gistfile1.py

@app.route('/' + app.config['PATH'] + '<projectid>/aggregated/instances', methods=['GET'])
@authentication.required
def aggregatedlistinstances(projectid, authorization):
    zonelist = zones.get_zone_names(authorization)
    instancesList = _get_instances(authorization)
    items = {}

    for zone in zonelist:
        zones_instances = []
        if instancesList['listvirtualmachinesresponse']:
            for instance in instancesList['listvirtualmachinesresponse']['virtualmachine']:
                zones_instances.append(
                    _cloudstack_instance_to_gce(
                        response_item=instance,
                        zone=zone,
                        selfLink=request.base_url + '/' + instance['displayname']
                    )
                )
        items['zone/' + zone] = {}
        items['zone/' + zone]['zone'] = zone
        items['zone/' + zone]['instances'] = zones_instances

    populated_response = {
        'kind': 'compute#instanceAggregatedList',
        'id': 'projects/' + projectid + '/instances',
        'selfLink': request.base_url,
        'items': items
    }

    res = jsonify(populated_response)
    res.status_code = 200
    return res