rattan will not weather well, especially if you need wet rated. if they are on a covered porch you only need damp rating. type in exterior pendant lights several vendors make them. but what you need is either an all plastic or porcelain socket cam across this for you:https://abeautifulmess.com/indoor-pendant-light-for-outdoor-use/

I mean if you have to pass code just stick up a socket with a bulb.