WIP/RFC: Add package s2nproxy

Layer 3 Router can monitor SNMP device and add this data to Nodewatcher.

example config:

/etc/config/s2nproxy

config s2nproxy 'SolarMuehlweg'
	option ip '10.50.141.130'
	option device 'airmaxac'

config s2nproxy 'mw2wk'
	option ip '10.50.141.132'
	option device 'airmaxac'

config s2nproxy 'omnitik'
	option ip '10.50.141.176'
	option device 'latenz'

Signed-off-by: Christian Dresel <freifunk@dresel.systems>
Co-authored-by: Dennis Eisold <mcules@freifunk-hassberge.de>
Signed-off-by: Dennis Eisold <mcules@freifunk-hassberge.de>
This commit is contained in:
Christian Dresel 2021-12-28 07:40:20 +01:00
parent c3cb53ebef
commit f7ca46aeda
3 changed files with 233 additions and 0 deletions

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include $(TOPDIR)/rules.mk
PKG_NAME:=fff-s2nproxy
PKG_RELEASE:=1
PKG_BUILD_DIR:=$(BUILD_DIR)/fff-mqtt
include $(INCLUDE_DIR)/package.mk
define Package/fff-s2nproxy
SECTION:=base
CATEGORY:=Freifunk
TITLE:=Freifunk-Franken snmp 2 nodewatcher proxy
URL:=https://www.freifunk-franken.de
DEPENDS:= \
+fff-nodewatcher \
+snmp-utils
endef
define Package/fff-s2nproxy/description
This package can be used to monitor snmp devices
endef
define Build/Compile
# nothing
endef
define Package/fff-s2nproxy/install
$(CP) ./files/* $(1)/
endef
$(eval $(call BuildPackage,fff-s2nproxy))

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#!/bin/sh
. /lib/functions.sh
# Example for /etc/config/s2nproxy
#
# config s2nproxy 'DEVICE_NAME'
# option ip 'IP_ADDRESS'
# option device 'DEVICE_TYPE'
# option community 'COMMUNITY'
# SNMP Walk
walk() {
community=$1
ip=$2
oid=$3
echo $(snmpwalk -O vQ -P e -L n -v 1 -c $community $ip $oid)
}
# Format the dirty mikrotik mac address result
format_mac() {
echo $(echo $1 | xargs | sed 's/^[[:blank:]]*//;s/[[:blank:]]*$//' | sed 's/\ /\:/g')
}
# Reset variables to empty
reset_variables() {
signal=""
capacity=""
latency=""
name=""
fw=""
hw=""
frequency=""
frequency2=""
mac=""
clients=""
remotemac=""
}
printf "<s2nproxy>"
s2np() {
if [ -z "$(uci -q get s2nproxy.$1.community)" ]; then
community="public"
else
community=$(uci get s2nproxy.$1.community)
fi
ip=$(uci get s2nproxy.$1.ip)
# Check if host is available
if ping -c 1 -W 1 $ip &> /dev/null ; then
# Switch throught device types
case "$(uci -q get s2nproxy.$1.device)" in
airmaxac)
# Ubiquity AirMAX Richtfunk
reset_variables
name=$(walk $community $ip "iso.3.6.1.2.1.1.5.0" | xargs)
mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.8)")
hw=$(walk $community $ip "iso.3.6.1.4.1.41112.1.4.1.1.9.1" | xargs)
signal=$(walk $community $ip "iso.3.6.1.4.1.41112.1.4.5.1.5")
capacity=$(walk $community $ip "iso.3.6.1.4.1.41112.1.4.5.1.10" / 1024)
capacity=$(printf %.2f "$((10**9 * $capacity / 1048576))e-9")
remotemac=$(format_mac "$(walk $community $ip iso.3.6.1.4.1.41112.1.4.5.1.4.1)")
echo "<interface>"
for OUTPUT in $(walk $community $ip 1.3.6.1.2.1.2.2.1.1)
do
portname=$(echo $(walk $community $ip iso.3.6.1.2.1.2.2.1.2.$OUTPUT) | sed 's/"//g')
traffic_rx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.10.$OUTPUT)
traffic_tx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.16.$OUTPUT)
printf "<$portname><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><port>$portname</port></$portname>"
done
echo "</interface>"
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><mac>$mac</mac><hw>$hw</hw><signal>$signal</signal><capacity>$capacity</capacity><latency>$latency</latency><remotemac>$remotemac</remotemac></$1>"
;;
mikrotikap)
# Mikrotik AP
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5 | xargs)
fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
hw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.9 | xargs)
frequency=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.3.1.7.1 | xargs)
frequency2=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.3.1.7.2 | xargs)
mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.1)")
clients=$(( $(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.3.1.6.1) + $(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.3.1.6.2) ))
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><mac>$mac</mac><fw>$fw</fw><hw>$hw</hw><frequency>$frequency</frequency><frequency2>$frequency2</frequency2><clients>$clients</clients></$1>"
;;
mikrotikw60grfap)
# Mikrotik 60GHz Richtfunk AP
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5 | xargs)
fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
hw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.9 | xargs)
signal=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.8.1)
capacity=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.13.1)
frequency=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.6.1)
mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.1)")
remotemac=$(format_mac "$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.5.1)")
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><mac>$mac</mac><fw>$fw</fw><hw>$hw</hw><signal>$signal</signal><capacity>$capacity</capacity><latency>$latency</latency><frequency>$frequency</frequency><remotemac>$remotemac</remotemac></$1>"
;;
mikrotikw60grfsta)
# Mikrotik 60GHz Richtfunk Station
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5 | xargs)
fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
hw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.9 | xargs)
signal=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.12.1)
capacity=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.13.1)
frequency=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.6.1)
mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.1)")
remotemac=$(format_mac "$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.5.1)")
echo "<interface>"
for OUTPUT in $(walk $community $ip 1.3.6.1.2.1.2.2.1.1)
do
portname=$(echo $(walk $community $ip iso.3.6.1.2.1.2.2.1.2.$OUTPUT) | sed 's/"//g')
traffic_rx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.10.$OUTPUT)
traffic_tx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.16.$OUTPUT)
printf "<$portname><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><port>$portname</port></$portname>"
done
echo "</interface>"
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><mac>$mac</mac><fw>$fw</fw><hw>$hw</hw><signal>$signal</signal><capacity>$capacity</capacity><latency>$latency</latency><frequency>$frequency</frequency><remotemac>$remotemac</remotemac></$1>"
;;
mikrotikw60gst)
# Mikrotik 60GHz Sektor
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5 | xargs)
fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
hw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.9 | xargs)
frequency=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.1.8.1.6.1)
mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.1)")
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><mac>$mac</mac><fw>$fw</fw><hw>$hw</hw><latency>$latency</latency><frequency>$frequency</frequency></$1>"
;;
latenz)
reset_variables
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><ip>$ip</ip><latency>$latency</latency></$1>"
;;
ciscoap)
# Cisco AP
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5 | xargs)
# fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
# hw=$(walk $community $ip 1.3.6.1.2.1.47.1.1.1.1.13.1 | xargs)
# frequency=$(walk $community $ip 1.3.6.1.4.1.9.9.607.1.1.2.1.6.1 | xargs) #channel
# frequency2=$(walk $community $ip 1.3.6.1.4.1.9.9.607.1.1.2.1.6.2 | xargs) #channel
# mac=$(format_mac "$(walk $community $ip 1.3.6.1.2.1.2.2.1.6.1)")
clients=$(( $(walk $community $ip 1.3.6.1.4.1.9.9.273.1.1.2.1.1.1) + $(walk $community $ip 1.3.6.1.4.1.9.9.273.1.1.2.1.1.2) ))
echo "<interface>"
for OUTPUT in $(walk $community $ip 1.3.6.1.2.1.2.2.1.1)
do
portname=$(echo $(walk $community $ip iso.3.6.1.2.1.2.2.1.2.$OUTPUT) | sed 's/"//g')
traffic_rx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.10.$OUTPUT)
traffic_tx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.16.$OUTPUT)
printf "<$portname><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><port>$portname</port></$portname>"
done
echo "</interface>"
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<$1><name>$name</name><ip>$ip</ip><clients>$clients</clients><latency>$latency</latency></$1>"
;;
switch)
# könnte für alle Switche gelten, getestet mit Netgear GS310TP
reset_variables
name=$(walk $community $ip 1.3.6.1.2.1.1.5.0 | xargs)
printf "<$1><name>$name</name>"
# fw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.7 | xargs)
# hw=$(walk $community $ip 1.3.6.1.4.1.14988.1.1.7.9 | xargs)
echo "<interface>"
for OUTPUT in $(walk $community $ip 1.3.6.1.2.1.2.2.1.1)
do
portname=$(echo $(walk $community $ip iso.3.6.1.2.1.2.2.1.2.$OUTPUT) | sed 's/"//g')
traffic_rx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.10.$OUTPUT)
traffic_tx=$(walk $community $ip 1.3.6.1.2.1.2.2.1.16.$OUTPUT)
printf "<$portname><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><port>$portname</port></$portname>"
done
echo "</interface>"
latency=$(ping -qc1 $ip 2>&1 | awk -F'/' 'END{ print (/^round-trip/? $4:"0") }')
printf "<latency>$latency</latency></$1>"
;;
esac
fi
}
config_load s2nproxy
config_foreach s2np s2nproxy
printf "</s2nproxy>"