ec2stack/templates/instance_attribute.xml

{% extends "response.xml" %}
{% block response_content %}
    <instanceId>
        {{ id }}
    </instanceId>
    <{{ attribute }}>
    	{% if attribute == 'groupSet' %}
    	{% for securitygroup in response %}
    	<item>
            <groupId>{{ securitygroup.id }}</groupId>
        </item>
        {% endfor %}
        {% else %}
        <value>
            {{ response }}
        </value>
        {% endif %}
    </{{ attribute }}>
{% endblock %}