customer_fetch.rb

#!/usr/bin/env ruby

require 'stripe'
require 'logger'

if ARGV.length != 2
  puts "Usage: #{__FILE__} <api key> <sleep interval>"
  exit 1
end

Stripe.api_key = ARGV[0]
sleep_interval = ARGV[1].to_f

$logger = Logger.new(STDOUT)
$logger.level = Logger::INFO

def fetch_customers
  begin
    before = Time.now
    Stripe::Customer.all
    after = Time.now
    $logger.info "SUCCESS in #{after - before}s"
  rescue Stripe::StripeError => e
    after = Time.now
    $logger.warn "FAILURE in #{after - before}s.  Exception: #{e}"
  end
end

while true do
  fetch_customers
  sleep sleep_interval
end