From 9090702580947e969452cb1b30bb4901dac2ff6d Mon Sep 17 00:00:00 2001
From: Christian Dresel <freifunk@dresel.systems>
Date: Sat, 19 Dec 2020 11:01:56 +0100
Subject: [PATCH] packages/fff: Add package fff-mqtt-monitoring
MIME-Version: 1.0
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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          |  1 +
 src/packages/fff/fff-mqtt-monitoring/Makefile | 35 +++++++++++++++++++
 .../usr/lib/micron.d/fff-alfred-mqtt-proxy    |  1 +
 .../files/usr/sbin/alfred-mqtt-proxy          |  8 +++++
 4 files changed, 45 insertions(+)
 create mode 100644 src/packages/fff/fff-mqtt-monitoring/Makefile
 create mode 100644 src/packages/fff/fff-mqtt-monitoring/files/usr/lib/micron.d/fff-alfred-mqtt-proxy
 create mode 100755 src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/alfred-mqtt-proxy

diff --git a/src/packages/fff/fff-layer3/Makefile b/src/packages/fff/fff-layer3/Makefile
index ce3d2002..b441327d 100644
--- a/src/packages/fff/fff-layer3/Makefile
+++ b/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 \
diff --git a/src/packages/fff/fff-mqtt-monitoring/Makefile b/src/packages/fff/fff-mqtt-monitoring/Makefile
new file mode 100644
index 00000000..7ef991e5
--- /dev/null
+++ b/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))
diff --git a/src/packages/fff/fff-mqtt-monitoring/files/usr/lib/micron.d/fff-alfred-mqtt-proxy b/src/packages/fff/fff-mqtt-monitoring/files/usr/lib/micron.d/fff-alfred-mqtt-proxy
new file mode 100644
index 00000000..5c39a835
--- /dev/null
+++ b/src/packages/fff/fff-mqtt-monitoring/files/usr/lib/micron.d/fff-alfred-mqtt-proxy
@@ -0,0 +1 @@
+*/5 * * * * sleep $(/usr/bin/random 70 85); /usr/sbin/alfred-mqtt-proxy
diff --git a/src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/alfred-mqtt-proxy b/src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/alfred-mqtt-proxy
new file mode 100755
index 00000000..4f81b4ad
--- /dev/null
+++ b/src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/alfred-mqtt-proxy
@@ -0,0 +1,8 @@
+#!/bin/sh
+MACADDR=$(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
+