packages/fff: Add package fff-mqtt-monitoring

This package allows to publish monitoring data from alfred
to the mqtt broker.

Anyone can access this data and can build its own monitoring.

Signed-off-by: Christian Dresel <freifunk@dresel.systems>
Acked-by: Fabian Bläse <fabian@blaese.de>

src/packages/fff/fff-layer3/Makefile

@@ -15,6 +15,7 @@ define Package/fff-layer3
 	         +fff-boardname \
 	         +fff-dhcp \
 	         +fff-layer3-config \
+	         +fff-mqtt-monitoring \
 	         +fff-network \
 	         +fff-ra \
 	         +fff-wireguard \

src/packages/fff/fff-mqtt-monitoring/Makefile

@@ -0,0 +1,35 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fff-mqtt-monitoring
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/fff-mqtt-monitoring
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/fff-mqtt-monitoring
+	SECTION:=base
+	CATEGORY:=Freifunk
+	TITLE:=Freifunk-Franken mqtt configuration
+	URL:=https://www.freifunk-franken.de
+	DEPENDS:= \
+		+alfred-json \
+		+fff-mqtt \
+		+micrond \
+		+fff-alfred
+endef
+
+define Package/fff-mqtt-monitoring/description
+	This package send monitoring informations to
+	the mqtt broker
+endef
+
+define Build/Compile
+	# nothing
+endef
+
+define Package/fff-mqtt-monitoring/install
+	$(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,fff-mqtt-monitoring))

src/packages/fff/fff-mqtt-monitoring/files/usr/lib/micron.d/fff-alfred-mqtt-proxy

@@ -0,0 +1 @@
+*/5 * * * * sleep $(/usr/bin/random 70 85); /usr/sbin/alfred-mqtt-proxy

src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/alfred-mqtt-proxy

@@ -0,0 +1,8 @@
+#!/bin/sh
+MACADDR=$(cat /sys/class/net/br-client/address | /bin/sed 's/://g')
+
+fetch_id="64"
+if [ -n "$(uci -q get fff.mqtt.server)" ] ; then
+	mosquitto_pub -h "$(uci get fff.mqtt.server)" -p 1883 -t /monitoring/v1/$MACADDR -m "$(/bin/alfred-json -r "$fetch_id")"
+fi
+