Function addHost

pkg/devspace/services/ssh/config.go:196–241

(path, host, port string)

}

func addHost(path, host, port string) (string, error) {
	var reader io.Reader
	f, err := os.Open(path)
	if err != nil {
		if !os.IsNotExist(err) {
			return "", err
		}

		reader = strings.NewReader("")
	} else {
		reader = f
		defer f.Close()
	}

	configScanner := scanner.NewScanner(reader)
	newLines := []string{}
	inSection := false
	startMarker := "# DevSpace Start " + host
	endMarker := "# DevSpace End " + host
	for configScanner.Scan() {
		text := configScanner.Text()
		if strings.HasPrefix(text, startMarker) {
			inSection = true
		} else if strings.HasPrefix(text, endMarker) {
			inSection = false
		} else if !inSection {
			newLines = append(newLines, text)
		}
	}
	if configScanner.Err() != nil {
		return "", errors.Wrap(err, "parse ssh config")
	}

	// add new section
	newLines = append(newLines, startMarker)
	newLines = append(newLines, "Host "+host)
	newLines = append(newLines, "  HostName localhost")
	newLines = append(newLines, "  LogLevel error")
	newLines = append(newLines, "  Port "+port)
	newLines = append(newLines, "  IdentityFile \""+DevSpaceSSHPrivateKeyFile+"\"")
	newLines = append(newLines, "  StrictHostKeyChecking no")
	newLines = append(newLines, "  UserKnownHostsFile /dev/null")
	newLines = append(newLines, "  User devspace")
	newLines = append(newLines, endMarker)
	return strings.Join(newLines, "\n"), nil
}