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https://github.com/prometheus/node_exporter.git
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7c47338081
This test runs a selection of collectors against the fixtures and compares the output to a reference. The uname and filesystem collectors are disabled because they use system calls that cannot be fixtured easily.
92 lines
2 KiB
Bash
Executable file
92 lines
2 KiB
Bash
Executable file
#!/usr/bin/env bash
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set +euf +o pipefail
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cd "$(dirname $0)"
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port="$((10000 + (RANDOM % 10000)))"
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tmpdir=$(mktemp -d /tmp/node_exporter_e2e_test.XXXXXX)
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skip_re="^(go_|node_exporter_|process_|node_textfile_mtime)"
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keep=0; update=0; verbose=0
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while getopts 'hkuv' opt
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do
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case "$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: $0 [-k] [-u] [-v]"
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echo " -k: keep temporary files and leave node_exporter running"
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echo " -u: update fixture"
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echo " -v: verbose output"
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exit 1
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;;
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esac
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done
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./node_exporter \
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-collector.procfs="collector/fixtures/proc" \
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-collector.sysfs="collector/fixtures/sys" \
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-collectors.enabled="diskstats,filefd,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,bonding,megacli" \
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-collector.textfile.directory="collector/fixtures/textfile/two_metric_files/" \
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-collector.megacli.command="collector/fixtures/megacli" \
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-web.listen-address "127.0.0.1:${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 [ ${verbose} -ne 0 ]
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then
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echo "LOG ====================="
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cat "${tmpdir}/node_exporter.log"
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echo "========================="
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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" "collector/fixtures/e2e-output.txt"
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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 ${tmpdir}/node_exporter.pid)"
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# This silences the "Killed" message
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wait "$(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 which curl > /dev/null 2>&1
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then
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curl -s -f "$@"
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elif which wget > /dev/null 2>&1
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then
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wget -O - "$@"
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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:${port}/metrics" > "${tmpdir}/e2e-output.txt"
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diff -u \
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<(grep -E -v "${skip_re}" "collector/fixtures/e2e-output.txt") \
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<(grep -E -v "${skip_re}" "${tmpdir}/e2e-output.txt")
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