Package credentialprovider contains a copy of some of the files in https://github.com/kubernetes/kubernetes/tree/97332c1edca5be0082414d8a030a408f91bed003/pkg/credentialprovider The above library is supported nor recommended for use as a module/dependency, see https://github.com/kubernetes/kubernetes/issues/79384#issuecomment-505627280 and https://github.com/kubernetes/kubernetes/#to-start-using-k8s Therefore we have copy of the functionality necessary to use pull secrets the same way as kubernetes does.