uncloud-mravi/archive/uncloud_etcd_based/uncloud/api/common_fields.py

59 lines
1.4 KiB
Python
Executable file

import os
from uncloud.common.shared import shared
class Optional:
pass
class Field:
def __init__(self, _name, _type, _value=None):
self.name = _name
self.value = _value
self.type = _type
self.__errors = []
def validation(self):
return True
def is_valid(self):
if self.value == KeyError:
self.add_error(
"'{}' field is a required field".format(self.name)
)
else:
if isinstance(self.value, Optional):
pass
elif not isinstance(self.value, self.type):
self.add_error(
"Incorrect Type for '{}' field".format(self.name)
)
else:
self.validation()
if self.__errors:
return False
return True
def get_errors(self):
return self.__errors
def add_error(self, error):
self.__errors.append(error)
class VmUUIDField(Field):
def __init__(self, data):
self.uuid = data.get("uuid", KeyError)
super().__init__("uuid", str, self.uuid)
self.validation = self.vm_uuid_validation
def vm_uuid_validation(self):
r = shared.etcd_client.get(
os.path.join(shared.settings["etcd"]["vm_prefix"], self.uuid)
)
if not r:
self.add_error("VM with uuid {} does not exists".format(self.uuid))