func doTarget()

in scripts/remote.go [70:133]
56 lines of code
10 McCabe index (conditional complexity)

func doTarget(target string, config *ssh.ClientConfig) {
	client, err := ssh.Dial("tcp", net.JoinHostPort(target, *port), config)
	if err != nil {
		log.Printf("ERROR: failed to connect to %s: %s", target, err)
		return
	}
	defer client.Close()

	c, err := sftp.NewClient(client)
	if err != nil {
		log.Printf("ERROR: failed to establish sftp to %s: %s", target, err)
		return
	}
	defer c.Close()

	tmp, err := ioutil.TempDir("", "")
	if err != nil {
		log.Printf("ERROR: failed to create temp dir: %s", err)
		return
	}

	binPath, err := copySFTP(c, tmp, *binary, 0755)
	if err != nil {
		log.Printf("ERROR: failed to copy sftp to %s: %s", target, err)
		return
	}
	log.Printf("copied %s to %s", *binary, binPath)

	cfgPath, err := copySFTP(c, tmp, *cfg, 0644)
	if err != nil {
		log.Printf("ERROR: failed to copy sftp to %s: %s", target, err)
		return
	}
	log.Printf("copied %s to %s", *cfg, cfgPath)

	for _, b := range *bundles {
		bPath, err := copyBundle(c, tmp, b)
		if err != nil {
			log.Printf("ERROR: failed to copy sftp to %s: %s", b, err)
			return
		}
		log.Printf("copied %s to %s", b, bPath)
	}

	session, err := client.NewSession()
	if err != nil {
		log.Printf("ERROR: failed to create session on %s: %s", target, err)
		return
	}
	defer session.Close()

	session.Stderr = os.Stderr
	session.Stdout = os.Stdout

	if err := session.Run(
		fmt.Sprintf(
			"cd %s && %s --log-level DEBUG --local-config %s",
			filepath.Dir(binPath), binPath, cfgPath,
		),
	); err != nil {
		log.Printf("ERROR: failed to run go2chef remotely: %s", err)
		return
	}
}