proc killer

slayer.bash

#!/bin/bash

if [[ "$#" -gt 2 ]]; then
    echo "ERROR: Only two arguments are allowed!"
    exit -1
elif [[ "$#" -lt 1 ]]; then
    echo "${0}: Kill processes running past limit (default is one hour)"
    echo "Usage: "
    echo ""
    echo "    ${0} PROC_PATTERN [MAX_AGE_IN_SECONDS]"
    exit -1
fi

proc_pattern=${1}
age_limit=${2:-3600}

processes="$(pgrep -f ${proc_pattern})"

for i in $processes
do
    if [[ -n "${i}" ]]; then
        proc_life=$(echo "$(date +%s) - $(stat -c %X /proc/${i})" | bc)
        if [[ "${proc_life}" -ge "${age_limit}" ]]; then
            if [[ "${TESTING}" = "true" ]]; then
                echo "[TEST]: Process to kill: ${i} - Process run time: ${proc_life} Max run time: ${age_limit}"
            else
                kill -s 9 "${i}"
            fi
        fi
    fi
done