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#!/bin/bash
# set the host to connect to
if [ ! -z "$1" ]
then
host="$1"
else
host="http://127.0.0.1:19999"
fi
echo "using netdata server at: $host"
charts=($(curl "$host/netdata.conf" 2>/dev/null | grep "^\[" | cut -d '[' -f 2 | cut -d ']' -f 1 | grep -v ^global$ | grep -v "^plugin" | sort -u))
if [ "${#charts[@]}" -eq 0 ]
then
echo "Cannot download charts from server: $host"
exit 1
fi
update_every="$(curl "$host/netdata.conf" 2>/dev/null | grep "update every = " | head -n 1 | cut -d '=' -f 2)"
[ $(( update_every + 1 - 1)) -eq 0 ] && update_every=1
entries="$(curl "$host/netdata.conf" 2>/dev/null | grep "history = " | head -n 1 | cut -d '=' -f 2)"
[ $(( entries + 1 - 1)) -eq 0 ] && entries=3600
# to compare equal things, set the entries to 3600 max
[ $entries -gt 3600 ] && entries=3600
if [ $entries -ne 3600 ]
then
echo >&2 "You are running a test for a history of $entries entries."
fi
modes=("average" "max")
formats=("jsonp" "json" "ssv" "csv" "datatable" "datasource" "tsv" "ssvcomma" "html" "array")
options="flip|jsonwrap"
now=$(date +%s)
first=$((now - (entries * update_every)))
duration=$((now - first))
file="$(mktemp /tmp/netdata-stress-XXXXXXXX)"
cleanup() {
echo "cleanup"
[ -f $file ] && rm $file
}
trap cleanup EXIT
while [ 1 = 1 ]
do
echo "curl --compressed --keepalive-time 120 --header \"Connection: keep-alive\" \\" >$file
for x in {1..100}
do
dt=$((RANDOM * duration / 32767))
st=$((RANDOM * duration / 32767))
et=$(( st + dt ))
[ $et -gt $now ] && st=$(( now - dt ))
points=$((RANDOM * 2000 / 32767 + 2))
st=$((first + st))
et=$((first + et))
mode=$((RANDOM * ${#modes[@]} / 32767))
mode="${modes[$mode]}"
chart=$((RANDOM * ${#charts[@]} / 32767))
chart="${charts[$chart]}"
format=$((RANDOM * ${#formats[@]} / 32767))
format="${formats[$format]}"
echo "--url \"$host/api/v1/data?chart=$chart&mode=$mode&format=$format&options=$options&after=$st&before=$et&points=$points\" \\"
done >>$file
bash $file >/dev/null
done
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