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Changelog

All notable changes to the pathfinder NApp will be documented in this file.

[UNRELEASED] - Under development

[2024.1.0] - 2024-07-23

Changed

  • Updated python environment installation from 3.9 to 3.11
  • Upgraded UI framework to Vue3

[2023.2.0] - 2024-02-16

Added

  • Added UI autocomplete for source and destination
  • Added not_ownership as a filter for pathfinding. Pass a list of strings of owners to filter out edges with any of the given owners.
  • Added not_ownership filter to main UI interface.

Changed

  • Changed UI k-accordion-item in best-path.kytos. Interfaces are displayed using their port names or names rather than address. Switches are rendered using node names or id rather than address.

[2023.1.0] - 2023-06-05

Added

  • POST /v3/ has replaced POST /v2/
  • POST /v3/ now validates its OpenAPI spec

Fixed

  • undesired_links links now filter upfront as a subgraph to still efficiently allow a lazy computation of k shortest (constrained) paths.

Removed

  • desired_links is no longer supported. If used to use desired_links you can try to parametrize it with a different constraint for instance undesired_links or with mandatory_metrics.
  • POST /v2/ has been removed
  • Removed on_links_metadata_changed and topology reconciliation

Changed

  • link metadata changes will be updated via kytos/topology.updated
  • on_topology_updated has been refactored to use dynamic_single to simplify ensuring FIFO event processing.

[2022.3.0] - 2022-12-15

Added

  • Subscribed to kytos/topology.topology_loaded to be more promptly responsive
  • Subscribed to kytos/topology.current
  • Updated on_links_metadata_changed to also try to reconciliate the topology

Fixed

  • Fixed undesired_links (logical OR) and desired_links (logical AND) filters.
  • Safe guards to discard graph topology older (out of order) events

General Information

  • @rest endpoints are now run by starlette/uvicorn instead of flask/werkzeug.

[2022.1.1] - 2022-02-02

Changed

  • Changed UI k-select links items description to try to use link.metadata.link_name

[2022.1.0] - 2022-01-25

Changed

  • Adapted update_nodes to only add if node.status is EntityStatus.UP
  • Adapted update_links to only add if link.status is EntityStatus.UP

[2.4.1] - 2022-01-21

Changed

  • Upgraded requirements
  • Updated README to refer to Kytos NG

[2.4.0] - 2021-12-20

Added

  • Subscribed to to kytos/topology.links.metadata.(added|removed) events to update the graph when computing the CSPF accordingly.

[2.3.0] - 2021-10-19

Changed

  • Changed setup.py run both unit and integration tests.
  • Bumped networkx to 2.5.1 to support spf_attribute.
  • Augmented shortest paths to compute lazily what is needed.
  • Updated openapi.yml spec accordingly to EP23-2
  • POST v2/ JSON response now includes both cost and metrics attributes, in addition to the hops attribute.
  • Added a basic validation support for the API until full spec validation is implemented.
  • Formatted changing files with black -l 79

Added

  • Implemented support for EP23-2, without breaking changes in the v2 API.
  • Added support for both mandatory_metrics and flexible_metrics to find constrained best paths based on user-specified network metric constraints.
  • Added support for spf_attribute in the API .
  • Added support for spf_max_paths in the API.
  • Added support for spf_max_path_cost in the API.
  • Added new UI filtering components accordingly.
  • Updated the UI to also support listing multiple best paths in the accordion list.

[2.2.4] - 2021-05-27

Changed

  • Changed setup.py to alert when a test fails on Travis.
  • Updated requirements/dev.txt file.

Fixed

  • Fixed a bug in parsing metadata of links (fix #64).

[2.2.3] - 2020-07-24

Added

  • Added support for automated tests and CI with Travis.
  • Added tags decorator to run tests by type and size.
  • Added unit tests, increasing coverage to 90%.

Changed

  • Improved documentation about NApp dependencies.
  • Changed tests structure to separate unit and integration tests.

Fixed

  • Fixed package install when creating symlinks.
  • Fixed hops addresses in openapi.yml.
  • Updated run.in to include networkx dependency

[2.2.2] - 2020-03-11

Added

  • Log error message when networkx package isn't installed.
  • Updated __init__.py file in tests folder to solve bug when running tests.

Fixed

  • Fixed Scrutinizer coverage error.
  • Fixed some linter issues.

[2.2.1] - 2019-03-15

Changed

  • Continuous integration enabled at scrutinizer.

Fixed

  • Improve code organization and fix some linter issues.

[2.2.0] - 2018-12-14

Fixed

  • Link status (active/inactive) now considered when creating the graph.

[2.1.1] - 2018-06-15

Fixed

  • Fixed pathfinder component to use k-toolbar-item.

[2.1.0] - 2018-04-20

Added

  • Implements Pathfinder ui.

Fixed

  • Fix optional parameters (api/kytos/pathfinder/v2): - parameter, undesired_links and desired_links must be optional.

[2.0.0] - 2018-03-09

Added

  • Support for filters in the output path list: - Desired links, which are required in the paths; - Undesired links, which cannot be in any path.

Changed

  • Code adapted to work with the new topology NApp output.