monitor-librato.sh

#!/bin/bash

set -e

USERNAME=
TOKEN=
METRIC=
SLEEP=5

probe() {
  TIMEFORMAT="duration=%R"
  local url="https://metrics-api.librato.com/v1/metrics/$METRIC"
  local t0=$(date "+%s")
  ( time curl -isu "$USERNAME:$TOKEN" "$url" | awk '/^HTTP\/1/ { print "status=" $2 }' ) 2>&1 | xargs echo "t0=$t0" &
}

while true; do probe; sleep 5; done