431 lines
12 KiB
Bash
431 lines
12 KiB
Bash
#!/bin/bash
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#%# family=auto
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#%# capabilities=autoconf
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# Michael Grote
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# Mail: michael.grote ät posteo.de
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# This plugin fetches multiple Values from a mikrotik device.
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# tested with a RB750GR3 and CRS309.
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# Dependencies:
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# - bc
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# - sshpass
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# A User is needed for this plugin to work:
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# /user add name=munin group=read password=hallowelt address=<munin-server-ip>
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# plugin config:
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# [mt_system_<name>]
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# user root
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# env.ssh_user munin
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# env.ssh_password hallowelt
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# env.ssh_host 192.168.2.1
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# setze Variablen mit default-Werten
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ssh_user=${ssh_user:-user}
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ssh_password=${ssh_password:-password}
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ssh_host=${ssh_host:-192.168.2.1}
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c=0 # zähler; wird für verschiedene Schleifen benötigt
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# Funktionen
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function get_name {
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while read -r line; do
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if echo "$line" | grep 'name:' > /dev/null; then
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name=$(echo "$line" | grep name: | awk '{ print $2 }')
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fi
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done <<< "$data"
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}
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function get_cpu_count {
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while read -r line; do
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if echo "$line" | grep 'cpu-count' > /dev/null; then
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anzahl_cpu=$(echo "$line" | grep cpu-count: | sed -r 's/(cpu-count: )([0-9]+)/\2/g' | tr -dc '0-9')
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fi
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done <<< "$data"
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}
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function check_sshpass {
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if [[ $(dpkg -l sshpass > /dev/null 2>&1) -ne "0" ]] ; then
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echo "could not find sshpass"
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exit 1
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fi
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}
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function check_bc {
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if [[ $(dpkg -l bc > /dev/null 2>&1) -ne "0" ]] ; then
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echo "could not find bc"
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exit 1
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fi
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}
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function get_data {
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# hole daten per ssh
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data=$(sshpass -p "$ssh_password" ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$ssh_user"@"$ssh_host" -q ':delay 6s; /system health print; /system resource print; /system resource cpu print; /system identity print')
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}
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function get_mem_total {
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mem_total=$(
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while read -r line; do
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echo "$line" | awk '/total-memory:/{ gsub(/MiB/,"",$2); print $2 }' | tr -dc '0-9.'
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done <<< "$data")
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}
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function get_mem_free {
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mem_free=$(
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while read -r line; do
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echo "$line" | awk '/free-memory:/{ gsub(/MiB/,"",$2); print $2 }' | tr -dc '0-9.'
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done <<< "$data")
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}
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function get_voltage_label {
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while read -r line; do # für jede zeile in... ; siehe "done"
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# gebe die zeile aus
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# suche mit awk nach "voltage:"
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# wenn gefunden:
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# gebe jede zeile per print text aus
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# externe/bash-variablen mit "'"<var>"'"
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echo "$line" | awk '/voltage:/{
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print "multigraph voltage_graph_""'"$name"'";
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print "graph_title voltage " "'"$name"'";
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print "graph_vlabel volt";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "voltage.label voltage";
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print "graph_info Input Voltage."
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}'
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done <<< "$data" # der variable data
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}
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function get_voltage_value {
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while read -r line; do
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# funktion wie bei den "label"-funktionen
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# gib überschrift aus wenn dirtyconfig nicht gesetzt ist
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# weil aufruf dann nicht in "config" erfolgt
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# wenn dirtyconfig nicht gesetzt ist oder =0, gebe überschrift aus
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo "$line" | awk '/voltage:/{
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print "multigraph voltage_graph_""'"$name"'";
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}'
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fi
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# entferne mit gsub das zeichen % in wert $2
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# gebe $2 aus
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echo "$line" | awk '/voltage:/{
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gsub(/V/,"",$2);
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print "voltage.value " $2
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}'
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done <<< "$data"
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}
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function get_bad_blocks_label {
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while read -r line; do
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echo "$line" | awk '/bad-blocks:/{
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print "multigraph bad_blocks_graph_""'"$name"'";
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print "graph_title bad blocks " "'"$name"'";
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print "graph_vlabel %";
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print "graph_category mikrotik";
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print "graph_args -l 0 --upper-limit 100";
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print "bad_blocks.label bad_blocks";
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print "bad_blocks.warning 50";
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print "bad_blocks.critical 90";
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print "graph_info Percentage of Bad Blocks."
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}'
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done <<< "$data"
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}
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function get_bad_blocks_value {
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while read -r line; do
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo "$line" | awk '/bad-blocks:/{
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print "multigraph bad_blocks_graph_""'"$name"'";
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}'
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fi
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echo "$line" | awk '/bad-blocks:/{
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gsub(/%/,"",$2);
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print "bad_blocks.value " $2
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}'
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done <<< "$data"
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}
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function get_write_sect_total_label {
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while read -r line; do
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echo "$line" | awk '/write-sect-total:/{
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print "multigraph write_sect_total_graph_""'"$name"'";
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print "graph_title Total sector writes " "'"$name"'";
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print "graph_vlabel count";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "write_sect_total.label write_sect_total";
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print "graph_info Total sector writes."
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}'
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done <<< "$data"
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}
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function get_write_sect_total_value {
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while read -r line; do
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo "$line" | awk '/write-sect-total:/{
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print "multigraph write_sect_total_graph_""'"$name"'";
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}'
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fi
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echo "$line" | awk '/write-sect-total:/{
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print "write_sect_total.value " $2
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}'
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done <<< "$data"
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}
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function get_write_sect_since_reboot_label {
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while read -r line; do
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echo "$line" | awk '/write-sect-since-reboot:/{
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print "multigraph write_sect_since_reboot_graph_""'"$name"'";
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print "graph_title Sector writes since reboot " "'"$name"'";
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print "graph_vlabel count";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "write_sect_since_reboot.label write_sect_since_reboot";
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print "graph_info Total Sector writes since last reboot."
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}'
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done <<< "$data"
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}
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function get_write_sect_since_reboot_value {
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while read -r line; do
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo "$line" | awk '/write-sect-since-reboot:/{
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print "multigraph write_sect_since_reboot_graph_""'"$name"'";
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}'
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fi
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echo "$line" | awk '/write-sect-since-reboot:/{
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print "write_sect_since_reboot.value " $2
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}'
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done <<< "$data"
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}
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function get_temperature_label {
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while read -r line; do
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echo "$line" | awk '/temperature:/{
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print "multigraph temperature_graph_""'"$name"'";
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print "graph_title temperature " "'"$name"'";
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print "graph_vlabel °C";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "temperature.label cpu temperature";
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print "temperature.warning 75";
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print "temperature.critical 90"
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}'
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done <<< "$data"
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}
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function get_temperature_value {
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while read -r line; do
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo "$line" | awk '/temperature:/{
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print "multigraph temperature_graph_""'"$name"'";
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}'
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fi
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echo "$line" | awk '/temperature:/{
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gsub(/C/,"",$2);
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print "temperature.value " $2
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}'
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done <<< "$data"
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}
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function get_cpu_label {
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echo multigraph cpu_load_graph_"$name"
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echo graph_title cpu load "$name"
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echo graph_vlabel %
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echo graph_category mikrotik
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echo graph_args -l 0 --upper-limit 100
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echo cpu_total.label total load
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echo cpu_total.warning 75
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echo cpu_total.critical 90
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echo graph_info Total CPU Load and Load, IRQ and Disk per Core.
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while [ "$c" -lt "$anzahl_cpu" ]; do
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while read -r line; do
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echo "$line" | grep cpu$c | awk '{
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print "cpu"'"$c"'"_load.label " "cpu" "'"$c"'" " load"
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print "cpu"'"$c"'"_irq.label " "cpu" "'"$c"'" " irq"
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print "cpu"'"$c"'"_disk.label " "cpu" "'"$c"'" " disk"
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}'
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done <<< "$data"
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c=$(( c + 1 ))
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done
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}
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function get_cpu_value {
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo multigraph cpu_load_graph_"$name"
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fi
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while read -r line; do
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echo "$line" | awk '/cpu-load:/{
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gsub(/%/,"",$2);
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print "cpu_total.value " $2
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}'
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done <<< "$data"
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c=0
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while [ "$c" -lt "$anzahl_cpu" ]; do
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while read -r line; do
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echo "$line" | grep cpu$c | awk '{
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gsub(/%/,"",$3);
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gsub(/%/,"",$4);
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gsub(/%/,"",$5);
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print "cpu"'"$c"'"_load.value " $3
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print "cpu"'"$c"'"_irq.value " $4
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print "cpu"'"$c"'"_disk.value " $5
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}'
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done <<< "$data"
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c=$(( c + 1 ))
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done
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}
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function get_memory_label {
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get_mem_total
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get_mem_free
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while read -r line; do
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echo "$line" | awk '/free-memory:/{
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print "multigraph memory_graph_""'"$name"'";
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print "graph_title memory " "'"$name"'";
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print "graph_vlabel MiB";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "total_memory.label total memory";
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print "used_memory.label used memory";
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print "free_memory.label free memory";
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print "graph_info Total, Used & free RAM.";
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gsub(/MiB/,"",$2);
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print "used_memory.critical " $2*0.9;
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print "used_memory.warning " $2*0.7 }'
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done <<< "$data"
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}
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function get_memory_value {
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get_mem_total
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get_mem_free
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo multigraph memory_"$name"
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fi
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while read -r line; do
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echo "$line" | awk '/total-memory:/{
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gsub(/MiB/,"",$2);
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print "total_memory.value " $2
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}'
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done <<< "$data"
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while read -r line; do
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echo "$line" | awk '/free-memory:/{
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gsub(/MiB/,"",$2);
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print "free_memory.value " $2
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}'
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done <<< "$data"
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# berechne used-memory
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# gesamt + frei = benutzt
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echo used_memory.value "$(echo "$mem_total"-"$mem_free" | bc)"
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}
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function get_disk_label {
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while read -r line; do
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echo "$line" | awk '/free-hdd-space:/{
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print "multigraph disk_graph_""'"$name"'";
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print "graph_title disk " "'"$name"'";
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print "graph_vlabel KiB";
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print "graph_category mikrotik";
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print "graph_args -l 0";
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print "total_disk.label total disk space";
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print "free_disk.label free disk space";
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print "graph_info Total & free disk space."}'
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done <<< "$data"
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}
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function get_disk_value {
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "0" ] || [ -z "$MUNIN_CAP_DIRTYCONFIG" ]; then
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echo multigraph disk_"$name"
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fi
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while read -r line; do
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echo "$line" | grep KiB | awk '/free-hdd-space:/ {
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gsub(/KiB/,"",$2)
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print "free_disk.value " $2 }'
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echo "$line" | grep MiB | awk '/free-hdd-space:/ {
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gsub(/MiB/,"",$2)
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print "free_disk.value " $2*1024}'
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echo "$line" | grep KiB | awk '/total-hdd-space:/ {
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gsub(/KiB/,"",$2)
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print "total_disk.value " $2 }'
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echo "$line" | grep MiB | awk '/total-hdd-space:/ {
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gsub(/MiB/,"",$2)
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print "total_disk.value " $2*1024 }'
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done <<< "$data"
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}
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# rufe funktionen auf, reihenfolge ist wichtig
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check_sshpass
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check_bc
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get_data
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get_name
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get_cpu_count
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# munin-Logik
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# wenn $1 = X; dann
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if [ "$1" = "autoconf" ]; then
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echo yes
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exit 0
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fi
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if [ "$1" = "config" ]; then
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# gebe label aus
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# wenn dirtyconfig gesetzt rufe value funktion auf
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get_voltage_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_voltage_value
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fi
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get_bad_blocks_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_bad_blocks_value
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fi
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get_write_sect_total_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_write_sect_total_value
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fi
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get_write_sect_since_reboot_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_write_sect_since_reboot_value
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fi
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get_temperature_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_temperature_value
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fi
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get_cpu_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_cpu_value
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fi
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get_memory_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_memory_value
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fi
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get_disk_label
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if [ "$MUNIN_CAP_DIRTYCONFIG" = "1" ]; then
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get_disk_value
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fi
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exit 0
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fi
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# wird nie aufgerufen wenn dirtyconfig gesetzt ist
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# dann wird nur config aufgerufen und dabei werden zusätzlich die values ausgegeben
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get_voltage_value
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get_bad_blocks_value
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get_write_sect_total_value
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get_write_sect_since_reboot_value
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get_temperature_value
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get_cpu_value
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get_memory_value
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get_disk_value
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exit 0
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# Beispieloutput:
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# voltage: 24.5V
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# temperature: 46C
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# uptime: 1w6d17h12m25s
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# version: 6.48.4 (stable)
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# build-time: Aug/18/2021 06:43:27
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# factory-software: 6.46.3
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# free-memory: 209.9MiB
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# total-memory: 256.0MiB
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# cpu: MIPS 1004Kc V2.15
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# cpu-count: 4
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# cpu-frequency: 880MHz
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# cpu-load: 0%
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# free-hdd-space: 4760.0KiB
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# total-hdd-space: 16.3MiB
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# write-sect-since-reboot: 46412
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# write-sect-total: 62012
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# bad-blocks: 0%
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# architecture-name: mmips
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# board-name: hEX
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# platform: MikroTik
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# # CPU LOAD IRQ DISK
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# 0 cpu0 0% 0% 0%
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# 1 cpu1 1% 1% 0%
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# 2 cpu2 0% 0% 0%
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# 3 cpu3 1% 0% 0%
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# name: hEX
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