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Update check_service.sh #48

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21 changes: 14 additions & 7 deletions check_service.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ OK=0
WARNING=1
CRITICAL=2
UNKNOWN=3
GREP_AFTER=0

# Weather or not we can trust the exit code from the service management tool.
# Defaults to 0, put to 1 for systemd. Otherwise we must rely on parsing the
Expand Down Expand Up @@ -74,12 +75,11 @@ if [ "$OS" == null ]; then
fi
}



determine_service_tool() {
if [[ $OS == linux ]]; then
if command -v systemctl >/dev/null 2>&1; then
SERVICETOOL="systemctl status $SERVICE | grep -i Active"
SERVICETOOL="systemctl status $SERVICE"
GREP_AFTER=1
LISTTOOL="systemctl"
if [ $USERNAME ]; then
SERVICETOOL="sudo -u $USERNAME systemctl status $SERVICE"
Expand Down Expand Up @@ -223,9 +223,9 @@ done
os_check

if [ $MANUAL -eq 1 ]; then
SERVICETOOL=$MANUALSERVICETOOL
SERVICETOOL=$MANUALSERVICETOOL
else
determine_service_tool
determine_service_tool
fi

# -l conflicts with -t
Expand All @@ -245,18 +245,24 @@ if [ $LIST -eq 1 ]; then
fi

# Check the status of a service
STATUS_MSG=$(eval "$SERVICETOOL" 2>&1)
STATUS_MSG=$($SERVICETOOL 2>&1)
# FAKE test STATUS_MSG=$(./check_service_fake_output.sh 2>&1)
EXIT_CODE=$?

if [ $GREP_AFTER -eq 1 ] ; then
STATUS_MSG=$( grep Active: <<< "${STATUS_MSG}")
fi

## Exit code from the service tool - if it's non-zero, we should
## probably return CRITICAL. (though, in some cases UNKNOWN would
## probably be more appropriate)
[ $EXIT_CODE -ne 0 ] && echo "$STATUS_MSG" && exit $CRITICAL
# EBT OFF [ $EXIT_CODE -ne 0 ] && echo "$STATUS_MSG" && exit $CRITICAL

## For systemd and most systems, $EXIT_CODE can be trusted - if it's 0, the service is running.
## Ref https://github.com/jonschipp/nagios-plugins/issues/15
[ $TRUST_EXIT_CODE -eq 1 ] && [ $EXIT_CODE -eq 0 ] && echo "$STATUS_MSG" && exit $OK


case $STATUS_MSG in

*stop*)
Expand Down Expand Up @@ -346,3 +352,4 @@ case $STATUS_MSG in
;;
esac