Golang network.NewAddresses函数代码示例

func (suite *StateSuite) TestGetAddressesReturnsNames(c *gc.C) {
	instances := []instance.Instance{
		&mockInstance{addresses: network.NewAddresses("foo")},
		&mockInstance{addresses: network.NewAddresses("bar")},
	}
	c.Check(common.GetAddresses(instances), gc.DeepEquals, []string{"foo", "bar"})
}

func (*AddressSuite) TestSortAddresses(c *gc.C) {
	addrs := network.NewAddresses(
		"127.0.0.1",
		"localhost",
		"example.com",
		"::1",
		"fc00::1",
		"fe80::2",
		"172.16.0.1",
		"8.8.8.8",
	)
	network.SortAddresses(addrs, false)
	c.Assert(addrs, jc.DeepEquals, network.NewAddresses(
		"example.com",
		"localhost",
		"127.0.0.1",
		"172.16.0.1",
		"8.8.8.8",
		"::1",
		"fe80::2",
		"fc00::1",
	))

	network.SortAddresses(addrs, true)
	c.Assert(addrs, jc.DeepEquals, network.NewAddresses(
		"example.com",
		"localhost",
		"fe80::2",
		"::1",
		"fc00::1",
		"127.0.0.1",
		"172.16.0.1",
		"8.8.8.8",
	))
}

func (mi *maasInstance) Addresses() ([]network.Address, error) {
	name, err := mi.hostname()
	if err != nil {
		return nil, err
	}
	// MAAS prefers to use the dns name for intra-node communication.
	// When Juju looks up the address to use for communicating between
	// nodes, it looks up the address by scope. So we add a cloud
	// local address for that purpose.
	addrs := network.NewAddresses(name, name)
	addrs[0].Scope = network.ScopePublic
	addrs[1].Scope = network.ScopeCloudLocal

	// Append any remaining IP addresses after the preferred ones.
	ips, err := mi.ipAddresses()
	if err != nil {
		return nil, err
	}
	addrs = append(addrs, network.NewAddresses(ips...)...)

	// Although we would prefer a DNS name there's no point
	// returning unresolvable names because activities like 'juju
	// ssh 0' will instantly fail.
	return resolveHostnames(addrs), nil
}

func (*suite) TestSetAPIHostPorts(c *gc.C) {
	conf, err := agent.NewAgentConfig(attributeParams)
	c.Assert(err, jc.ErrorIsNil)

	addrs, err := conf.APIAddresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(addrs, gc.DeepEquals, attributeParams.APIAddresses)

	// The first cloud-local address for each server is used,
	// else if there are none then the first public- or unknown-
	// scope address.
	//
	// If a server has only machine-local addresses, or none
	// at all, then it will be excluded.
	server1 := network.NewAddresses("0.1.2.3", "0.1.2.4", "zeroonetwothree")
	server1[0].Scope = network.ScopeCloudLocal
	server1[1].Scope = network.ScopeCloudLocal
	server1[2].Scope = network.ScopePublic
	server2 := network.NewAddresses("127.0.0.1")
	server2[0].Scope = network.ScopeMachineLocal
	server3 := network.NewAddresses("0.1.2.5", "zeroonetwofive")
	server3[0].Scope = network.ScopeUnknown
	server3[1].Scope = network.ScopeUnknown
	conf.SetAPIHostPorts([][]network.HostPort{
		network.AddressesWithPort(server1, 123),
		network.AddressesWithPort(server2, 124),
		network.AddressesWithPort(server3, 125),
	})
	addrs, err = conf.APIAddresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(addrs, gc.DeepEquals, []string{"0.1.2.3:123", "0.1.2.5:125"})
}

func (s *instanceSuite) TestMultipleInstanceAddresses(c *gc.C) {
	nic0IPConfiguration := makeIPConfiguration("10.0.0.4")
	nic1IPConfiguration := makeIPConfiguration("10.0.0.5")
	s.networkInterfaces = []network.Interface{
		makeNetworkInterface("nic-0", "machine-0", nic0IPConfiguration),
		makeNetworkInterface("nic-1", "machine-1", nic1IPConfiguration),
	}
	s.publicIPAddresses = []network.PublicIPAddress{
		makePublicIPAddress("pip-0", "machine-0", "1.2.3.4"),
		makePublicIPAddress("pip-1", "machine-1", "1.2.3.5"),
	}
	instances := s.getInstances(c, "machine-0", "machine-1")
	c.Assert(instances, gc.HasLen, 2)

	inst0Addresses, err := instances[0].Addresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(inst0Addresses, jc.DeepEquals, jujunetwork.NewAddresses(
		"10.0.0.4", "1.2.3.4",
	))

	inst1Addresses, err := instances[1].Addresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(inst1Addresses, jc.DeepEquals, jujunetwork.NewAddresses(
		"10.0.0.5", "1.2.3.5",
	))
}

func (s *machinerSuite) TestSetMachineAddresses(c *gc.C) {
	c.Assert(s.machine0.Addresses(), gc.HasLen, 0)
	c.Assert(s.machine1.Addresses(), gc.HasLen, 0)

	addresses := network.NewAddresses("127.0.0.1", "8.8.8.8")

	args := params.SetMachinesAddresses{MachineAddresses: []params.MachineAddresses{
		{Tag: "machine-1", Addresses: params.FromNetworkAddresses(addresses)},
		{Tag: "machine-0", Addresses: params.FromNetworkAddresses(addresses)},
		{Tag: "machine-42", Addresses: params.FromNetworkAddresses(addresses)},
	}}

	result, err := s.machiner.SetMachineAddresses(args)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{nil},
			{apiservertesting.ErrUnauthorized},
			{apiservertesting.ErrUnauthorized},
		},
	})

	err = s.machine1.Refresh()
	c.Assert(err, jc.ErrorIsNil)

	expectedAddresses := network.NewAddresses("8.8.8.8", "127.0.0.1")
	c.Assert(s.machine1.MachineAddresses(), gc.DeepEquals, expectedAddresses)
	err = s.machine0.Refresh()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(s.machine0.MachineAddresses(), gc.HasLen, 0)
}

func (s *InstancePollerSuite) TestSetProviderAddressesFailure(c *gc.C) {
	s.st.SetErrors(
		errors.New("pow!"),                   // m1 := FindEntity("1")
		nil,                                  // m2 := FindEntity("2")
		errors.New("FAIL"),                   // m2.SetProviderAddresses()
		errors.NotProvisionedf("machine 42"), // FindEntity("3") (ensure wrapping is preserved)
	)
	oldAddrs := network.NewAddresses("0.1.2.3", "127.0.0.1", "8.8.8.8")
	newAddrs := network.NewAddresses("1.2.3.4", "8.4.4.8", "2001:db8::")
	s.st.SetMachineInfo(c, machineInfo{id: "1", providerAddresses: oldAddrs})
	s.st.SetMachineInfo(c, machineInfo{id: "2", providerAddresses: nil})

	result, err := s.api.SetProviderAddresses(params.SetMachinesAddresses{
		MachineAddresses: []params.MachineAddresses{
			{Tag: "machine-1"},
			{Tag: "machine-2", Addresses: params.FromNetworkAddresses(newAddrs...)},
			{Tag: "machine-3"},
		}},
	)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, jc.DeepEquals, s.machineErrorResults)

	s.st.CheckFindEntityCall(c, 0, "1")
	s.st.CheckFindEntityCall(c, 1, "2")
	s.st.CheckSetProviderAddressesCall(c, 2, newAddrs)
	s.st.CheckFindEntityCall(c, 3, "3")

	// Ensure machine 2 wasn't updated.
	machine, err := s.st.Machine("2")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(machine.ProviderAddresses(), gc.HasLen, 0)
}

func (s *publishSuite) TestPublisherSetsAPIHostPortsOnce(c *gc.C) {
	var mock mockAPIHostPortsSetter
	statePublish := newPublisher(&mock)

	hostPorts1 := network.AddressesWithPort(network.NewAddresses("testing1.invalid", "127.0.0.1"), 1234)
	hostPorts2 := network.AddressesWithPort(network.NewAddresses("testing2.invalid", "127.0.0.2"), 1234)

	// statePublish.publishAPIServers should not update state a second time.
	apiServers := [][]network.HostPort{hostPorts1}
	for i := 0; i < 2; i++ {
		err := statePublish.publishAPIServers(apiServers, nil)
		c.Assert(err, gc.IsNil)
	}

	c.Assert(mock.calls, gc.Equals, 1)
	c.Assert(mock.apiHostPorts, gc.DeepEquals, apiServers)

	apiServers = append(apiServers, hostPorts2)
	for i := 0; i < 2; i++ {
		err := statePublish.publishAPIServers(apiServers, nil)
		c.Assert(err, gc.IsNil)
	}
	c.Assert(mock.calls, gc.Equals, 2)
	c.Assert(mock.apiHostPorts, gc.DeepEquals, apiServers)
}

func (s *machinerSuite) TestSetMachineAddresses(c *gc.C) {
	machine, err := s.machiner.Machine(names.NewMachineTag("1"))
	c.Assert(err, jc.ErrorIsNil)

	addr := s.machine.Addresses()
	c.Assert(addr, gc.HasLen, 0)

	setAddresses := network.NewAddresses(
		"8.8.8.8",
		"127.0.0.1",
		"10.0.0.1",
	)
	// Before setting, the addresses are sorted to put public on top,
	// cloud-local next, machine-local last.
	expectAddresses := network.NewAddresses(
		"8.8.8.8",
		"10.0.0.1",
		"127.0.0.1",
	)
	err = machine.SetMachineAddresses(setAddresses)
	c.Assert(err, jc.ErrorIsNil)

	err = s.machine.Refresh()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(s.machine.MachineAddresses(), jc.DeepEquals, expectAddresses)
}

func (s *NetworkSuite) TestFilterBridgeAddresses(c *gc.C) {
	lxcFakeNetConfig := filepath.Join(c.MkDir(), "lxc-net")
	// We create an LXC bridge named "foobar", and then put 10.0.3.1,
	// 10.0.3.4 and 10.0.3.5/24 on that bridge.
	// We also put 10.0.4.1 and 10.0.5.1/24 onto whatever bridge LXD is
	// configured to use.
	netConf := []byte(`
  # comments ignored
LXC_BR= ignored
LXC_ADDR = "fooo"
 LXC_BRIDGE = " foobar " # detected, spaces stripped
anything else ignored
LXC_BRIDGE="ignored"`[1:])
	err := ioutil.WriteFile(lxcFakeNetConfig, netConf, 0644)
	c.Assert(err, jc.ErrorIsNil)
	s.PatchValue(&network.InterfaceByNameAddrs, func(name string) ([]net.Addr, error) {
		if name == "foobar" {
			return []net.Addr{
				&net.IPAddr{IP: net.IPv4(10, 0, 3, 1)},
				&net.IPAddr{IP: net.IPv4(10, 0, 3, 4)},
				// Try a CIDR 10.0.3.5/24 as well.
				&net.IPNet{IP: net.IPv4(10, 0, 3, 5), Mask: net.IPv4Mask(255, 255, 255, 0)},
			}, nil
		} else if name == network.DefaultLXDBridge {
			return []net.Addr{
				&net.IPAddr{IP: net.IPv4(10, 0, 4, 1)},
				// Try a CIDR 10.0.5.1/24 as well.
				&net.IPNet{IP: net.IPv4(10, 0, 5, 1), Mask: net.IPv4Mask(255, 255, 255, 0)},
			}, nil
		}
		c.Fatalf("unknown bridge name: %q", name)
		return nil, nil
	})
	s.PatchValue(&network.LXCNetDefaultConfig, lxcFakeNetConfig)

	inputAddresses := network.NewAddresses(
		"127.0.0.1",
		"2001:db8::1",
		"10.0.0.1",
		"10.0.3.1",  // filtered (directly as IP)
		"10.0.3.3",  // filtered (by the 10.0.3.5/24 CIDR)
		"10.0.3.5",  // filtered (directly)
		"10.0.3.4",  // filtered (directly)
		"10.0.4.1",  // filtered (directly from LXD bridge)
		"10.0.5.10", // filtered (from LXD bridge, 10.0.5.1/24)
		"10.0.6.10", // unfiltered
		"192.168.123.42",
	)
	filteredAddresses := network.NewAddresses(
		"127.0.0.1",
		"2001:db8::1",
		"10.0.0.1",
		"10.0.6.10",
		"192.168.123.42",
	)
	c.Assert(network.FilterBridgeAddresses(inputAddresses), jc.DeepEquals, filteredAddresses)
}

func (suite *StateSuite) TestGetAddressesIgnoresAddressesErrors(c *gc.C) {
	instances := []instance.Instance{
		&mockInstance{
			addresses:    network.NewAddresses("one"),
			addressesErr: errors.New("ignored"),
		},
		&mockInstance{addresses: network.NewAddresses("two", "three")},
	}
	c.Check(common.GetAddresses(instances), gc.DeepEquals, []string{"two", "three"})
}

func (suite *StateSuite) TestGetAddressesIgnoresNils(c *gc.C) {
	instances := []instance.Instance{
		nil,
		&mockInstance{addresses: network.NewAddresses("foo")},
		nil,
		&mockInstance{addresses: network.NewAddresses("bar")},
		nil,
	}
	c.Check(common.GetAddresses(instances), gc.DeepEquals, []string{"foo", "bar"})
	c.Check(common.GetAddresses(nil), gc.DeepEquals, []string{})
}

func (*suite) TestSetAPIHostPorts(c *gc.C) {
	conf, err := agent.NewAgentConfig(attributeParams)
	c.Assert(err, jc.ErrorIsNil)

	addrs, err := conf.APIAddresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(addrs, gc.DeepEquals, attributeParams.APIAddresses)

	// All the best candidate addresses for each server are
	// used. Cloud-local addresses are preferred.  Otherwise, public
	// or unknown scope addresses are used.
	//
	// If a server has only machine-local addresses, or none
	// at all, then it will be excluded.
	server1 := network.NewAddresses("0.1.0.1", "0.1.0.2", "host.com")
	server1[0].Scope = network.ScopeCloudLocal
	server1[1].Scope = network.ScopeCloudLocal
	server1[2].Scope = network.ScopePublic

	server2 := network.NewAddresses("0.2.0.1", "0.2.0.2")
	server2[0].Scope = network.ScopePublic
	server2[1].Scope = network.ScopePublic

	server3 := network.NewAddresses("127.0.0.1")
	server3[0].Scope = network.ScopeMachineLocal

	server4 := network.NewAddresses("0.4.0.1", "elsewhere.net")
	server4[0].Scope = network.ScopeUnknown
	server4[1].Scope = network.ScopeUnknown

	conf.SetAPIHostPorts([][]network.HostPort{
		network.AddressesWithPort(server1, 1111),
		network.AddressesWithPort(server2, 2222),
		network.AddressesWithPort(server3, 3333),
		network.AddressesWithPort(server4, 4444),
	})
	addrs, err = conf.APIAddresses()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(addrs, gc.DeepEquals, []string{
		"0.1.0.1:1111",
		"0.1.0.2:1111",
		"host.com:1111",
		"0.2.0.1:2222",
		"0.2.0.2:2222",
		"0.4.0.1:4444",
		"elsewhere.net:4444",
	})
}

func (s *machineConfigSuite) TestMachineConfig(c *gc.C) {
	addrs := network.NewAddresses("1.2.3.4")
	hc := instance.MustParseHardware("mem=4G arch=amd64")
	apiParams := params.AddMachineParams{
		Jobs:       []multiwatcher.MachineJob{multiwatcher.JobHostUnits},
		InstanceId: instance.Id("1234"),
		Nonce:      "foo",
		HardwareCharacteristics: hc,
		Addrs: params.FromNetworkAddresses(addrs...),
	}
	machines, err := s.APIState.Client().AddMachines([]params.AddMachineParams{apiParams})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(len(machines), gc.Equals, 1)

	machineId := machines[0].Machine
	instanceConfig, err := client.InstanceConfig(s.State, machineId, apiParams.Nonce, "")
	c.Assert(err, jc.ErrorIsNil)

	cfg, err := s.State.ControllerConfig()
	c.Assert(err, jc.ErrorIsNil)
	apiAddrs := []string{net.JoinHostPort("localhost", strconv.Itoa(cfg.APIPort()))}

	c.Check(instanceConfig.APIInfo.Addrs, gc.DeepEquals, apiAddrs)
	toolsURL := fmt.Sprintf("https://%s/model/%s/tools/%s",
		apiAddrs[0], jujutesting.ModelTag.Id(), instanceConfig.AgentVersion())
	c.Assert(instanceConfig.ToolsList().URLs(), jc.DeepEquals, map[version.Binary][]string{
		instanceConfig.AgentVersion(): []string{toolsURL},
	})
}

func (s *machinerSuite) TestSetEmptyMachineAddresses(c *gc.C) {
	// Set some addresses so we can ensure they are removed.
	addresses := network.NewAddresses("127.0.0.1", "8.8.8.8")
	args := params.SetMachinesAddresses{MachineAddresses: []params.MachineAddresses{
		{Tag: "machine-1", Addresses: params.FromNetworkAddresses(addresses)},
	}}
	result, err := s.machiner.SetMachineAddresses(args)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{nil},
		},
	})
	err = s.machine1.Refresh()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(s.machine1.MachineAddresses(), gc.HasLen, 2)

	args.MachineAddresses[0].Addresses = nil
	result, err = s.machiner.SetMachineAddresses(args)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{nil},
		},
	})

	err = s.machine1.Refresh()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(s.machine1.MachineAddresses(), gc.HasLen, 0)
}