ci: define matrix input using makefile output

Author: tdstein

.github/workflows/ci.yaml

@@ -34,35 +34,20 @@ jobs:
       - run: make dev
       - run: make test
 
+  define-integration-test-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      colors: ${{ steps.versions.outputs.versions }}
+    steps:
+        - run: |
+            echo 'versions=$(make -C ./integration print-versions)' >> "$GITHUB_OUTPUT"
+
   integration-test:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        CONNECT_VERSION:
-          - preview
-          - 2025.01.0
-          - 2024.12.0
-          - 2024.11.0
-          - 2024.09.0
-          - 2024.08.0
-          - 2024.06.0
-          - 2024.05.0
-          - 2024.04.1
-          - 2024.04.0
-          - 2024.03.0
-          - 2024.02.0
-          - 2024.01.0
-          - 2023.12.0
-          - 2023.10.0
-          - 2023.09.0
-          - 2023.07.0
-          - 2023.06.0
-          - 2023.05.0
-          - 2023.01.1
-          - 2023.01.0
-          - 2022.12.0
-          - 2022.11.0
+        CONNECT_VERSION: ${{ needs.define-integration-test-matrix.outputs.versions }}
     steps:
       - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v3

integration/Makefile

@@ -101,6 +101,9 @@ up-%: build
 	PYTEST_ARGS="$(PYTEST_ARGS)" \
 	$(DOCKER_COMPOSE) -p $(PROJECT_NAME)-$(subst .,-,$(CONNECT_VERSION)) up -V --abort-on-container-exit --no-build
 
+print-versions:
+	@echo $(CONNECT_VERSIONS)
+
 # Show help message.
 help:
 	@echo "Makefile Targets:"
@@ -111,6 +114,7 @@ help:
 	@echo "  up               Start Docker Compose for all Connect versions."
 	@echo "  down             Tear down Docker resources for all Connect versions."
 	@echo "  clean            Clean up the project directory."
+	@echo "  print-versions   Show the available Connect versions."
 	@echo "  help             Show this help message."
 	@echo
 	@echo "Common Usage:"