#!/usr/bin/env bash set -euf -o pipefail cd "$(dirname $0)" port="$((10000 + (RANDOM % 10000)))" tmpdir=$(mktemp -d /tmp/node_exporter_e2e_test.XXXXXX) skip_re="^(go_|node_exporter_|process_|node_textfile_mtime)" keep=0; update=0; verbose=0 while getopts 'hkuv' opt do case "$opt" in k) keep=1 ;; u) update=1 ;; v) verbose=1 set -x ;; *) echo "Usage: $0 [-k] [-u] [-v]" echo " -k: keep temporary files and leave node_exporter running" echo " -u: update fixture" echo " -v: verbose output" exit 1 ;; esac done if [ ! -x ./node_exporter ] then echo './node_exporter not found. Consider running `go build` first.' >&2 exit 1 fi ./node_exporter \ -collector.procfs="collector/fixtures/proc" \ -collector.sysfs="collector/fixtures/sys" \ -collectors.enabled="conntrack,diskstats,entropy,filefd,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,bonding,megacli" \ -collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \ -collector.megacli.command="collector/fixtures/megacli" \ -web.listen-address "127.0.0.1:${port}" \ -log.level="debug" > "${tmpdir}/node_exporter.log" 2>&1 & echo $! > "${tmpdir}/node_exporter.pid" finish() { if [ ${verbose} -ne 0 ] then echo "LOG =====================" cat "${tmpdir}/node_exporter.log" echo "=========================" 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 which curl > /dev/null 2>&1 then curl -s -f "$@" elif which wget > /dev/null 2>&1 then wget -O - "$@" else echo "Neither curl nor wget found" exit 1 fi } sleep 1 get "127.0.0.1:${port}/metrics" > "${tmpdir}/e2e-output.txt" diff -u \ <(grep -E -v "${skip_re}" "collector/fixtures/e2e-output.txt") \ <(grep -E -v "${skip_re}" "${tmpdir}/e2e-output.txt")