Method ClientOpts

cli/context/docker/load.go:87–139

ClientOpts returns a slice of Client options to configure an API client with this endpoint

()

// ClientOpts returns a slice of Client options to configure an API client with this endpoint
func (ep *Endpoint) ClientOpts() ([]client.Opt, error) {
	var result []client.Opt
	if ep.Host != "" {
		helper, err := connhelper.GetConnectionHelper(ep.Host)
		if err != nil {
			return nil, err
		}
		if helper == nil {
			// Check if we're connecting over a socket, because there's no
			// need to configure TLS for a socket connection.
			//
			// TODO(thaJeztah); make resolveDockerEndpoint and resolveDefaultDockerEndpoint not load TLS data,
			//  and load TLS files lazily; see https://github.com/docker/cli/pull/1581
			if !isSocket(ep.Host) {
				tlsConfig, err := ep.tlsConfig()
				if err != nil {
					return nil, err
				}

				// If there's no tlsConfig available, we use the default HTTPClient.
				if tlsConfig != nil {
					result = append(result,
						client.WithHTTPClient(&http.Client{
							Transport: &http.Transport{
								TLSClientConfig: tlsConfig,
								DialContext: (&net.Dialer{
									KeepAlive: 30 * time.Second,
									Timeout:   30 * time.Second,
								}).DialContext,
							},
							CheckRedirect: client.CheckRedirect,
						}),
					)
				}
			}
			result = append(result, client.WithHost(ep.Host))
		} else {
			result = append(result,
				client.WithHTTPClient(&http.Client{
					// No TLS, and no proxy.
					Transport: &http.Transport{
						DialContext: helper.Dialer,
					},
				}),
				client.WithHost(helper.Host),
				client.WithDialContext(helper.Dialer),
			)
		}
	}

	result = append(result, client.WithAPIVersionFromEnv())
	return result, nil
}

// isSocket checks if the given address is a Unix-socket (linux),
// named pipe (Windows), or file-descriptor.