Function basicDERPMap

tailnet/test/integration/integration.go:545–593

(serverURLStr string)

}

func basicDERPMap(serverURLStr string) (*tailcfg.DERPMap, error) {
	serverURL, err := url.Parse(serverURLStr)
	if err != nil {
		return nil, xerrors.Errorf("parse server URL %q: %w", serverURLStr, err)
	}

	portStr := serverURL.Port()
	port, err := strconv.Atoi(portStr)
	if err != nil {
		return nil, xerrors.Errorf("parse port %q: %w", portStr, err)
	}

	hostname := serverURL.Hostname()
	ipv4 := "none"
	ipv6 := "none"
	ip, err := netip.ParseAddr(hostname)
	if err == nil {
		hostname = ""
		if ip.Is4() {
			ipv4 = ip.String()
		}
		if ip.Is6() {
			ipv6 = ip.String()
		}
	}

	return &tailcfg.DERPMap{
		Regions: map[int]*tailcfg.DERPRegion{
			1: {
				RegionID:   1,
				RegionCode: "test",
				RegionName: "test server",
				Nodes: []*tailcfg.DERPNode{
					{
						Name:             "test0",
						RegionID:         1,
						HostName:         hostname,
						IPv4:             ipv4,
						IPv6:             ipv6,
						DERPPort:         port,
						STUNPort:         -1,
						ForceHTTP:        true,
						InsecureForTests: true,
					},
				},
			},
		},
	}, nil
}

// ExecBackground starts a subprocess with the given flags and returns a
// channel that will receive the error when the subprocess exits. The returned