| 1 | #!/bin/bash |
| 2 | # SPDX-License-Identifier: GPL-3.0-or-later |
| 3 | |
| 4 | if ! hash curl 2>/dev/null |
| 5 | then |
| 6 | 1>&2 echo "'curl' not found on system. Please install 'curl'." |
| 7 | exit 1 |
| 8 | fi |
| 9 | |
| 10 | # set the host to connect to |
| 11 | if [ -n "$1" ] |
| 12 | then |
| 13 | host="$1" |
| 14 | else |
| 15 | host="http://127.0.0.1:19999" |
| 16 | fi |
| 17 | echo "using netdata server at: $host" |
| 18 | |
| 19 | # shellcheck disable=SC2207 disable=SC1117 |
| 20 | charts=($(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)) |
| 21 | if [ "${#charts[@]}" -eq 0 ] |
| 22 | then |
| 23 | echo "Cannot download charts from server: $host" |
| 24 | exit 1 |
| 25 | fi |
| 26 | |
| 27 | update_every="$(curl -k "$host/netdata.conf" 2>/dev/null | grep "update every = " | head -n 1 | cut -d '=' -f 2)" |
| 28 | [ $(( update_every + 1 - 1)) -eq 0 ] && update_every=1 |
| 29 | |
| 30 | entries="$(curl -k "$host/netdata.conf" 2>/dev/null | grep "history = " | head -n 1 | cut -d '=' -f 2)" |
| 31 | [ $(( entries + 1 - 1)) -eq 0 ] && entries=3600 |
| 32 | |
| 33 | # to compare equal things, set the entries to 3600 max |
| 34 | [ $entries -gt 3600 ] && entries=3600 |
| 35 | |
| 36 | if [ $entries -ne 3600 ] |
| 37 | then |
| 38 | echo >&2 "You are running a test for a history of $entries entries." |
| 39 | fi |
| 40 | |
| 41 | modes=("average" "max") |
| 42 | formats=("jsonp" "json" "ssv" "csv" "datatable" "datasource" "tsv" "ssvcomma" "html" "array") |
| 43 | options="flip|jsonwrap" |
| 44 | |
| 45 | now=$(date +%s) |
| 46 | first=$((now - (entries * update_every))) |
| 47 | duration=$((now - first)) |
| 48 | |
| 49 | file="$(mktemp /tmp/netdata-stress-XXXXXXXX)" |
| 50 | cleanup() { |
| 51 | echo "cleanup" |
| 52 | [ -f "$file" ] && rm "$file" |
| 53 | } |
| 54 | trap cleanup EXIT |
| 55 | |
| 56 | while true |
| 57 | do |
| 58 | echo "curl -k --compressed --keepalive-time 120 --header \"Connection: keep-alive\" \\" >"$file" |
| 59 | # shellcheck disable=SC2034 |
| 60 | for x in {1..100} |
| 61 | do |
| 62 | dt=$((RANDOM * duration / 32767)) |
| 63 | st=$((RANDOM * duration / 32767)) |
| 64 | et=$(( st + dt )) |
| 65 | [ $et -gt "$now" ] && st=$(( now - dt )) |
| 66 | |
| 67 | points=$((RANDOM * 2000 / 32767 + 2)) |
| 68 | st=$((first + st)) |
| 69 | et=$((first + et)) |
| 70 | |
| 71 | mode=$((RANDOM * ${#modes[@]} / 32767)) |
| 72 | mode="${modes[$mode]}" |
| 73 | |
| 74 | chart=$((RANDOM * ${#charts[@]} / 32767)) |
| 75 | chart="${charts[$chart]}" |
| 76 | |
| 77 | format=$((RANDOM * ${#formats[@]} / 32767)) |
| 78 | format="${formats[$format]}" |
| 79 | |
| 80 | echo "--url \"$host/api/v1/data?chart=$chart&mode=$mode&format=$format&options=$options&after=$st&before=$et&points=$points\" \\" |
| 81 | done >>"$file" |
| 82 | bash "$file" >/dev/null |
| 83 | done |