1 files changed, 28 insertions, 12 deletions
diff --git a/dyndns.mk b/dyndns.mk
index 9ea751d..f8be9f7 100644
--- a/dyndns.mk
+++ b/dyndns.mk
@@ -1,11 +1,34 @@
-.PHONY: install_dyndns
-install_dyndns: /usr/local/bin/dyndns.sh ~/.config/dyndns/DIGITALOCEAN_TOKEN
+define install_dyndns_module_rule =
+.PHONY: install_dyndns_module_$(module)
+install_dyndns_module_$(module): $(if $(SUBDOMAIN_$(module)),/etc/periodic/daily/dyndns-$(SUBDOMAIN_$(module)).joeac.net install_dyndns)
+endef
 
-.PHONY: reinstall_dyndns
-reinstall_dyndns: /usr/local/bin/dyndns.sh ~/.config/dyndns/DIGITALOCEAN_TOKEN
+define reinstall_dyndns_module_rule =
+.PHONY: reinstall_dyndns_module_$(module)
+reinstall_dyndns_module_$(module): $(if $(SUBDOMAIN_$(module)),/etc/periodic/daily/dyndns-$(SUBDOMAIN_$(module)).joeac.net reinstall_dyndns)
+endef
+
+define uninstall_dyndns_module_rule =
+.PHONY: uninstall_dyndns_module_$(module)
+uninstall_dyndns_module_$(module):
+    $(if $(SUBDOMAIN_$(module)), \
+      rm -f /etc/periodic/daily/dyndns-$(SUBDOMAIN_$(module)).joeac.net
+    )
+endef
+
+$(foreach module,$(ALL_MODULES), $(eval $(install_dyndns_module_rule)))
+$(foreach module,$(ALL_MODULES), $(eval $(reinstall_dyndns_module_rule)))
+$(foreach module,$(ALL_MODULES), $(eval $(uninstall_dyndns_module_rule)))
+
+/etc/periodic/daily/dyndns-%joeac.net: /usr/local/bin/dyndns.sh ~/.config/dyndns/DIGITALOCEAN_TOKEN
+	echo "#!/bin/sh" > crontab.tmp
+	echo "                      /usr/local/bin/dyndns.sh 4 $(*F)joeac.net" >> crontab.tmp
+	echo "CONN_DEVICE_NAME=eth0 /usr/local/bin/dyndns.sh 6 $(*F)joeac.net" >> crontab.tmp
+	sudo mv crontab.tmp $@
+	sudo chmod +x $@
 
 .PHONY: uninstall_dyndns
-uninstall_dyndns:
+uninstall_dyndns: $(foreach module,$(ALL_MODULES),$(uninstall_dyndns_module_rule))
 	sudo rm -rf \
 		/usr/local/bin/dyndns.sh \
 		/usr/local/bin/get_ip_addr.sh \
@@ -29,10 +52,3 @@ uninstall_dyndns:
 	mkdir -p ~/.config/dyndns/
 	rm -f ~/.config/dyndns/DIGITALOCEAN_TOKEN
 	cp DIGITALOCEAN_TOKEN ~/.config/dyndns/DIGITALOCEAN_TOKEN
-
-/etc/periodic/daily/dyndns-%joeac.net: /usr/local/bin/dyndns.sh
-	echo "#!/bin/sh" > crontab.tmp
-	echo "                      /usr/local/bin/dyndns.sh 4 $(*F)joeac.net" >> crontab.tmp
-	echo "CONN_DEVICE_NAME=eth0 /usr/local/bin/dyndns.sh 6 $(*F)joeac.net" >> crontab.tmp
-	sudo mv crontab.tmp $@
-	sudo chmod +x $@