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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (c) 2017 Cisco and/or its affiliates.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from netmodel.model.key import Key
from netmodel.model.type import String, Bool, Integer
from vicn.core.attribute import Attribute, Multiplicity
from vicn.core.exception import ResourceNotFound
from vicn.core.resource import Resource
from vicn.core.task import BashTask, inline_task, EmptyTask
from vicn.resource.node import Node
CREATE_FOLDER_CMD = "mkdir -p {folder.foldername}"
DELETE_FOLDER_CMD = "rm -f {folder.foldername}"
GET_FOLDER_CMD = 'test -d {folder.foldername} && readlink -e {folder.foldername}'
SET_FOLDER_PERMISSION_CMD = 'chmod {folder.permission} {folder.foldername}'
class Folder(Resource):
"""
Resource: Folder
"""
foldername = Attribute(String, description = 'Path to the folder',
mandatory = True)
node = Attribute(Node, description = 'Node on which the directory is created',
mandatory = True,
multiplicity = Multiplicity.ManyToOne,
reverse_name = 'folders',
reverse_description = 'Folders created on the node')
overwrite = Attribute(Bool,
description = 'Determines whether an existing folder is overwritten',
default = False)
permission = Attribute(Integer,
description = 'Permission to set in the folder',
default = 775)
__key__ = Key(node, foldername)
#--------------------------------------------------------------------------
# Resource lifecycle
#--------------------------------------------------------------------------
@inline_task
def __get__(self):
# UGLY
# @inline_task
# def not_found():
raise ResourceNotFound
# if self.overwrite:
# return not_found()
# def is_path (rv):
# if rv is None or rv.stdout is None or len(rv.stdout) == 0 or \
# rv.return_value != 0:
# raise ResourceNotFound
# return {} # 'filename': rv.stdout}
# create = BashTask(self.node, GET_FOLDER_CMD, {"folder": self}, parse=is_path)
# return create
def __create__(self):
ctask = BashTask(self.node, CREATE_FOLDER_CMD, {"folder": self})
if self.overwrite:
ctask = BashTask(self.node, DELETE_FOLDER_CMD, {'folder': self}) > ctask
set_permission = BashTask(self.node, SET_FOLDER_PERMISSION_CMD, {"folder": self})
return ctask > set_permission
def __delete__(self):
return BashTask(self.node, DELETE_FOLFER_CMD, { "folder" : self})
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