build file based catalog

Author: Shai Levi

Makefile

@@ -42,6 +42,8 @@ YQ_VERSION = v4.44.1
 OPERATOR_NAME ?= self-node-remediation
 OPERATOR_NAMESPACE ?= openshift-workload-availability
 
+BLUE_ICON_PATH = "./config/assets/snr_icon_blue.png"
+
 # VERSION defines the project version for the bundle.
 # Update this value when you upgrade the version of your project.
 # To re-generate a bundle for another specific version without changing the standard setup, you can:
@@ -313,7 +315,7 @@ rm -rf $$TMP_DIR ;\
 }
 endef
 
-DEFAULT_ICON_BASE64 := $(shell base64 --wrap=0 ./config/assets/snr_icon_blue.png)
+DEFAULT_ICON_BASE64 := $(shell base64 --wrap=0 ${BLUE_ICON_PATH})
 export ICON_BASE64 ?= ${DEFAULT_ICON_BASE64}
 export CSV ?= "./bundle/manifests/$(OPERATOR_NAME).clusterserviceversion.yaml"
 .PHONY: bundle
@@ -455,15 +457,43 @@ ifeq (,$(wildcard $(OPM)))
 endif
 
 # Set CATALOG_BASE_IMG to an existing catalog image tag to add $BUNDLE_IMG to that image.
-ifneq ($(origin CATALOG_BASE_IMG), undefined)
-FROM_INDEX_OPT := --from-index $(CATALOG_BASE_IMG)
-endif
+# Build a file-based catalog image
+# https://docs.openshift.com/container-platform/4.14/operators/admin/olm-managing-custom-catalogs.html#olm-managing-custom-catalogs-fb
+# NOTE: CATALOG_DIR and CATALOG_DOCKERFILE items won't be deleted in case of recipe's failure
+CATALOG_DIR := catalog
+CATALOG_DOCKERFILE := ${CATALOG_DIR}.Dockerfile
+CATALOG_INDEX := $(CATALOG_DIR)/index.yaml
+
+.PHONY: add_channel_entry_for_the_bundle
+add_channel_entry_for_the_bundle:
+	@echo "---" >> ${CATALOG_INDEX}
+	@echo "schema: olm.channel" >> ${CATALOG_INDEX}
+	@echo "package: ${OPERATOR_NAME}" >> ${CATALOG_INDEX}
+	@echo "name: ${CHANNELS}" >> ${CATALOG_INDEX}
+	@echo "entries:" >> ${CATALOG_INDEX}
+	@echo "  - name: ${OPERATOR_NAME}.v${VERSION}" >> ${CATALOG_INDEX}
+
 # Build a catalog image by adding bundle images to an empty catalog using the operator package manager tool, 'opm'.
 # This recipe invokes 'opm' in 'semver' bundle add mode. For more information on add modes, see:
 # https://github.com/operator-framework/community-operators/blob/7f1438c/docs/packaging-operator.md#updating-your-existing-operator
 .PHONY: catalog-build
-catalog-build: opm ## Build a catalog image.
-	$(OPM) index add --container-tool docker --mode semver --tag $(CATALOG_IMG) --bundles $(BUNDLE_IMG) $(FROM_INDEX_OPT)
+catalog-build: opm ## Build a file-based catalog image.
+	# Remove the catalog directory and Dockerfile
+	-rm -r ${CATALOG_DIR} ${CATALOG_DOCKERFILE}
+	@mkdir -p ${CATALOG_DIR}
+	$(OPM) generate dockerfile ${CATALOG_DIR}
+	$(OPM) init ${OPERATOR_NAME} \
+		--default-channel=${CHANNELS} \
+		--description=./README.md \
+		--icon=${BLUE_ICON_PATH} \
+		--output yaml \
+		> ${CATALOG_INDEX}
+	$(OPM) render ${BUNDLE_IMG} --output yaml >> ${CATALOG_INDEX}
+	$(MAKE) add_channel_entry_for_the_bundle
+	$(OPM) validate ${CATALOG_DIR}
+	docker build . -f ${CATALOG_DOCKERFILE} -t ${CATALOG_IMG}
+	# Clean up the catalog directory and Dockerfile
+	rm -r ${CATALOG_DIR} ${CATALOG_DOCKERFILE}
 
 .PHONY: catalog-push
 catalog-push: ## Push a catalog image.