oasdiff-action

GitHub actions for comparing OpenAPI specs and detect breaking changes, based on oasdiff tool

How to use?

Depending on your use case, refer below for instructions on generating reports for differences, breaking changes and changelog.

Generate a diff report

Copy and paste the following snippet into your build .yml file:

- name: Running OpenAPI Spec diff action
  uses: oasdiff/oasdiff-action/diff@main
  with:
    base: 'specs/base.yaml'
    revision: 'specs/revision.yaml'

This action supports additional arguments. Most are converted to parameters for the oasdiff CLI.

CLI	Action input	Default
--fail-on-diff	fail-on-diff	false
--format	format	yaml
--include-path-params	include-path-params	false
--exclude-elements	exclude-elements	''
--composed	composed	false
N/A	output-to-file	''

Check for breaking API changes, and fail if any are found

Copy and paste the following snippet into your build .yml file:

- name: Running OpenAPI Spec diff action
  uses: oasdiff/oasdiff-action/breaking@main
  with:
    base: https://raw.githubusercontent.com/Tufin/oasdiff/main/data/openapi-test1.yaml
    revision: https://raw.githubusercontent.com/Tufin/oasdiff/main/data/openapi-test3.yaml

Additional arguments:

CLI	Action input	Default
--fail-on WARN	fail-on-diff	true
--include-checks	include-checks	csv
--include-path-params	include-path-params	false
--deprecation-days-beta	deprecation-days-beta	31
--deprecation-days-stable	deprecation-days-stable	180
--exclude-elements	exclude-elements	''
--composed	composed	false
N/A	output-to-file	''

This action delivers a summary of breaking changes, accessible as a GitHub step output named breaking.

Generate a changelog

Copy and paste the following snippet into your build .yml file:

- name: Running OpenAPI Spec diff action
  uses: oasdiff/oasdiff-action/changelog@main
  with:
    base: https://raw.githubusercontent.com/Tufin/oasdiff/main/data/openapi-test1.yaml
    revision: https://raw.githubusercontent.com/Tufin/oasdiff/main/data/openapi-test3.yaml

Additional arguments:

CLI	Action input	Default
--include-path-params	include-path-params	false
--exclude-elements	exclude-elements	''
--composed	composed	false
N/A	output-to-file	''