prometheus to OpenTSDB metrics formetter

prom_to_OpenTSDB.sh

#!/bin/sh

# curls a prometheus metrics endpoint, and awk's it into OpenTSDB format


JMX_URL="http://localhost:7070"

curl -s $JMX_URL | awk '
    BEGIN { ts=systime() }
    match($0, /{(.*)}/, a) {
            tags=a[1];
            gsub(/ /, "_", tags);
            gsub(/,/, " ", tags);
            gsub(/[^[:alnum:]_/= \-\.]/, "", tags);
            metric=$NF
    };
    match($NF, /.*E.*/, result) {
            split(result[0], numArr, "E");
            metric=(numArr[1] * 10**numArr[2]);
    }
    /^[^#]/ {
            sub(/\{.*/, "", $1);
            gsub(/_/, ".", $1);
            printf "zookeeper.nre.jmx.%s %d %f %s\n", $1, ts, metric, tags;
            tags=""
    }
'