# vim: ft=sh

dir=$1

function nginx () {

    nc -zw2 127.0.0.1 80 || echo "injoignable sur port 80 local"

    nc -zw2 sebmarque.hd.free.fr 80 || echo "injoignable sur port 80 distant"

    nc -zw2 sebmarque.hd.free.fr 443 || echo "injoignable sur port 443 distant"

}

function searx () {

    _turn 5 || return

    nc -zw2 127.0.0.1 8888 || echo "injoignable sur port 8888"

}

function gitprep () {

    _turn 5 || return

    nc -zw2 127.0.0.1 10020 || echo "injoignable sur port 10020"

}

function webapps () {

    _turn 3 || return # test toutes les 3 heures

    awk -v sq="'" '

        /^[^#]+#\s*monitoring\s/ {

            if ($1 == "listen") {

                port = ":" gensub(";", "", "", $2)

                proto = gensub(";", "", "", $3) == "ssl" ? "https" : "http"

                pname = gensub(/^\s*listen\s.+#\s*monitoring\s+/,"", "")

                if (proto == "https" && port == ":443") port = ""

            }

            if ($1 == "server_name") {

                server_name = gensub(";", "", "", $2)

                sname = gensub(/^\s*server_name\s.+#\s*monitoring\s+/,"", "")

            }

            if ($1 == "location" && sname != "" && pname != "" && sname == pname) {

                l=gensub(/^\s*location\s[^\/]*(\/.*)\{\s*#\s*monitoring\s+(.+)$/,"\\1,\\2", "")

                split(l, location, /\s*,\s*/)

                if (location[2] == sname) {

                    monitoring[location[2]][location[1]]["monitoring"] = location[3]

                    monitoring[location[2]][location[1]]["response_code"] = location[4]

                    monitoring[location[2]][location[1]]["url"] = proto "://" server_name port location[1] location[5]

                    if (location[6] != "")

                        monitoring[location[2]][location[1]]["user-agent"] = "--user-agent " sq location[6] sq

                    else

                        monitoring[location[2]][location[1]]["user-agent"] = "--user-agent " sq "Mozilla/5 (monitoring)" sq

                }

            }

        }

        END {

            for (mid in monitoring) {

                for (locid in monitoring[mid]) {

                    curl = sprintf("curl --silent --max-time 2 --output /dev/null --write-out %{response_code} --output /dev/null %s %s",

                          monitoring[mid][locid]["user-agent"],

                          monitoring[mid][locid]["url"])

                    curl | getline response_code

                    close(curl)

                    if (response_code != monitoring[mid][locid]["response_code"] && response_code != "000")

                        printf("%s (%s)\n", monitoring[mid][locid]["monitoring"], response_code)

                }

            }

        }

    ' /etc/nginx/sites-enabled/*

}

function core_temp () {

    local min=60

    local level=("warning" "severe" "danger!")

    local step=$(( $(</sys/class/thermal/thermal_zone0/temp) - (min * 1000) ))

    if test $step -gt 0; then

        step=$((step / 10000))

        test $step -le 3 || step=2

        echo "${level[step]}: température > $((min + step * 10))°"

    fi

}

function core_alim () {

    eval $(/opt/vc/bin/vcgencmd measure_volts core)

    test $volt == "1.2000V" || echo "$volt"

}

function mem_pressure () {

    local meminfo=($(</proc/meminfo))

    local level=(danger severe warning)

    local margin=30000

    for ((i=0; i<${#meminfo[@]}; i+=3)); do

        test ${meminfo[i]} == 'MemAvailable:' && break

    done

    meminfo[i+2]=$(( ( ${meminfo[i+1]} - $margin ) / 100000 ))

    test ${meminfo[i+2]} -ge ${#range[@]} || echo "${level[${meminfo[i+2]}]}: available ${meminfo[i+1]}kB"

}

function mpd_tablette () {

    local tablette=192.168.0.53

    local port=6600

    local media='/media/musique'

    local nfs=$(ss -no state established 'sport = :nfs' dst $tablette | grep -c $)

    test $nfs -lt 2 && echo "tablette non connectée à la zique"

    nc -zw2 $tablette $port || echo "MPD injoignable"

    test $(showmount --all --no-headers | grep -c $tablette:$media) -eq 1 || echo "$media pas exporté"

}