mirror of
https://github.com/prometheus/node_exporter.git
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499c342fed
Vmstat has over 100 fields, most of which are highly detailed debug information. Trim this down to only essential fields by default, configurable by flag. Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
152 lines
2.8 KiB
Bash
Executable File
152 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euf -o pipefail
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enabled_collectors=$(cat << COLLECTORS
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arp
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bcache
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buddyinfo
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conntrack
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cpu
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diskstats
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drbd
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edac
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entropy
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filefd
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hwmon
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infiniband
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interrupts
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ipvs
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ksmd
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loadavg
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mdadm
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meminfo
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meminfo_numa
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mountstats
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netdev
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netstat
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nfs
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nfsd
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qdisc
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sockstat
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stat
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textfile
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bonding
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vmstat
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wifi
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xfs
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zfs
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COLLECTORS
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)
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disabled_collectors=$(cat << COLLECTORS
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filesystem
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time
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timex
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uname
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COLLECTORS
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)
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cd "$(dirname $0)"
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port="$((10000 + (RANDOM % 10000)))"
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tmpdir=$(mktemp -d /tmp/node_exporter_e2e_test.XXXXXX)
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skip_re="^(go_|node_exporter_build_info|node_scrape_collector_duration_seconds|process_|node_textfile_mtime_seconds)"
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arch="$(uname -m)"
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case "${arch}" in
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ppc64le) fixture='collector/fixtures/e2e-ppc64le-output.txt' ;;
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*) fixture='collector/fixtures/e2e-output.txt' ;;
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esac
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keep=0; update=0; verbose=0
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while getopts 'hkuv' opt
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do
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case "$opt" in
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k)
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keep=1
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;;
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u)
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update=1
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;;
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v)
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verbose=1
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set -x
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;;
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*)
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echo "Usage: $0 [-k] [-u] [-v]"
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echo " -k: keep temporary files and leave node_exporter running"
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echo " -u: update fixture"
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echo " -v: verbose output"
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exit 1
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;;
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esac
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done
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if [ ! -x ./node_exporter ]
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then
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echo './node_exporter not found. Consider running `go build` first.' >&2
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exit 1
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fi
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./node_exporter \
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--path.procfs="collector/fixtures/proc" \
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--path.sysfs="collector/fixtures/sys" \
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$(for c in ${enabled_collectors}; do echo --collector.${c} ; done) \
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$(for c in ${disabled_collectors}; do echo --no-collector.${c} ; done) \
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--collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \
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--collector.wifi.fixtures="collector/fixtures/wifi" \
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--collector.qdisc.fixtures="collector/fixtures/qdisc/" \
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--web.listen-address "127.0.0.1:${port}" \
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--log.level="debug" > "${tmpdir}/node_exporter.log" 2>&1 &
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echo $! > "${tmpdir}/node_exporter.pid"
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finish() {
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if [ $? -ne 0 -o ${verbose} -ne 0 ]
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then
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cat << EOF >&2
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LOG =====================
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$(cat "${tmpdir}/node_exporter.log")
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=========================
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EOF
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fi
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if [ ${update} -ne 0 ]
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then
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cp "${tmpdir}/e2e-output.txt" "${fixture}"
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fi
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if [ ${keep} -eq 0 ]
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then
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kill -9 "$(cat ${tmpdir}/node_exporter.pid)"
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# This silences the "Killed" message
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set +e
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wait "$(cat ${tmpdir}/node_exporter.pid)" > /dev/null 2>&1
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rm -rf "${tmpdir}"
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fi
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}
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trap finish EXIT
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get() {
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if command -v curl > /dev/null 2>&1
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then
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curl -s -f "$@"
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elif command -v wget > /dev/null 2>&1
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then
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wget -O - "$@"
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else
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echo "Neither curl nor wget found"
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exit 1
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fi
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}
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sleep 1
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get "127.0.0.1:${port}/metrics" | grep -E -v "${skip_re}" > "${tmpdir}/e2e-output.txt"
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diff -u \
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"${fixture}" \
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"${tmpdir}/e2e-output.txt"
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