Beispiel #1
0
			existingBridge *net.Interface
		)

		BeforeEach(func() {
			var err error
			netnsFD, err = ioutil.TempFile("", "")
			Expect(err).NotTo(HaveOccurred())

			existingBridge = &net.Interface{Name: "bridge"}
		})

		JustBeforeEach(func() {
			linkConfigurer.InterfaceByNameFunc = func(name string) (*net.Interface, bool, error) {
				if name == "bridge" {
					return existingBridge, true, nil
				}

				return nil, false, nil
			}
		})

		AfterEach(func() {
			Expect(os.Remove(netnsFD.Name())).To(Succeed())
		})

		It("creates a virtual ethernet pair", func() {
			config.HostIntf = "host"
			config.BridgeName = "bridge"
			config.ContainerIntf = "container"
			Expect(configurer.Apply(config, netnsFD)).To(Succeed())
Beispiel #2
0
	BeforeEach(func() {
		linkApplyr = &fakedevices.FakeLink{AddIPReturns: make(map[string]error)}
		configurer = &configure.Container{
			Link:   linkApplyr,
			Logger: lagertest.NewTestLogger("test"),
		}
	})

	Context("when the loopback device does not exist", func() {
		var eth *net.Interface
		BeforeEach(func() {
			linkApplyr.InterfaceByNameFunc = func(name string) (*net.Interface, bool, error) {
				if name != "lo" {
					return eth, true, nil
				}

				return nil, false, nil
			}
		})

		It("returns a wrapped error", func() {
			err := configurer.Apply(config)
			Expect(err).To(MatchError(&configure.FindLinkError{Cause: nil, Role: "loopback", Name: "lo"}))
		})

		It("does not attempt to configure other devices", func() {
			Expect(configurer.Apply(config)).ToNot(Succeed())
			Expect(linkApplyr.SetUpCalledWith).ToNot(ContainElement(eth))
		})
	})