juju/tag.py

   1 def _prefix(prefix, s):
   2     if s and not s.startswith(prefix):
   3         return '{}{}'.format(prefix, s)
   4     return s
   5
   6
   7 def untag(prefix, s):
   8     if s and s.startswith(prefix):
   9         return s[len(prefix):]
  10     return s
  11
  12
  13 def cloud(cloud_name):
  14     return _prefix('cloud-', cloud_name)
  15
  16
  17 def credential(cloud, user, credential_name):
  18     credential_string = '{}_{}_{}'.format(cloud, user, credential_name)
  19     return _prefix('cloudcred-', credential_string)
  20
  21
  22 def model(cloud_name):
  23     return _prefix('model-', cloud_name)