collect-dsl

#!/bin/sh
HOSTNAME="${COLLECTD_HOSTNAME:-localhost}"
INTERVAL="${COLLECTD_INTERVAL:-60}"
INSTANCE="dsl0"

###########################################################

# round interval to int
INTERVAL=$(printf "%.*f\n" 0 "$INTERVAL")

while sleep "$INTERVAL"; do
    timestamp="$(date +%s)"
    /etc/init.d/dsl_control lucistat | grep '^dsl\.' | while read -r line ; do
        field="$(echo $line | cut -d= -f1 | cut -d. -f2)"
        value="$(echo $line | cut -d= -f2 | sed 's#"##g')"
        type=
        case $field in
            *_s) ;; # ignore stringified values
            line_state)
                type=gauge
                if [ "$value" == "UP" ] ; then
                    value=1
                else
                    value=0
                fi
                ;;
            errors_*)           type=errors ;;
            data_rate_*)        type=bitrate ;;
            max_data_rate_*)    type=bitrate ;;
            line_uptime)        type=uptime ;;
            noise_margin_*)     type=gauge ;;
            latency_down)       type=latency ;; # us
            latency_up)         type=latency ;; # us
            actatp_*)           type=gauge ;; # Aggregate Transmit Power dBm
            line_attenuation_*) type=gauge ;;
            signal_attenuation_*) type=gauge ;;
            *) ;;
        esac
        if [ -n "$type" ]; then
            echo "PUTVAL \"$HOSTNAME/dsl-$INSTANCE/$type-$field\" interval=$INTERVAL $timestamp:$value"
        fi
    done
done