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<div class="section" id="module-airflow.contrib.hooks.ssh_hook">
<span id="airflow-contrib-hooks-ssh-hook"></span><h1><a class="reference internal" href="#module-airflow.contrib.hooks.ssh_hook" title="airflow.contrib.hooks.ssh_hook"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.hooks.ssh_hook</span></code></a><a class="headerlink" href="#module-airflow.contrib.hooks.ssh_hook" title="Permalink to this headline"></a></h1>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.hooks.ssh_hook.</code><code class="sig-name descname">SSHHook</code><span class="sig-paren">(</span><em class="sig-param">ssh_conn_id=None</em>, <em class="sig-param">remote_host=None</em>, <em class="sig-param">username=None</em>, <em class="sig-param">password=None</em>, <em class="sig-param">key_file=None</em>, <em class="sig-param">port=None</em>, <em class="sig-param">timeout=10</em>, <em class="sig-param">keepalive_interval=30</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="../../../hooks/base_hook/index.html#airflow.hooks.base_hook.BaseHook" title="airflow.hooks.base_hook.BaseHook"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.hooks.base_hook.BaseHook</span></code></a></p>
<p>Hook for ssh remote execution using Paramiko.
ref: <a class="reference external" href="https://github.com/paramiko/paramiko">https://github.com/paramiko/paramiko</a>
This hook also lets you create ssh tunnel and serve as basis for SFTP file transfer</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>ssh_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – connection id from airflow Connections from where all the required
parameters can be fetched like username, password or key_file.
Thought the priority is given to the param passed during init</p></li>
<li><p><strong>remote_host</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – remote host to connect</p></li>
<li><p><strong>username</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – username to connect to the remote_host</p></li>
<li><p><strong>password</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – password of the username to connect to the remote_host</p></li>
<li><p><strong>key_file</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – key file to use to connect to the remote_host.</p></li>
<li><p><strong>port</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – port of remote host to connect (Default is paramiko SSH_PORT)</p></li>
<li><p><strong>timeout</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – timeout for the attempt to connect to the remote_host.</p></li>
<li><p><strong>keepalive_interval</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – send a keepalive packet to remote host every
keepalive_interval seconds</p></li>
</ul>
</dd>
</dl>
<dl class="method">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook.get_conn">
<code class="sig-name descname">get_conn</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook.get_conn"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook.get_conn" title="Permalink to this definition"></a></dt>
<dd><p>Opens a ssh connection to the remote host.</p>
<dl class="field-list simple">
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p>paramiko.client.SSHClient</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook.__enter__">
<code class="sig-name descname">__enter__</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook.__enter__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook.__enter__" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook.__exit__">
<code class="sig-name descname">__exit__</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">exc_type</em>, <em class="sig-param">exc_val</em>, <em class="sig-param">exc_tb</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook.__exit__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook.__exit__" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook.get_tunnel">
<code class="sig-name descname">get_tunnel</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">remote_port</em>, <em class="sig-param">remote_host='localhost'</em>, <em class="sig-param">local_port=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook.get_tunnel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook.get_tunnel" title="Permalink to this definition"></a></dt>
<dd><p>Creates a tunnel between two hosts. Like ssh -L &lt;LOCAL_PORT&gt;:host:&lt;REMOTE_PORT&gt;.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>remote_port</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – The remote port to create a tunnel to</p></li>
<li><p><strong>remote_host</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – The remote host to create a tunnel to (default localhost)</p></li>
<li><p><strong>local_port</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a>) – The local port to attach the tunnel to</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>sshtunnel.SSHTunnelForwarder object</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.contrib.hooks.ssh_hook.SSHHook.create_tunnel">
<code class="sig-name descname">create_tunnel</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">local_port</em>, <em class="sig-param">remote_port=None</em>, <em class="sig-param">remote_host='localhost'</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/ssh_hook.html#SSHHook.create_tunnel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.ssh_hook.SSHHook.create_tunnel" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
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