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Posted to commits@airflow.apache.org by ma...@apache.org on 2016/06/29 16:15:27 UTC
[6/6] incubator-airflow-site git commit: Adding incubator related
disclaimer
Adding incubator related disclaimer
Project: http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/commit/502934ca
Tree: http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/tree/502934ca
Diff: http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/diff/502934ca
Branch: refs/heads/asf-site
Commit: 502934ca871cea1ba853467bcdc505948bc73173
Parents: 1bb5481
Author: Maxime Beauchemin <ma...@apache.org>
Authored: Wed Jun 29 09:14:36 2016 -0700
Committer: Maxime Beauchemin <ma...@apache.org>
Committed: Wed Jun 29 09:15:01 2016 -0700
----------------------------------------------------------------------
.../contrib/executors/mesos_executor.html | 470 +++++++++
_modules/airflow/contrib/hooks/gcs_hook.html | 284 ++++++
.../contrib/operators/bigquery_operator.html | 258 +++++
.../contrib/operators/bigquery_to_gcs.html | 278 ++++++
.../operators/gcs_download_operator.html | 253 +++++
_modules/airflow/models.html | 20 +-
_modules/bigquery_hook.html | 995 +++++++++++++++++++
_modules/gcs_hook.html | 17 +-
_modules/index.html | 7 +
_modules/qubole_operator.html | 328 ++++++
_sources/code.txt | 13 +-
_sources/concepts.txt | 1 +
_sources/index.txt | 15 +-
cli.html | 83 +-
code.html | 372 ++++++-
concepts.html | 14 +
genindex.html | 91 +-
index.html | 17 +-
objects.inv | Bin 2103 -> 2236 bytes
py-modindex.html | 5 -
searchindex.js | 2 +-
21 files changed, 3446 insertions(+), 77 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/502934ca/_modules/airflow/contrib/executors/mesos_executor.html
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diff --git a/_modules/airflow/contrib/executors/mesos_executor.html b/_modules/airflow/contrib/executors/mesos_executor.html
new file mode 100644
index 0000000..65557d9
--- /dev/null
+++ b/_modules/airflow/contrib/executors/mesos_executor.html
@@ -0,0 +1,470 @@
+
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+<!DOCTYPE html>
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+ <h1>Source code for airflow.contrib.executors.mesos_executor</h1><div class="highlight"><pre>
+<span></span><span class="kn">from</span> <span class="nn">future</span> <span class="kn">import</span> <span class="n">standard_library</span>
+<span class="n">standard_library</span><span class="o">.</span><span class="n">install_aliases</span><span class="p">()</span>
+<span class="kn">from</span> <span class="nn">builtins</span> <span class="kn">import</span> <span class="nb">str</span>
+<span class="kn">import</span> <span class="nn">logging</span>
+<span class="kn">from</span> <span class="nn">queue</span> <span class="kn">import</span> <span class="n">Queue</span>
+
+<span class="kn">import</span> <span class="nn">mesos.interface</span>
+<span class="kn">from</span> <span class="nn">mesos.interface</span> <span class="kn">import</span> <span class="n">mesos_pb2</span>
+<span class="kn">import</span> <span class="nn">mesos.native</span>
+
+<span class="kn">from</span> <span class="nn">airflow</span> <span class="kn">import</span> <span class="n">configuration</span>
+<span class="kn">from</span> <span class="nn">airflow.executors.base_executor</span> <span class="kn">import</span> <span class="n">BaseExecutor</span>
+<span class="kn">from</span> <span class="nn">airflow.settings</span> <span class="kn">import</span> <span class="n">Session</span>
+<span class="kn">from</span> <span class="nn">airflow.utils.state</span> <span class="kn">import</span> <span class="n">State</span>
+<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="kn">import</span> <span class="n">AirflowException</span>
+
+
+<span class="n">DEFAULT_FRAMEWORK_NAME</span> <span class="o">=</span> <span class="s1">'Airflow'</span>
+<span class="n">FRAMEWORK_CONNID_PREFIX</span> <span class="o">=</span> <span class="s1">'mesos_framework_'</span>
+
+
+<span class="k">def</span> <span class="nf">get_framework_name</span><span class="p">():</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'FRAMEWORK_NAME'</span><span class="p">):</span>
+ <span class="k">return</span> <span class="n">DEFAULT_FRAMEWORK_NAME</span>
+ <span class="k">return</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'FRAMEWORK_NAME'</span><span class="p">)</span>
+
+
+<span class="c1"># AirflowMesosScheduler, implements Mesos Scheduler interface</span>
+<span class="c1"># To schedule airflow jobs on mesos</span>
+<span class="k">class</span> <span class="nc">AirflowMesosScheduler</span><span class="p">(</span><span class="n">mesos</span><span class="o">.</span><span class="n">interface</span><span class="o">.</span><span class="n">Scheduler</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Airflow Mesos scheduler implements mesos scheduler interface</span>
+<span class="sd"> to schedule airflow tasks on mesos.</span>
+<span class="sd"> Basically, it schedules a command like</span>
+<span class="sd"> 'airflow run <dag_id> <task_instance_id> <start_date> --local -p=<pickle>'</span>
+<span class="sd"> to run on a mesos slave.</span>
+<span class="sd"> """</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_queue</span><span class="p">,</span>
+ <span class="n">result_queue</span><span class="p">,</span>
+ <span class="n">task_cpu</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
+ <span class="n">task_mem</span><span class="o">=</span><span class="mi">256</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span> <span class="o">=</span> <span class="n">task_queue</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span> <span class="o">=</span> <span class="n">result_queue</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_cpu</span> <span class="o">=</span> <span class="n">task_cpu</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_mem</span> <span class="o">=</span> <span class="n">task_mem</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_counter</span> <span class="o">=</span> <span class="mi">0</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_key_map</span> <span class="o">=</span> <span class="p">{}</span>
+
+ <span class="k">def</span> <span class="nf">registered</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">frameworkId</span><span class="p">,</span> <span class="n">masterInfo</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"AirflowScheduler registered to mesos with framework ID </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">frameworkId</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getboolean</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'CHECKPOINT'</span><span class="p">)</span> <span class="ow">and</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'FAILOVER_TIMEOUT'</span><span class="p">):</span>
+ <span class="c1"># Import here to work around a circular import error</span>
+ <span class="kn">from</span> <span class="nn">airflow.models</span> <span class="kn">import</span> <span class="n">Connection</span>
+
+ <span class="c1"># Update the Framework ID in the database.</span>
+ <span class="n">session</span> <span class="o">=</span> <span class="n">Session</span><span class="p">()</span>
+ <span class="n">conn_id</span> <span class="o">=</span> <span class="n">FRAMEWORK_CONNID_PREFIX</span> <span class="o">+</span> <span class="n">get_framework_name</span><span class="p">()</span>
+ <span class="n">connection</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">Connection</span><span class="p">)</span><span class="o">.</span><span class="n">filter_by</span><span class="p">(</span><span class="n">conn_id</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="k">if</span> <span class="n">connection</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
+ <span class="n">connection</span> <span class="o">=</span> <span class="n">Connection</span><span class="p">(</span><span class="n">conn_id</span><span class="o">=</span><span class="n">conn_id</span><span class="p">,</span> <span class="n">conn_type</span><span class="o">=</span><span class="s1">'mesos_framework-id'</span><span class="p">,</span>
+ <span class="n">extra</span><span class="o">=</span><span class="n">frameworkId</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">connection</span><span class="o">.</span><span class="n">extra</span> <span class="o">=</span> <span class="n">frameworkId</span><span class="o">.</span><span class="n">value</span>
+
+ <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">connection</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">Session</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">reregistered</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">masterInfo</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"AirflowScheduler re-registered to mesos"</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">disconnected</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"AirflowScheduler disconnected from mesos"</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">offerRescinded</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">offerId</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"AirflowScheduler offer </span><span class="si">%s</span><span class="s2"> rescinded"</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">offerId</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">frameworkMessage</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">executorId</span><span class="p">,</span> <span class="n">slaveId</span><span class="p">,</span> <span class="n">message</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"AirflowScheduler received framework message </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">message</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">executorLost</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">executorId</span><span class="p">,</span> <span class="n">slaveId</span><span class="p">,</span> <span class="n">status</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">warning</span><span class="p">(</span><span class="s2">"AirflowScheduler executor </span><span class="si">%s</span><span class="s2"> lost"</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">executorId</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">slaveLost</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">slaveId</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">warning</span><span class="p">(</span><span class="s2">"AirflowScheduler slave </span><span class="si">%s</span><span class="s2"> lost"</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">slaveId</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">error</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">message</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"AirflowScheduler driver aborted </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">message</span><span class="p">)</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"AirflowScheduler driver aborted </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">message</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">resourceOffers</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">offers</span><span class="p">):</span>
+ <span class="k">for</span> <span class="n">offer</span> <span class="ow">in</span> <span class="n">offers</span><span class="p">:</span>
+ <span class="n">tasks</span> <span class="o">=</span> <span class="p">[]</span>
+ <span class="n">offerCpus</span> <span class="o">=</span> <span class="mi">0</span>
+ <span class="n">offerMem</span> <span class="o">=</span> <span class="mi">0</span>
+ <span class="k">for</span> <span class="n">resource</span> <span class="ow">in</span> <span class="n">offer</span><span class="o">.</span><span class="n">resources</span><span class="p">:</span>
+ <span class="k">if</span> <span class="n">resource</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s2">"cpus"</span><span class="p">:</span>
+ <span class="n">offerCpus</span> <span class="o">+=</span> <span class="n">resource</span><span class="o">.</span><span class="n">scalar</span><span class="o">.</span><span class="n">value</span>
+ <span class="k">elif</span> <span class="n">resource</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s2">"mem"</span><span class="p">:</span>
+ <span class="n">offerMem</span> <span class="o">+=</span> <span class="n">resource</span><span class="o">.</span><span class="n">scalar</span><span class="o">.</span><span class="n">value</span>
+
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Received offer </span><span class="si">%s</span><span class="s2"> with cpus: </span><span class="si">%s</span><span class="s2"> and mem: </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">offer</span><span class="o">.</span><span class="n">id</span><span class="o">.</span><span class="n">value</span><span class="p">,</span> <span class="n">offerCpus</span><span class="p">,</span> <span class="n">offerMem</span><span class="p">)</span>
+
+ <span class="n">remainingCpus</span> <span class="o">=</span> <span class="n">offerCpus</span>
+ <span class="n">remainingMem</span> <span class="o">=</span> <span class="n">offerMem</span>
+
+ <span class="k">while</span> <span class="p">(</span><span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">empty</span><span class="p">())</span> <span class="ow">and</span> \
+ <span class="n">remainingCpus</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_cpu</span> <span class="ow">and</span> \
+ <span class="n">remainingMem</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_mem</span><span class="p">:</span>
+ <span class="n">key</span><span class="p">,</span> <span class="n">cmd</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">get</span><span class="p">()</span>
+ <span class="n">tid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_counter</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_counter</span> <span class="o">+=</span> <span class="mi">1</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_key_map</span><span class="p">[</span><span class="nb">str</span><span class="p">(</span><span class="n">tid</span><span class="p">)]</span> <span class="o">=</span> <span class="n">key</span>
+
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Launching task </span><span class="si">%d</span><span class="s2"> using offer </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">tid</span><span class="p">,</span> <span class="n">offer</span><span class="o">.</span><span class="n">id</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
+
+ <span class="n">task</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TaskInfo</span><span class="p">()</span>
+ <span class="n">task</span><span class="o">.</span><span class="n">task_id</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">tid</span><span class="p">)</span>
+ <span class="n">task</span><span class="o">.</span><span class="n">slave_id</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">offer</span><span class="o">.</span><span class="n">slave_id</span><span class="o">.</span><span class="n">value</span>
+ <span class="n">task</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">"AirflowTask </span><span class="si">%d</span><span class="s2">"</span> <span class="o">%</span> <span class="n">tid</span>
+
+ <span class="n">cpus</span> <span class="o">=</span> <span class="n">task</span><span class="o">.</span><span class="n">resources</span><span class="o">.</span><span class="n">add</span><span class="p">()</span>
+ <span class="n">cpus</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">"cpus"</span>
+ <span class="n">cpus</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">Value</span><span class="o">.</span><span class="n">SCALAR</span>
+ <span class="n">cpus</span><span class="o">.</span><span class="n">scalar</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_cpu</span>
+
+ <span class="n">mem</span> <span class="o">=</span> <span class="n">task</span><span class="o">.</span><span class="n">resources</span><span class="o">.</span><span class="n">add</span><span class="p">()</span>
+ <span class="n">mem</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">"mem"</span>
+ <span class="n">mem</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">Value</span><span class="o">.</span><span class="n">SCALAR</span>
+ <span class="n">mem</span><span class="o">.</span><span class="n">scalar</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_mem</span>
+
+ <span class="n">command</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">CommandInfo</span><span class="p">()</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">shell</span> <span class="o">=</span> <span class="bp">True</span>
+ <span class="n">command</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">cmd</span>
+ <span class="n">task</span><span class="o">.</span><span class="n">command</span><span class="o">.</span><span class="n">MergeFrom</span><span class="p">(</span><span class="n">command</span><span class="p">)</span>
+
+ <span class="n">tasks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">task</span><span class="p">)</span>
+
+ <span class="n">remainingCpus</span> <span class="o">-=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_cpu</span>
+ <span class="n">remainingMem</span> <span class="o">-=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_mem</span>
+
+ <span class="n">driver</span><span class="o">.</span><span class="n">launchTasks</span><span class="p">(</span><span class="n">offer</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="n">tasks</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">statusUpdate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">driver</span><span class="p">,</span> <span class="n">update</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"Task </span><span class="si">%s</span><span class="s2"> is in state </span><span class="si">%s</span><span class="s2">, data </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span>
+ <span class="n">update</span><span class="o">.</span><span class="n">task_id</span><span class="o">.</span><span class="n">value</span><span class="p">,</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TaskState</span><span class="o">.</span><span class="n">Name</span><span class="p">(</span><span class="n">update</span><span class="o">.</span><span class="n">state</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">update</span><span class="o">.</span><span class="n">data</span><span class="p">))</span>
+
+ <span class="k">try</span><span class="p">:</span>
+ <span class="n">key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">task_key_map</span><span class="p">[</span><span class="n">update</span><span class="o">.</span><span class="n">task_id</span><span class="o">.</span><span class="n">value</span><span class="p">]</span>
+ <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
+ <span class="c1"># The map may not contain an item if the framework re-registered after a failover.</span>
+ <span class="c1"># Discard these tasks.</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">"Unrecognised task key </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">update</span><span class="o">.</span><span class="n">task_id</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
+ <span class="k">return</span>
+
+ <span class="k">if</span> <span class="n">update</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TASK_FINISHED</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="o">.</span><span class="n">put</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">State</span><span class="o">.</span><span class="n">SUCCESS</span><span class="p">))</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">task_done</span><span class="p">()</span>
+
+ <span class="k">if</span> <span class="n">update</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TASK_LOST</span> <span class="ow">or</span> \
+ <span class="n">update</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TASK_KILLED</span> <span class="ow">or</span> \
+ <span class="n">update</span><span class="o">.</span><span class="n">state</span> <span class="o">==</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">TASK_FAILED</span><span class="p">:</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="o">.</span><span class="n">put</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">State</span><span class="o">.</span><span class="n">FAILED</span><span class="p">))</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">task_done</span><span class="p">()</span>
+
+
+<div class="viewcode-block" id="MesosExecutor"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.executors.mesos_executor.MesosExecutor">[docs]</a><span class="k">class</span> <span class="nc">MesosExecutor</span><span class="p">(</span><span class="n">BaseExecutor</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> MesosExecutor allows distributing the execution of task</span>
+<span class="sd"> instances to multiple mesos workers.</span>
+
+<span class="sd"> Apache Mesos is a distributed systems kernel which abstracts</span>
+<span class="sd"> CPU, memory, storage, and other compute resources away from</span>
+<span class="sd"> machines (physical or virtual), enabling fault-tolerant and</span>
+<span class="sd"> elastic distributed systems to easily be built and run effectively.</span>
+<span class="sd"> See http://mesos.apache.org/</span>
+<span class="sd"> """</span>
+
+ <span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span> <span class="o">=</span> <span class="n">Queue</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span> <span class="o">=</span> <span class="n">Queue</span><span class="p">()</span>
+ <span class="n">framework</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">FrameworkInfo</span><span class="p">()</span>
+ <span class="n">framework</span><span class="o">.</span><span class="n">user</span> <span class="o">=</span> <span class="s1">''</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'MASTER'</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Expecting mesos master URL for mesos executor"</span><span class="p">)</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"mesos.master not provided for mesos executor"</span><span class="p">)</span>
+
+ <span class="n">master</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'MASTER'</span><span class="p">)</span>
+
+ <span class="n">framework</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">get_framework_name</span><span class="p">()</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'TASK_CPU'</span><span class="p">):</span>
+ <span class="n">task_cpu</span> <span class="o">=</span> <span class="mi">1</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">task_cpu</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getint</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'TASK_CPU'</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'TASK_MEMORY'</span><span class="p">):</span>
+ <span class="n">task_memory</span> <span class="o">=</span> <span class="mi">256</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">task_memory</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getint</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'TASK_MEMORY'</span><span class="p">)</span>
+
+ <span class="k">if</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getboolean</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'CHECKPOINT'</span><span class="p">):</span>
+ <span class="n">framework</span><span class="o">.</span><span class="n">checkpoint</span> <span class="o">=</span> <span class="bp">True</span>
+
+ <span class="k">if</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'FAILOVER_TIMEOUT'</span><span class="p">):</span>
+ <span class="c1"># Import here to work around a circular import error</span>
+ <span class="kn">from</span> <span class="nn">airflow.models</span> <span class="kn">import</span> <span class="n">Connection</span>
+
+ <span class="c1"># Query the database to get the ID of the Mesos Framework, if available.</span>
+ <span class="n">conn_id</span> <span class="o">=</span> <span class="n">FRAMEWORK_CONNID_PREFIX</span> <span class="o">+</span> <span class="n">framework</span><span class="o">.</span><span class="n">name</span>
+ <span class="n">session</span> <span class="o">=</span> <span class="n">Session</span><span class="p">()</span>
+ <span class="n">connection</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">Connection</span><span class="p">)</span><span class="o">.</span><span class="n">filter_by</span><span class="p">(</span><span class="n">conn_id</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="k">if</span> <span class="n">connection</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
+ <span class="c1"># Set the Framework ID to let the scheduler reconnect with running tasks.</span>
+ <span class="n">framework</span><span class="o">.</span><span class="n">id</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">connection</span><span class="o">.</span><span class="n">extra</span>
+
+ <span class="n">framework</span><span class="o">.</span><span class="n">failover_timeout</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getint</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'FAILOVER_TIMEOUT'</span><span class="p">)</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">framework</span><span class="o">.</span><span class="n">checkpoint</span> <span class="o">=</span> <span class="bp">False</span>
+
+ <span class="n">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'MesosFramework master : </span><span class="si">%s</span><span class="s1">, name : </span><span class="si">%s</span><span class="s1">, cpu : </span><span class="si">%s</span><span class="s1">, mem : </span><span class="si">%s</span><span class="s1">, checkpoint : </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span>
+ <span class="n">master</span><span class="p">,</span> <span class="n">framework</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">task_cpu</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">task_memory</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">framework</span><span class="o">.</span><span class="n">checkpoint</span><span class="p">))</span>
+
+ <span class="n">implicit_acknowledgements</span> <span class="o">=</span> <span class="mi">1</span>
+
+ <span class="k">if</span> <span class="n">configuration</span><span class="o">.</span><span class="n">getboolean</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'AUTHENTICATE'</span><span class="p">):</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'DEFAULT_PRINCIPAL'</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Expecting authentication principal in the environment"</span><span class="p">)</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"mesos.default_principal not provided in authenticated mode"</span><span class="p">)</span>
+ <span class="k">if</span> <span class="ow">not</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'DEFAULT_SECRET'</span><span class="p">):</span>
+ <span class="n">logging</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Expecting authentication secret in the environment"</span><span class="p">)</span>
+ <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">"mesos.default_secret not provided in authenticated mode"</span><span class="p">)</span>
+
+ <span class="n">credential</span> <span class="o">=</span> <span class="n">mesos_pb2</span><span class="o">.</span><span class="n">Credential</span><span class="p">()</span>
+ <span class="n">credential</span><span class="o">.</span><span class="n">principal</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'DEFAULT_PRINCIPAL'</span><span class="p">)</span>
+ <span class="n">credential</span><span class="o">.</span><span class="n">secret</span> <span class="o">=</span> <span class="n">configuration</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'mesos'</span><span class="p">,</span> <span class="s1">'DEFAULT_SECRET'</span><span class="p">)</span>
+
+ <span class="n">framework</span><span class="o">.</span><span class="n">principal</span> <span class="o">=</span> <span class="n">credential</span><span class="o">.</span><span class="n">principal</span>
+
+ <span class="n">driver</span> <span class="o">=</span> <span class="n">mesos</span><span class="o">.</span><span class="n">native</span><span class="o">.</span><span class="n">MesosSchedulerDriver</span><span class="p">(</span>
+ <span class="n">AirflowMesosScheduler</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="p">,</span> <span class="n">task_cpu</span><span class="p">,</span> <span class="n">task_memory</span><span class="p">),</span>
+ <span class="n">framework</span><span class="p">,</span>
+ <span class="n">master</span><span class="p">,</span>
+ <span class="n">implicit_acknowledgements</span><span class="p">,</span>
+ <span class="n">credential</span><span class="p">)</span>
+ <span class="k">else</span><span class="p">:</span>
+ <span class="n">framework</span><span class="o">.</span><span class="n">principal</span> <span class="o">=</span> <span class="s1">'Airflow'</span>
+ <span class="n">driver</span> <span class="o">=</span> <span class="n">mesos</span><span class="o">.</span><span class="n">native</span><span class="o">.</span><span class="n">MesosSchedulerDriver</span><span class="p">(</span>
+ <span class="n">AirflowMesosScheduler</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="p">,</span> <span class="n">task_cpu</span><span class="p">,</span> <span class="n">task_memory</span><span class="p">),</span>
+ <span class="n">framework</span><span class="p">,</span>
+ <span class="n">master</span><span class="p">,</span>
+ <span class="n">implicit_acknowledgements</span><span class="p">)</span>
+
+ <span class="bp">self</span><span class="o">.</span><span class="n">mesos_driver</span> <span class="o">=</span> <span class="n">driver</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">mesos_driver</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
+
+ <span class="k">def</span> <span class="nf">execute_async</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">command</span><span class="p">,</span> <span class="n">queue</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">put</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">command</span><span class="p">))</span>
+
+ <span class="k">def</span> <span class="nf">sync</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="k">while</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="o">.</span><span class="n">empty</span><span class="p">():</span>
+ <span class="n">results</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">result_queue</span><span class="o">.</span><span class="n">get</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">change_state</span><span class="p">(</span><span class="o">*</span><span class="n">results</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">end</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">task_queue</span><span class="o">.</span><span class="n">join</span><span class="p">()</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">mesos_driver</span><span class="o">.</span><span class="n">stop</span><span class="p">()</span></div>
+</pre></div>
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new file mode 100644
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+
+ <h1>Source code for airflow.contrib.hooks.gcs_hook</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">import</span> <span class="nn">logging</span>
+
+<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.gcp_api_base_hook</span> <span class="kn">import</span> <span class="n">GoogleCloudBaseHook</span>
+<span class="kn">from</span> <span class="nn">apiclient.discovery</span> <span class="kn">import</span> <span class="n">build</span>
+<span class="kn">from</span> <span class="nn">apiclient.http</span> <span class="kn">import</span> <span class="n">MediaFileUpload</span>
+
+<span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s2">"google_cloud_storage"</span><span class="p">)</span><span class="o">.</span><span class="n">setLevel</span><span class="p">(</span><span class="n">logging</span><span class="o">.</span><span class="n">INFO</span><span class="p">)</span>
+
+
+<div class="viewcode-block" id="GoogleCloudStorageHook"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.hooks.gcs_hook.GoogleCloudStorageHook">[docs]</a><span class="k">class</span> <span class="nc">GoogleCloudStorageHook</span><span class="p">(</span><span class="n">GoogleCloudBaseHook</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Interact with Google Cloud Storage. This hook uses the Google Cloud Platform</span>
+<span class="sd"> connection.</span>
+<span class="sd"> """</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">google_cloud_storage_conn_id</span><span class="o">=</span><span class="s1">'google_cloud_storage_default'</span><span class="p">,</span>
+ <span class="n">delegate_to</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">GoogleCloudStorageHook</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="n">google_cloud_storage_conn_id</span><span class="p">,</span> <span class="n">delegate_to</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">get_conn</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Returns a Google Cloud Storage service object.</span>
+<span class="sd"> """</span>
+ <span class="n">http_authorized</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_authorize</span><span class="p">()</span>
+ <span class="k">return</span> <span class="n">build</span><span class="p">(</span><span class="s1">'storage'</span><span class="p">,</span> <span class="s1">'v1'</span><span class="p">,</span> <span class="n">http</span><span class="o">=</span><span class="n">http_authorized</span><span class="p">)</span>
+
+ <span class="k">def</span> <span class="nf">download</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket</span><span class="p">,</span> <span class="nb">object</span><span class="p">,</span> <span class="n">filename</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Get a file from Google Cloud Storage.</span>
+
+<span class="sd"> :param bucket: The bucket to fetch from.</span>
+<span class="sd"> :type bucket: string</span>
+<span class="sd"> :param object: The object to fetch.</span>
+<span class="sd"> :type object: string</span>
+<span class="sd"> :param filename: If set, a local file path where the file should be written to.</span>
+<span class="sd"> :type filename: string</span>
+<span class="sd"> """</span>
+ <span class="n">service</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span>
+ <span class="n">downloaded_file_bytes</span> <span class="o">=</span> <span class="n">service</span> \
+ <span class="o">.</span><span class="n">objects</span><span class="p">()</span> \
+ <span class="o">.</span><span class="n">get_media</span><span class="p">(</span><span class="n">bucket</span><span class="o">=</span><span class="n">bucket</span><span class="p">,</span> <span class="nb">object</span><span class="o">=</span><span class="nb">object</span><span class="p">)</span> \
+ <span class="o">.</span><span class="n">execute</span><span class="p">()</span>
+
+ <span class="c1"># Write the file to local file path, if requested.</span>
+ <span class="k">if</span> <span class="n">filename</span><span class="p">:</span>
+ <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">)</span> <span class="k">as</span> <span class="n">file_fd</span><span class="p">:</span>
+ <span class="n">file_fd</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">downloaded_file_bytes</span><span class="p">)</span>
+
+ <span class="k">return</span> <span class="n">downloaded_file_bytes</span>
+
+ <span class="k">def</span> <span class="nf">upload</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket</span><span class="p">,</span> <span class="nb">object</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">mime_type</span><span class="o">=</span><span class="s1">'application/octet-stream'</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Uploads a local file to Google Cloud Storage.</span>
+
+<span class="sd"> :param bucket: The bucket to upload to.</span>
+<span class="sd"> :type bucket: string</span>
+<span class="sd"> :param object: The object name to set when uploading the local file.</span>
+<span class="sd"> :type object: string</span>
+<span class="sd"> :param filename: The local file path to the file to be uploaded.</span>
+<span class="sd"> :type filename: string</span>
+<span class="sd"> :param mime_type: The MIME type to set when uploading the file.</span>
+<span class="sd"> :type mime_type: string</span>
+<span class="sd"> """</span>
+ <span class="n">service</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span>
+ <span class="n">media</span> <span class="o">=</span> <span class="n">MediaFileUpload</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">mime_type</span><span class="p">)</span>
+ <span class="n">response</span> <span class="o">=</span> <span class="n">service</span> \
+ <span class="o">.</span><span class="n">objects</span><span class="p">()</span> \
+ <span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">bucket</span><span class="o">=</span><span class="n">bucket</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="nb">object</span><span class="p">,</span> <span class="n">media_body</span><span class="o">=</span><span class="n">media</span><span class="p">)</span> \
+ <span class="o">.</span><span class="n">execute</span><span class="p">()</span></div>
+</pre></div>
+
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http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/502934ca/_modules/airflow/contrib/operators/bigquery_operator.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/contrib/operators/bigquery_operator.html b/_modules/airflow/contrib/operators/bigquery_operator.html
new file mode 100644
index 0000000..830fd57
--- /dev/null
+++ b/_modules/airflow/contrib/operators/bigquery_operator.html
@@ -0,0 +1,258 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+ <h1>Source code for airflow.contrib.operators.bigquery_operator</h1><div class="highlight"><pre>
+<span></span><span class="kn">import</span> <span class="nn">logging</span>
+
+<span class="kn">from</span> <span class="nn">airflow.contrib.hooks.bigquery_hook</span> <span class="kn">import</span> <span class="n">BigQueryHook</span>
+<span class="kn">from</span> <span class="nn">airflow.models</span> <span class="kn">import</span> <span class="n">BaseOperator</span>
+<span class="kn">from</span> <span class="nn">airflow.utils.decorators</span> <span class="kn">import</span> <span class="n">apply_defaults</span>
+
+<div class="viewcode-block" id="BigQueryOperator"><a class="viewcode-back" href="../../../../code.html#airflow.contrib.operators.bigquery_operator.BigQueryOperator">[docs]</a><span class="k">class</span> <span class="nc">BigQueryOperator</span><span class="p">(</span><span class="n">BaseOperator</span><span class="p">):</span>
+ <span class="sd">"""</span>
+<span class="sd"> Executes BigQuery SQL queries in a specific BigQuery database</span>
+<span class="sd"> """</span>
+ <span class="n">template_fields</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'bql'</span><span class="p">,</span> <span class="s1">'destination_dataset_table'</span><span class="p">)</span>
+ <span class="n">template_ext</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'.sql'</span><span class="p">,)</span>
+ <span class="n">ui_color</span> <span class="o">=</span> <span class="s1">'#e4f0e8'</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">bql</span><span class="p">,</span>
+ <span class="n">destination_dataset_table</span> <span class="o">=</span> <span class="bp">False</span><span class="p">,</span>
+ <span class="n">write_disposition</span> <span class="o">=</span> <span class="s1">'WRITE_EMPTY'</span><span class="p">,</span>
+ <span class="n">allow_large_results</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span>
+ <span class="n">bigquery_conn_id</span><span class="o">=</span><span class="s1">'bigquery_default'</span><span class="p">,</span>
+ <span class="n">delegate_to</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span>
+ <span class="n">udf_config</span><span class="o">=</span><span class="bp">False</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="sd">"""</span>
+<span class="sd"> Create a new BigQueryOperator.</span>
+
+<span class="sd"> :param bql: the sql code to be executed</span>
+<span class="sd"> :type bql: Can receive a str representing a sql statement,</span>
+<span class="sd"> a list of str (sql statements), or reference to a template file.</span>
+<span class="sd"> Template reference are recognized by str ending in '.sql'</span>
+<span class="sd"> :param destination_dataset_table: A dotted dataset.table that, if set,</span>
+<span class="sd"> will store the results of the query.</span>
+<span class="sd"> :type destination_dataset_table: string</span>
+<span class="sd"> :param bigquery_conn_id: reference to a specific BigQuery hook.</span>
+<span class="sd"> :type bigquery_conn_id: string</span>
+<span class="sd"> :param delegate_to: The account to impersonate, if any.</span>
+<span class="sd"> For this to work, the service account making the request must have domain-wide delegation enabled.</span>
+<span class="sd"> :type delegate_to: string</span>
+<span class="sd"> :param udf_config: The User Defined Function configuration for the query.</span>
+<span class="sd"> See https://cloud.google.com/bigquery/user-defined-functions for details.</span>
+<span class="sd"> :type udf_config: list</span>
+<span class="sd"> """</span>
+ <span class="nb">super</span><span class="p">(</span><span class="n">BigQueryOperator</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__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">bql</span> <span class="o">=</span> <span class="n">bql</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">destination_dataset_table</span> <span class="o">=</span> <span class="n">destination_dataset_table</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">write_disposition</span> <span class="o">=</span> <span class="n">write_disposition</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">allow_large_results</span> <span class="o">=</span> <span class="n">allow_large_results</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">bigquery_conn_id</span> <span class="o">=</span> <span class="n">bigquery_conn_id</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">delegate_to</span> <span class="o">=</span> <span class="n">delegate_to</span>
+ <span class="bp">self</span><span class="o">.</span><span class="n">udf_config</span> <span class="o">=</span> <span class="n">udf_config</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">logging</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'Executing: </span><span class="si">%s</span><span class="s1">'</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">bql</span><span class="p">))</span>
+ <span class="n">hook</span> <span class="o">=</span> <span class="n">BigQueryHook</span><span class="p">(</span><span class="n">bigquery_conn_id</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">bigquery_conn_id</span><span class="p">,</span> <span class="n">delegate_to</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">delegate_to</span><span class="p">)</span>
+ <span class="n">conn</span> <span class="o">=</span> <span class="n">hook</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span>
+ <span class="n">cursor</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">cursor</span><span class="p">()</span>
+ <span class="n">cursor</span><span class="o">.</span><span class="n">run_query</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">bql</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">destination_dataset_table</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">write_disposition</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">allow_large_results</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">udf_config</span><span class="p">)</span></div>
+</pre></div>
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