84 lines
2.2 KiB
Bash
Executable File
84 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-3.0-or-later
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if ! hash curl 2>/dev/null
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then
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1>&2 echo "'curl' not found on system. Please install 'curl'."
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exit 1
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fi
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# set the host to connect to
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if [ -n "$1" ]
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then
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host="$1"
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else
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host="http://127.0.0.1:19999"
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fi
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echo "using netdata server at: $host"
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# shellcheck disable=SC2207 disable=SC1117
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charts=($(curl -k "$host/netdata.conf" 2>/dev/null | grep "^\[" | cut -d '[' -f 2 | cut -d ']' -f 1 | grep -v ^global$ | grep -v "^plugin" | sort -u))
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if [ "${#charts[@]}" -eq 0 ]
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then
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echo "Cannot download charts from server: $host"
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exit 1
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fi
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update_every="$(curl -k "$host/netdata.conf" 2>/dev/null | grep "update every = " | head -n 1 | cut -d '=' -f 2)"
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[ $(( update_every + 1 - 1)) -eq 0 ] && update_every=1
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entries="$(curl -k "$host/netdata.conf" 2>/dev/null | grep "history = " | head -n 1 | cut -d '=' -f 2)"
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[ $(( entries + 1 - 1)) -eq 0 ] && entries=3600
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# to compare equal things, set the entries to 3600 max
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[ $entries -gt 3600 ] && entries=3600
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if [ $entries -ne 3600 ]
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then
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echo >&2 "You are running a test for a history of $entries entries."
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fi
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modes=("average" "max")
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formats=("jsonp" "json" "ssv" "csv" "datatable" "datasource" "tsv" "ssvcomma" "html" "array")
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options="flip|jsonwrap"
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now=$(date +%s)
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first=$((now - (entries * update_every)))
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duration=$((now - first))
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file="$(mktemp /tmp/netdata-stress-XXXXXXXX)"
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cleanup() {
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echo "cleanup"
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[ -f "$file" ] && rm "$file"
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}
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trap cleanup EXIT
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while true
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do
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echo "curl -k --compressed --keepalive-time 120 --header \"Connection: keep-alive\" \\" >"$file"
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# shellcheck disable=SC2034
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for x in {1..100}
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do
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dt=$((RANDOM * duration / 32767))
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st=$((RANDOM * duration / 32767))
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et=$(( st + dt ))
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[ $et -gt "$now" ] && st=$(( now - dt ))
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points=$((RANDOM * 2000 / 32767 + 2))
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st=$((first + st))
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et=$((first + et))
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mode=$((RANDOM * ${#modes[@]} / 32767))
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mode="${modes[$mode]}"
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chart=$((RANDOM * ${#charts[@]} / 32767))
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chart="${charts[$chart]}"
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format=$((RANDOM * ${#formats[@]} / 32767))
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format="${formats[$format]}"
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echo "--url \"$host/api/v1/data?chart=$chart&mode=$mode&format=$format&options=$options&after=$st&before=$et&points=$points\" \\"
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done >>"$file"
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bash "$file" >/dev/null
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done
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