ceph/src/pybind/mgr/volumes/fs/operations/resolver.py

   1 import os
   2
   3 from .group import Group
   4
   5 def splitall(path):
   6     if path == "/":
   7         return ["/"]
   8     s = os.path.split(path)
   9     return splitall(s[0]) + [s[1]]
  10
  11 def resolve(vol_spec, path):
  12     parts = splitall(path)
  13     if len(parts) != 4 or os.path.join(parts[0], parts[1]) != vol_spec.subvolume_prefix:
  14         return None
  15     groupname = None if parts[2] == Group.NO_GROUP_NAME else parts[2]
  16     subvolname = parts[3]
  17     return (groupname, subvolname)