#!/bin/sh
#
# platform/config/bin/vic-on-exit
#
# Called by systemd after a service has stopped for any reason.
# This script is intended to be called from the `ExecStopPost` option. By the time this
# runs, the service's process has been terminated.
#
# Default values may be overridden by service environment.
#
set -u

# Environment variables passed to us by systemd

# $SERVICE_RESULT   # result code of the service
# $EXIT_CODE        # exit code of main process
# $EXIT_STATUS      # exit status of main process


# If set to a non-zero value, will trigger a fault-code with the specified value
: ${VIC_ONFAILURE_FAULTCODE:="0"}

: ${DEBUG:=0}

if [ $DEBUG -eq 1 ]; then
    echo "SERVICE_RESULT=${SERVICE_RESULT}"
    echo "EXIT_CODE=${EXIT_CODE}"
    echo "EXIT_STATUS=${EXIT_STATUS}"
fi

function exit_clean ()
{
    exit 0
}

function exit_error ()
{
    if [ "${VIC_ONFAILURE_FAULTCODE}" != "0" ]; then
        if [ ! -e /run/fault_code.pending ]; then
            echo ${VIC_ONFAILURE_FAULTCODE} > /run/fault_code
        fi
    fi
}


# Available SERVICE_RESULT values in systemd
# see: https://www.freedesktop.org/software/systemd/man/systemd.exec.html#%24SERVICE_RESULT
# success
# protocol
# timeout
# exit-code
# signal
# core-dump
# watchdog
# start-limit-hit
# resources

case "${SERVICE_RESULT}" in
success)
    exit_clean
    ;;
*)
    exit_error 
    ;;
esac