Add make help for Makefile

Add Help information for user in make command line.

Change-Id: Ic0a5ec5949dcc6462896721dfc1a482790d241af
Signed-off-by: Haitao Yue <hightall@me.com>

Makefile

@@ -1,3 +1,8 @@
+GREEN  := $(shell tput -Txterm setaf 2)
+WHITE  := $(shell tput -Txterm setaf 7)
+YELLOW := $(shell tput -Txterm setaf 3)
+RESET  := $(shell tput -Txterm sgr0)
+
 .PHONY: \
 	all \
 	check \
@@ -10,30 +15,46 @@
 
 all: check
 
-check:
+check: ##@Code Check code format
 	tox
 
-clean:
+clean: ##@Code Clean tox result
 	rm -rf .tox
 
 # Use like "make log service=dashboard"
-log:
+log: ##@Log tail special service log, Use like "make log service=dashboard"
 	docker-compose logs -f ${service} --tail=100
 
 logs:
 	docker-compose logs -f --tail=100
 
 # Use like "make redeploy service=dashboard"
-redeploy:
+redeploy: ##@Service Redeploy single service, Use like "make redeploy service=dashboard"
 	bash scripts/redeploy.sh ${service}
 
-start:
+start: ##@Service Start service
 	bash scripts/start.sh
 
-stop:
+stop: ##@Service Stop service
 	bash scripts/stop.sh
 
-restart: stop start
+restart: ##@Service Restart service
+	stop start
 
-setup:
+setup: ##@Environment Setup dependency for service environment
 	bash scripts/setup.sh
+
+HELP_FUN = \
+	%help; \
+	while(<>) { push @{$$help{$$2 // 'options'}}, [$$1, $$3] if /^([a-zA-Z\-]+)\s*:.*\#\#(?:@([a-zA-Z\-]+))?\s(.*)$$/ }; \
+	print "usage: make [target]\n\n"; \
+	for (sort keys %help) { \
+	print "${WHITE}$$_:${RESET}\n"; \
+	for (@{$$help{$$_}}) { \
+	$$sep = " " x (32 - length $$_->[0]); \
+	print "  ${YELLOW}$$_->[0]${RESET}$$sep${GREEN}$$_->[1]${RESET}\n"; \
+	}; \
+	print "\n"; }
+
+help: ##@other Show this help.
+	@perl -e '$(HELP_FUN)' $(MAKEFILE_LIST)