mirror of
https://github.com/stylersnico/prtg_systemd_docker_http_push.git
synced 2026-06-04 16:08:37 +02:00
Evan Linde
49 lines
1.4 KiB
Bash
Executable File
49 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# PRTG Advanced Sensor script for systemd units
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#
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# Monitor whether systemd services and other systemd units are active.
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# Each unit to be monitored will be a channel under the sensor.
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# Unit types other than "service" must have a type suffix specified;
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# mount points (without a suffix) may also work to identify mount units.
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#
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# Requires: bash, systemctl
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#
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# Static list of unit names, for example: units=(sshd httpd firewalld)
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units=()
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# Expand the units list with unit names received on the command line
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units+=("${@}")
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exit_error(){
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printf "<prtg><error>1</error><text>%s</text></prtg>\n" "$1"
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exit 1
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}
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# Make sure we have all dependencies and at least one unit
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(which systemctl) > /dev/null 2>&1 || exit_error "Cannot find systemctl."
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[[ ${#units[@]} -gt 0 ]] || exit_error "No systemd units specified."
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# Define XML format string for unit status
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read -r -d '' UNIT_XML_FMT << 'EOF_UNIT_XML'
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<result>
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<channel>%s: %s</channel>
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<value>%d</value>
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<valuelookup>prtg.standardlookups.activeinactive.stateactiveok</valuelookup>
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</result>
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EOF_UNIT_XML
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# Make readings and print the XML-formatted results
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echo "<prtg>"
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for u in "${units[@]}"; do
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utype="${u##*.}"
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[[ "${u:0:1}" == "/" ]] && utype="mount"
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[[ "${u}" == "${utype}" ]] && utype="service"
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systemctl --quiet is-active "${u}" && v=1 || v=2
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printf "${UNIT_XML_FMT}\n" "${utype^}" "${u%.${utype}}" "${v}"
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done
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echo "</prtg>"
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exit 0
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