Make the template repo composable

.gitignore

@@ -8,4 +8,5 @@
 .vscode
 .DS_Store
 deprecated-*
-kubeconfig-*
+kubeconfig-*
+tmp

Makefile

@@ -1,3 +1,6 @@
+CLOUD_PROVIDER ?=
+VCS_PROVIDER ?=
+
 default: help
 
 .PHONY: help
@@ -15,3 +18,27 @@ validate: ## terraform validate
 		terraform -chdir=$$dir init -backend=false || exit 1; \
 		terraform -chdir=$$dir validate || exit 1; \
 	done
+
+.PHONY: generate
+generate:
+	@rm -Rf tmp
+	@mkdir tmp
+
+ifeq ($(CLOUD_PROVIDER), )
+	@echo "CLOUD_PROVIDER envvar must be set"
+	@exit 1
+endif
+
+ifeq ($(VCS_PROVIDER), )
+	@echo "VCS_PROVIDER envvar must be set"
+	@exit 1
+endif
+
+	@if ! test -d common/cloud/${CLOUD_PROVIDER}; then echo "Cannot find directory: common/cloud/${CLOUD_PROVIDER}" && exit 1; fi
+	@if ! test -d common/vcs/${VCS_PROVIDER}; then echo "Cannot find directory: common/vcs/${VCS_PROVIDER}" && exit 1; fi
+	@if ! test -d templates/${CLOUD_PROVIDER}-${VCS_PROVIDER}; then echo "Cannot find directory: templates/${CLOUD_PROVIDER}-${VCS_PROVIDER}" && exit 1; fi
+
+	@cp -r common/templates/* tmp
+	@cp -r common/cloud/${CLOUD_PROVIDER}/* tmp
+	@cp -r common/vcs/${VCS_PROVIDER}/* tmp
+	@cp -r templates/${CLOUD_PROVIDER}-${VCS_PROVIDER}/* tmp