func createTree(persist p.Controller) {
for _, p := range []string{"nodes", "containers/nodes", "containers/master", "links"} {
exists, err := persist.Exists(PREFIX + "/" + p)
if err != nil {
log.Fatalf(err.Error())
}
if !exists {
_, err := persist.CreatePath(PREFIX + "/" + p)
if err != nil {
log.Fatalf(err.Error())
}
}
}
}
