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

   1 import os
   2
   3 from .group import Group
   4
   5
   6 def splitall(path):
   7     if path == "/":
   8         return ["/"]
   9     s = os.path.split(path)
  10     return splitall(s[0]) + [s[1]]
  11
  12
  13 def resolve(vol_spec, path):
  14     parts = splitall(path)
  15     if len(parts) != 4 or os.path.join(parts[0], parts[1]) != vol_spec.subvolume_prefix:
  16         return None
  17     groupname = None if parts[2] == Group.NO_GROUP_NAME else parts[2]
  18     subvolname = parts[3]
  19     return (groupname, subvolname)
  20
  21
  22 def resolve_trash(vol_spec, path):
  23     parts = splitall(path)
  24     if len(parts) != 6 or os.path.join(parts[0], parts[1]) != vol_spec.subvolume_prefix or \
  25        parts[4] != '.trash':
  26         return None
  27     groupname = None if parts[2] == Group.NO_GROUP_NAME else parts[2]
  28     subvolname = parts[3]
  29     return (groupname, subvolname)