# ==============================================================================
# Makefile helper functions for docker image
#

DOCKER :=docker
DOCKER_SUPPORTED_API_VERSION ?=1.32

REGISTRY_PREFIX ?= docker.hgpark.cn/yfhub
BASE_IMAGE =  centos:centos8

EXTRA_ARGS ?= --no-cache
_DOCKER_BUILD_EXTRA_ARGS :=

# 镜像版本
TAG :=3.0
# 镜像私有仓库
REGISTRY :=harbor.sxidc.com/yfhub
# 镜像名称
NAME :=pcm
# 私有仓库镜像名称 必须是这种格式
IMAGE_NAME :=$(REGISTRY)/$(NAME)

ifdef HTTP_PROXY
_DOCKER_BUILD_EXTRA_ARGS += --build-arg HTTP_PROXY=${HTTP_PROXY}
endif

ifneq ($(EXTRA_ARGS), )
_DOCKER_BUILD_EXTRA_ARGS += $(EXTRA_ARGS)
endif

IMAGES_DIR ?= $(wildcard ${ROOT_DIR}/build/docker/*)
IMAGES ?= $(filter-out tools,$(foreach image,${IMAGES_DIR},$(notdir ${image})))

ifeq (${IMAGES},)
  $(error Could not determine IMAGES, set ROOT_DIR or run in source dir)
endif

.PHONY: image.verify
image.verify:
	$(eval API_VERSION := $(shell $(DOCKER) version | grep -E 'API version: {1,6}[0-9]' | head -n1 | awk '{print $$3} END { if (NR==0) print 0}' ))
	$(eval PASS := $(shell echo "$(API_VERSION) > $(DOCKER_SUPPORTED_API_VERSION)" | bc))
	@if [ $(PASS) -ne 1 ]; then \
		$(DOCKER) -v ;\
		echo "Unsupported docker version. Docker API version should be greater than $(DOCKER_SUPPORTED_API_VERSION)"; \
		exit 1; \
	fi

.PHONY: image.daemon.verify
image.daemon.verify:
	$(eval PASS := $(shell $(DOCKER) version | grep -q -E 'Experimental: {1,5}true' && echo 1 || echo 0))
	@if [ $(PASS) -ne 1 ]; then \
		echo "Experimental features of Docker daemon is not enabled. Please add \"experimental\": true in '/etc/docker/daemon.json' and then restart Docker daemon."; \
		exit 1; \
	fi

.PHONY: image.build
image.build: go.build.multiarch image.verify image.daemon.verify image.build.shell

.PHONY: image.build.shell # 这里写的比较糙。没有使用变量
image.build.shell:
	@cp $(OUTPUT_DIR)/platforms/linux/amd64/*  $(ROOT_DIR)/build/docker/pcm
	docker build   -t $(IMAGE_NAME) $(ROOT_DIR)/build/docker/pcm
	docker tag  $(IMAGE_NAME) $(IMAGE_NAME):$(TAG)
	docker push $(IMAGE_NAME):$(TAG)
	@ rm -rf  $(ROOT_DIR)/build/docker/pcm/pcm-server