Added Python and Ruby spec validators.

Signed-off-by: dblock <dblock@amazon.com>

.cspell

@@ -134,6 +134,7 @@ Oversample
 performanceanalyzer
 permissionsinfo
 pipefail
+pipenv
 preconfigure
 preconfigured
 prefilter

.github/workflows/validate-spec-py.yml

@@ -0,0 +1,34 @@
+name: Validate Spec (Python)
+
+on: [pull_request,push]
+
+jobs:
+  validate-spec-py:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '20'
+
+      - name: Build
+        run: npm ci && npm run merge
+
+      - name: Set Up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install Dependencies
+        working-directory: tools/src/validate-spec-py
+        run: |
+          pip install --user pipenv
+          pipenv install
+
+      - name: Validate Spec
+        working-directory: tools/src/validate-spec-py
+        run: |
+          pipenv run python validate.py ../../../build/opensearch-openapi.yaml

.github/workflows/validate-spec-ruby.yml

@@ -0,0 +1,28 @@
+name: Validate Spec (Ruby)
+
+on: [pull_request,push]
+
+jobs:
+  validate-spec-ruby:
+    runs-on: ubuntu-latest
+    env:
+      BUNDLE_GEMFILE: ${{ github.workspace }}/tools/src/validate-spec-ruby/Gemfile
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '20'
+
+      - name: Build
+        run: npm ci && npm run merge
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'
+          bundler-cache: true
+
+      - name: Validate Spec
+        run: |

CHANGELOG.md

@@ -107,6 +107,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added API spec for `adjust_pure_negative` for bool queries ([#641](https://github.com/opensearch-project/opensearch-api-specification/pull/641))
 - Added a spec style checker [#620](https://github.com/opensearch-project/opensearch-api-specification/pull/620).
 - Added `remote_store` to node `Stats` ([#643](https://github.com/opensearch-project/opensearch-api-specification/pull/643))
+- Added Python and Ruby spec validators ([#646](https://github.com/opensearch-project/opensearch-api-specification/pull/646))
 
 ### Changed
 

DEVELOPER_GUIDE.md

@@ -26,7 +26,8 @@
     - [Comment on PR](#comment-on-pr)
     - [Test Tools (Unit)](#test-tools-unit)
     - [Test Tools (Integration)](#test-tools-integration)
-    - [Validate Spec](#validate-spec)
+    - [Validate Spec (Lint)](#validate-spec-lint)
+    - [Validate Spec (Python)](#validate-spec-python)
 <!-- TOC -->
 
 # Developer Guide
@@ -375,6 +376,10 @@ This workflow runs on PRs to invoke the [tools' unit tests](tools/tests), upload
 
 This workflow runs on PRs to invoke the [tools' integration tests](tools/tests) that require a running instance of OpenSearch to ensure there are no breakages in behavior.
 
-### [Validate Spec](.github/workflows/validate-spec.yml)
+### [Validate Spec (Lint)](.github/workflows/validate-spec-lint.yml)
 
 This workflow runs on PRs to invoke the [spec linter](#spec-linter) and ensure the multi-file spec is correct and follows the design guidelines.
+
+### [Validate Spec (Python)](.github/workflows/validate-spec-py.yml)
+
+This workflow runs on PRs to invoke the [Python openapi-spec-validator](https://pypi.org/project/openapi-spec-validator/) to ensure that the resulting spec can be loaded by Python tools.

tools/src/validate-spec-py/Pipfile

@@ -0,0 +1,12 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+openapi_spec_validator = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3"

tools/src/validate-spec-py/validate.py

@@ -0,0 +1,20 @@
+import sys
+
+from openapi_spec_validator import validate
+from openapi_spec_validator.readers import read_from_filename
+from openapi_spec_validator.validation.exceptions import OpenAPIValidationError
+
+if len(sys.argv) < 2:
+    print("syntax: validate.py [spec]")
+    exit(1)
+
+spec = sys.argv[1]
+print(f'Validating {spec} ...')
+
+spec_dict, base_uri = read_from_filename(spec)
+
+try:
+    validate(spec_dict)
+except OpenAPIValidationError as err:
+    print(err)
+    exit(2)

tools/src/validate-spec-ruby/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'openapi3_parser'

tools/src/validate-spec-ruby/Gemfile.lock

@@ -0,0 +1,16 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    commonmarker (0.23.10)
+    openapi3_parser (0.9.2)
+      commonmarker (~> 0.17)
+
+PLATFORMS
+  arm64-darwin-21
+  ruby
+
+DEPENDENCIES
+  openapi3_parser
+
+BUNDLED WITH
+   2.5.2

tools/src/validate-spec-ruby/validate.rb

@@ -0,0 +1,15 @@
+require 'openapi3_parser'
+
+raise "syntax: validate [spec]" unless ARGV.length >= 1
+
+spec = ARGV[0]
+puts "Validating #{spec} ..."
+
+parsed_spec = Openapi3Parser.load_file(spec)
+exit 0 if parsed_spec.valid?
+
+parsed_spec.errors.each do |error|
+  puts "#{error.context}: #{error}"
+end
+
+exit 1