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|
#!/usr/bin/env bash
set -euf -o pipefail
collectors=$(cat << COLLECTORS
arp
bcache
buddyinfo
conntrack
cpu
diskstats
drbd
edac
entropy
filefd
hwmon
infiniband
ipvs
ksmd
loadavg
mdadm
meminfo
meminfo_numa
mountstats
netdev
netstat
nfs
qdisc
sockstat
stat
textfile
bonding
megacli
wifi
xfs
zfs
COLLECTORS
)
cd "$(dirname $0)"
port="$((10000 + (RANDOM % 10000)))"
tmpdir=$(mktemp -d /tmp/node_exporter_e2e_test.XXXXXX)
skip_re="^(go_|node_exporter_build_info|node_scrape_collector_duration_seconds|process_|node_textfile_mtime)"
keep=0; update=0; verbose=0
while getopts 'hkuv' opt
do
case "$opt" in
k)
keep=1
;;
u)
update=1
;;
v)
verbose=1
set -x
;;
*)
echo "Usage: $0 [-k] [-u] [-v]"
echo " -k: keep temporary files and leave node_exporter running"
echo " -u: update fixture"
echo " -v: verbose output"
exit 1
;;
esac
done
if [ ! -x ./node_exporter ]
then
echo './node_exporter not found. Consider running `go build` first.' >&2
exit 1
fi
./node_exporter \
-collector.procfs="collector/fixtures/proc" \
-collector.sysfs="collector/fixtures/sys" \
-collectors.enabled="$(echo ${collectors} | tr ' ' ',')" \
-collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \
-collector.megacli.command="collector/fixtures/megacli" \
-collector.wifi="collector/fixtures/wifi" \
-collector.qdisc="collector/fixtures/qdisc/" \
-web.listen-address "127.0.0.1:${port}" \
-log.level="debug" > "${tmpdir}/node_exporter.log" 2>&1 &
echo $! > "${tmpdir}/node_exporter.pid"
finish() {
if [ $? -ne 0 -o ${verbose} -ne 0 ]
then
cat << EOF >&2
LOG =====================
$(cat "${tmpdir}/node_exporter.log")
=========================
EOF
fi
if [ ${update} -ne 0 ]
then
cp "${tmpdir}/e2e-output.txt" "collector/fixtures/e2e-output.txt"
fi
if [ ${keep} -eq 0 ]
then
kill -9 "$(cat ${tmpdir}/node_exporter.pid)"
# This silences the "Killed" message
set +e
wait "$(cat ${tmpdir}/node_exporter.pid)" > /dev/null 2>&1
rm -rf "${tmpdir}"
fi
}
trap finish EXIT
get() {
if command -v curl > /dev/null 2>&1
then
curl -s -f "$@"
elif command -v wget > /dev/null 2>&1
then
wget -O - "$@"
else
echo "Neither curl nor wget found"
exit 1
fi
}
sleep 1
get "127.0.0.1:${port}/metrics" | grep -E -v "${skip_re}" > "${tmpdir}/e2e-output.txt"
diff -u \
"collector/fixtures/e2e-output.txt" \
"${tmpdir}/e2e-output.txt"
|
