From 89fe0639a4050a31dbc263cb2eb590046a4383df Mon Sep 17 00:00:00 2001
From: "Costa Tsaousis (ktsaou)" <costa@tsaousis.gr>
Date: Mon, 7 Dec 2015 23:27:14 +0200
Subject: [PATCH] stress test for netdata server

---
 tests/stress.sh | 66 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 tests/stress.sh

diff --git a/tests/stress.sh b/tests/stress.sh
new file mode 100755
index 00000000..013ca70e
--- /dev/null
+++ b/tests/stress.sh
@@ -0,0 +1,66 @@
+#!/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)"
+[ $[ entries + 1 - 1] -eq 0 ] && entries=3600
+
+modes=("average" "max")
+formats=("jsonp" "json" "ssv" "csv" "datatable" "datasource" "tsv" "ssvcomma" "html" "array")
+options="flip|jsonwrap"
+
+now=$(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
-- 
2.39.2