rally-openstack/rally-jobs/extra/instance_test.sh
Alexander Maretskiy d54508de87 [Gates] Synchronize script instance_test.sh
Script rally-jobs/extra/instance_test.sh
is synchronized with samples/tasks/support/instance_test.sh
which has some improvements.

Change-Id: I8deaaefa4c68e3ff9835d4dab034e5aaeea13630
2016-10-11 12:28:01 +03:00

108 lines
2.7 KiB
Bash

#!/bin/sh
# Load server and output JSON results ready to be processed
# by Rally scenario
for ex in awk top grep free tr df dc dd gzip
do
if ! type ${ex} >/dev/null
then
echo "Executable is required by script but not available on a server: ${ex}" >&2
return 1
fi
done
get_used_cpu_percent() {
echo 100 $(top -b -n 1 | grep -i CPU | head -n 1 | awk '{print $8}' | tr -d %) - p | dc
}
get_used_ram_percent() {
local total=$(free | grep Mem: | awk '{print $2}')
local used=$(free | grep -- -/+\ buffers | awk '{print $3}')
echo ${used} 100 \* ${total} / p | dc
}
get_used_disk_percent() {
df -P / | grep -v Filesystem | awk '{print $5}' | tr -d %
}
get_seconds() {
(time -p ${1}) 2>&1 | awk '/real/{print $2}'
}
complete_load() {
local script_file=${LOAD_SCRIPT_FILE:-/tmp/load.sh}
local stop_file=${LOAD_STOP_FILE:-/tmp/load.stop}
local processes_num=${LOAD_PROCESSES_COUNT:-20}
local size=${LOAD_SIZE_MB:-5}
cat << EOF > ${script_file}
until test -e ${stop_file}
do dd if=/dev/urandom bs=1M count=${size} 2>/dev/null | gzip >/dev/null ; done
EOF
local sep
local cpu
local ram
local dis
rm -f ${stop_file}
for i in $(seq ${processes_num})
do
i=$((i-1))
sh ${script_file} &
cpu="${cpu}${sep}[${i}, $(get_used_cpu_percent)]"
ram="${ram}${sep}[${i}, $(get_used_ram_percent)]"
dis="${dis}${sep}[${i}, $(get_used_disk_percent)]"
sep=", "
done
> ${stop_file}
cat << EOF
{
"title": "Generate load by spawning processes",
"description": "Each process runs gzip for ${size}M urandom data in a loop",
"chart_plugin": "Lines",
"axis_label": "Number of processes",
"label": "Usage, %",
"data": [
["CPU", [${cpu}]],
["Memory", [${ram}]],
["Disk", [${dis}]]]
}
EOF
}
additive_dd() {
local c=${1:-50} # Megabytes
local file=/tmp/dd_test.img
local write=$(get_seconds "dd if=/dev/urandom of=${file} bs=1M count=${c}")
local read=$(get_seconds "dd if=${file} of=/dev/null bs=1M count=${c}")
local gzip=$(get_seconds "gzip ${file}")
rm ${file}.gz
cat << EOF
{
"title": "Write, read and gzip file",
"description": "Using file '${file}', size ${c}Mb.",
"chart_plugin": "StackedArea",
"data": [
["write_${c}M", ${write}],
["read_${c}M", ${read}],
["gzip_${c}M", ${gzip}]]
},
{
"title": "Statistics for write/read/gzip",
"chart_plugin": "StatsTable",
"data": [
["write_${c}M", ${write}],
["read_${c}M", ${read}],
["gzip_${c}M", ${gzip}]]
}
EOF
}
cat << EOF
{
"additive": [$(additive_dd)],
"complete": [$(complete_load)]
}
EOF