode-back" href="../../../../integration.html#airflow.contrib.operators.ecs_operator.ECSOperator">[docs]</a><span class="k">class</span> <span class="nc">ECSOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Execute a task on AWS EC2 Container Service</span>
+
+<span class="sd"> :param task_definition: the task definition name on EC2 Container Service</span>
+<span class="sd"> :type task_definition: str</span>
+<span class="sd"> :param cluster: the cluster name on EC2 Container Service</span>
+<span class="sd"> :type cluster: str</span>
+<span class="sd"> :param: overrides: the same parameter that boto3 will receive:</span>
+<span class="sd"> http://boto3.readthedocs.org/en/latest/reference/services/ecs.html#ECS.Client.run_task</span>
+<span class="sd"> :type: overrides: dict</span>
+<span class="sd"> :param aws_conn_id: connection id of AWS credentials / region name. If None,</span>
+<span class="sd"> credential boto3 strategy will be used (http://boto3.readthedocs.io/en/latest/guide/configuration.html).</span>
+<span class="sd"> :type aws_conn_id: str</span>
+<span class="sd"> :param region_name: region name to use in AWS Hook. Override the region_name in connection (if provided)</span>
+<span class="sd"> """</span>
+
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#f0ede4'</span>
+ <span class="n">client</span> <span class="o">=</span> <span class="kc">None</span>
+ <span class="n">arn</span> <span class="o">=</span> <span class="kc">None</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'overrides'</span><span class="p">,)</span>
+
+ <span class="nd">@apply_defaults</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">task_definition</span><span class="p">,</span> <span class="n">cluster</span><span class="p">,</span> <span class="n">overrides</span><span class="p">,</span>
+ <span class="n">aws_conn_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">region_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">ECSOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span> <span class="o">=</span> <span class="n">aws_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">region_name</span> <span class="o">=</span> <span class="n">region_name</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_definition</span> <span class="o">=</span> <span class="n">task_definition</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">cluster</span> <span class="o">=</span> <span class="n">cluster</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">overrides</span> <span class="o">=</span> <span class="n">overrides</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">hook</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_hook</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="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">'Running ECS Task - Task definition: </span><span class="si">%s</span><span class="s1"> - on cluster </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">task_definition</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster</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">'ECSOperator overrides: </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">overrides</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">client</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hook</span><span class="o">.</span><span class="n">get_client_type</span><span class="p">(</span>
+ <span class="s1">'ecs'</span><span class="p">,</span>
+ <span class="n">region_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">region_name</span>
+ <span class="p">)</span>
+
+ <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">run_task</span><span class="p">(</span>
+ <span class="n">cluster</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster</span><span class="p">,</span>
+ <span class="n">taskDefinition</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">task_definition</span><span class="p">,</span>
+ <span class="n">overrides</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">overrides</span><span class="p">,</span>
+ <span class="n">startedBy</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">owner</span>
+ <span class="p">)</span>
+
+ <span class="n">failures</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s1">'failures'</span><span class="p">]</span>
+ <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">failures</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="n">response</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">'ECS Task started: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="n">response</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">arn</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="s1">'tasks'</span><span class="p">][</span><span class="mi">0</span><span class="p">][</span><span class="s1">'taskArn'</span><span class="p">]</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">_wait_for_task_ended</span><span class="p">()</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">_check_success_task</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">'ECS Task has been successfully executed: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="n">response</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_wait_for_task_ended</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="n">waiter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">get_waiter</span><span class="p">(</span><span class="s1">'tasks_stopped'</span><span class="p">)</span>
+ <span class="n">waiter</span><span class="o">.</span><span class="n">config</span><span class="o">.</span><span class="n">max_attempts</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">maxsize</span> <span class="c1"># timeout is managed by airflow</span>
+ <span class="n">waiter</span><span class="o">.</span><span class="n">wait</span><span class="p">(</span>
+ <span class="n">cluster</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster</span><span class="p">,</span>
+ <span class="n">tasks</span><span class="o">=</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">arn</span><span class="p">]</span>
+ <span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">_check_success_task</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">describe_tasks</span><span class="p">(</span>
+ <span class="n">cluster</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster</span><span class="p">,</span>
+ <span class="n">tasks</span><span class="o">=</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">arn</span><span class="p">]</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">'ECS Task stopped, check status: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="n">response</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'failures'</span><span class="p">,</span> <span class="p">[]))</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="n">response</span><span class="p">)</span>
+
+ <span class="k">for</span> <span class="n">task</span> <span class="ow">in</span> <span class="n">response</span><span class="p">[</span><span class="s1">'tasks'</span><span class="p">]:</span>
+ <span class="n">containers</span> <span class="o">=</span> <span class="n">task</span><span class="p">[</span><span class="s1">'containers'</span><span class="p">]</span>
+ <span class="k">for</span> <span class="n">container</span> <span class="ow">in</span> <span class="n">containers</span><span class="p">:</span>
+ <span class="k">if</span> <span class="n">container</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'lastStatus'</span><span class="p">)</span> <span class="o">==</span> <span class="s1">'STOPPED'</span> <span class="ow">and</span> <span class="n">container</span><span class="p">[</span><span class="s1">'exitCode'</span><span class="p">]</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'This task is not in success state </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">task</span><span class="p">))</span>
+ <span class="k">elif</span> <span class="n">container</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'lastStatus'</span><span class="p">)</span> <span class="o">==</span> <span class="s1">'PENDING'</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'This task is still pending </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">task</span><span class="p">))</span>
+ <span class="k">elif</span> <span class="s1">'error'</span> <span class="ow">in</span> <span class="n">container</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'reason'</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">():</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'This containers encounter an error during launching : </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span>
+ <span class="nb">format</span><span class="p">(</span><span class="n">container</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'reason'</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()))</span>
+
+ <span class="k">def</span> <span class="nf">get_hook</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">return</span> <span class="n">AwsHook</span><span class="p">(</span>
+ <span class="n">aws_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span>
+ <span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">on_kill</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">stop_task</span><span class="p">(</span>
+ <span class="n">cluster</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">cluster</span><span class="p">,</span>
+ <span class="n">task</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">arn</span><span class="p">,</span>
+ <span class="n">reason</span><span class="o">=</span><span class="s1">'Task killed by the user'</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="n">response</span><span class="p">)</span></div>
+</pre></div>
+
+ </div>
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+
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+
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+ <hr/>
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+ <h1>Source code for airflow.contrib.operators.emr_add_steps_operator</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
+<span class="c1"># you may not use this file except in compliance with the License.</span>
+<span class="c1"># 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, software</span>
+<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
+<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
+<span class="c1"># See the License for the specific language governing permissions and</span>
+<span class="c1"># limitations under the License.</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils</span> <span class="k">import</span> <span class="n">apply_defaults</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.contrib.hooks.emr_hook</span> <span class="k">import</span> <span class="n">EmrHook</span>
+
+
+<div class="viewcode-block" id="EmrAddStepsOperator"><a class="viewcode-back" href="../../../../integration.html#airflow.contrib.operators.emr_add_steps_operator.EmrAddStepsOperator">[docs]</a><span class="k">class</span> <span class="nc">EmrAddStepsOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> An operator that adds steps to an existing EMR job_flow.</span>
+
+<span class="sd"> :param job_flow_id: id of the JobFlow to add steps to</span>
+<span class="sd"> :type job_flow_name: str</span>
+<span class="sd"> :param aws_conn_id: aws connection to uses</span>
+<span class="sd"> :type aws_conn_id: str</span>
+<span class="sd"> :param steps: boto3 style steps to be added to the jobflow</span>
+<span class="sd"> :type steps: list</span>
+<span class="sd"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'job_flow_id'</span><span class="p">]</span>
+ <span class="n">template_ext</span> <span class="o">=</span> <span class="p">()</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#f9c915'</span>
+
+ <span class="nd">@apply_defaults</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">job_flow_id</span><span class="p">,</span>
+ <span class="n">aws_conn_id</span><span class="o">=</span><span class="s1">'s3_default'</span><span class="p">,</span>
+ <span class="n">steps</span><span class="o">=</span><span class="kc">None</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="nb">super</span><span class="p">(</span><span class="n">EmrAddStepsOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="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">steps</span> <span class="o">=</span> <span class="n">steps</span> <span class="ow">or</span> <span class="p">[]</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">job_flow_id</span> <span class="o">=</span> <span class="n">job_flow_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span> <span class="o">=</span> <span class="n">aws_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">steps</span> <span class="o">=</span> <span class="n">steps</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">emr</span> <span class="o">=</span> <span class="n">EmrHook</span><span class="p">(</span><span class="n">aws_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span><span class="p">)</span><span class="o">.</span><span class="n">get_conn</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">'Adding steps to </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">job_flow_id</span><span class="p">)</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="n">emr</span><span class="o">.</span><span class="n">add_job_flow_steps</span><span class="p">(</span><span class="n">JobFlowId</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">job_flow_id</span><span class="p">,</span> <span class="n">Steps</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">steps</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">response</span><span class="p">[</span><span class="s1">'ResponseMetadata'</span><span class="p">][</span><span class="s1">'HTTPStatusCode'</span><span class="p">]</span> <span class="o">==</span> <span class="mi">200</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'Adding steps failed: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">response</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="s1">'Steps </span><span class="si">%s</span><span class="s1"> added to JobFlow'</span><span class="p">,</span> <span class="n">response</span><span class="p">[</span><span class="s1">'StepIds'</span><span class="p">])</span>
+ <span class="k">return</span> <span class="n">response</span><span class="p">[</span><span class="s1">'StepIds'</span><span class="p">]</span></div>
+</pre></div>
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+ <h1>Source code for airflow.contrib.operators.emr_create_job_flow_operator</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
+<span class="c1"># you may not use this file except in compliance with the License.</span>
+<span class="c1"># 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, software</span>
+<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
+<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
+<span class="c1"># See the License for the specific language governing permissions and</span>
+<span class="c1"># limitations under the License.</span>
+<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.emr_hook</span> <span class="k">import</span> <span class="n">EmrHook</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils</span> <span class="k">import</span> <span class="n">apply_defaults</span>
+<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
+
+
+<div class="viewcode-block" id="EmrCreateJobFlowOperator"><a class="viewcode-back" href="../../../../integration.html#airflow.contrib.operators.emr_create_job_flow_operator.EmrCreateJobFlowOperator">[docs]</a><span class="k">class</span> <span class="nc">EmrCreateJobFlowOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Creates an EMR JobFlow, reading the config from the EMR connection.</span>
+<span class="sd"> A dictionary of JobFlow overrides can be passed that override the config from the connection.</span>
+
+<span class="sd"> :param aws_conn_id: aws connection to uses</span>
+<span class="sd"> :type aws_conn_id: str</span>
+<span class="sd"> :param emr_conn_id: emr connection to use</span>
+<span class="sd"> :type emr_conn_id: str</span>
+<span class="sd"> :param job_flow_overrides: boto3 style arguments to override emr_connection extra</span>
+<span class="sd"> :type steps: dict</span>
+<span class="sd"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[]</span>
+ <span class="n">template_ext</span> <span class="o">=</span> <span class="p">()</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#f9c915'</span>
+
+ <span class="nd">@apply_defaults</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">aws_conn_id</span><span class="o">=</span><span class="s1">'s3_default'</span><span class="p">,</span>
+ <span class="n">emr_conn_id</span><span class="o">=</span><span class="s1">'emr_default'</span><span class="p">,</span>
+ <span class="n">job_flow_overrides</span><span class="o">=</span><span class="kc">None</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="nb">super</span><span class="p">(</span><span class="n">EmrCreateJobFlowOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="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="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span> <span class="o">=</span> <span class="n">aws_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">emr_conn_id</span> <span class="o">=</span> <span class="n">emr_conn_id</span>
+ <span class="k">if</span> <span class="n">job_flow_overrides</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+ <span class="n">job_flow_overrides</span> <span class="o">=</span> <span class="p">{}</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">job_flow_overrides</span> <span class="o">=</span> <span class="n">job_flow_overrides</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">emr</span> <span class="o">=</span> <span class="n">EmrHook</span><span class="p">(</span><span class="n">aws_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span><span class="p">,</span> <span class="n">emr_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">emr_conn_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="s1">'Creating JobFlow using aws-conn-id: </span><span class="si">%s</span><span class="s1">, emr-conn-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">aws_conn_id</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">emr_conn_id</span>
+ <span class="p">)</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="n">emr</span><span class="o">.</span><span class="n">create_job_flow</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">job_flow_overrides</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">response</span><span class="p">[</span><span class="s1">'ResponseMetadata'</span><span class="p">][</span><span class="s1">'HTTPStatusCode'</span><span class="p">]</span> <span class="o">==</span> <span class="mi">200</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'JobFlow creation failed: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">response</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="s1">'JobFlow with id </span><span class="si">%s</span><span class="s1"> created'</span><span class="p">,</span> <span class="n">response</span><span class="p">[</span><span class="s1">'JobFlowId'</span><span class="p">])</span>
+ <span class="k">return</span> <span class="n">response</span><span class="p">[</span><span class="s1">'JobFlowId'</span><span class="p">]</span></div>
+</pre></div>
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----------------------------------------------------------------------
diff --git a/_modules/airflow/contrib/operators/emr_terminate_job_flow_operator.html b/_modules/airflow/contrib/operators/emr_terminate_job_flow_operator.html
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@@ -0,0 +1,285 @@
+
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+
+ <h1>Source code for airflow.contrib.operators.emr_terminate_job_flow_operator</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
+<span class="c1"># you may not use this file except in compliance with the License.</span>
+<span class="c1"># 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, software</span>
+<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
+<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
+<span class="c1"># See the License for the specific language governing permissions and</span>
+<span class="c1"># limitations under the License.</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils</span> <span class="k">import</span> <span class="n">apply_defaults</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.contrib.hooks.emr_hook</span> <span class="k">import</span> <span class="n">EmrHook</span>
+
+
+<div class="viewcode-block" id="EmrTerminateJobFlowOperator"><a class="viewcode-back" href="../../../../integration.html#airflow.contrib.operators.emr_terminate_job_flow_operator.EmrTerminateJobFlowOperator">[docs]</a><span class="k">class</span> <span class="nc">EmrTerminateJobFlowOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Operator to terminate EMR JobFlows.</span>
+
+<span class="sd"> :param job_flow_id: id of the JobFlow to terminate</span>
+<span class="sd"> :type job_flow_name: str</span>
+<span class="sd"> :param aws_conn_id: aws connection to uses</span>
+<span class="sd"> :type aws_conn_id: str</span>
+<span class="sd"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'job_flow_id'</span><span class="p">]</span>
+ <span class="n">template_ext</span> <span class="o">=</span> <span class="p">()</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#f9c915'</span>
+
+ <span class="nd">@apply_defaults</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">job_flow_id</span><span class="p">,</span>
+ <span class="n">aws_conn_id</span><span class="o">=</span><span class="s1">'s3_default'</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="nb">super</span><span class="p">(</span><span class="n">EmrTerminateJobFlowOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="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="bp">self</span><span class="o">.</span><span class="n">job_flow_id</span> <span class="o">=</span> <span class="n">job_flow_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span> <span class="o">=</span> <span class="n">aws_conn_id</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">emr</span> <span class="o">=</span> <span class="n">EmrHook</span><span class="p">(</span><span class="n">aws_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">aws_conn_id</span><span class="p">)</span><span class="o">.</span><span class="n">get_conn</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">'Terminating JobFlow </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">job_flow_id</span><span class="p">)</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="n">emr</span><span class="o">.</span><span class="n">terminate_job_flows</span><span class="p">(</span><span class="n">JobFlowIds</span><span class="o">=</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">job_flow_id</span><span class="p">])</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">response</span><span class="p">[</span><span class="s1">'ResponseMetadata'</span><span class="p">][</span><span class="s1">'HTTPStatusCode'</span><span class="p">]</span> <span class="o">==</span> <span class="mi">200</span><span class="p">:</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">'JobFlow termination failed: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">response</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="s1">'JobFlow with id </span><span class="si">%s</span><span class="s1"> terminated'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">job_flow_id</span><span class="p">)</span></div>
+</pre></div>
+
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http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/28a3eb60/_modules/airflow/contrib/operators/file_to_wasb.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/contrib/operators/file_to_wasb.html b/_modules/airflow/contrib/operators/file_to_wasb.html
new file mode 100644
index 0000000..0c67052
--- /dev/null
+++ b/_modules/airflow/contrib/operators/file_to_wasb.html
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+ <h1>Source code for airflow.contrib.operators.file_to_wasb</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
+<span class="c1"># you may not use this file except in compliance with the License.</span>
+<span class="c1"># 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, software</span>
+<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
+<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
+<span class="c1"># See the License for the specific language governing permissions and</span>
+<span class="c1"># limitations under the License.</span>
+<span class="c1">#</span>
+<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.wasb_hook</span> <span class="k">import</span> <span class="n">WasbHook</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="k">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="k">import</span> <span class="n">apply_defaults</span>
+
+
+<div class="viewcode-block" id="FileToWasbOperator"><a class="viewcode-back" href="../../../../integration.html#airflow.contrib.operators.file_to_wasb.FileToWasbOperator">[docs]</a><span class="k">class</span> <span class="nc">FileToWasbOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Uploads a file to Azure Blob Storage.</span>
+
+<span class="sd"> :param file_path: Path to the file to load.</span>
+<span class="sd"> :type file_path: str</span>
+<span class="sd"> :param container_name: Name of the container.</span>
+<span class="sd"> :type container_name: str</span>
+<span class="sd"> :param blob_name: Name of the blob.</span>
+<span class="sd"> :type blob_name: str</span>
+<span class="sd"> :param wasb_conn_id: Reference to the wasb connection.</span>
+<span class="sd"> :type wasb_conn_id: str</span>
+<span class="sd"> :param load_options: Optional keyword arguments that</span>
+<span class="sd"> `WasbHook.load_file()` takes.</span>
+<span class="sd"> :type load_options: dict</span>
+<span class="sd"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'file_path'</span><span class="p">,</span> <span class="s1">'container_name'</span><span class="p">,</span> <span class="s1">'blob_name'</span><span class="p">)</span>
+
+ <span class="nd">@apply_defaults</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">file_path</span><span class="p">,</span> <span class="n">container_name</span><span class="p">,</span> <span class="n">blob_name</span><span class="p">,</span>
+ <span class="n">wasb_conn_id</span><span class="o">=</span><span class="s1">'wasb_default'</span><span class="p">,</span> <span class="n">load_options</span><span class="o">=</span><span class="kc">None</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="nb">super</span><span class="p">(</span><span class="n">FileToWasbOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="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">if</span> <span class="n">load_options</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+ <span class="n">load_options</span> <span class="o">=</span> <span class="p">{}</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">file_path</span> <span class="o">=</span> <span class="n">file_path</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">container_name</span> <span class="o">=</span> <span class="n">container_name</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">blob_name</span> <span class="o">=</span> <span class="n">blob_name</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">wasb_conn_id</span> <span class="o">=</span> <span class="n">wasb_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">load_options</span> <span class="o">=</span> <span class="n">load_options</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="sd">"""Upload a file to Azure Blob Storage."""</span>
+ <span class="n">hook</span> <span class="o">=</span> <span class="n">WasbHook</span><span class="p">(</span><span class="n">wasb_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">wasb_conn_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="s1">'Uploading </span><span class="si">{self.file_path}</span><span class="s1"> to wasb://</span><span class="si">{self.container_name}</span><span class="s1"> as </span><span class="si">{self.blob_name}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="o">**</span><span class="nb">locals</span><span class="p">())</span>
+ <span class="p">)</span>
+ <span class="n">hook</span><span class="o">.</span><span class="n">load_file</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">file_path</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">container_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">blob_name</span><span class="p">,</span> <span class="o">**</span><span class="bp">self</span><span class="o">.</span><span class="n">load_options</span><span class="p">)</span></div>
+</pre></div>
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