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(Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar"> + <i class="fa fa-search"></i> + </button> + + </div> + + <h1 class="menu-title">Synapse</h1> + + <div class="right-buttons"> + + <a href="print.html" title="Print this book" aria-label="Print this book"> + <i id="print-button" class="fa fa-print"></i> + </a> + + + <a href="https://github.com/matrix-org/synapse" title="Git repository" aria-label="Git repository"> + <i id="git-repository-button" class="fa fa-github"></i> + </a> + + + <a href="https://github.com/matrix-org/synapse/edit/develop/docs/manhole.md" title="Suggest an edit" aria-label="Suggest an edit"> + <i id="git-edit-button" class="fa fa-edit"></i> + </a> + + + </div> + </div> + + + <div id="search-wrapper" class="hidden"> + <form id="searchbar-outer" class="searchbar-outer"> + <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header"> + </form> + <div id="searchresults-outer" class="searchresults-outer hidden"> + <div id="searchresults-header" class="searchresults-header"></div> + <ul id="searchresults"> + </ul> + </div> + </div> + + + <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM --> + <script type="text/javascript"> + document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible'); + document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible'); + Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) { + link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1); + }); + </script> + + <div id="content" class="content"> + <main> + <!-- Page table of contents --> + <div class="sidetoc"> + <nav class="pagetoc"></nav> + </div> + + <h1 id="using-the-synapse-manhole"><a class="header" href="#using-the-synapse-manhole">Using the synapse manhole</a></h1> +<p>The "manhole" allows server administrators to access a Python shell on a running +Synapse installation. This is a very powerful mechanism for administration and +debugging.</p> +<p><strong><em>Security Warning</em></strong></p> +<p>Note that this will give administrative access to synapse to <strong>all users</strong> with +shell access to the server. It should therefore <strong>not</strong> be enabled in +environments where untrusted users have shell access.</p> +<h2 id="configuring-the-manhole"><a class="header" href="#configuring-the-manhole">Configuring the manhole</a></h2> +<p>To enable it, first uncomment the <code>manhole</code> listener configuration in +<code>homeserver.yaml</code>. The configuration is slightly different if you're using docker.</p> +<h4 id="docker-config"><a class="header" href="#docker-config">Docker config</a></h4> +<p>If you are using Docker, set <code>bind_addresses</code> to <code>['0.0.0.0']</code> as shown:</p> +<pre><code class="language-yaml">listeners: + - port: 9000 + bind_addresses: ['0.0.0.0'] + type: manhole +</code></pre> +<p>When using <code>docker run</code> to start the server, you will then need to change the command to the following to include the +<code>manhole</code> port forwarding. The <code>-p 127.0.0.1:9000:9000</code> below is important: it +ensures that access to the <code>manhole</code> is only possible for local users.</p> +<pre><code class="language-bash">docker run -d --name synapse \ + --mount type=volume,src=synapse-data,dst=/data \ + -p 8008:8008 \ + -p 127.0.0.1:9000:9000 \ + matrixdotorg/synapse:latest +</code></pre> +<h4 id="native-config"><a class="header" href="#native-config">Native config</a></h4> +<p>If you are not using docker, set <code>bind_addresses</code> to <code>['::1', '127.0.0.1']</code> as shown. +The <code>bind_addresses</code> in the example below is important: it ensures that access to the +<code>manhole</code> is only possible for local users).</p> +<pre><code class="language-yaml">listeners: + - port: 9000 + bind_addresses: ['::1', '127.0.0.1'] + type: manhole +</code></pre> +<h3 id="security-settings"><a class="header" href="#security-settings">Security settings</a></h3> +<p>The following config options are available:</p> +<ul> +<li><code>username</code> - The username for the manhole (defaults to <code>matrix</code>)</li> +<li><code>password</code> - The password for the manhole (defaults to <code>rabbithole</code>)</li> +<li><code>ssh_priv_key</code> - The path to a private SSH key (defaults to a hardcoded value)</li> +<li><code>ssh_pub_key</code> - The path to a public SSH key (defaults to a hardcoded value)</li> +</ul> +<p>For example:</p> +<pre><code class="language-yaml">manhole_settings: + username: manhole + password: mypassword + ssh_priv_key: "/home/synapse/manhole_keys/id_rsa" + ssh_pub_key: "/home/synapse/manhole_keys/id_rsa.pub" +</code></pre> +<h2 id="accessing-synapse-manhole"><a class="header" href="#accessing-synapse-manhole">Accessing synapse manhole</a></h2> +<p>Then restart synapse, and point an ssh client at port 9000 on localhost, using +the username and password configured in <code>homeserver.yaml</code> - with the default +configuration, this would be:</p> +<pre><code class="language-bash">ssh -p9000 matrix@localhost +</code></pre> +<p>Then enter the password when prompted (the default is <code>rabbithole</code>).</p> +<p>This gives a Python REPL in which <code>hs</code> gives access to the +<code>synapse.server.HomeServer</code> object - which in turn gives access to many other +parts of the process.</p> +<p>Note that, prior to Synapse 1.41, any call which returns a coroutine will need to be wrapped in <code>ensureDeferred</code>.</p> +<p>As a simple example, retrieving an event from the database:</p> +<pre><code class="language-pycon">>>> from twisted.internet import defer +>>> defer.ensureDeferred(hs.get_datastore().get_event('$1416420717069yeQaw:matrix.org')) +<Deferred at 0x7ff253fc6998 current result: <FrozenEvent event_id='$1416420717069yeQaw:matrix.org', type='m.room.create', state_key=''>> +</code></pre> + + </main> + + <nav class="nav-wrapper" aria-label="Page navigation"> + <!-- Mobile navigation buttons --> + + <a rel="prev" href="admin_api/version_api.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + + + <a rel="next" href="metrics-howto.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + + <div style="clear: both"></div> + </nav> + </div> + </div> + + <nav class="nav-wide-wrapper" aria-label="Page navigation"> + + <a rel="prev" href="admin_api/version_api.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + + + <a rel="next" href="metrics-howto.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + </nav> + + </div> + + + + + + + + + <script type="text/javascript"> + window.playground_copyable = true; + </script> + + + + + + <script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script> + <script src="mark.min.js" type="text/javascript" charset="utf-8"></script> + <script src="searcher.js" type="text/javascript" charset="utf-8"></script> + + + <script src="clipboard.min.js" type="text/javascript" charset="utf-8"></script> + <script src="highlight.js" type="text/javascript" charset="utf-8"></script> + <script src="book.js" type="text/javascript" charset="utf-8"></script> + + <!-- Custom JS scripts --> + + <script type="text/javascript" src="docs/website_files/table-of-contents.js"></script> + + + + + </body> +</html> \ No newline at end of file |