#!/bin/bash


function usage {
    echo "Usage: ${0}  <log directory> [days (default 2)]"
    exit 1
}

echo Starting $0 $*

LogDir=${1}
if [ "${LogDir}" == "" ]
then
    usage
fi

Days=${2}
if [ "${Days}" == "" ]
then
    Days=2
fi

DateCriteria="${Days} days ago"

Oldest=$(date -d "${DateCriteria}" '+%Y-%m-%d')

echo "Looking for log files older than ${DateCriteria} in ${LogDir}"

LogArchiveDir=/home/cvtt/prod/archive/logs
mkdir -p ${LogArchiveDir}

echo "find ${LogDir}/ '(' -name '*.log' -o -name '*.log.*' ')'  -type f -not -newermt ${Oldest})"
files=$(find ${LogDir}/ '(' -name '*.log' -o -name '*.log.*' ')'  -type f -not -newermt ${Oldest})
if [ "$files" == "" ]
then
    echo "No files found older than ${Oldest} in ${LogDir}"
else
    echo Archiving files:
    echo -----------------
    echo ${files}

    oldest_file=$(ls -t ${files}  | tail -1)
    youngest_file=$(ls -tr ${files}  | tail -1)

    tstmp1=$(stat --printf '%y' ${oldest_file})
    tstmp2=$(stat --printf '%y' ${youngest_file})
    tmsig="$(date -d "${tstmp1}" +"%Y%m%d_%H%M%S")-$(date -d "${tstmp2}" +"%Y%m%d_%H%M%S")"
    echo $tmsig

    Cmd="tar zcvf ${LogArchiveDir}/${tmsig}.logs.tgz ${files}"
    echo $Cmd
    eval $Cmd

    rm $files
fi
echo Done ${0} ${*}