1 files changed, 83 insertions, 0 deletions
diff --git a/tests/stress.sh b/tests/stress.sh
new file mode 100755
index 00000000..97cced03
--- /dev/null
+++ b/tests/stress.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+if ! hash curl 2>/dev/null
+then
+	1>&2 echo "'curl' not found on system. Please install 'curl'."
+	exit 1
+fi
+
+# set the host to connect to
+if [ -n "$1" ]
+then
+	host="$1"
+else
+	host="http://127.0.0.1:19999"
+fi
+echo "using netdata server at: $host"
+
+# shellcheck disable=SC2207 disable=SC1117
+charts=($(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))
+if [ "${#charts[@]}" -eq 0 ]
+then
+	echo "Cannot download charts from server: $host"
+	exit 1
+fi
+
+update_every="$(curl -k "$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 -k "$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 "$file"
+}
+trap cleanup EXIT
+
+while true
+do
+	echo "curl -k --compressed --keepalive-time 120 --header \"Connection: keep-alive\" \\" >"$file"
+	# shellcheck disable=SC2034
+	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