}

		for _, ip := range svc.Status.LoadBalancer.Ingress {
			if ip.IP == "" {
				addrs = append(addrs, ip.Hostname)
			} else {
				addrs = append(addrs, ip.IP)
			}
		}

		addrs = append(addrs, svc.Spec.ExternalIPs...)
		return addrs
	}

	// get all pods acting as ingress gateways
	igSelector := getIngressGatewaySelector(ingressSelector, ingressService)

			n, _ := file.Read(buf)
			if n <= 0 {
				break
			}
			addrs = append(addrs, string(buf[:n]))
		}
		return addrs, nil
	}

	type ret struct {
		addrs []string
		err   error
	}

	ch := make(chan ret, 1)
	go func() {
		addrs, err := queryAddrs()
		ch <- ret{addrs: addrs, err: err}
	}()

	select {
	case r := <-ch:
		return r.addrs, r.err
	case <-ctx.Done():
		return nil, &DNSError{

func TestAddrListPartition(t *testing.T) {
	addrs := addrList{
		&IPAddr{IP: ParseIP("fe80::"), Zone: "eth0"},
		&IPAddr{IP: ParseIP("fe80::1"), Zone: "eth0"},
		&IPAddr{IP: ParseIP("fe80::2"), Zone: "eth0"},
	}
	cases := []struct {
		lastByte  byte
		primaries addrList
		fallbacks addrList
	}{
		{0, addrList{addrs[0]}, addrList{addrs[1], addrs[2]}},
		{1, addrList{addrs[0], addrs[2]}, addrList{addrs[1]}},

			})
		}
		if server == nil {
			t.Fatalf("Case %v: server: expected: <non-nil>, got: <nil>", (i + 1))
		} else if !reflect.DeepEqual(server.Addrs, testCase.addrs) {
			t.Fatalf("Case %v: server.Addrs: expected: %v, got: %v", (i + 1), testCase.addrs, server.Addrs)
		}

		if testCase.certFn == nil {
			if server.TLSConfig != nil {
				t.Fatalf("Case %v: server.TLSConfig: expected: <nil>, got: %v", (i + 1), server.TLSConfig)
			}

	// Build sorted list of addresses of all symbols.
	// We infer the size of a symbol by looking at where the next symbol begins.
	var addrs []uint64
	for _, s := range f.macho.Symtab.Syms {
		// Skip stab debug info.
		if s.Type&stabTypeMask == 0 {
			addrs = append(addrs, s.Value)
		}
	}
	sort.Sort(uint64s(addrs))

	var syms []Sym
	for _, s := range f.macho.Symtab.Syms {
		if s.Type&stabTypeMask != 0 {
			// Skip stab debug info.

// described in RFC 2782.
func (addrs byPriorityWeight) shuffleByWeight() {
	sum := 0
	for _, addr := range addrs {
		sum += int(addr.Weight)
	}
	for sum > 0 && len(addrs) > 1 {
		s := 0
		n := randIntn(sum)
		for i := range addrs {
			s += int(addrs[i].Weight)
			if s > n {
				if i > 0 {
					addrs[0], addrs[i] = addrs[i], addrs[0]
				}
				break
			}
		}

			cidrs: []string{},
			itfAddrsPairs: []InterfaceAddrsPair{
				{
					itf:   net.Interface{Index: 0, MTU: 0, Name: "eth0", HardwareAddr: nil, Flags: 0},
					addrs: []net.Addr{&net.IPNet{IP: netutils.ParseIPSloppy("2001:db8::1"), Mask: net.CIDRMask(64, 128)}},
				},
				{
					itf:   net.Interface{Index: 1, MTU: 0, Name: "lo", HardwareAddr: nil, Flags: 0},

			addrs = append(addrs, v.Addr().String())
			ports = append(ports, int(v.Port()))
		}
	}
	if len(addrs) > 0 {
		return addrs, ports, nil
	}

	return nil, nil, fmt.Errorf("failed to get address for port %v", port)
}

// AddressForPort returns the externally reachable host and port of the component for the given port.
func (c *ingressImpl) AddressesForPort(port int) ([]string, []int) {

	var addrs []uint64
	for _, s := range plan9Syms {
		if !validSymType[s.Type] {
			continue
		}
		addrs = append(addrs, s.Value)
	}
	sort.Sort(uint64s(addrs))

	var syms []Sym

	for _, s := range plan9Syms {
		if !validSymType[s.Type] {
			continue
		}
		sym := Sym{Addr: s.Value, Name: s.Name, Code: s.Type}
		i := sort.Search(len(addrs), func(x int) bool { return addrs[x] > s.Value })

	f.NetworkInterfaces = append(f.NetworkInterfaces, *intf)
	f.Address[intf.Name] = addrs
}

// InterfaceAddrs is part of NetworkInterfacer interface.
func (f *FakeNetwork) InterfaceAddrs() ([]net.Addr, error) {
	addrs := make([]net.Addr, 0)
	for _, value := range f.Address {
		addrs = append(addrs, value...)
	}
	return addrs, nil