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