add prometheus-batadv-txtexport | THANKS hexa-

batman_adv/exporter.sls

+/usr/local/sbin/prometheus-batadv-txtexport:
+  file.managed:
+    - source: salt://batman_adv/files/prometheus-batadv-txtexport.sh
+    - mode: 0700
+
+/etc/systemd/system/prometheus-batadv-txtexport.service:
+  file.managed:
+    - source: salt://batman_adv/files/prometheus-batadv-txtexport.service
+    - mode: 0644
+
+/etc/systemd/system/prometheus-batadv-txtexport.timer:
+  file.managed:
+    - source: 
+      - salt://batman_adv/files/prometheus-batadv-txtexport.timer.{{ grains['oscodename'] }}
+      - salt://batman_adv/files/prometheus-batadv-txtexport.timer
+    - mode: 0644
+
+prometheus-batadv-txtexport.timer:
+  service.running:
+    - enable: True
+    - require:
+      - file: /usr/local/sbin/prometheus-batadv-txtexport
+      - file: /etc/systemd/system/prometheus-batadv-txtexport.service
+      - file: /etc/systemd/system/prometheus-batadv-txtexport.timer

batman_adv/files/prometheus-batadv-txtexport.service

+[Unit]
+Description=Export batman-adv metrics to be picked up by the prometheus-node-exporter
+
+[Service]
+ExecStart=/bin/sh -c "/usr/local/sbin/prometheus-batadv-txtexport > /var/run/prometheus-node-exporter/textfiles/batadv.prom"

batman_adv/files/prometheus-batadv-txtexport.sh

+#!/bin/sh
+
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+BATCTL=$(which batctl)
+
+for batdev in /sys/class/net/dom*-bat; do
+	test -d ${batdev} || exit 0
+	batdev=$(basename $batdev)
+	/sbin/ethtool -S ${batdev} | awk -v batdev=${batdev} '
+		/^     .*:/ {
+			gsub(":", "");
+			print "batman_" $1 "{batdev=\"" batdev "\"} " $2
+		}
+	'
+
+	echo "batman_originator_count{batdev=\"${batdev}\",selected=\"false\"}" $($BATCTL -m ${batdev} o | egrep '^   ' | wc -l)
+	echo "batman_originator_count{batdev=\"${batdev}\",selected=\"true\"}" $($BATCTL -m ${batdev} o | egrep '^ \*' | wc -l)
+	echo "batman_tg_count{batdev=\"${batdev}\",type=\"multicast\"}" $(($($BATCTL -m ${batdev} tg -m | wc -l)-2))
+	echo "batman_tg_count{batdev=\"${batdev}\",type=\"unicast\"}" $(($($BATCTL -m ${batdev} tg -u | wc -l)-2))
+done
+

batman_adv/files/prometheus-batadv-txtexport.timer

+[Unit]
+Wants=network-online.target
+After=network-online.target
+
+[Timer]
+OnCalendar=Minutely
+
+[Install]
+WantedBy=timers.target
+

batman_adv/init.sls

@@ -3,4 +3,5 @@ include:
   - kernel
   - batman_adv.kmod
   - batman_adv.batctl
+  - batman_adv.exporter
   - network.domains-batman-systemd