ruby retry example-

gistfile1.rb

def flaky_code()
  unless @flaky_code_works
    @flaky_code_works = true
    raise 'wtf'
  end

  puts "works eventually lol"
end

max_attempts = 5
attempt = 1
begin
  flaky_code()
rescue => e
  if attempt <= max_attempts
    sleep 1 * attempt
    attempt += 1

    puts "rety attempt #{attempt}"
    retry
  else
    raise e
  end
end