utility function for multiple sls

gistfile1.txt

def get_role_ips(role, interface='eth1'):
    billing_id = __pillar__['cluster']['client']['billing_id']
    cluster_name = __pillar__['cluster']['name']
    ips = []
    interfaces = __salt__['mine.get']('{0}*{1}-{2}.my-platform-domain.com'.format(role, billing_id, cluster_name), 'network.interfaces')
    for minion, interface in interfaces.iteritems():
        for name, data in interface.iteritems():
            if name == interface:
                ips.append(data['inet'][0]['address'])
    return ips
    
    # usage:
    web_public_ips = get_role_ips('web', interface='eth0')
    db_private_ips = get_role_ips('db')
    
    # Question: How can i re-use this function in multiple states accross my codebase in saltstack?