ifdef DOCKER_LOGIN
MANDATORY = $(shell printenv MANDATORY) DOCKER_USER DOCKER_PASS DOCKER_REGISTRY
endif

ifndef DOCKER_LOGIN
DOCKER_LOGIN = 0
endif

pull-compose:
	@echo "\n### pulling image(s)"
	@$(foreach host,$(DEPLOY_HOSTS), \
		echo "#host: $(host)"; \
		if test "$(DOCKER_LOGIN)" -eq 1 ; \
		then \
			echo "\n#### perform docker login with user $(DOCKER_USER) on $(DOCKER_REGISTRY)"; \
			ssh $(SSH_USER)@$(host) "echo $(DOCKER_PASS) | docker login -u $(DOCKER_USER) --password-stdin $(DOCKER_REGISTRY)"; \
		fi; \
		if test -n "$(DOCKER_IMAGE)" ; \
		then \
			ssh $(SSH_USER)@$(host) "docker pull $(DOCKER_IMAGE)"; \
		fi; \
	)

start-compose:
	@echo "\n### starting service(s)"
	@$(foreach host,$(DEPLOY_HOSTS), \
		set -e; \
		echo "#host: $(host)"; \
		ssh $(SSH_USER)@$(host) "cd $(project_dir); docker-compose up -d"; \
		sleep $(DEPLOY_START_DELAY); \
		set +e; \
	)

logs-compose:
	@echo "\n### logs"
	@$(foreach host,$(DEPLOY_HOSTS), \
		set -e; \
		echo "#host: $(host)"; \
		ssh $(SSH_USER)@$(host) "cd $(project_dir); docker-compose logs -f $(service)"; \
		set +e; \
	)

restart-compose:
	@echo "\n### restarting service(s)"
	@$(foreach host,$(DEPLOY_HOSTS), \
		set -e; \
		echo "#host: $(host)"; \
		ssh $(SSH_USER)@$(host) "cd $(project_dir); docker-compose restart"; \
		sleep $(DEPLOY_START_DELAY); \
		set +e; \
	)