docker-adsb-ultrafeeder/rootfs/etc/s6-overlay/scripts/adsbx-stats

#!/command/with-contenv bash
# shellcheck shell=bash disable=SC2015,SC2016,SC1091

source /scripts/common
s6wrap=(s6wrap --quiet --timestamps --prepend="$(basename "$0")" --args)

# First check if ADSBX is in the config string

# combine ULTRAFEEDER_CONFIG and ULTRAFEEDER_NET_CONNECTOR
ULTRAFEEDER_CONFIG="${ULTRAFEEDER_CONFIG}${ULTRAFEEDER_CONFIG:+;}${ULTRAFEEDER_NET_CONNECTOR}"
# remove any newlines:
ULTRAFEEDER_CONFIG="${ULTRAFEEDER_CONFIG//$'\n'/}"
# Strip any extraneous spaces:
ULTRAFEEDER_CONFIG="${ULTRAFEEDER_CONFIG#"${ULTRAFEEDER_CONFIG%%[![:space:]]*}"}"   # strip leading space
ULTRAFEEDER_CONFIG="${ULTRAFEEDER_CONFIG//; /;}"
if ! grep -i adsbexchange.com <<< "$ULTRAFEEDER_CONFIG" >/dev/null 2>&1; then
    "${s6wrap[@]}" echo "AdsbExchange not configured - no stats package needed"
    sleep infinity & wait $!
fi

# Install the Stats package:

if [[ ! -f /etc/default/adsbexchange-stats ]]; then
    echo -e "UUID_FILE=/run/uuid\nJSON_PATHS=(\"/run/readsb\")" > /etc/default/adsbexchange-stats
fi

if [[ ! -f /usr/local/bin/json-status ]]; then
    if ! curl -sSL -o /usr/local/bin/json-status https://raw.githubusercontent.com/ADSBexchange/adsbexchange-stats/master/json-status; then
        "${s6wrap[@]}" echo "ERROR: AdsbExchange configure, but cannot download stats package! AdsbExchange will be fed but stats will not be available"
        sleep infinity & wait $!
    fi
    chmod 755 /usr/local/bin/json-status
fi

mkdir -p /run/adsbexchange-stats

# wait until readsb is established...
if ! pgrep readsb >/dev/null; then
    if [[ -z "${LOGLEVEL}" ]] || [[ "${LOGLEVEL,,}" == "verbose" ]]; then
        "${s6wrap[@]}" echo "Delaying start of the AdsbExchange Stats module until container is established..."
    fi
    while ! pgrep readsb >/dev/null
        do
        sleep 2 & wait $!
    done
    # wait 2 seconds after readsb process exists
    sleep 2 & wait $!
fi

"${s6wrap[@]}" echo "invoking: /usr/local/bin/json-status"

"${s6wrap[@]}" /usr/local/bin/json-status