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Comprehensive docs covering CLI reference, VMFile.kdl format, architecture, library API, tutorials, and advanced topics. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
271 lines
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<main>
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<h1 id="provision-blocks"><a class="header" href="#provision-blocks">Provision Blocks</a></h1>
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<p>Provision blocks define steps to run on the guest after boot. They execute in order and abort on the first failure.</p>
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<h2 id="shell-provisioner"><a class="header" href="#shell-provisioner">Shell Provisioner</a></h2>
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<h3 id="inline-command"><a class="header" href="#inline-command">Inline Command</a></h3>
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<pre><code class="language-kdl">provision "shell" {
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inline "sudo apt-get update && sudo apt-get install -y nginx"
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}
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</code></pre>
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<p>Executes the command directly on the guest via SSH.</p>
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<h3 id="script-file"><a class="header" href="#script-file">Script File</a></h3>
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<pre><code class="language-kdl">provision "shell" {
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script "scripts/setup.sh"
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}
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</code></pre>
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<p>The script file is uploaded to <code>/tmp/vmctl-provision-<step>.sh</code> on the guest, made executable with <code>chmod +x</code>, and executed. The path is resolved relative to the VMFile directory.</p>
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<h3 id="validation"><a class="header" href="#validation">Validation</a></h3>
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<p>A shell provisioner must have exactly one of <code>inline</code> or <code>script</code>. Specifying both or neither is an error.</p>
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<h2 id="file-provisioner"><a class="header" href="#file-provisioner">File Provisioner</a></h2>
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<pre><code class="language-kdl">provision "file" {
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source "config/app.conf"
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destination "/etc/app/app.conf"
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}
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</code></pre>
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<p>Uploads a local file to the guest via SFTP.</p>
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<h3 id="required-fields"><a class="header" href="#required-fields">Required Fields</a></h3>
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<div class="table-wrapper"><table><thead><tr><th>Field</th><th>Description</th></tr></thead><tbody>
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<tr><td><code>source</code></td><td>Local file path (relative to VMFile directory)</td></tr>
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<tr><td><code>destination</code></td><td>Absolute path on the guest</td></tr>
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</tbody></table>
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<h2 id="execution-behavior"><a class="header" href="#execution-behavior">Execution Behavior</a></h2>
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<ul>
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<li>Provisioners run sequentially in the order they appear.</li>
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<li>Shell provisioners stream stdout and stderr to your terminal in real-time.</li>
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<li>A non-zero exit code from any shell provisioner aborts the sequence.</li>
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<li>All output is also logged to <code>provision.log</code> in the VM's work directory.</li>
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<li>vmctl waits up to 120 seconds for SSH to become available before starting provisioners.</li>
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