* GUI resource

* MemIf interface for VPP
* Better netmodel integration
* Draft documentation
* New tutorials
* Improved monitoring and error handling
* Refactored IP addresses and prefixes representation
* Improved image mgmt for LXD
* Various bugfixes and code refactoring

Change-Id: I90da6cf7b5716bc7deb6bf4e24d3f9f01b5a9b0f
Signed-off-by: Marcel Enguehard <mengueha+fdio@cisco.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/vicn/resource/linux/folder.py b/vicn/resource/linux/folder.py
new file mode 100644
index 00000000..636ecbcd
--- /dev/null
+++ b/vicn/resource/linux/folder.py
@@ -0,0 +1,88 @@
+#!/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})