.. Copyright 2015 tsuru authors. All rights reserved.
   Use of this source code is governed by a BSD-style
   license that can be found in the LICENSE file.

=======================
tsr 0.9.1 release notes
=======================

Welcome to tsr 0.9.1!

These release notes cover the `bug fixes`_, `general improvements`_ and
`changes in the API`_ you'll want to be aware of when upgrading from tsr 0.9.0
or older versions.

.. _`general improvements`: `Other improvements in tsr 0.9.1`_
.. _`changes in the API`: `API changes`_

Bug fixes
=========

* fix panic in the API when auto scale is enabled and the metric data is
  invalid.
* auto scale honors the min and max units when scaling
* ``app-run`` ignore build containers (issue `#987
  <https://github.com/tsuru/tsuru/issues/987>`_).

Other improvements in tsr 0.9.1
===============================

* added some unit status and use correct status on build. Now the
  unit flow is:

.. highlight:: bash

::

    Flow:

    +----------+                           Start          +---------+
    | Building |                   +---------------------+| Stopped |
    +----------+                   |                      +---------+
          ^                        |                           ^
          |                        |                           |
     deploy unit                   |                         Stop
          |                        |                           |
          +                        v       RegisterUnit        +
     +---------+  app unit   +----------+  SetUnitStatus  +---------+
     | Created | +---------> | Starting | +-------------> | Started |
     +---------+             +----------+                 +---------+
                                   +                         ^ +
                                   |                         | |
                             SetUnitStatus                   | |
                                   |                         | |
                                   v                         | |
                               +-------+     SetUnitStatus   | |
                               | Error | +-------------------+ |
                               +-------+ <---------------------+

API changes
===========

* auto scale config info is now returned in the app-info endpoint.