94 lines
2.0 KiB
Bash
94 lines
2.0 KiB
Bash
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#!/bin/bash
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#
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#/
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#/ Usage:
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#/ check-systemctl-service.sh <unit-file>
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#/
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#/ Options:
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#/ -u, --user Check for running within current user
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#/
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#/ Checks if a systemd unit is active
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#/
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#/ Exit Codes:
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#/ 0 Everything OK
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#/ 2 Unit is not running
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#/ 3 Unknown status
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#/
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Usage() {
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grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=u
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LONGOPTS=user
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt's output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-u|--user)
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user='--user'
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shift 1
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;;
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--)
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shift
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break
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;;
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*)
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echo "SERVICE UNKNOWN - ${1} is not a valid parameter"
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exit 3
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;;
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esac
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done
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if [ -z ${1+x} ]; then
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echo "SERVICE UNKNOWN - Unitfile not given"
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exit 3
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else
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service=${1}
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fi
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}
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user=''
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service=''
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LC_NUMERIC="C"
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GetOptions "$@"
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if [[ $(systemctl ${user} list-unit-files "${service}*" | wc -l) -gt 3 ]]; then
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result=$(systemctl ${user} is-active ${service})
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else
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result='inexistent'
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fi
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if [[ $result == 'active' ]]; then
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rval=0
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rmsg="OK"
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elif [[ $result == 'inexistent' ]]; then
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rval=1
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rmsg="WARNING"
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else
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rval=2
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rmsg="CRITICAL"
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fi
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echo "SERIVCE ${rmsg} - Service $service $result"
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exit $rval
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