refactor: allows for a docker build if the building machine is arm (apple silicon)

Author: dimakis

Makefile

@@ -3,6 +3,7 @@ CAT_CMD=$(if $(filter $(OS),Windows_NT),type,cat)
 RELEASE_VER:=
 CURRENT_DIR=$(shell pwd)
 GIT_BRANCH:=$(shell git symbolic-ref --short HEAD 2>&1 | grep -v fatal)
+ARCH := $(shell uname -m)
 #define the GO_BUILD_ARGS if you need to pass additional arguments to the go build
 GO_BUILD_ARGS?=
 
@@ -76,16 +77,49 @@ ${BIN_DIR}/deepcopy-gen:
 	$(info Compiling deepcopy-gen...)
 	go build -o ${BIN_DIR}/deepcopy-gen ./cmd/deepcopy-gen/
 
+# Build the docker image and tag it.  
+# images: verify-tag-name generate-code update-deployment-crds
+#  	$(info List executable directory)
+#  	$(info repo id: ${git_repository_id})
+#  	$(info branch: ${GIT_BRANCH})
+#  	$(info Build the docker image)
+# 	ARCH := $(shell uname -m)
+#  	ifeq ($(ARCH),aarch64)
+#  		ifeq ($(strip $(GO_BUILD_ARGS)),)
+#  			docker buildx  build --quiet --no-cache --platform=linux/amd64 --tag mcad-controller:${TAG} -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
+#  		else 
+#  			docker buildx build --no-cache --platform=linux/amd64 --tag mcad-controller:${TAG} --build-arg GO_BUILD_ARGS=$(GO_BUILD_ARGS) -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
+#  		endif	
+#  	else
+#  		ifeq ($(strip $(GO_BUILD_ARGS)),)
+#  			docker build --quiet --no-cache --tag mcad-controller:${TAG} -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
+#  		else 
+#  			docker build --no-cache --tag mcad-controller:${TAG} --build-arg GO_BUILD_ARGS=$(GO_BUILD_ARGS) -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
+#  		endif	
+#  	endif
+
+
+# Build the docker image and tag it.  
 images: verify-tag-name generate-code update-deployment-crds
 	$(info List executable directory)
 	$(info repo id: ${git_repository_id})
 	$(info branch: ${GIT_BRANCH})
 	$(info Build the docker image)
-ifeq ($(strip $(GO_BUILD_ARGS)),)
-	docker build --quiet --no-cache --tag mcad-controller:${TAG} -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
-else 
-	docker build --no-cache --tag mcad-controller:${TAG} --build-arg GO_BUILD_ARGS=$(GO_BUILD_ARGS) -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}
-endif		
+	@HOST_ARCH=$$(uname -m); \
+	if [ "$$HOST_ARCH" = "aarch64" ]; then \
+		if [ "$(strip $(GO_BUILD_ARGS))" = "" ]; then \
+			docker buildx build --quiet --no-cache --platform=linux/amd64 --tag mcad-controller:${TAG} -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}; \
+		else \
+			docker buildx build --no-cache --platform=linux/amd64 --tag mcad-controller:${TAG} --build-arg GO_BUILD_ARGS=$(GO_BUILD_ARGS) -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}; \
+		fi \
+	else \
+		if [ "$(strip $(GO_BUILD_ARGS))" = "" ]; then \
+			docker build --quiet --no-cache --tag mcad-controller:${TAG} -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}; \
+		else \
+			docker build --no-cache --tag mcad-controller:${TAG} --build-arg GO_BUILD_ARGS=$(GO_BUILD_ARGS) -f ${CURRENT_DIR}/Dockerfile  ${CURRENT_DIR}; \
+		fi \
+	fi
+
 
 images-podman: verify-tag-name generate-code update-deployment-crds
 	$(info List executable directory)
@@ -158,4 +192,4 @@ ${DEPLOYMENT_CRD_DIR}/mcad.ibm.com_schedulingspecs.yaml : ${CRD_BASE_DIR}/mcad.i
 
 
 $(DEPLOYMENT_CRD_DIR)/%: ${CRD_BASE_DIR}/%
-	cp $< $@
+	cp $< $@