openstack/deb-heat
Code Issues Proposed changes

Add a script show all possible state transitions

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The output of this script will be useful in documenting all possible
state transitions.

Change-Id: I24e442ce20fe7730c915a77b85014f44075e03fd
This commit is contained in:
Jason Dunsmore 2013-08-21 15:15:17 -05:00
parent 044a8aaf69
commit 1f7d5b07d6
1 changed files with 41 additions and 0 deletions
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tools/state_transitions.py Executable file
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#!/usr/bin/python
# 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.
"""Generate a list of all possible state transitions.
Useful as a starting point for documentation.
"""
from heat.engine import resource
actions = resource.Resource.ACTIONS
stack_statuses = resource.Resource.STATUSES
engine_statuses = ("Alive", "Dead")
print """\
| Orig action | Stack status | Engine status | New action | Behavior |
|-------------+--------------+---------------+------------+------------------|\
"""
for orig_action in actions:
for stack_status in stack_statuses:
for new_action in actions:
if stack_status == resource.Resource.IN_PROGRESS:
for engine_status in engine_statuses:
print "| %11s | %12s | %13s | %10s | |" \
% (orig_action, stack_status, engine_status,
new_action)
else:
print "| %11s | %12s | %13s | %10s | |" \
% (orig_action, stack_status, "NA", new_action)