# 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(";", "", "1", $2)

                proto = gensub(";", "", "1", $3) == "ssl" ? "https" : "http"

                pname = gensub(/^\s*listen\s.+#\s*monitoring\s+/, "1", "1")

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

            }

            if ($1 == "server_name") {

                server_name = gensub(";", "", "1", $2)

                sname = gensub(/^\s*server_name\s.+#\s*monitoring\s+/, "1", "1")

            }

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

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

                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 section () {

    nc -zw5 cloud.paris12.pcf.fr 443 || echo "cloud inaccessible"

    nc -zw5 cloud.paris12.pcf.fr 2200 || echo "section inaccessible"

}

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 1; then

    if test $step -gt 5000; then # en été il fait plus chaud, c'est normal que ça monte à 60° régulièrement

        step=$((step / 10000))

        test $step -le 2 || step=2

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

    fi

}

function core_alim () {

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

    volt_fmt=${volt/\.}

    volt_fmt=${volt_fmt/V}

    test $volt_fmt -lt 12000 -o $volt_fmt -gt 15000 && echo "$volt"

}

function clean_swap () {

    _turn 2 || return

    echo 1 > /proc/sys/vm/drop_caches

    if LANG=C free -m | awk '

        /^Swap:/ {

            used = $3

        }

        END {

            bash_exit_code = !(used > 62)

            exit bash_exit_code

        }

    '; then

        systemctl stop dphys-swapfile \

        && systemctl stop zram        \

        && systemctl start zram       \

        && systemctl start dphys-swapfile \

        || echo 'erreur'

    fi

}

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 piwigo_private () {

    _turn 20 || return

    test "$(curl --silent 'http://192.168.0.71/photos/ws.php?format=json&method=pwg.categories.getList' | sum)" = "00569     1" || echo "albums visibles publiquement"

}

function snappymail_version () {

    _turn 24 || return

    local installed_version=$(</var/www/rainloop/data/VERSION)

    local release_url='https://api.github.com/repos/the-djmaze/snappymail/releases/latest'

    local version=$(curl -sL -H "Accept: application/vnd.github+json" $release_url | jq -r '.name | ltrimstr("v")')

    if test $version != $installed_version; then

        echo "nouvelle version dispo: $version"

    fi

}

function navidrome_version () {

    _turn 24 || return

    local installed_version=$(find ~navidrome/navidrome -printf "%C@")

    local release_url='https://api.github.com/repos/navidrome/navidrome/releases/latest'

    local version=$(curl -sL -H "Accept: application/vnd.github+json" $release_url \

                  | jq -r '.assets | .[] | select(.name | contains("linux_armv7")) | .updated_at | fromdateiso8601')

    if test $version -gt ${installed_version%.*}; then

        echo "nouvelle version dispo"

    fi

}