From f32faac646c5fd0c813f112b196f760517348d0b Mon Sep 17 00:00:00 2001
From: Stefan Riepenhausen <stefan.riepenhausen@chefkoch.de>
Date: Tue, 20 Dec 2022 15:27:50 +0100
Subject: [PATCH] add mandatory variables

---
 Makefile  | 14 +++++++++++++-
 docker.mk |  1 +
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 05b8d56..adf5f6b 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,19 @@ include make-deploy/helm.mk
 self-update:
 	@- git submodule update --remote
 
-deploy: build test upload pre-deploy pre-local pull start post-local post-deploy reload
+deploy: mandatory build test upload pre-deploy pre-local pull start post-local post-deploy reload
+
+mandatory:
+	@- echo "\n### mandatory check"
+ifndef MANDATORY-$(DEPLOY_TYPE)
+	$(error MANDATORY-$(DEPLOY_TYPE) is not defined)
+endif
+	@ $(foreach var,$(MANDATORY), \
+		if test -z "${$(var)}"; then \
+			echo "Missing mandatory variable: $(var)"; \
+			exit 1; \
+                fi; \
+	)
 
 build:
 ifneq (,$(wildcard build.sh))
diff --git a/docker.mk b/docker.mk
index 1b418ae..28144ff 100644
--- a/docker.mk
+++ b/docker.mk
@@ -1,3 +1,4 @@
+MANDATORY-compose = DEPLOY_HOSTS DEPLOY_TYPE TAG
 pull-compose:
 	@- echo "\n### pulling image(s)"
 	@- $(foreach host,$(DEPLOY_HOSTS), \