Golang ip.NewSimpleInterfaceAddress函数代码示例

func (net UbuntuNetManager) ifaceAddresses(staticConfigs []StaticInterfaceConfiguration, dhcpConfigs []DHCPInterfaceConfiguration) ([]boship.InterfaceAddress, []boship.InterfaceAddress) {
	staticAddresses := []boship.InterfaceAddress{}
	for _, iface := range staticConfigs {
		staticAddresses = append(staticAddresses, boship.NewSimpleInterfaceAddress(iface.Name, iface.Address))
	}
	dynamicAddresses := []boship.InterfaceAddress{}
	for _, iface := range dhcpConfigs {
		dynamicAddresses = append(dynamicAddresses, boship.NewResolvingInterfaceAddress(iface.Name, net.ipResolver))
	}

	return staticAddresses, dynamicAddresses
}

func (net centosNetManager) broadcastIps(staticInterfaceConfigurations []StaticInterfaceConfiguration, dhcpInterfaceConfigurations []DHCPInterfaceConfiguration, errCh chan error) {
	addresses := []boship.InterfaceAddress{}
	for _, iface := range staticInterfaceConfigurations {
		addresses = append(addresses, boship.NewSimpleInterfaceAddress(iface.Name, iface.Address))
	}
	for _, iface := range dhcpInterfaceConfigurations {
		addresses = append(addresses, boship.NewResolvingInterfaceAddress(iface.Name, net.ipResolver))
	}

	go func() {
		net.addressBroadcaster.BroadcastMACAddresses(addresses)
		if errCh != nil {
			errCh <- nil
		}
	}()
}

func (c customNetwork) ToInterfaceAddress() boship.InterfaceAddress {
	return boship.NewSimpleInterfaceAddress(c.Interface, c.IP)
}

//.........这里部分代码省略.........
						"netA": {
							"default": ["dns", "gateway"],
							"ip": "2.2.2.2",
							"dns": [
								"8.8.8.8",
								"4.4.4.4"
							],
							"netmask": "255.255.255.0",
							"gateway": "2.2.2.0",
							"mac": "aa:bb:cc"
						}
					}
				}`
				})

				Context("and no physical network interfaces exist", func() {
					Context("and a single virtual network interface exists", func() {
						BeforeEach(func() {
							stubInterfaces([][]string{[]string{"lo", "aa:bb:cc", "virtual"}})
						})

						It("raises an error", func() {
							err := boot.Run()
							Expect(err).To(HaveOccurred())
							Expect(err.Error()).To(ContainSubstring("Number of network settings '1' is greater than the number of network devices '0"))
						})
					})
				})

				Context("and a single physical network interface exists", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and extra physical network interfaces exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"eth1", "aa:bb:dd", "physical"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {
						err := boot.Run()
						Expect(err).NotTo(HaveOccurred())
					})
				})

				Context("and extra virtual network interfaces exist", func() {
					BeforeEach(func() {
						stubInterfaces([][]string{[]string{"eth0", "aa:bb:cc", "physical"}, []string{"lo", "aa:bb:ee", "virtual"}})
						interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
							boship.NewSimpleInterfaceAddress("eth0", "2.2.2.2"),
						}
					})

					It("succeeds", func() {

				resolvConf := fs.GetFileTestStat("/etc/resolv.conf")
				Expect(resolvConf).ToNot(BeNil())
				Expect(resolvConf.StringContents()).To(ContainSubstring(`
nameserver 10.80.130.2
nameserver 10.80.130.1
`))
			})

			It("starts broadcasting the MAC addresses", func() {
				err := netManager.SetupManualNetworking(networks, errCh)
				Expect(err).ToNot(HaveOccurred())

				<-errCh // wait for all arpings

				Expect(addressBroadcaster.BroadcastMACAddressesAddresses).To(Equal([]boship.InterfaceAddress{
					boship.NewSimpleInterfaceAddress("eth0", "192.168.195.6"),
				}))
			})
		})

		Context("when manual networking was previously configured with different configuration", func() {
			BeforeEach(func() {
				fs.WriteFileString("/etc/network/interfaces", "fake-manual-config")
			})

			It("updates /etc/network/interfaces", func() {
				err := netManager.SetupManualNetworking(networks, nil)
				Expect(err).ToNot(HaveOccurred())

				networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
				Expect(networkConfig).ToNot(BeNil())

func describeCentosNetManager() {
	var (
		fs                            *fakesys.FakeFileSystem
		cmdRunner                     *fakesys.FakeCmdRunner
		ipResolver                    *fakeip.FakeResolver
		interfaceAddrsProvider        *fakeip.FakeInterfaceAddressesProvider
		addressBroadcaster            *fakearp.FakeAddressBroadcaster
		netManager                    Manager
		interfaceConfigurationCreator InterfaceConfigurationCreator
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		ipResolver = &fakeip.FakeResolver{}
		logger := boshlog.NewLogger(boshlog.LevelNone)
		interfaceConfigurationCreator = NewInterfaceConfigurationCreator(logger)
		interfaceAddrsProvider = &fakeip.FakeInterfaceAddressesProvider{}
		interfaceAddrsValidator := boship.NewInterfaceAddressesValidator(interfaceAddrsProvider)
		dnsValidator := NewDNSValidator(fs)
		addressBroadcaster = &fakearp.FakeAddressBroadcaster{}
		netManager = NewCentosNetManager(
			fs,
			cmdRunner,
			ipResolver,
			interfaceConfigurationCreator,
			interfaceAddrsValidator,
			dnsValidator,
			addressBroadcaster,
			logger,
		)
	})

	writeNetworkDevice := func(iface string, macAddress string, isPhysical bool) string {
		interfacePath := fmt.Sprintf("/sys/class/net/%s", iface)
		fs.WriteFile(interfacePath, []byte{})
		if isPhysical {
			fs.WriteFile(fmt.Sprintf("/sys/class/net/%s/device", iface), []byte{})
		}
		fs.WriteFileString(fmt.Sprintf("/sys/class/net/%s/address", iface), fmt.Sprintf("%s\n", macAddress))

		return interfacePath
	}

	Describe("SetupNetworking", func() {
		var (
			dhcpNetwork                           boshsettings.Network
			staticNetwork                         boshsettings.Network
			expectedNetworkConfigurationForStatic string
			expectedNetworkConfigurationForDHCP   string
			expectedDhclientConfiguration         string
		)

		BeforeEach(func() {
			dhcpNetwork = boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-dhcp-mac-address",
			}
			staticNetwork = boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}
			interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("ethstatic", "1.2.3.4"),
			}
			fs.WriteFileString("/etc/resolv.conf", `
nameserver 8.8.8.8
nameserver 9.9.9.9
`)

			expectedNetworkConfigurationForStatic = `DEVICE=ethstatic
BOOTPROTO=static
IPADDR=1.2.3.4
NETMASK=255.255.255.0
BROADCAST=1.2.3.255
GATEWAY=3.4.5.6
ONBOOT=yes
PEERDNS=no
DNS1=8.8.8.8
DNS2=9.9.9.9
`

			expectedNetworkConfigurationForDHCP = `DEVICE=ethdhcp
BOOTPROTO=dhcp
ONBOOT=yes
PEERDNS=yes
`

			expectedDhclientConfiguration = `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
						Mac:                 "aa::bb::cc",
						Gateway:             "10.10.0.1",
					},
				}))
				Expect(dhcpInterfaceConfigurations).To(BeEmpty())
				Expect(dnsServers).To(Equal([]string{"54.209.78.6", "127.0.0.5"}))
			})
		})
	})

	Describe("SetupNetworking", func() {
		var (
			dhcpNetwork                                  boshsettings.Network
			staticNetwork                                boshsettings.Network
			expectedNetworkConfigurationForStaticAndDhcp string
		)

		BeforeEach(func() {
			dhcpNetwork = boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-dhcp-mac-address",
			}
			staticNetwork = boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Default: []string{"gateway"},
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}
			interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("ethstatic", "1.2.3.4"),
			}
			fs.WriteFileString("/etc/resolv.conf", `
nameserver 8.8.8.8
nameserver 9.9.9.9
`)
			expectedNetworkConfigurationForStaticAndDhcp = `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethdhcp
iface ethdhcp inet dhcp

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6

dns-nameservers 8.8.8.8 9.9.9.9`
		})

		It("writes interfaces in /etc/network/interfaces in alphabetic order", func() {
			anotherDHCPNetwork := boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-another-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{

var _ = Describe("InterfaceAddressesValidator", func() {
	var (
		interfaceAddrsProvider  *fakeip.FakeInterfaceAddressesProvider
		interfaceAddrsValidator boship.InterfaceAddressesValidator
	)

	BeforeEach(func() {
		interfaceAddrsProvider = &fakeip.FakeInterfaceAddressesProvider{}
		interfaceAddrsValidator = boship.NewInterfaceAddressesValidator(interfaceAddrsProvider)
	})

	Context("when networks match", func() {
		BeforeEach(func() {
			interfaceAddrsProvider.GetInterfaceAddresses = []boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("eth0", "1.2.3.4"),
				boship.NewSimpleInterfaceAddress("eth1", "5.6.7.8"),
			}
		})

		It("returns nil", func() {
			err := interfaceAddrsValidator.Validate([]boship.InterfaceAddress{
				boship.NewSimpleInterfaceAddress("eth0", "1.2.3.4"),
				boship.NewSimpleInterfaceAddress("eth1", "5.6.7.8"),
			})
			Expect(err).ToNot(HaveOccurred())
		})
	})

	Context("when desired networks do not match actual network IP address", func() {
		BeforeEach(func() {