forked from freifunk-franken/firmware
Add json report generator script "report.sh"
This commit is contained in:
Marc René Schädler
Tim Niemeyer
parent
4e98822cd6
commit
a70fdddb57
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#!/bin/ash
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POSTPROC="$@"
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[ -n "$POSTPROC" ] || POSTPROC="cat -"
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# functions
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# prefixes all lines with a comma but the first one
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comma() {
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awk '{ if (NR >1) print ","$0; else print $0; }'
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}
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# counts clients via bridge
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# hardcoded interfaces br-mesh and wlan0 as they
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# are the same on all routers
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get_clients() {
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local COUNT=0
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local DEVNUMBER=
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DEVNUMBER=$(brctl showstp br-mesh |\
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grep -e "^wlan0 " |\
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cut -d" " -f2- | tr -d "()")
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if [ -n "$DEVNUMBER" ]; then
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COUNT=$(brctl showmacs br-mesh |\
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sed 's/[ \t]\+/ /g' |\
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grep -o -E "^ $DEVNUMBER [^ ]+ no" |\
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wc -l)
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fi
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echo $COUNT
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}
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# generate a json report compatible with libremap 1.0
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report() {
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# json
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echo "{"
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# use lowercase MAC addr from br-mesh interface as id
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local ID=$(ifconfig br-mesh |\
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grep -o -E "HWaddr[ ]+[0-9a-fA-F:]+" |\
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tr -s " " |\
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cut -d" " -f2 |\
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tr "ABCDEF" "abcdef")
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local HOSTNAME=$(cat /proc/sys/kernel/hostname)
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echo "\"_id\":\"${ID}\""
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echo ",\"api_rev\":1.0"
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echo ",\"type\":\"router\""
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echo ",\"hostname\":\"${HOSTNAME}\""
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# location
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# latitude and longitude are required!
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echo ",\"location\":{"
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local LATITUDE=$(uci get site.location.latitude)
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local LOGITUDE=$(uci get site.location.longitude)
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local ELEVATION=$(uci get site.location.elevation 2>/dev/null)
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echo "\"lat\":${LATITUDE}"
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echo ",\"lon\":${LOGITUDE}"
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echo ",\"ele\":${ELEVATION}"
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echo "}"
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# /location
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# aliases
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# each mac adresses identifies the router
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echo ",\"aliases\":["
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ip -o address show |\
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grep -o -E "link/ether [0-9a-fA-F:]+" |\
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tr -s " " |\
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cut -d" " -f2 |\
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sort -u |\
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tr "ABCDEF" "abcdef" |\
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awk '{print "{\"alias\":\""$0"\",\"type\":\"mac\"}"}' |\
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comma
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echo "]"
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# /aliases
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# links
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echo ",\"links\":["
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batctl o |\
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grep -o -E "^([0-9a-f]{2}:?)+[ ]+[0-9.]+s[ ]+\([ 0-9]+\)[ ]+([0-9a-f]{2}:?)+[ ]+\[[^]]+\]" |\
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tr -d "s()[]" |\
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tr -s " " |\
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tr "ABCDEF" "abcdef" |\
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awk '{
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if ($1 == $4) {
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type="unk"
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if ($5 ~ /wlan/) type="wlan"
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if ($5 ~ /eth/) type="eth"
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if ($5 ~ /VPN/) type="vpn"
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if ($5 ~ /vpn/) type="vpn"
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quality=sprintf("%.2f",$3/255)
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print "{\"alias\":\""$1"\",\"type\":\"mac\",\"quality\":"quality",\"attributes\":{\"type\":\""type"\"}}"
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}
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}' |\
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comma
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echo "]"
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# /links
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# attributes
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echo ",\"attributes\":{"
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# contact
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echo "\"contact\":{"
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local CONTACT=$(uci get site.contact.name 2>/dev/null)
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local EMAIL=$(uci get site.contact.email 2>/dev/null)
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local TELEPHONE=$(uci get site.contact.telephone 2>/dev/null)
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echo "\"name\":\"${CONTACT}\""
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echo ",\"email\":\"${EMAIL}\""
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echo ",\"telephone\":\"${TELEPHONE}\""
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echo "}"
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# /contact
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# site
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echo ",\"site\":{"
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local DIRECTION=$(uci get site.location.direction)
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local TAGS=$(uci get site.location.tags)
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echo "\"direction\":\"${DIRECTION}\""
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echo ",\"tags\":\"${TAGS}\""
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echo "}"
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# /site
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# system
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echo ",\"system\":{"
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local HARDWARE=$(uci get board.model.name)
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local FIRMWARE=$(cat /etc/*release |\
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grep "^FIRMWARE_VERSION=" |\
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cut -d= -f2 |\
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tr -d "'\"")
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local DISTIBUTION=$(cat /etc/*release |\
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grep "^DISTRIB_DESCRIPTION=" |\
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cut -d= -f2 |\
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tr -d "'\"")
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local LINUX=$(uname -r)
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local FASTD=$(fastd -v | cut -d" " -f2)
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local MEMORY=$(cat /proc/meminfo |\
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grep -e "MemTotal:" |\
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awk -F" " '{print $2}')
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echo "\"hardware\":\"$HARDWARE\""
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echo ",\"firmware\":\"$FIRMWARE\""
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echo ",\"distribution\":\"$DISTIBUTION\""
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echo ",\"linux\":\"$LINUX\""
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echo ",\"fastd\":\"$FASTD\""
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echo ",\"memory\":$MEMORY"
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echo "}"
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# /system
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# load
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echo ",\"load\":{"
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local CPU_LOAD=$(cat /proc/loadavg | cut -d" " -f2)
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local MEMORY_FREE=$(cat /proc/meminfo |\
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grep -e "MemFree:" |\
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awk -F" " '{print $2}')
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local MEMORY_BUFFERS=$(cat /proc/meminfo |\
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grep -e "Buffers:" |\
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awk -F" " '{print $2}')
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local MEMORY_LOAD=$(echo $MEMORY $MEMORY_FREE $MEMORY_BUFFERS |\
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awk '{printf "%.2f",(($1-$2-$3)/$1)}')
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local TRAFFIC_MESH=
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local TRAFFIC_WAN=
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if [ -f '/var/statistics/traffic' ]; then
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TRAFFIC_MESH=$(cat /var/statistics/traffic |\
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grep -e "^bat0 " |\
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awk '{ printf "[%.2f,%.2f]",$4/1024,$2/1024}')
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TRAFFIC_WAN=$(cat /var/statistics/traffic |\
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grep -E "^[^ ]*(VPN|vpn)[^ ]* " |\
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head -n1 |\
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awk '{ printf "[%.2f,%.2f]",$4/1024,$2/1024}')
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fi
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[ -n "$TRAFFIC_MESH" ] || TRAFFIC_MESH=[0,0]
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[ -n "$TRAFFIC_WAN" ] || TRAFFIC_WAN=[0,0]
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local CLIENTS=$(get_clients)
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echo "\"cpu\":$CPU_LOAD"
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echo ",\"memory\":$MEMORY_LOAD"
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echo ",\"clients\":$CLIENTS"
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echo ",\"traffic\":{"
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echo "\"mesh\":"$TRAFFIC_MESH
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echo ",\"wan\":"$TRAFFIC_WAN
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echo "}"
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echo "}"
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# /load
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# internet
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# get data from selected or (if unavailable) best connected gw
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echo ",\"internet\":{"
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batctl gwl |\
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awk -F" " 'BEGIN {
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gateway_sel=""
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via_sel=""
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quality_sel=0
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}
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/Gateway/ { next }
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/No gateways/ { next }
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{
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sub("^=>", "1", $0)
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sub("^ ", "0", $0)
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sub(" *\\( *", " ", $0)
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sub(" *\\) *", " ", $0)
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sub(" *\\[ *", " ", $0)
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sub(" *\\]: *", " ", $0)
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quality=sprintf("%.2f",$3/255)
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if ($1 == 1) {
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gateway_sel=$2
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via_sel=$4
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quality_sel=quality
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exit
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} else if (quality > quality_sel) {
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gateway_sel=$2
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via_sel=$4
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quality_sel=quality
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}
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}
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END {
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print "\"alias\":\""gateway_sel"\""
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print ",\"type\":\"mac\""
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print ",\"quality\":"quality_sel
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print ",\"via\":{"
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print "\"alias\":\""via_sel"\""
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print ",\"type\":\"mac\""
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print "}"
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}'
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echo "}"
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# /gateway
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echo "}"
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# /attributes
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echo "}"
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# /json
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}
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report | $POSTPROC
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