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.. _Changelog:
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Unified Changelog file for Synnefo versions >= 0.13
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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Since v0.13 most of the Synnefo components have been merged into a single
repository and have aligned versions.
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.. _Changelog-0.17rc4:
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v0.17rc4
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========
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Released: UNRELEASED

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Synnefo-wide
------------

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* Fixed postgresql connection pooling. The pool manager now closes the
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  real connection objects when pool verify fails.


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Astakos
-------

* Support LDAP authentication by creating the 'LDAP' authentication
  provider.
* Add 'autoverify' provider policy to automatically verify the user's
  email. Obsolete the 'SKIP_EMAIL_VERIFICATION' setting.
* Extend authentication provider mechanism to support mapping arbitraty
  provider's attributes to user attributes. Also, support making these
  attributes to be 'forced' by the provider so that user cannot change
  them (e.g. the user's email).
* Minor changes so that 'local' authentication provider is treated
  in the same way as all other providers.
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* Add the UUIDs of the projects that the user is member in the response
  of 'identity/v2.0/tokens' API call.
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* Display uuid in expired projects list.
* Fix checkbox behaviour in project members list.
* Add project_creation_date column in `snf-manage` projects list.
* Fixed `how-to` broken link in projects view.
* Extend tokens API response with user's projects.
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* Fixed 'Unlimited' value handling in project submission form.
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* Return 302 instead of 301 on logout to avoid the user-agents caching the
  logout redirect.
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Cyclades
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* Implement detachable volumes support.

  * Support for detached volume creation.
  * Support for VM attach/detach volume actions.

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* Implement shared resources among members of a project.

  * Extend Cyclades API with the 'shared_to_project' field, indicating whether
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    a resource is shared to the members of the project that the resource belongs
    to.
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  * Extend `reassign` API call with the 'shared_to_project' field that can be
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    used to share or unshare a resource to project members.
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  * Update Cyclades API to return all resources that are accessible to a user,
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    and not only those that are owned by the user.
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  * Update snf-manage commands to show whether a resource is shared or not.

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* Fix RAM rounding error in `snf-manage flavor-create`.
* `snf-manage` `server-create`, `floating-ip-create` and `network-create`
  commands now accept a project argument.
* Show creation time in `snf-manage server-inspect`.
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* Detect and handle disk resizes from Ganeti.
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* Include the disks of the instance on snf-ganeti-eventd when
  processing an OP_INSTANCE_GROW_DISK Ganeti job.
* Extend the log records of all actions to include the user that
  performed them.
* Extend the ports that are accessible to the user with the ports that are
  having a floating IP that is accessible to the user.
* Add an snf-manage command (helper-servers-sync) that syncs helper servers
  across Ganeti backends.
* Add the 'CYCLADES_SHARED_RESOURCES_ENABLE' option to enable/disable the
  feature of sharing a resource to the members of the project that
  the resource belongs to.
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* Create an allocator interface in order to allow the creation of different
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  backend allocation algorithms. Default backend allocator setting is changed
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  to `synnefo.logic.allocators.default_allocator.DefaultAllocator`.
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* Implement an interface for memory caching.
* Add the option to retrieve the front page statistics
  from the memory cache.
* Add the `PUBLIC_STATS_CACHE_POPULATE_INTERVAL` setting.
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* Store the password in the cache on VM creation until the user
  confirms that they stored it.
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* Add config options for setting the dispatcher's logging severity:
  `DISPATCHER_LOGGING_LEVEL`, `AMQP_LOGGING_LEVEL`, `LOGIC_LOGGING_LEVEL`
  in `20-snf-cyclades-app-dispatcher.conf`.
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* Change dispatcher's default logging level to "INFO" (was: "DEBUG").
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Cyclades UI
-----------

* Extend Cyclades UI to work with shared resources

 * Add option to share/unshare a resource in the project reassign view.
 * Add icons to distinquish resources that are either shared by the user
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   or a shared to the user.
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 * Properly handle ghost resources, which are resources that are visible to
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   the user only because they are related with some shared resource, but the
   user has no access to them. Add tooltip to explain this to the user.
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 * Custom image sections. Allow images uploaded by designated users to be
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   displayed in separate sections in image listing overlay.
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 * Include machine icon images for bitnami
 * Show public networks without a floating IP in IPs wizard

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* Display "No machine" option when creating volume from image source.
* Display "No machine" option when the user has no machines created.
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* Add confirmation message on the password modal. If the user doesn't
  confirm that they stored the password, the password modal will appear
  each time they try to access their virtual machine.
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Pithos
------

* Add new setting for block module arguments
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* Fix access check for public files.

  * The fact that a public URL for a file exists doesn't
    grant an arbitrary user with read access to the file.

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Pithos UI
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* Pithos UI has been rewritten from scratch. Some of the features of the new
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  UI are the following:
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  * Based on modern web technologies (EmberJS, Foundation CSS)
  * Revised styles and responsive layout
  * Improved perfomance
  * Enhanced user experience
  * Styles themes
  * Container management support
  * Astakos quota API integration
  * Chunked upload support

  The introduced web application is now packaged as `snf-ui-app`. The new
  package replaces the previous one, `snf-pithos-webclient` which from now on
  is deprecated and should no longer be used.
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Admin
-----

* Enable OR operation between same type query terms

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Admin UI
--------

* Update tips and tricks content.

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CI
--

* Add an option (--local-package-dir) to upload local Debian packages to
  the snf-deploy local packages directory.
* New config option to enable ssh forwarding.

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Management
----------

* Allow specification of project when creating a new network, floating IP
  or server using (cli) snf-manage.
* Add the `floating-ip-show` command.

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Deploy
------

* Create helper VMs when running deploy.
* Remove the x2go repo.

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Development
-----------

* Install/uninstall the required packages for development on the
  install/uninstall scripts.
* Switch to the django-nose test runner.


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.. _Changelog-0.16.2:
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v0.16.2
=======

Released: Fri Jul 24 14:13:24 EEST 2015

Changelog
---------
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* Switch to a more verbose Changelog style, which includes more details
  regarding the commits of each relase. A summary of the changes is provided
  with the NEWS file.
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Admin
-----

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* Handle unicode chars in VM search field.
* Check usage to decide if resource is useful.
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* Display last login per auth provider if more than one exists.
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* Display 'comments for review' in project applications.
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* Display effective limit in user's quotas.
* Fix IP updated time since timestamp.
* Fetch image info using UUID and version.
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Astakos
-------

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* Always accept terms for users created via admin API.
* Allow admin to update the 'signed terms' date for a user via the 'signTerms'
  admin API action.
* Improve admin API user creation process, in case that user moderation is
  disabled.
* Provide South migration to fix initialized state of enrolled memberships.
* Handle empty project limit in application submission form.
* Include terminated projects in project list views.
* Display UUID in expired projects list.
* Fix checkbox behaviour in project members list.
* Fix style error in project creation form.
* Add project_creation_date column to list.
* Fix UI project tests.
* Route oa2 models to Astakos database in Synnefo DB router.
* Catch a couple of potential 500 errors.
* Fix auth_provider limit enforcement.

Bunrin
------

* Fix a race in public network detach.
* Handle exceptions and retry during SSH.
* Create private networks without a gateway.

CI
--

* Pin Debian Wheezy image during ci runs.
* Fix CI image flavor regexp.

Cyclades
--------

* Round up memory sizes in flavor create.
* Change volume ownership on server-modify.
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Cyclades UI
-----------

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* Add UI_IMAGE_LISTING_USERS setting to enable custom defined image sections
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  in image selection view of the VM creation wizard. The sections are defined
  using the LISTING_SECTION image property.
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* Change default private network gateway to 'None'.
* Include machine icon images for bitnami.
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Deploy
------
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* Substitute IPs with FQDNs.
* Fix CA creation.
* Use domain in ServerName.
* Update qa-init.sh for Ganeti.
* Disable v6 on loopback interface.
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Documentation
-------------

* Update install guide to use Debian Wheezy.

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Pithos
------

* Remove obsolete billing code
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* Fix off-by-one error in Pithos API tests.
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.. _Changelog-0.16.1:
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v0.16.1
=======
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Released: Fri Feb  6 12:05:44 EET 2015
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Astakos
-------

* Include additional validation checks in project modification form to ensure
  members limit is always set lower or equal than total limit.
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* Prevent members limit from automatically being set to unlimited in project
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  modification form.
* Exclude terminated projects from responses of project list and user quota
  api calls.
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* Improve UI handling of inactive, terminated and empty projects.
* Change default pagination in projects list view.
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Cyclades UI
-----------

* Improve handling of terminated projects in reassign view.
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* Remove the COPYRECT encoding from the preferred noVNC client encodings, and
  prefer TIGHT_PNG by default.
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* Fix handling of SSH keys and password customization steps to images that
  do not support them, e.g. snapshots.
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* Add OS icons for Scientific Linux and CoreOS.
* Change project reassign button style for VMs and boot disks.
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Stats
-----

* Aggregate the traffic of every VM interface in the net stats graphs.

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Branding
--------

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* Add CLOUDBAR_HOME_URL setting to allow Cloudbar home icon customization.
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.. _Changelog-0.16:
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v0.16
=====
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Released: Tue Nov 11 10:44:57 EET 2014
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Synnefo-wide
------------

* Replace accumulative projects with pool projects:

  * Projects are now viewed as a source of finite resources. A member can
    reserve a part of these resources up to a specified limit.

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  * Base quota are now offered through a special purpose user-specific system
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    project, identified with the same UUID as the user.

  * Each actual resource (Cyclades VM, network, floating IP and Pithos
    container) is now also associated with a project besides the owner.

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  * In resource creation, project defaults to the user-specific system
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    project, if not specified otherwise. It is also possible to change the
    project assignment of an existing resource.

  * All existing resources have been assigned to the respective
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    user-specific system projects.
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* Logging mechanism for Synnefo management commands

  * Log all stdout and stderr output of every invocation of snf-manage,
    on unique filenames under a given directory.

  * Add a new setting in the snf-common package, namely 'LOG_DIR', which
    specifies the directory to be used by Synnefo components to write
    their log files.

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* Rename argument names of Synnefo management commands

  * All Synnefo management commands now use 'user/flavor/image/network'
    as argument names, instead of 'userid/user-id/owner/flavor-id/image
    -id/network-id', for consistency across commands.

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Astakos
-------

* Decouple projects from applications:

  * Support project creation (by the system) and modification (by a
    privileged user) without the need to submit/approve an application.

  * View applications as modifications. When a project is uninitialized
    (e.g. an application for a new project is pending), no further
    modification is allowed.

  * Applications are removed from the API. A project's last application is
    only accessible as part of the project details.

  * Decouple project state from application state; they can be combined by
    an API client, if needed.

* Changes concerning quota and pool projects:

  * A project must provide limits for all registered resources. On project
    activation, resources missing are automatically completed using a
    skeleton.

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  * Field 'uplimit' of registed resources is exposed as 'system_default' and
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    provide the skeleton for user-specific system projects. A new field
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    'project_default' is introduced to act as a skeleton for conventional
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    projects.

  * The quotaholder now also records project quota besides user quota. The
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    two types of holders are distinguished with a prefix: 'user:' and
    'project:'.
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  * The quota API is extended to make project quota available.

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  * Removed setting 'ASTAKOS_PROJECTS_VISIBLE'; we now always display
    projects in the Astakos menu.
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* Projects can be set 'private', making it accessible only to its owner and
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  members.

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* Admin users API

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  * Extend astakos identity API to support user management functionality.
  * Admin API related settings
  * ``ADMIN_API_ENABLED``
    Whether or not the admin api endpoints will be enabled.
  * ``ADMIN_API_PERMITTED_GROUPS``
    A list of group names for which users which belong to any of
    them be granted full access to the admin API endpoints.
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*  Updated projects integration in UI

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  * Display both max per member/total in group quota in project views.
  * Enhanced usage view to display individual resource usage details for
    each of the projects the user is associated with.
  * Display project usage statistics in project details view.
  * Display system projects in admin project list view.
  * Handle display of infinite resource quota values.
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* Explicitly specify the lists in which every notification will be sent.

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Cyclades
--------

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* Introduce Volumes and Snapshots:
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  * Implement 'cyclades_volumes' service, containing the /volumes, /types,
    and /snapshots API endpoints under '/volumes/v2.0'.
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  * Implement 'snf-manage volume-{create, list, show, modify, inspect, remove}'
    management commands for handling volumes.
  * Implement 'snf-manage snapshot-{create, list, show, modify}' management
    commands for handling snapshots.
  * Implement 'volume-type-{create, list, modify, show, remove}' management
    commands for handling volume types.
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  * Implement reconciliation for stale snapshots.
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  * Add new settings:
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    * GANETI_MAX_DISKS_PER_INSTANCE: Maximum number of disks that each Ganeti
      instance can have.
    * CYCLADES_VOLUME_MAX_SIZE: The maximum allowed size (in GB) for Cyclades
      volumes.
    * CYCLADES_SNAPSHOTS_ENABLED: Enable/Disable the snapshots feature
      altogether at the API level.
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* Integrate Cyclades resources with Astakos projects.
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  * Extend API calls that create resources with the 'project' attribute
    in order to assign resources to the specified project.
  * Implement API calls for reassigning resources to a new project.
  * Export the project that a resource belongs in the 'tenant_id' API
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    attribute.
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* Add support for snf-vncauthproxy 1.6 (configurable VNC console types).
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* Change the ``CYCLADES_VNCAUTHPROXY_OPTS`` setting to a list of dictionaries
  and support configurable vncauthproxy proxy addresses (added in
  snf-vncauthproxy-1.6).
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* Add support for more types of VM console:
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  * Modify the current 'console' action to support VNC WebSockets (requires
    snf-vncauthproxy=1.6).
  * Add support for the three OpenStack Compute console actions
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    (VNC, RDP, Spice). RDP and Spice are currently not implemented.
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* Update Cyclades to work with Pithos with integrated Archipelago v2
  mapfiles.
* Include functionality for checking the status of the Cyclades update path,
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  which includes Ganeti, AMQP, snf-ganeti-eventd and snf-dispatcher. This
  functionality is implemented as part of the snf-dispatcher and can be used
  by passing the '--status-check' option.
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* Add setting `CYCLADES_VM_MAX_METADATA` to limit the maximum number of
  metadata per vm.
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* Add setting `CYCLADES_VOLUME_MAX_METADATA` to limit the maximum number of
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  metadata per volume.
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* Use common -u/--user option to specify the UUID or email of the user, for
  all management commands.
* Store basic information about images that have been used to create servers,
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  in order to preserve this information even if images are deleted from
  Pithos.
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* Make 'snf-ganeti-eventd' tolerate failures when processing Ganeti jobs. The
  daemon will not crash but continue to run in order to process jobs that can
  be processed.
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* Update 'backend-list' command to not count the free IPs from networks that
  are drained.
* Fix the'network-inspect' command to not contain externally reserved IPs
  in th number of available IPs.
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* Add `GANETI_DISKS_WAIT_FOR_SYNC` setting to decide whether Ganeti will
  wait for the disk mirror to sync (`--no-wait-for-sync` Ganeti option).
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* Fix mishandling of `MAX_CIDR_BLOCK` setting. Allowed CIDR sizes
  changed from (MAX_CIDR_BLOCK, 29) to [MAX_CIDR_BLOCK, 29].
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* Fix various minor bugs.
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* Remove stale '--public' and '--user' options from 'image-show' and
  'snapshot-show' management commands.
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Cyclades UI
-----------

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* In sync with the updated astakos projects API

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  * Include a project select widget within all resource create views, to let user
    decide the project that the created resources will be assigned to.
  * Display resource assigned project in resource list views.
  * Let user reassign resource project.
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* Volumes API integration.

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  * Introduce the Disks list/create views.
  * Display machine attached disks in icon/single machine views.
  * Use ``CYCLADES_VOLUME_MAX_SIZE`` setting to determine the
    maximum allowed disk size.
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* Integrate volume snapshots

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  * Include available snapshots in disk/vm create wizards.
  * Disk snaphot create actions.
  * The ui snapshoting functionality (snapshot actions and listing)
    can be enabled/disabled using the introduced ``UI_SNAPSHOTS_ENABLED``
    setting.
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* Replace TigerVNC Java client with an HTML5 Websocket-based client (noVNC)

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* Other UI fixes

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  * Disabled suspended vm actions
  * Custom error message for 413 api error response codes
  * Enable resize actions from both info/actions subviews for active
    machines
  * Update images collection each time machine create wizard opens
  * Fixed a couple of title truncate in several views
  * Handle display of infinite resource quota values.
  * Improve network create wizard. Support for custom gateway.
  * Common font styling for all resource titles
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Pithos
------

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* Backend modifications to enable/support snapshot creation.
* Backend and API modifications to reflect the modifications in the resource
  allocation mechanism via the accumulative projects with pool projects.
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* Change default disposition type: If no disposition-type is
  specifically requested or an invalid value is passed, the disposition type
  is set to 'inline'.
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Admin
-----

* Introduce Administrator Dashboard, which provides the following:

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  * Graphic access to the details of various Synnefo entities (users, VMs,
    Projects).
  * Intuitive filtering.
  * Multiple actions and notifications.
  * Charts and statistics generation.
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* Define the Admin node URL and path with the ``ADMIN_BASE_URL`` setting

  * The ``ADMIN_BASE_URL`` setting should be adjusted in every node that Admin
    is installed.

Tools
-----

* Extend snf-burnin to include testing of snapshots.


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.. _Changelog-0.15.2:

v0.15.2
=======

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Cyclades
--------

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* Fix minor problem in network stats plugin of collectd
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* Fix small issue in the 'stats-cyclades' command arising when Ganeti cannot
  communicate with a node.
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* Check max size of server metadata
* Add support for Ganeti 2.10

Cyclades UI
-----------

* Fix oraclelinux icon name
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.. _Changelog-0.15.1:

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v0.15.1
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=======
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Released: Thu May 15 13:31:37 EEST 2014
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Synnefo-wide
------------

* Documentation: New CentOS installation guide.
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* Handle Unicode issue in proxy requests.
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Astakos
-------

* Change statistics API to expose statistics for all users and for users
  per authentication provider (users that are exclusively using a provider).
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* Fix minor problem in weblogin, which could lead to unexpected exception
* Fix Authenticate Identity API call with trailing slash, which used to fail
  with 405 (Method not allowed)

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Cyclades
--------

* Fix bug in snf-dispatcher that could result in unsynced NICs between
  Cyclades and Ganeti.
* Support queries by IPv6 address in helpdesk app.
* Extend statistics API with detailed information about Ganeti clusters,
  virtual servers and networks, public IPv4 pools and images.
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* Allow creation of ports with existing floating IPs from networks that are
  marked as drained.
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Cyclades UI
-----------

* Include icons for Oracle Linux OS (oraclelinux)
* Include a null gateway IP when creating subnets for private networks to
  override the default gateway IP of Neutron API.

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Pithos
------

* Support selectable storage backend

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  * Add new settings:

    - PITHOS_BACKEND_STORAGE: Possible values are 'nfs' and 'rados'.
    - PITHOS_RADOS_CEPH_CONF: The Ceph configuration file.
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* Remove unused variable PITHOS_RADOS_STORAGE
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* Add 'pithos-sync-rados.sh' shell script in Pithos tools,
  a Pithos object synchronization tool from NFS to Rados.
* Fix missing Content-Disposition header in object response, which caused
  publicly shared objects to be saved with a meaningless name
  (without extension)
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v0.15
=====
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Synnefo-wide
------------

* Integrate Pithos tests in continuous integration.

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* Change astakosclient to accept AUTH_URL instead of BASE_URL
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  ASTAKOS_BASE_URL settings has been removed from Pithos and Cyclades
  and has been replaced with ASTAKOS_AUTH_URL. Both Pithos and Cyclades
  proxy the Astakos services under ASTAKOS_PROXY_PREFIX path.
  ASTAKOS_PROXY_PREFIX by default has a value of '_astakos'.
  More specifically, Astakos' identity service is proxied under
  '_astakos/identity', Astakos' account service is under '_astakos/account'
  and Astakos' ui service is under '_astakos/ui'.
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* Add 'mail_admins' handler to 'django.request' logger in order to send email
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  notifications to users listed in 'ADMINS' setting about unhandled exceptions
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  in the code.

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* Extend astakosclient to request and validate OAuth 2.0 access tokens

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* Change response status code from 400 (Bad Request) to 405 (Not allowed
  method) in case of an unexpected request method.

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Astakos
-------

* Changes in project schema:

  * A Project entry is created when submitting an application for a new
    project, rather than on approval. Its state is dependent on the state
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    of its 'reference' application (current definition). Lock Project rather
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    than Chain (the latter is semantically obsolete).
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  * Project states "Active - Pending" and "Suspended - Pending" have been
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    removed. In management command 'project-list', the existence of a pending
    modification is indicated by a non-blank 'Pending AppID'.
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  * Improve recording of project, application, and membership actions.
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* Implement API calls for projects.
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* Store the base URL of a component. The deployer should provide it when
  adding a new component. Service endpoints originating from a component
  are expected to match its base URL; otherwise, a warning is issued.
  re-registration with 'snf-component-register' affects both the base and
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  the ui URL.
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* Changes in resource and quota handling:

  * New resources are registered with unlimited default base quota,
    represented by 2**63-1.
  * Each newly accepted user copies the default value for all resources
    as their own base quota. A base quota is considered 'custom' if its
    value differs from the default.
  * Changing resource's default quota affects the base quota *only* of
    future users.
  * Resource definition got flags 'api_visible' and 'ui_visible',
    replacing flag 'allow_in_projects'. They control whether a user can
    access these resources. The system internally always accounts for
    all resources, and a user can get off quota even for a resource that
    is not visible.

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* Remove API call GET /account/v1.0/authenticate in favor of
  POST /identity/v2.0/tokens.
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* Export basic statistics about Astakos service at the '/admin/stats/detail' API
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  endpoint. Access to this endpoint is only allowed to users that belong to
  the Astakos groups that are defined in the
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  'ASTAKOS_ADMIN_STATS_PERMITTED_GROUPS' setting. Statistics are also available
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  through the 'snf-manage stats-astakos' management command.
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* Implement OAuth 2.0 Authorization Code Grant
  Add API calls for authorization code and access token generation
* Add API call for validating OAuth 2.0 access tokens
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* **Shibboleth module** Extract unique identifier from the
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  ``REMOTE_USER`` header.
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* Automatically fill third-party signup form fields when available by the
  the third-party provider.
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* Management commands:
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  * Introduced new commands:
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    * component-show
    * quota-list (replacing quota, supports various filters)
    * quota-verify (replacing quota)
    * oauth2-client-add (register OAuth 2.0 client)
    * oauth2-client-list (list registered oauth 2.0 clients)
    * oauth2-client-remove (remove OAuth 2.0 client)

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  * Changed commands:
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    * component-add got options --base-url and --ui-url
    * resource-modify --limit became --default-quota
    * user-modify can operate on multiple users with --all and --exclude
    * user-modify --set-base-quota became --base-quota

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  * Removed commands:
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    * quota
    * resource-import (subsumed by service-import)
    * resource-export-astakos (subsumed by service-export-astakos)

* Fix request authorization code failures due to Unicode issue:
  https://code.grnet.gr/issues/4971
* Omit validation issues for non-required metadata values received from the
  third-party authentication provider.
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Cyclades
--------

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* Major changes to Cyclades networks:

  * Implement 'cyclades_network' service, containing the /networks, /ports,
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    /subnets and /floatingips API endpoints under '/network/v2.0'. The old
    /networks API of 'cyclades_compute' (under /compute/v2.0) is
    removed.
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  * Implement 'snf-manage subnet-{create, list, modify, inspect}' management
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    commands for handling of subnets.
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  * Implement 'snf-manage port-{create, list, remove, inspect}' management
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    commands for handling of ports.
  * Add two new settings, 'CYCLADES_FORCED_SERVER_NETWORKS' and
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    'CYCLADES_DEFAULT_SERVER_NETWORKS' to control the networks that newly
    created servers will be connected.
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* Implement Floating IP addresses, which are IPv4 addresses that can be
  dynamically added and removed to a running server.

  * Add new 'cyclades.floating_ip' resource.
  * Implement 'snf-manage floating-ip-{create,list,remove,attach,detach}'
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    management commands to handle floating IPs.
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  * Add 'floating_ip_pool' attribute to networks to mark networks that can
    be used as floating IP pools.
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* Implement 'resize' server action.

  * Implement the 'resize' server action, to change the flavor of a server.
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    Only 'cpu' and 'memory' resizing is supported.
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* Compute quotas for CPU and memory of running VMs.
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  * Change 'cyclades.cpu' and 'cyclades.ram' resources to represent the CPU
    and RAM for running VMs. Total CPU and RAM usage is represented by new
    'cyclades.total_cpu' and 'cyclades.total_ram' resources.

* Refer to Ganeti NICs by their name instead of their index.

  * Make cyclades give a unique name to each Ganeti NIC. NICs are refered by
    their unique name and not by their index inside the VM that are connected
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    to.
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* Support firewall profile for all NICs of an instance. Change firewall
  settings to be filled with the unique name of the NIC. The affected settings
  are the GANETI_FIREWALL_{ENABLED, DISABLED, PROTECTED}_TAG settings.
* Add accounting for public IP addresses that is accessible via `snf-manage
  ip-list` management command and via the helpdesk app.
* Implement IPv6 only networks.
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* Extend servers info API response with 'SNF:fqdn' attribute, and introduce
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  CYCLADES_SERVERS_FQDN to set the template for servers FDQN. Remove
  'UI_VM_HOSTNAME_FORMAT' setting.
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* Extend servers info API response with 'SNF:port_forwarding' attribute,
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  describing port forwarding rules (DNAT) that are applied to vms. The
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  description of such rules is done via the new CYCLADES_PORT_FORWARDING
  setting.
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* Speed up server reconciliation, by performing parallel reconciliation for
  each backend.
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* Change --dhcp option of network management commands from a flag to a boolean
  value, e.g. --dhcp=True
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* Remove 'ARCHIPELAGO_BACKENDS' setting used to distinguish between backends
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  that hosted only archipelago backends. Instead allocation is based on which
  disk-templates are enabled in each backend.
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* Implement 'snf-manage server-remove' management command.
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* Move reconciliation of IP pools from 'reconcile-networks' to
  'reconcile-pools'. The IP pool reconciliation does not reconcile the IP
  pools with Ganeti. Instead it checks if the pool is consistent with the
  IPs that are used by instances.
* Do not automatically release externally reserved IPs if they are released
  from a Ganeti backend. Management of externally reserved IPs must be
  performed from Cyclades with 'network-modify' command.
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* Export basic statistics about Cyclades Service at the '/admin/stats/detail'
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  API endpoint. Access to this endpoint is only allowed to users that belong
  to the Astakos groups that are defined in the 'ADMIN_STATS_PERMITTED_GROUPS'
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  setting.  Statistics are also available through the 'snf-manage stats-cyclades'
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  management command.
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* Support enforcing quota through command 'enforce-resources-cyclades'.
* Remove command 'resource-export-cyclades' subsumed by
  'service-export-cyclades'.
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* Obsolete PUBLIC_USE_POOL setting, since Cyclades manages IP pool for all
  type of networks.
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* Encrypt / decrypt the instance id / hostname in the  stats URL in
  snf-cyclades-app and snf-stats-app, using the 'CYCLADES_STATS_SECRET_KEY'
  and 'STATS_SECRET_KEY' respectively.
* Add support for snf-vncauthproxy-1.5 and the setting
  'CYCLADES_VNCAUTHPROXY_OPTS', which configures the extra options / arguments
  needed by the newer version of snf-vncauthproxy. Support for older versions
  of snf-vncauthproxy has been dropped. See also the upgrade notes for Synnefo
  and snf-vncauthproxy-1.5.
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* Remove 'DEFAULT_ROUTING_TABLE' setting. If a link for an IP_LESS_ROUTED
  network is not specified, the link will be uniquely named
  'snf-link-$network_id'.
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* Extend flavors with 'allow_create' attribute. Flavors that have this
  attribute unset cannot be used by users to create new servers.
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* Store each image property(metadata) as a separate Pithos metadata and check
  that the size of each property is valid.
* Fix a few occurrences of HTTP 500 errors being triggered due to insufficient
  validation of incoming requests in the Network API
* Speed up some API calls by fixing the relevant DB queries
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Cyclades UI
-----------

- Retrieve all networks information from the introduced cyclades network
  service.
- New IPs pane from which user can manage floating IPs.
- Redesign public keys overlay as an additional pane view.
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- Split networking configuration into an additional step in machine create
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  wizard.
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- Display forced networks and choices of the available floating IPs which will
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  be assigned to the created machine.
- Support for machine resize action. Explicit handling when machine is started
  by displaying an utility shutdown button within the resize overlay.
- Machine IPs toggling subview in icon/single views.
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- Replace IPv4/IPv6 with machine's FQDN in icon/single view. When no FQDN can
  be resolved display a message. Message can be configured using the introduced
  ``UI_NO_FQDN_MESSAGE``. Setting ``UI_VM_HOSTNAME_FORMAT`` has been removed
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  and no longer used.
- Respect ``SNF:task_state`` machine attribute in order to improve machine
  status display.
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- Append software version as a url parameter in HTML static files in order
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  to force browser cache invalidation between versions.
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- Configurable Google fonts base url. Fonts base url can be changed usint the
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  ``SYNNEFO_FONTS_BASE_URL`` setting.
- Regression fix: Display reboot required notification on machine firewall
  parameters.
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- Handling of ``GANETI_USE_HOTPLUG`` setting. Do not allow live network actions
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  when setting is set to ``False``.
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- Double escaping fix in machine create wizard images list and machine details
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  subview.
- Fix image ordering in machine create wizard.
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- New setting ``UI_SSH_SUPPORT_OSFAMILY_EXCLUDE_LIST``. A list of image OS
  families for which ui will disable ssh key injection in machine wizard.
- Setting ``UI_SUPPORT_SSH_OS_LIST`` removed and no longer used.
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- Group public networks by name if setting ``UI_GROUP_PUBLIC_NETWORKS`` is set
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  to True.
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- Setting ``UI_GROUPED_PUBLIC_NETWORK_NAME`` has been deprecated and no longer
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  used.
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- Fix UI to filter available flavors in VM wizard
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Cyclades Userdata
-----------------

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- Maximum allowed length of ssh key content. Configurable from the
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  ``USERDATA_SSH_KEY_MAX_CONTENT_SIZE`` setting.


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Pithos
------

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* Rewrite tests.
* Performance optimizations in object listing.
* Introduce backend method decorator for handling transaction management if no
  transaction is initiated from the frontend.
* Fix Internal Server Errors https://code.grnet.gr/issues/4501 &
  https://code.grnet.gr/issues/4502.
* Fix REQUEST ENTITY TOO LARGE request failure during move operations
  https://code.grnet.gr/issues/4154.
* Fix FORBIDDEN request failure while listing implicitly shared objects
  https://code.grnet.gr/issues/4131.
* Fix issue with the computed size of an updated object.
* Reply with the Merkle hash in the ETag header if MD5 is deactivated.
* Reply with FORBIDDEN (403) to public listing requests performed by non path
  owners.
* Change response status to NOT FOUND (404) while trying to delete an
  already deleted object.
* Change SQLAlchemy version to 0.7
* Change view authorization
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  The pithos views do not use the cookie information for user authentication.
  They request (from Astakos) and use a short-term access token for a
  specific resource.
* Remove PITHOS_ASTAKOS_COOKIE_NAME setting, since it is no longer useful
* Add PITHOS_OAUTH2_CLIENT_CREDENTIALS setting to authenticate the views with
  astakos during the resource access token generation procedure
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* Add PITHOS_UNSAFE_DOMAIN setting to restrict file serving endpoints to a
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  specific host
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* Added new 'file-show' management command
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* Remove command 'resource-export-pithos' subsumed by 'service-export-pithos'.
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* Extend API to optionally enforce a specific content disposition type
  in view and public requests: https://code.grnet.gr/issues/5019

* Fix bulk operation (delete/copy/move) failures in overpopulated
  containers/folders: https://code.grnet.gr/issues/5119

* Fix performance issue due to missing index
* Fix backend open hashfile bug:
  https://code.grnet.gr/issues/5011
* Fix GET request for public path with If-None-Match
  https://code.grnet.gr/issues/5168