"""Check that name is valid for a machine name"""
if not name:
return False
- charset = string.ascii_letters + string.digits + '-_'
- if name[0] in '-_' or len(name) > 22:
+ charset = string.lowercase + string.digits + '-'
+ if '-' in (name[0], name[-1]) or len(name) > 63:
return False
for x in name:
if x not in charset:
return None
if not Machine.select_by(name=name):
if not validMachineName(name):
- raise InvalidInput('name', name, 'You must provide a machine name. Max 22 chars, alnum plus \'-\' and \'_\'.')
+ raise InvalidInput('name', name, 'You must provide a machine name. Max 63 chars, alnum plus \'-\', does not begin or end with \'-\'.')
return name
raise InvalidInput('name', name, "Name is already taken.")