Add version and commit labels to release manifests

Update build-installer target to accept VERSION_LABEL and GIT_SHA_LABEL parameters that add app.kubernetes.io/version and app.kubernetes.io/commit labels to all resources. Release workflow now passes version and git SHA to label all released manifests.

Author: creydr

.github/workflows/release.yml

@@ -101,7 +101,11 @@ jobs:
 
       - name: Generate installation manifest
         run: |
-          make build-installer IMG=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.full }}
+          GIT_SHA=$(git rev-parse --short HEAD)
+          make build-installer \
+            IMG=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.full }} \
+            VERSION_LABEL=${{ steps.version.outputs.full }} \
+            GIT_SHA_LABEL=${GIT_SHA}
           mv dist/install.yaml func-operator.yaml
 
       - name: Create GitHub Release

Makefile

@@ -209,7 +209,16 @@ docker-buildx: ## Build and push docker image for the manager for cross-platform
 build-installer: manifests generate kustomize ## Generate a consolidated YAML with CRDs and deployment.
 	mkdir -p dist
 	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	@if [ -n "$(VERSION_LABEL)" ]; then \
+		cd config/default && $(KUSTOMIZE) edit add label app.kubernetes.io/version:$(VERSION_LABEL) --force; \
+	fi
+	@if [ -n "$(GIT_SHA_LABEL)" ]; then \
+		cd config/default && $(KUSTOMIZE) edit add label app.kubernetes.io/commit:$(GIT_SHA_LABEL) --force; \
+	fi
 	$(KUSTOMIZE) build config/default > dist/install.yaml
+	@if [ -n "$(VERSION_LABEL)" ] || [ -n "$(GIT_SHA_LABEL)" ]; then \
+		cd config/default && git restore kustomization.yaml; \
+	fi
 
 ##@ Deployment