vesta/bin/v-update-sys-rrd-mem
2020-12-04 17:27:25 +05:00

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#!/bin/bash
# info: update memory rrd
# options: PERIOD
#
# The function is for updating memory rrd database and graphic.
#----------------------------------------------------------#
# Variable&Function #
#----------------------------------------------------------#
# Argument definition
period=${1-daily}
# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf
#----------------------------------------------------------#
# Action #
#----------------------------------------------------------#
# Switching on time period
case $period in
daily) start='-1d'; end='now'; grid='MINUTE:30:HOUR:1:HOUR:4:0:%H:%M';;
weekly) start='-7d'; end='now'; grid='HOUR:8:DAY:1:DAY:1:0:%a %d';;
monthly) start='-1m'; end='now'; grid='WEEK:1:WEEK:1:WEEK:1:0:%b %d';;
yearly) start='-1y'; end='now'; grid='MONTH:1:YEAR:1:MONTH:2:2419200:%b';;
*) exit $E_RRD ;;
esac
# Checking directory
if [ ! -d "$RRD/mem" ]; then
mkdir $RRD/mem
fi
# Checking database
if [ -e "$RRD/mem/mem.rrd" ]; then
rrd_check=$(rrdtool info $RRD/mem/mem.rrd |grep "FREE")
if [ -z "$rrd_check" ]; then
rm -f $RRD/mem/mem.rrd
fi
fi
if [ ! -e "$RRD/mem/mem.rrd" ]; then
# Adding database
rrdtool create $RRD/mem/mem.rrd --step $RRD_STEP \
DS:RAM:GAUGE:600:U:U \
DS:SWAP:GAUGE:600:U:U \
DS:FREE:GAUGE:600:U:U \
RRA:AVERAGE:0.5:1:600 \
RRA:AVERAGE:0.5:6:700 \
RRA:AVERAGE:0.5:24:775 \
RRA:AVERAGE:0.5:288:797 \
RRA:MAX:0.5:1:600 \
RRA:MAX:0.5:6:700 \
RRA:MAX:0.5:24:775 \
RRA:MAX:0.5:288:797
fi
# Parsing data
if [ "$period" = 'daily' ]; then
mem=$(free -m)
used=$(echo "$mem" |awk '(NR == 2)' |awk '{print $3}')
if [ -z "$(echo "$mem" | grep available)" ]; then
free=$(echo "$mem" |grep buff/cache |awk '{print $4}')
else
free=$(echo "$mem" |awk '(NR == 2)' |awk '{print $7}')
fi
swap=$(echo "$mem" |awk '(NR == 3)' |awk '{print $3}')
# Updating rrd
rrdtool update $RRD/mem/mem.rrd N:$used:$swap:$free
fi
# Updating rrd graph
rrdtool graph $RRD/mem/$period-mem.png \
--imgformat PNG \
--height="150" \
--width="670" \
--start "$start" \
--end "$end" \
--vertical-label "Mbytes" \
--x-grid "$grid" \
-c "BACK#ffffff" \
-c "SHADEA#ffffff" \
-c "SHADEB#ffffff" \
-c "FONT#555555" \
-c "CANVAS#302c2d" \
-c "GRID#666666" \
-c "MGRID#AAAAAA" \
-c "FRAME#302c2d" \
-c "ARROW#FFFFFF" \
DEF:used=$RRD/mem/mem.rrd:RAM:AVERAGE \
DEF:swap=$RRD/mem/mem.rrd:SWAP:AVERAGE \
DEF:free=$RRD/mem/mem.rrd:FREE:AVERAGE \
COMMENT:'\r' \
AREA:used#867995:"USED"\
GPRINT:used:'LAST: Current\:''%8.0lf' \
GPRINT:used:'MIN: Min\:''%8.0lf' \
GPRINT:used:'MAX: Max\:''%8.0lf\j' \
LINE1:free#1c74cd:"FREE" \
GPRINT:free:'LAST: Current\:''%8.0lf' \
GPRINT:free:'MIN: Min\:''%8.0lf' \
GPRINT:free:'MAX: Max\:''%8.0lf\j'\
LINE2:swap#f57900:"SWAP" \
GPRINT:swap:'LAST:Current\:''%8.0lf' \
GPRINT:swap:'MIN:Min\:''%8.0lf' \
GPRINT:swap:'MAX:Max\:''%8.0lf\j' &>/dev/null; result=$?
#----------------------------------------------------------#
# Vesta #
#----------------------------------------------------------#
if [ "$result" -ne 0 ]; then
exit $E_RRD
fi
exit