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  <h1>Source code for lwr.vm</h1><div class="highlight"><pre>
<span></span><span class="c1"># live-wrapper - Wrapper for vmdebootstrap for creating live images</span>
<span class="c1"># (C) Iain R. Learmonth 2015 &lt;irl@debian.org&gt;</span>
<span class="c1"># See COPYING for terms of usage, modification and redistribution.</span>
<span class="c1">#</span>
<span class="c1"># lwr/vm.py - vmdebootstrap helpers</span>

<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">The lwr.vm module provides helpers for calling vmdebootstrap as part of the</span>
<span class="sd">image creation process.</span>

<span class="sd">Directory listing of /live/</span>
<span class="sd">filesystem.packages</span>
<span class="sd">filesystem.packages-remove</span>
<span class="sd">filesystem.squashfs</span>
<span class="sd">initrd.img</span>
<span class="sd">vmlinuz</span>

<span class="sd">.. note::</span>
<span class="sd">    This module requires that the vmdebootstrap modules be available in the</span>
<span class="sd">    Python path.</span>
<span class="sd">&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">logging</span>

<span class="kn">import</span> <span class="nn">cliapp</span>
<span class="kn">from</span> <span class="nn">vmdebootstrap.base</span> <span class="k">import</span> <span class="n">runcmd</span>

<span class="c1"># pylint: disable=superfluous-parens,missing-docstring,too-few-public-methods</span>

<div class="viewcode-block" id="VMDebootstrap"><a class="viewcode-back" href="../../lwr.html#lwr.vm.VMDebootstrap">[docs]</a><span class="k">class</span> <span class="nc">VMDebootstrap</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>

    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">distribution</span><span class="p">,</span> <span class="n">architecture</span><span class="p">,</span> <span class="n">mirror</span><span class="p">,</span> <span class="n">cdroot</span><span class="p">,</span> <span class="n">customise</span><span class="p">,</span> <span class="n">apt_mirror</span><span class="p">):</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">cdroot</span> <span class="o">=</span> <span class="n">cdroot</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;vmdebootstrap&quot;</span><span class="p">,</span>
                     <span class="s2">&quot;--sudo&quot;</span><span class="p">,</span> <span class="s2">&quot;--lock-root-password&quot;</span><span class="p">,</span>
                     <span class="s2">&quot;--no-systemd-networkd&quot;</span><span class="p">,</span>
                     <span class="s2">&quot;--arch&quot;</span><span class="p">,</span> <span class="n">architecture</span><span class="p">,</span>
                     <span class="s2">&quot;--enable-dhcp&quot;</span><span class="p">,</span> <span class="s2">&quot;--configure-apt&quot;</span><span class="p">,</span> <span class="s2">&quot;--verbose&quot;</span><span class="p">,</span>
                     <span class="s2">&quot;--log&quot;</span><span class="p">,</span> <span class="s2">&quot;vmdebootstrap.log&quot;</span><span class="p">,</span>
                     <span class="s2">&quot;--squash=</span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cdroot</span><span class="p">,</span> <span class="s1">&#39;live&#39;</span><span class="p">),</span>
                     <span class="s2">&quot;--log-level&quot;</span><span class="p">,</span> <span class="s2">&quot;debug&quot;</span><span class="p">]</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s2">&quot;--distribution&quot;</span><span class="p">,</span> <span class="n">distribution</span><span class="p">])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s2">&quot;--mirror&quot;</span><span class="p">,</span> <span class="n">mirror</span><span class="p">])</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s2">&quot;--apt-mirror&quot;</span><span class="p">,</span> <span class="n">apt_mirror</span><span class="p">])</span>

        <span class="c1"># FIXME: Logging should happen here</span>
        <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">customise</span><span class="p">):</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">extend</span><span class="p">([</span><span class="s2">&quot;--customize&quot;</span><span class="p">,</span> <span class="n">customise</span><span class="p">])</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="k">raise</span> <span class="n">cliapp</span><span class="o">.</span><span class="n">AppException</span><span class="p">(</span><span class="s2">&quot;Could not read customise script at </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">customise</span><span class="p">)</span>

<div class="viewcode-block" id="VMDebootstrap.run"><a class="viewcode-back" href="../../lwr.html#lwr.vm.VMDebootstrap.run">[docs]</a>    <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="n">logging</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;vmdebootstrap command: </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="s1">&#39; &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">),))</span>
        <span class="n">runcmd</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
        <span class="n">logging</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">&quot;vmdebootstrap completed, see vmdebootstrap.log for details&quot;</span><span class="p">)</span></div></div>


<div class="viewcode-block" id="detect_kernels"><a class="viewcode-back" href="../../lwr.html#lwr.vm.detect_kernels">[docs]</a><span class="k">def</span> <span class="nf">detect_kernels</span><span class="p">(</span><span class="n">cdroot</span><span class="p">):</span>
    <span class="n">versions</span> <span class="o">=</span> <span class="p">[]</span>
    <span class="n">filenames</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">cdroot</span><span class="p">,</span> <span class="s2">&quot;live&quot;</span><span class="p">))</span>
    <span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">filenames</span><span class="p">:</span>
        <span class="k">if</span> <span class="n">filename</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="mi">8</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;vmlinuz-&quot;</span><span class="p">:</span>
            <span class="n">versions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">filename</span><span class="p">[</span><span class="mi">8</span><span class="p">:])</span>
    <span class="k">return</span> <span class="n">versions</span></div>
</pre></div>

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