Set static IP during create() if defined

def _set_static_ip(name, session, vm_):
    '''
    Set static IP during create() if defined
    '''
    ipv4_cidr = ''
    ipv4_gw = ''
    if 'ipv4_gw' in vm_.keys():
        log.debug('ipv4_gw is found in keys')
        ipv4_gw = vm_['ipv4_gw']
    if 'ipv4_cidr' in vm_.keys():
        log.debug('ipv4_cidr is found in keys')
        ipv4_cidr = vm_['ipv4_cidr']
        log.debug('attempting to set IP in instance')
        set_vm_ip(name, ipv4_cidr, ipv4_gw, session, None)