#!/bin/sh
echo $0 $* | /usr/bin/ts '[%Y-%m-%d %H:%M:%S]'

RootDir="${HOME}/prod"

export PYTHONPATH=${RootDir}


StatusChannel=Status-CVTT
AlertChannel=Alerts-CVTT
Sender=${RootDir}/ops/utils/send_mmost.sh

# Sender=cat
# StatusChannel=

Hosts=
Hosts="${Hosts} cloud11.cvtt.vpn"
Hosts="${Hosts} cloud14.cvtt.vpn"
Hosts="${Hosts} cloud15.cvtt.vpn"
Hosts="${Hosts} cloud16.cvtt.vpn"
Hosts="${Hosts} cloud17.cvtt.vpn"
Hosts="${Hosts} cloud21.cvtt.vpn"
Hosts="${Hosts} cloud22.cryptovaltrading.com"

Hosts="${Hosts} cvttdata.cvtt.vpn"
Hosts="${Hosts} cryptoval1.cvtt.vpn"
Hosts="${Hosts} cryptoval2.cvtt.vpn"
Hosts="${Hosts} cryptoval3.cvtt.vpn"

Hosts="${Hosts} homestore.cvtt.vpn"
Hosts="${Hosts} nsbackup.cvtt.vpn"
Hosts="${Hosts} dtvmhost.cvtt.vpn"
Hosts="${Hosts} ops-server.cvtt.vpn"

function space_alert() {
    ALERT_USAGE=75%
    for ln in "${Measurements[@]}"
    do
        IFS=$' '; args=($ln); unset IFS
        host=${args[0]}
        fs=${args[1]}
        space_used=${args[2]}
        if [ ${space_used%?} -ge ${ALERT_USAGE%?} ]; then
            echo ":red_circle: Filesystem **${host}:${fs}** is using **${space_used}** :red_circle:"
        fi
    done
}

function storage_check() {

    result_lines=()

    for host in ${Hosts}
    do
        if [[ "${host}" == *"cryptovaltrading.com" ]]; then
            port=7822
        else
            port=22
        fi
        Cmd="ssh -p ${port} $host"
        Cmd="${Cmd} eval \"df -hTl"
        Cmd="${Cmd} -x squashfs"
        Cmd="${Cmd} | grep -v tmpfs"
        Cmd="${Cmd} | grep -v Filesystem\""

        IFS=$'\n' ; lines=$(eval ${Cmd})
        for ln in $lines
        do
            IFS=$' '; args=($ln); unset IFS
            res="${args[5]}| **${host}** | ***${args[6]}*** | *${args[5]}* |"
            result_lines+=("$res")
        done
        unset IFS
    done
    for ln in "${result_lines[@]}"
    do
        echo "${ln}"
    done
}

tmpfile=$(mktemp)
tmpfile2=$(mktemp)
storage_check > ${tmpfile2}

echo "## :card_file_box: STORAGE HEALTH CHECK" >> ${tmpfile}
echo  >> ${tmpfile}
echo "| host | filesystem | usage |"  >> ${tmpfile}
echo "| --- | --- | --- |"  >> ${tmpfile}
cat ${tmpfile2} | sort -h -r | awk -F'%' '{printf "%s%%%s\n",$2,$3}' >> ${tmpfile}
cat ${tmpfile} |  ${Sender} ${StatusChannel}
rm ${tmpfile} ${tmpfile2}

Measurements=()
tmpfile=$(mktemp)
space_alert > ${tmpfile}
cat ${tmpfile}
if [ -s ${tmpfile} ]
then
    (echo "### :card_file_box: STORAGE ALERTS" && cat ${tmpfile}) | ${Sender} ${AlertChannel}
else
    echo File ${tmpfile} is empty
fi
rm ${tmpfile}