image_status_transition.dot

/*
# All Rights Reserved.
# Copyright 2013 IBM Corp.
#
#    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.
*/

/*
This file can be compiled by graphviz with issuing the following command:

   dot -Tpng -oimage_status_transition.png image_status_transition.dot

See http://www.graphviz.org to get more info.
*/

digraph {
  node [shape="doublecircle" color="#006699" style="filled"
        fillcolor="#33CCFF" fixedsize="True" width="1.5" height="1.5"];

  "" -> "queued" [label="create image"];

  "queued" -> "active" [label="add location*"];
  "queued" -> "saving" [label="upload"];
  "queued" -> "deleted" [label="delete"];

  "saving" -> "active" [label="upload succeed"];
  "saving" -> "killed" [label="upload fail"];
  "saving" -> "deleted" [label="delete"];

  "active" -> "queued" [label="remove location*"];
  "active" -> "pending_delete" [label="delayed delete"];
  "active" -> "deleted" [label="delete"];
  "active" -> "deactivated" [label="deactivate"];

  "deactivated" -> "active" [label="reactivate"];
  "deactivated" -> "deleted" [label="delete"];

  "killed" -> "deleted" [label="delete"];

  "pending_delete" -> "deleted" [label="after scrub time"];
}