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Changelog

All notable changes to the kytos project will be documented in this file.

UNRELEASED - Under development

Changed

Deprecated

Removed

Fixed

Security

[2018.1] - "dalva" - 2018-07-19

Fixed

  • Fixed napps pre-installed with default value.

[2018.1b3] - "dalva" beta3 - 2018-06-15

Added

  • Added reload/<username>/<napp_name> endpoint to reload the NApp code
  • Added reload/all endpoint to update the NApp code of all NApps
  • Kytos console display the kytos version.
  • Added method __repr__ on Napp class.
  • Added method __eq__ on UNI class.
  • UNI and TAG has method as_dict and as_json.
  • Added method get_metadata as_dict.
  • Added method to return all available vlans.
  • Added method to return a specific interface by id.
  • Added pre-install napps method.
  • Added a better introduction of dev and admin guides.
  • Better handling of active/enabled in Switch/Interface/Links entities.

Changed

  • Better handling of broken napps.
  • Refactored load_napps method.
  • Refactored get_time to return a datetime with UTC
  • Migrated event handler threads to the main asyncio loop.
  • Improve documentation to use kytos sphinx theme.

Fixed

  • Some documentation docstrings.

[2018.1b2] - "dalva" beta2 - 2018-4-20

Added

  • Added str and repr methods for KytosEvent and Connection classes to be easy to see logging and debugging information.
  • Added web/update/<version>/ endpoint to update Kytos Web Interface with a specific version.
  • Added asyncio support in tcp server and controller. API Server, ipython, event handlers and event notifications are still running on separate threads.

Changed

  • Changed the components name provided by Kytos NApps to use the pattern: {username}-{nappname}-{component-section}-{filename}

Fixed

  • Fixed some docstrings and comments

[2018.1b1] - "dalva" beta1 - 2018-3-09

Added

  • Added some new blueprints (EP012, EP013 and EP014)
  • Now, we have few Entities inside the core (Switch, Interface and Link)
  • Each Entity has metadata attribute (a dict)
  • Added link attribute to the Interface class
  • GenericEntity itself was added in this version also
  • Added 'active' and 'enable' flags to GenericEntity (EP013)
  • Added 'enable'/'disable' methods to child GenericEntity classes (EP013).
  • Define available_tags according to link's interfaces.
  • Endpoint ('/ui/all') to display a json with all napps ui components.
  • Endpoint ('/ui/<path:filename>') to get file with a specific napp component.
  • Now, kytosd is a python module, to make it easy to run with asyncio on the future;
  • This pre-release implements EP013 and EP014 as discussed on our last Kytos Dev Meeting.

Changed

  • Moved Interface class to interface.py file
  • Small refactor of Switch class.

Fixed

  • Some bug fixes

[2017.2] - "chico" - 2017-12-21

Changed

  • Web User Interface totally updated, with new design and functionality:
    • Visual elements reorganized for better experience.
    • Better information about switches and interfaces in the network.
    • Extending interface functionalities became easier.

[2017.2b2] - "chico" beta2 - 2017-12-01

Added

  • @rest decorator can also be used before @classmethod or @staticmethod.
  • Remove napp endpoints when a napp is disabled.
  • TCP Server OpenFlow known ports.
  • Config to allow other personalized protocol names on TCP Server.
  • NNI and UNI attributes to Interface class.
  • Interfaces to Switch json output.
  • Statistics information for switch interfaces.
  • Allow cross origin resource sharing (CORS).
  • Now supports speed information from OF 1.3 switchs.
  • Generate Events for reconnected switches.

Changed

  • Dependency installation/update for devs: pip install -Ur requirements/dev.txt. To use cloned kytos repos as dependencies, reinstall those repos with pip install -e . in the end.
  • Event name for a new switch. From kytos/core.switches.new to kytos/core.switch.new.

Removed

  • Flow class from flow module. It was moved to kytos/of_core NApp.

Fixed

  • Some bug fixes in tests.
  • Several documentation fixes.
  • Several bug fixes.
  • Rest API prefix changed to "api/<username>/<nappname>".
  • Now displays bandwidth values as bytes.
  • Remove rest api endpoint when a NApp is disabled.
  • Correctly update interface state and manage interfaces for switches.
  • Some bug fixes.

[2017.2b1] - "chico" beta1 - 2017-09-19

Added

  • @rest decorator for REST API methods. Examples:
    • @rest('flow/<flow_id>') (only GET HTTP method by default);
    • @rest('flows/', methods=['GET', 'POST']).
  • Guide for developers in documentation.

Changed

  • Whole documentation updated.
  • API URLs renamed:
    • For NApps, the pattern is /api/<username>/<napp>/ + what is defined in @rest decorator;
    • Core endpoints starts with /api/kytos/core/. E.g. /kytos/config changed to /api/kytos/core/config.
  • Improved load/unload of NApps.
  • Requirements files updated and restructured.
  • Yala substitutes Pylama as the main linter checker.

Deprecated

  • Method register_rest_endpoint of Controller and APIServer in favor of @rest decorator.

Fixed

  • Some bug fixes in tests.
  • Several documentation fixes.
  • Several bug fixes.

[2017.1] - "bethania" - 2017-07-06

Added

  • NAppDirListener to manage (load/unload) NApps when they are enabled or disabled using kytos-utils.

Changed

  • Improved connection management.
  • Documentation updated and improved.
  • Improved setup process.

Fixed

  • Some bug fixes.

[2017.1b3] - "bethania" beta3 - 2017-06-16

Added

  • Endpoint to display kytos configuration ('/kytos/config/').
  • Setting to setup Kytos API Port on kytos.conf ('api_port' default to 8181).
  • Documentation Blueprints tree.

Changed

  • OpenFlow specific code moved to NApps: Kytos now acts as an all-purpose controller.
  • Log manager refactored
  • Improvements in the web interface style, layout and usability
  • Setup process now requires pip
  • Kytos documentation now shows a dropdown with each release documentation.

Fixed

  • Web interface: - Fixed memory and CPU usage
  • Now Kytos accepts to register different methods [POST, GET, etc] on the same endpoint.
  • Now it's possible to start kytos in debug mode using kytosd -D.
  • Removed documentation warnings.
  • Several bug fixes

[2017.1b2] - "bethania" beta2 - 2017-05-05

Added

  • Python bdist_wheel generation to make the install process via 'pip' easier and faster.
  • Lockfile (PID-file) creation to prevent multiple instances running at the same time.
  • Controller.restart method.
  • kytos/tryfirst docker image was created and added to dockerhub.
  • An improved console was added to execute python code when the controller is run in foreground.
  • Continuous Integration with Code Quality Score and test coverage. (for the Python files in the project).
  • Administration User Interface was moved to kytos, and it's accessible at port 8181 when kytos is running.
  • Blueprints were moved to kytos/docs/blueprints folder.

Changed

  • Updated requirements.txt.
  • Improvements in TCP Server:
    • Now makes sure the switch is fully connected before accepting data.
    • Makes sure the switch is still connected before sending any data.
    • Uses sendall() to make sure data is being correctly sent.
  • NApps module was refactored.
  • Improved 'clean' option of setup.py.
  • Improved tests and style checks for developers.
  • Kytos setup process improved, reading necessary metadata before installing.
  • Kytos core package was refactored.
  • Documentation updates.
  • NApp information is now obtained from kytos.json when loading a NApp.
  • Improved log management.

Deprecated

  • 'author' attribute, in the NApps context, was replaced by 'username' and will be removed in future releases.

Fixed

  • Friendly messages are now displayed when some exceptions are raised.
  • Kytos configuration is now loaded properly from kytos.conf
  • Several adjustments and bug fixes.

[2017.1b1] - "bethania" beta1 - 2017-03-24

Added

  • Data gathering from switches (i.e. interface speed)
  • REST endpoints (i.e. REST API status)
  • Sphinxs documentation

Changed

  • Controller stop/start improvement
  • Improved Controller's Rest API (using Flask)
  • Connections, interfaces and switches management improvement
  • Websocket to send logs to web interface
  • Improved log management
  • Corrections on setup and installation controller's code
  • Improved NApps management - uninstall, disable and unload
  • Improved controller's install and setup

[2016.1a1] - alpha1 - 2016-09-11

Added

  • Bootstrapped initial architechture
  • Kytos Events managing buffers and handlers
  • NApp handling (load/unload/start/shutdown)
  • TCPServer and TCPHandler
  • Added basic config class