def ping (on: hosts, quiet: false)
      log.info "ping", quiet: quiet do
        hash_map(hosts) do |host|
          host.ping
        end
      end
    end
def ping (on: hosts, quiet: false)
      log.info "ping", quiet: quiet do
        hash_map(hosts) do |host|
          host.ping
        end
      end
    end
Ping each host by trying to connect to port 22
 @macro onable
 @macro quietable