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doc/source/releases/2014_1.rst
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doc/source/releases/2014_1.rst
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=========================
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Horizon 2014.1 "Icehouse"
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=========================
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Release Overview
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================
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The Icehouse release cycle brings several improvements to Horizon's
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user experience, improved extensibility, and support for many
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additional features in existing projects. The community continues to
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grow. Read more for the specifics.
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Highlights
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==========
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New Features
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------------
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Nova
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~~~~
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The number of OpenStack Compute (Nova) features that are supported in Icehouse
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grew. New features in the Icehouse release include:
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* Live Migration Support
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* HyperV Console Support
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* Disk config extension support
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* Improved support for managing host aggregates and availability zones
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* Support for easily setting flavor extra specs
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Cinder
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~~~~~~
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In an ongoing effort to implement Role Based Access Support throughout Horizon,
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access controls were added in the OpenStack Volume (Cinder) related panels.
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Utilization of the Cinder v2 API is now a supported option in the Icehouse
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release. The ability to extend volumes is now available as well.
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Neutron
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~~~~~~~
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Display of Router Rules for routers where they are defined is now supported in
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Horizon.
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Swift
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~~~~~
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With Icehouse, the ability for users to create containers and mark them as
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public is now available. Links are added to download these public containers.
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Users can now explicitly create pseudo directories rather than being required to
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create them as part of the container creation process.
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Heat
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~~~~
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In Icehouse, Horizon delivers support for updating existing Heat stacks.
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Now stacks that have already been deployed can be adjusted and redeployed. The
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updated template is also validated when updated. Additionally, support for
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adding environment files was included.
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Ceilometer
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~~~~~~~~~~
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Horizon has added support for administrators to query Ceilometer and
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view a daily usage report per project across services through the
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OpenStack Dashboard to better understand how system resources are being
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consumed by individual projects.
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Trove Databases
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~~~~~~~~~~~~~~~
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The OpenStack Database as a Service project (Trove) is part of the
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integrated release in the Icehouse cycle. Improvements to the client
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connections and overall stability were added in the Icehouse cycle.
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User Experience Improvements
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----------------------------
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Extensible Enhancements
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~~~~~~~~~~~~~~~~~~~~~~~
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The primary dashboard and panel navigation has been updated from the tab
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navigation to an accordion implementation. Dashboards and Panel Groups are now
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expandable and collapsible in the page navigation. This change allows for the
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addition of more dashboards as well as accommodates the increasing number of
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panels in dashboards.
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Wizard
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~~~~~~
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Horizon now provides a Wizard control to complete multi-step interdependent
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tasks. This is now utilized in the create network action.
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Inline Table Editing
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~~~~~~~~~~~~~~~~~~~~
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Tables can now be written to support editing fields in the table to reduce the
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need for opening separate forms. The first sample of this is in the Admin
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dashboard, Projects panel.
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Self-Service Password Change
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Leveraging enhancements to Identity API v3 (Keystone), users can now change
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their own passwords without the need to involve an administrator. This
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functionality was previously only available with Identity API v2.0.
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Server Side Table Filtering
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Tables can now easily be wired to filter results from underlying API calls
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based on criteria selected by the user rather than just perform an on page
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search. The first example of this is in the Admin dashboard, Instances panel.
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Under The Hood
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--------------
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JavaScript
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~~~~~~~~~~
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In a move to provide a better user experience, Horizon has adopted AngularJS as
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the primary JavaScript framework. JavaScript is now a browser requirement to
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run the Horizon interface. More to come in Juno.
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Plugin Architecture
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~~~~~~~~~~~~~~~~~~~
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Horizon now boasts dynamic loading/disabling of dashboards, panel groups and
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panels. By merely adding a file in the ``enabled`` directory, the selection of
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items loaded into Horizon can be altered. Editing the Django settings file is
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no longer required.
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For more information see :ref:`pluggable-settings-label`
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Integration Test Framework
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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Horizon now supports running integration tests against a working devstack system. There is a limited test suite, but this a great step forward and allows full integration testing.
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Django 1.6 Support
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~~~~~~~~~~~~~~~~~~
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Django versions 1.4 - 1.6 are now supported by Horizon.
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Upgrade Information
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===================
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Beginning with the Icehouse cycle, there is now a requirement for JavaScript
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support in browsers used with OpenStack Dashboard.
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Page Layout Changes
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-------------------
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The overall structure of the page layout in Horizon has been altered. Existing
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templates by 3rd parties to override page templates may require some rework.
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Default Hypervisor Settings Changes
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-----------------------------------
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The default for ``can_set_password`` is now ``False``. This means that unless
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the setting is explicitly set to ``True``, the option to set an
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'Admin password' for an instance will not be shown in the Launch Instance
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workflow. Not all hypervisors support this feature which created confusion with
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users.
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The default for ``can_set_mountpoint`` is now ``False``, and should be set to
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``True`` in the settings in order to add the option to set the mount point for
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volumes in the dashboard. At this point only the Xen hypervisor supports this
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feature.
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To change the behavior around hypervisor management in Horizon you must add the
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``OPENSTACK_HYPERVISOR_FEATURES`` setting to your ``settings.py`` or
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``local_settings.py`` file.
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For more information see :ref:`hypervisor-settings-label`
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Known Issues and Limitations
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============================
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Multi-Domain Cross Service Support
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----------------------------------
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While Horizon supports managing Identity v3 entities and authenticating in a
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multi-domain Keystone configuration, there is a v3, v2.0 token compatibility
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issue when trying to manage resources for users outside the ``default``
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domain. For this reason, v2.0 has been restored as the default API version
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for OpenStack Identity (Keystone). For a single domain environment, Keystone
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v3 API can still be used via the ``OPENSTACK_API_VERSION`` setting.
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@ -281,6 +281,7 @@ The hostname of the Keystone server used for authentication if you only have
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one region. This is often the *only* setting that needs to be set for a
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basic deployment.
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.. _hypervisor-settings-label:
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``OPENSTACK_HYPERVISOR_FEATURES``
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---------------------------------
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