Golang network.NewAddress函数代码示例

func mockedAPIState(flags mockedStateFlags) *mockAPIState {
	hasHostPort := flags&mockedHostPort == mockedHostPort
	hasEnvironTag := flags&mockedEnvironTag == mockedEnvironTag
	preferIPv6 := flags&mockedPreferIPv6 == mockedPreferIPv6

	apiHostPorts := [][]network.HostPort{}
	if hasHostPort {
		ipv4Address := network.NewAddress("0.1.2.3", network.ScopeUnknown)
		ipv6Address := network.NewAddress("fc00::1", network.ScopeUnknown)
		if preferIPv6 {
			apiHostPorts = [][]network.HostPort{
				network.AddressesWithPort([]network.Address{ipv6Address, ipv4Address}, 1234),
			}
		} else {
			apiHostPorts = [][]network.HostPort{
				network.AddressesWithPort([]network.Address{ipv4Address, ipv6Address}, 1234),
			}
		}
	}
	environTag := ""
	if hasEnvironTag {
		environTag = "environment-fake-uuid"
	}
	return &mockAPIState{
		apiHostPorts: apiHostPorts,
		environTag:   environTag,
	}
}

func (s *SubnetSuite) TestSubnetRemoveKillsAddresses(c *gc.C) {
	subnetInfo := state.SubnetInfo{CIDR: "192.168.1.0/24"}
	subnet, err := s.State.AddSubnet(subnetInfo)
	c.Assert(err, jc.ErrorIsNil)

	_, err = s.State.AddIPAddress(
		network.NewAddress("192.168.1.0"),
		subnet.ID(),
	)
	c.Assert(err, jc.ErrorIsNil)
	_, err = s.State.AddIPAddress(
		network.NewAddress("192.168.1.1"),
		subnet.ID(),
	)
	c.Assert(err, jc.ErrorIsNil)

	err = subnet.EnsureDead()
	c.Assert(err, jc.ErrorIsNil)
	err = subnet.Remove()
	c.Assert(err, jc.ErrorIsNil)

	_, err = s.State.IPAddress("192.168.1.0")
	c.Assert(err, jc.Satisfies, errors.IsNotFound)
	_, err = s.State.IPAddress("192.168.1.1")
	c.Assert(err, jc.Satisfies, errors.IsNotFound)
}

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.Address{
		network.NewAddress("127.0.0.1", network.ScopeUnknown),
		network.NewAddress("8.8.8.8", network.ScopeUnknown),
	}

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

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

	err = s.machine1.Refresh()
	c.Assert(err, gc.IsNil)
	c.Assert(s.machine1.MachineAddresses(), gc.DeepEquals, addresses)
	err = s.machine0.Refresh()
	c.Assert(err, gc.IsNil)
	c.Assert(s.machine0.MachineAddresses(), gc.HasLen, 0)
}

func (s *lxcBrokerSuite) TestSetupRoutesAndIPTablesAddsRuleIfMissing(c *gc.C) {
	// Isolate the test from the host machine. Because PatchExecutable
	// does not allow us to assert on subsequent executions of the
	// same binary, we need to replace the iptables commands with
	// separate ones. The check returns code=1 to trigger calling
	// add.
	fakeptablesRules := map[string]provisioner.IptablesRule{
		"IPTablesSNAT": {
			"nat",
			"POSTROUTING",
			"{{.HostIF}} {{.HostIP}}",
		},
	}
	s.PatchValue(provisioner.IptablesRules, fakeptablesRules)

	gitjujutesting.PatchExecutableAsEchoArgs(c, s, "iptables", 1, 0)
	gitjujutesting.PatchExecutableAsEchoArgs(c, s, "ip")

	ifaceInfo := []network.InterfaceInfo{{
		Address: network.NewAddress("0.1.2.3"),
	}}

	addr := network.NewAddress("0.1.2.1")
	err := provisioner.SetupRoutesAndIPTables("nic", addr, "bridge", ifaceInfo, false)
	c.Assert(err, jc.ErrorIsNil)

	// Now verify the expected commands - since check returns 1, add
	// will be called before ip route add.

	gitjujutesting.AssertEchoArgs(c, "iptables", "-t", "nat", "-C", "POSTROUTING", "nic", "0.1.2.1")
	gitjujutesting.AssertEchoArgs(c, "iptables", "-t", "nat", "-I", "POSTROUTING", "1", "nic", "0.1.2.1")
	gitjujutesting.AssertEchoArgs(c, "ip", "route", "add", "0.1.2.3", "dev", "bridge")
}

func mockedAPIState(flags mockedStateFlags) *mockAPIState {
	hasHostPort := flags&mockedHostPort == mockedHostPort
	hasEnvironTag := flags&mockedEnvironTag == mockedEnvironTag
	preferIPv6 := flags&mockedPreferIPv6 == mockedPreferIPv6
	addr := ""

	apiHostPorts := [][]network.HostPort{}
	if hasHostPort {
		var apiAddrs []network.Address
		ipv4Address := network.NewAddress("0.1.2.3")
		ipv6Address := network.NewAddress("2001:db8::1")
		if preferIPv6 {
			addr = net.JoinHostPort(ipv6Address.Value, "1234")
			apiAddrs = append(apiAddrs, ipv6Address, ipv4Address)
		} else {
			addr = net.JoinHostPort(ipv4Address.Value, "1234")
			apiAddrs = append(apiAddrs, ipv4Address, ipv6Address)
		}
		apiHostPorts = [][]network.HostPort{
			network.AddressesWithPort(apiAddrs, 1234),
		}
	}
	environTag := ""
	if hasEnvironTag {
		environTag = "environment-df136476-12e9-11e4-8a70-b2227cce2b54"
	}
	return &mockAPIState{
		apiHostPorts: apiHostPorts,
		environTag:   environTag,
		addr:         addr,
	}
}

func (*HostPortSuite) TestParseHostPortsSuccess(c *gc.C) {
	for i, test := range []struct {
		args   []string
		expect []network.HostPort
	}{{
		args:   nil,
		expect: []network.HostPort{},
	}, {
		args:   []string{"1.2.3.4:42"},
		expect: network.NewHostPorts(42, "1.2.3.4"),
	}, {
		args:   []string{"[fc00::1]:1234"},
		expect: network.NewHostPorts(1234, "fc00::1"),
	}, {
		args: []string{"[fc00::1]:1234", "127.0.0.1:4321", "example.com:42"},
		expect: []network.HostPort{
			{network.NewAddress("fc00::1"), 1234},
			{network.NewAddress("127.0.0.1"), 4321},
			{network.NewAddress("example.com"), 42},
		},
	}} {
		c.Logf("test %d: args %v", i, test.args)
		hps, err := network.ParseHostPorts(test.args...)
		c.Check(err, jc.ErrorIsNil)
		c.Check(hps, jc.DeepEquals, test.expect)
	}
}

func (s *suite) TestAllocateAddress(c *gc.C) {
	e := s.bootstrapTestEnviron(c, false)
	defer func() {
		err := e.Destroy()
		c.Assert(err, gc.IsNil)
	}()

	inst, _ := jujutesting.AssertStartInstance(c, e, "0")
	c.Assert(inst, gc.NotNil)
	netId := network.Id("net1")

	opc := make(chan dummy.Operation, 200)
	dummy.Listen(opc)

	expectAddress := network.NewAddress("0.1.2.1", network.ScopeCloudLocal)
	address, err := e.AllocateAddress(inst.Id(), netId)
	c.Assert(err, gc.IsNil)
	c.Assert(address, gc.DeepEquals, expectAddress)

	assertAllocateAddress(c, e, opc, inst.Id(), netId, expectAddress)

	expectAddress = network.NewAddress("0.1.2.2", network.ScopeCloudLocal)
	address, err = e.AllocateAddress(inst.Id(), netId)
	c.Assert(err, gc.IsNil)
	c.Assert(address, gc.DeepEquals, expectAddress)
	assertAllocateAddress(c, e, opc, inst.Id(), netId, expectAddress)
}

func (s *MachinerSuite) TestMachineAddresses(c *gc.C) {
	s.PatchValue(machiner.InterfaceAddrs, func() ([]net.Addr, error) {
		addrs := []net.Addr{
			&net.IPAddr{IP: net.IPv4(10, 0, 0, 1)},
			&net.IPAddr{IP: net.IPv4(127, 0, 0, 1)},
			&net.IPAddr{IP: net.IPv6loopback},
			&net.UnixAddr{}, // not IP, ignored
			&net.IPNet{IP: net.ParseIP("2001:db8::1")},
			&net.IPAddr{IP: net.IPv4(169, 254, 1, 20)}, // LinkLocal Ignored
			&net.IPNet{IP: net.ParseIP("fe80::1")},     // LinkLocal Ignored
		}
		return addrs, nil
	})
	mr := s.makeMachiner()
	defer worker.Stop(mr)
	c.Assert(s.machine.Destroy(), gc.IsNil)
	s.State.StartSync()
	c.Assert(mr.Wait(), gc.Equals, worker.ErrTerminateAgent)
	c.Assert(s.machine.Refresh(), gc.IsNil)
	c.Assert(s.machine.MachineAddresses(), jc.DeepEquals, []network.Address{
		network.NewAddress("2001:db8::1", network.ScopeUnknown),
		network.NewAddress("::1", network.ScopeMachineLocal),
		network.NewAddress("10.0.0.1", network.ScopeCloudLocal),
		network.NewAddress("127.0.0.1", network.ScopeMachineLocal),
	})
}

// mockedAPIState returns a mocked-up implementation
// of api.Connection. The logical OR of the flags specifies
// whether to include a fake host port and model tag
// in the result.
func mockedAPIState(flags mockedStateFlags) *mockAPIState {
	hasHostPort := flags&mockedHostPort == mockedHostPort
	hasModelTag := flags&mockedModelTag == mockedModelTag
	addr := ""

	apiHostPorts := [][]network.HostPort{}
	if hasHostPort {
		var apiAddrs []network.Address
		ipv4Address := network.NewAddress("0.1.2.3")
		ipv6Address := network.NewAddress("2001:db8::1")
		addr = net.JoinHostPort(ipv4Address.Value, "1234")
		apiAddrs = append(apiAddrs, ipv4Address, ipv6Address)
		apiHostPorts = [][]network.HostPort{
			network.AddressesWithPort(apiAddrs, 1234),
		}
	}
	modelTag := ""
	if hasModelTag {
		modelTag = "model-df136476-12e9-11e4-8a70-b2227cce2b54"
	}
	return &mockAPIState{
		apiHostPorts:  apiHostPorts,
		modelTag:      modelTag,
		controllerTag: testing.ControllerTag.Id(),
		addr:          addr,
	}
}

func (s *unitSuite) TestWatchAddresses(c *gc.C) {
	w, err := s.apiUnit.WatchAddresses()
	c.Assert(err, jc.ErrorIsNil)
	wc := watchertest.NewNotifyWatcherC(c, w, s.BackingState.StartSync)
	defer wc.AssertStops()

	// Initial event.
	wc.AssertOneChange()

	// Update config a couple of times, check a single event.
	err = s.wordpressMachine.SetProviderAddresses(network.NewAddress("0.1.2.3"))
	c.Assert(err, jc.ErrorIsNil)
	err = s.wordpressMachine.SetProviderAddresses(network.NewAddress("0.1.2.4"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertOneChange()

	// Non-change is not reported.
	err = s.wordpressMachine.SetProviderAddresses(network.NewAddress("0.1.2.4"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertNoChange()

	// Change is reported for machine addresses.
	err = s.wordpressMachine.SetMachineAddresses(network.NewAddress("0.1.2.5"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertOneChange()

	// Set machine addresses to empty is reported.
	err = s.wordpressMachine.SetMachineAddresses()
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertOneChange()
}

func (s *FilterSuite) TestConfigEvents(c *gc.C) {
	f, err := filter.NewFilter(s.uniter, s.unit.Tag().(names.UnitTag))
	c.Assert(err, jc.ErrorIsNil)
	defer statetesting.AssertStop(c, f)

	err = s.machine.SetProviderAddresses(network.NewAddress("0.1.2.3"))
	c.Assert(err, jc.ErrorIsNil)

	// Test no changes before the charm URL is set.
	configC := s.notifyAsserterC(c, f.ConfigEvents())
	configC.AssertNoReceive()

	// Set the charm URL to trigger config events.
	err = f.SetCharm(s.wpcharm.URL())
	c.Assert(err, jc.ErrorIsNil)
	s.EvilSync()
	configC.AssertOneReceive()

	// Change the config; new event received.
	changeConfig := func(title interface{}) {
		err := s.wordpress.UpdateConfigSettings(charm.Settings{
			"blog-title": title,
		})
		c.Assert(err, jc.ErrorIsNil)
	}
	changeConfig("20,000 leagues in the cloud")
	configC.AssertOneReceive()

	// Change the config a few more times, then reset the events. We sync to
	// make sure the events have arrived in the watcher -- and then wait a
	// little longer, to allow for the delay while the events are coalesced
	// -- before we tell it to discard all received events. This would be
	// much better tested by controlling a mocked-out watcher directly, but
	// that's a bit inconvenient for this change.
	changeConfig(nil)
	changeConfig("the curious incident of the dog in the cloud")
	s.EvilSync()
	f.DiscardConfigEvent()
	configC.AssertNoReceive()

	// Change the addresses of the unit's assigned machine; new event received.
	err = s.machine.SetProviderAddresses(network.NewAddress("0.1.2.4"))
	c.Assert(err, jc.ErrorIsNil)
	s.BackingState.StartSync()
	configC.AssertOneReceive()

	// Check that a filter's initial event works with DiscardConfigEvent
	// as expected.
	f, err = filter.NewFilter(s.uniter, s.unit.Tag().(names.UnitTag))
	c.Assert(err, jc.ErrorIsNil)
	defer statetesting.AssertStop(c, f)
	s.BackingState.StartSync()
	f.DiscardConfigEvent()
	configC.AssertNoReceive()

	// Further changes are still collapsed as appropriate.
	changeConfig("forsooth")
	changeConfig("imagination failure")
	configC.AssertOneReceive()
}

func (s *lxcBrokerSuite) TestSetupRoutesAndIPTablesIPTablesAddError(c *gc.C) {
	// Isolate the test from the host machine. Patch iptables with a
	// script which returns code=1 for the check but fails when adding
	// the rule.
	script := `if [[ "$3" == "-C" ]]; then exit 1; else exit 42; fi`
	gitjujutesting.PatchExecutable(c, s, "iptables", script)
	gitjujutesting.PatchExecutableThrowError(c, s, "ip", 123)

	fakeptablesRules := map[string]provisioner.IptablesRule{
		"IPTablesSNAT": {
			"nat",
			"POSTROUTING",
			"{{.HostIF}} {{.HostIP}}",
		},
	}
	s.PatchValue(provisioner.IptablesRules, fakeptablesRules)

	ifaceInfo := []network.InterfaceInfo{{
		Address: network.NewAddress("0.1.2.3"),
	}}

	addr := network.NewAddress("0.1.2.1")
	err := provisioner.SetupRoutesAndIPTables("nic", addr, "bridge", ifaceInfo, false)
	c.Assert(err, gc.ErrorMatches, `command "iptables -t nat -I .*" failed with exit code 42`)
}

func (s *kvmProvisionerSuite) SetUpTest(c *gc.C) {
	s.CommonProvisionerSuite.SetUpTest(c)
	s.kvmSuite.SetUpTest(c)

	// The kvm provisioner actually needs the machine it is being created on
	// to be in state, in order to get the watcher.
	m, err := s.State.AddMachine(coretesting.FakeDefaultSeries, state.JobHostUnits, state.JobManageEnviron)
	c.Assert(err, gc.IsNil)
	err = m.SetAddresses(network.NewAddress("0.1.2.3", network.ScopeUnknown))
	c.Assert(err, gc.IsNil)

	hostPorts := [][]network.HostPort{{{
		Address: network.NewAddress("0.1.2.3", network.ScopeUnknown),
		Port:    1234,
	}}}
	err = s.State.SetAPIHostPorts(hostPorts)
	c.Assert(err, gc.IsNil)

	s.machineId = m.Id()
	s.APILogin(c, m)
	err = m.SetAgentVersion(version.Current)
	c.Assert(err, gc.IsNil)

	s.events = make(chan mock.Event, 25)
	s.ContainerFactory.AddListener(s.events)
}

func (s *InterfaceInfoSuite) TestAdditionalFields(c *gc.C) {
	c.Check(s.info[3].ConfigType, gc.Equals, network.ConfigDHCP)
	c.Check(s.info[3].NoAutoStart, jc.IsTrue)
	c.Check(s.info[4].Address, jc.DeepEquals, network.NewAddress("0.1.2.3"))
	c.Check(s.info[5].DNSServers, jc.DeepEquals, network.NewAddresses("1.1.1.1", "2.2.2.2"))
	c.Check(s.info[6].GatewayAddress, jc.DeepEquals, network.NewAddress("4.3.2.1"))
	c.Check(s.info[7].AvailabilityZones, jc.DeepEquals, []string{"foo", "bar"})
}

func (fakeAddresses) APIHostPorts() ([][]network.HostPort, error) {
	return [][]network.HostPort{{{
		Address: network.NewAddress("apiaddresses", network.ScopeUnknown),
		Port:    1,
	}}, {{
		Address: network.NewAddress("apiaddresses", network.ScopeUnknown),
		Port:    2,
	}}}, nil
}