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<?xml version="1.0" encoding="UTF-8"?>
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<h1>Secret XML format</h1>
<ul><li>
<a href="#SecretAttributes">Secret XML</a>
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<a href="#example">Example</a>
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<h2>
<a name="SecretAttributes" id="SecretAttributes">Secret XML</a>
</h2>
<p>
Secrets stored by libvirt may have attributes associated with them, using
the <code>secret</code> element. The <code>secret</code> element has two
optional attributes, each with values '<code>yes</code>' and
'<code>no</code>', and defaulting to '<code>no</code>':
</p>
<dl><dt><code>ephemeral</code></dt><dd>This secret must only be kept in memory, never stored persistently.
</dd><dt><code>private</code></dt><dd>The value of the secret must not be revealed to any caller of libvirt,
nor to any other node.
</dd></dl>
<p>
The top-level <code>secret</code> element may contain the following
elements:
</p>
<dl><dt><code>uuid</code></dt><dd>
An unique identifier for this secret (not necessarily in the UUID
format). If omitted when defining a new secret, a random UUID is
generated.
</dd><dt><code>description</code></dt><dd>A human-readable description of the purpose of the secret.
</dd><dt><code>usage</code></dt><dd>
Specifies what this secret is used for. A mandatory
<code>type</code> attribute specifies the usage category, currently
only <code>volume</code> is defined. Specific usage categories are
described below.
</dd></dl>
<h3>Usage type "volume"</h3>
<p>
This secret is associated with a volume, and it is safe to delete the
secret after the volume is deleted. The <code><usage
type='volume'></code> element must contain a
single <code>volume</code> element that specifies the key of the volume
this secret is associated with.
</p>
<h2>
<a name="example" id="example">Example</a>
</h2>
<pre>
<secret ephemeral='no' private='yes'>
<description>LUKS passphrase for the main hard drive of our mail server</description>
<usage type='volume'>
<volume>/var/lib/libvirt/images/mail.img</volume>
</usage>
</secret></pre>
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