Output VirtualHost configuration file for Apache HTTPD (CakePHP Shell)

default.ctp

<?php
$webroot = '/var/www/vhosts/' . $domain . '/htdocs';
?>
NameVirtualHost *:80

<VirtualHost *:80>

    DocumentRoot "<?= $webroot ?>"

    ServerName <?= $domain ?>

    ErrorLog "logs/<?= $domain ?>-error_log"
    CustomLog "logs/<?= $domain ?>_log" combined

    <Directory "<?= $webroot ?>">
        AllowOverride All
        Order deny,allow
        Allow from all
    </Directory>

</VirtualHost>

vhost.php

<?php

class VhostShell extends Shell {

    public function main() {
        $this->out('Vhost config maker for Apache HTTPD');

        if (empty($this->args)) {
            // show help
            $this->help();
            return;
        }
    }

    /**
     * help
     *
     */
    public function help() {
        $this->hr();
        $this->out('Usage: cake vhost create <vhostname> [-t <template>]');
        $this->hr();
        $this->out('Parameters:');
        $this->out('    <vhostname>');
        $this->out('        (eg. vhost.example.com)');
        $this->out();
        $this->out('    <template>');
        $this->out('        template file. (default: "default")');
        $this->out();
        $this->hr();
    }

    public function create() {

        $domain = $this->args[0];

        $template = 'default';
        if (!empty($this->params['t']) && is_file($this->_getTemplatePath() . $this->params['t'] . '.ctp')) {
            $template = $this->params['t'];
        }

        ob_start();
        include $this->_getTemplatePath() . $template . '.ctp';
        $conf = ob_get_contents();
        ob_end_clean();

        $this->out($conf);
    }

    protected function _getTemplatePath() {
        return dirname(__FILE__) . DS . 'vhost_templates' . DS;
    }

}

vendors/shells/にvhost.phpをぶっ込む。
vendors/shells/vhost_templates/ を作って default.ctpをぶっ込む。

cake vhost create vhost.example.com

とすれば、それらしき出力がでるですよ。