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<div class="section" id="database-management">
<h1>Database Management<a class="headerlink" href="#database-management" title="Permalink to this headline">¶</a></h1>
<p>The default metadata driver for glance uses sqlalchemy, which implies there
exists a backend database which must be managed. The <tt class="docutils literal"><span class="pre">glance-manage</span></tt> binary
provides a set of commands for making this easier.</p>
<div class="section" id="initializing-an-empty-database">
<h2>Initializing an Empty Database<a class="headerlink" href="#initializing-an-empty-database" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div>glance-manage db_sync</div></blockquote>
<p>This will take an empty database and create the necessary tables.</p>
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<div class="section" id="determining-the-database-version">
<h2>Determining the Database Version<a class="headerlink" href="#determining-the-database-version" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div>glance-manage db_version</div></blockquote>
<p>This will print the version of a glance database.</p>
</div>
<div class="section" id="upgrading-an-existing-database">
<h2>Upgrading an Existing Database<a class="headerlink" href="#upgrading-an-existing-database" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div>glance-manage db_sync <VERSION></div></blockquote>
<p>This will take an existing database and upgrade it to the specified VERSION.</p>
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<div class="section" id="downgrading-an-existing-database">
<h2>Downgrading an Existing Database<a class="headerlink" href="#downgrading-an-existing-database" title="Permalink to this headline">¶</a></h2>
<blockquote>
<div>glance-manage downgrade <VERSION></div></blockquote>
<p>This will downgrade an existing database from the current version to the
specified VERSION.</p>
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<h3><a href="index.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Database Management</a><ul>
<li><a class="reference internal" href="#initializing-an-empty-database">Initializing an Empty Database</a></li>
<li><a class="reference internal" href="#determining-the-database-version">Determining the Database Version</a></li>
<li><a class="reference internal" href="#upgrading-an-existing-database">Upgrading an Existing Database</a></li>
<li><a class="reference internal" href="#downgrading-an-existing-database">Downgrading an Existing Database</a></li>
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