service_status_report.rb

#!/usr/bin/env ruby
require 'open-uri'
OK = 'OK'.freeze

if ARGV.length != 1
  raise 'Please provide the service address as a single argument'
end

exit_code = 0

URI.open(ARGV.first) do |f|
  f.each_line do |line|
    service = line.strip.split(':')
    next if service.empty?

    service_name = service[0].strip
    service_status = service[1].strip
    if service_status != OK
      puts "The service #{service_name} is #{service_status}."
      exit_code = 1
    end
  end
end

exit exit_code