// Mount is used to expose a logical backend at a given prefix, using a unique salt,
// and the barrier view for that path.
func (r *Router) Mount(backend logical.Backend, prefix, salt string, view *BarrierView) error {
r.l.Lock()
defer r.l.Unlock()
// Check if this is a nested mount
if existing, _, ok := r.root.LongestPrefix(prefix); ok && existing != "" {
return fmt.Errorf("cannot mount under existing mount '%s'", existing)
}
// Build the paths
paths := backend.SpecialPaths()
if paths == nil {
paths = new(logical.Paths)
}
// Create a mount entry
me := &mountEntry{
tainted: false,
backend: backend,
view: view,
rootPaths: pathsToRadix(paths.Root),
loginPaths: pathsToRadix(paths.Unauthenticated),
}
r.root.Insert(prefix, me)
return nil
}
