Golang FakeFileSystem.SetGlob方法代碼示例

//.........這裏部分代碼省略.........

				fs                     *fakesys.FakeFileSystem
				platform               boshplatform.Platform
				boot                   Bootstrap
				defaultNetworkResolver boshsettings.DefaultNetworkResolver
				logger                 boshlog.Logger
				dirProvider            boshdirs.Provider

				interfaceAddrsProvider *fakeip.FakeInterfaceAddressesProvider
			)

			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
			}

			stubInterfaces := func(interfaces [][]string) {
				var interfacePaths []string

				for _, iface := range interfaces {
					interfaceName := iface[0]
					interfaceMAC := iface[1]
					interfaceType := iface[2]
					isPhysical := interfaceType == "physical"
					interfacePaths = append(interfacePaths, writeNetworkDevice(interfaceName, interfaceMAC, isPhysical))
				}

				fs.SetGlob("/sys/class/net/*", interfacePaths)
			}

			BeforeEach(func() {
				fs = fakesys.NewFakeFileSystem()
				runner := fakesys.NewFakeCmdRunner()
				dirProvider = boshdirs.NewProvider("/var/vcap/bosh")

				linuxOptions := boshplatform.LinuxOptions{
					CreatePartitionIfNoEphemeralDisk: true,
				}

				logger = boshlog.NewLogger(boshlog.LevelNone)

				diskManager := fakedisk.NewFakeDiskManager()
				diskManager.FakeMountsSearcher.SearchMountsMounts = []boshdisk.Mount{
					{MountPoint: "/", PartitionPath: "rootfs"},
					{MountPoint: "/", PartitionPath: "/dev/vda1"},
				}

				// for the GrowRootFS call to findRootDevicePath
				runner.AddCmdResult(
					"readlink -f /dev/vda1",
					fakesys.FakeCmdResult{Stdout: "/dev/vda1"},
				)

				// for the createEphemeralPartitionsOnRootDevice call to findRootDevicePath
				runner.AddCmdResult(
					"readlink -f /dev/vda1",
					fakesys.FakeCmdResult{Stdout: "/dev/vda1"},
				)

				diskManager.FakeRootDevicePartitioner.GetDeviceSizeInBytesSizes["/dev/vda"] = 1024 * 1024 * 1024

	Describe("DeleteFile()", func() {
		var (
			fakeFs *fakesys.FakeFileSystem
		)

		BeforeEach(func() {
			fakeFs = fakesys.NewFakeFileSystem()
		})

		It("only deletes the files with the given prefix", func() {
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_1.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_2.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/different_file_1.bar", "goodbye")
			fakeFs.SetGlob("/path/to/delete/stuff/in/delete_me_*", []string{
				"/path/to/delete/stuff/in/delete_me_1.foo",
				"/path/to/delete/stuff/in/delete_me_2.foo",
			})
			count, err := cert.DeleteFiles(fakeFs, "/path/to/delete/stuff/in/", "delete_me_")
			Expect(err).ToNot(HaveOccurred())
			Expect(count).To(Equal(2))
			Expect(countFiles(fakeFs, "/path/to/delete/stuff/in/")).To(Equal(1))
		})

		It("only deletes the files in the given path", func() {
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_1.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/delete/stuff/in/delete_me_2.foo", "goodbye")
			fakeFs.WriteFileString("/path/to/other/things/in/delete_me_3.foo", "goodbye")
			fakeFs.SetGlob("/path/to/delete/stuff/in/delete_me_*", []string{
				"/path/to/delete/stuff/in/delete_me_1.foo",
				"/path/to/delete/stuff/in/delete_me_2.foo",
			})

	Describe("GetRealDevicePath", func() {
		It("refreshes udev", func() {
			pathResolver.GetRealDevicePath(diskSettings)
			Expect(udev.Triggered).To(Equal(true))
			Expect(udev.Settled).To(Equal(true))
		})

		Context("when path exists", func() {
			BeforeEach(func() {
				err := fs.MkdirAll("fake-device-path", os.FileMode(0750))
				Expect(err).ToNot(HaveOccurred())

				err = fs.Symlink("fake-device-path", "/dev/disk/by-id/virtio-fake-disk-id-include")
				Expect(err).ToNot(HaveOccurred())

				fs.SetGlob("/dev/disk/by-id/*fake-disk-id-include", []string{"fake-device-path"})
			})

			It("returns the path", func() {
				path, timeout, err := pathResolver.GetRealDevicePath(diskSettings)
				Expect(err).ToNot(HaveOccurred())

				Expect(path).To(Equal("fake-device-path"))
				Expect(timeout).To(BeFalse())
			})
		})

		Context("when disks with the same ID but different virtio prefixes exist ", func() {
			BeforeEach(func() {
				err := fs.MkdirAll("fake-device-path-1", os.FileMode(0750))
				Expect(err).ToNot(HaveOccurred())

					Expect(err).ToNot(HaveOccurred())
				})
			})
		})
	})

	Describe("ChmodExecutables", func() {
		var (
			binGlob  string
			filePath string
		)

		BeforeEach(func() {
			binGlob = "fake-glob/*"
			filePath = "fake-glob/file"
			fs.SetGlob("fake-glob/*", []string{filePath})
			fs.WriteFileString(filePath, "content")
		})

		It("fetches the files", func() {
			fileMode := fs.GetFileTestStat(filePath).FileMode
			Expect(fileMode).To(Equal(os.FileMode(0)))

			err := extractor.ChmodExecutables(binGlob)
			Expect(err).ToNot(HaveOccurred())

			fileMode = fs.GetFileTestStat(filePath).FileMode
			Expect(fileMode).To(Equal(os.FileMode(0755)))
		})
	})
})

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

	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
	}

	stubInterfacesWithVirtual := func(physicalInterfaces map[string]boshsettings.Network, virtualInterfaces []string) {
		interfacePaths := []string{}

		for iface, networkSettings := range physicalInterfaces {
			interfacePaths = append(interfacePaths, writeNetworkDevice(iface, networkSettings.Mac, true))
		}

		for _, iface := range virtualInterfaces {
			interfacePaths = append(interfacePaths, writeNetworkDevice(iface, "virtual", false))
		}

		fs.SetGlob("/sys/class/net/*", interfacePaths)
	}

	stubInterfaces := func(physicalInterfaces map[string]boshsettings.Network) {
		stubInterfacesWithVirtual(physicalInterfaces, nil)
	}

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

	Describe("ComputeNetworkConfig", func() {
		Context("when there is one manual network and neither is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"manual": factory.Network{DNS: &[]string{"8.8.8.8"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})

		Context("when there is a vip network and a manual network and neither is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"vip":    boshsettings.Network{Type: "vip"},
					"manual": factory.Network{Type: "manual", DNS: &[]string{"8.8.8.8"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})
		Context("when there is a vip network and a manual network and the manual network is marked as default for DNS", func() {
			It("should use the manual network for DNS", func() {
				networks := boshsettings.Networks{
					"vip":    boshsettings.Network{Type: "vip"},
					"manual": factory.Network{Type: "manual", DNS: &[]string{"8.8.8.8"}, Default: []string{"dns"}}.Build(),
				}
				stubInterfaces(networks)
				_, _, dnsServers, err := netManager.ComputeNetworkConfig(networks)
				Expect(err).ToNot(HaveOccurred())
				Expect(dnsServers).To(Equal([]string{"8.8.8.8"}))
			})
		})

//.........這裏部分代碼省略.........

//.........這裏部分代碼省略.........

			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,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`
		})

		stubInterfacesWithVirtual := func(physicalInterfaces map[string]boshsettings.Network, virtualInterfaces []string) {
			interfacePaths := []string{}

			for iface, networkSettings := range physicalInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, networkSettings.Mac, true))
			}

			for _, iface := range virtualInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, "virtual", false))
			}

			fs.SetGlob("/sys/class/net/*", interfacePaths)
		}

		stubInterfaces := func(physicalInterfaces map[string]boshsettings.Network) {
			stubInterfacesWithVirtual(physicalInterfaces, nil)
		}

		It("writes a network script for static and dynamic interfaces", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			staticConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(staticConfig).ToNot(BeNil())
			Expect(staticConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

			dhcpConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethdhcp")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(expectedNetworkConfigurationForDHCP))
		})

		It("returns errors from glob /sys/class/net/", func() {
			fs.GlobErr = errors.New("fs-glob-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-glob-error"))
		})

		It("returns errors from writing the network configuration", func() {

			It("returns error", func() {
				_, err := fileBundleCollection.Get(testBundle{Name: "fake-bundle-name"})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(Equal("Missing bundle version"))
			})
		})
	})

	Describe("List", func() {
		installPath := "/fake-collection-path/data/fake-collection-name"
		enablePath := "/fake-collection-path/fake-collection-name"

		It("returns list of installed bundles", func() {
			fs.SetGlob(installPath+"/*/*", []string{
				installPath + "/fake-bundle-1-name/fake-bundle-1-version-1",
				installPath + "/fake-bundle-1-name/fake-bundle-1-version-2",
				installPath + "/fake-bundle-2-name/fake-bundle-2-version-1",
			})

			bundles, err := fileBundleCollection.List()
			Expect(err).ToNot(HaveOccurred())

			expectedBundles := []Bundle{
				NewFileBundle(
					installPath+"/fake-bundle-1-name/fake-bundle-1-version-1",
					enablePath+"/fake-bundle-1-name",
					fs,
					logger,
				),
				NewFileBundle(
					installPath+"/fake-bundle-1-name/fake-bundle-1-version-2",

			Expect(udev.Triggered).To(Equal(true))
			Expect(udev.Settled).To(Equal(true))
		})

		Context("when path exists", func() {
			BeforeEach(func() {
				err := fs.MkdirAll("/dev/fake-device-path", os.FileMode(0750))
				Expect(err).ToNot(HaveOccurred())

				err = fs.Symlink("/dev/fake-device-path", "/dev/intermediate/fake-device-path")
				Expect(err).ToNot(HaveOccurred())

				err = fs.Symlink("/dev/intermediate/fake-device-path", "/dev/disk/by-id/virtio-fake-disk-id-include")
				Expect(err).ToNot(HaveOccurred())

				fs.SetGlob("/dev/disk/by-id/*fake-disk-id-include", []string{"/dev/disk/by-id/virtio-fake-disk-id-include"})
			})

			It("returns fully resolved the path (not potentially relative symlink target)", func() {
				path, timeout, err := pathResolver.GetRealDevicePath(diskSettings)
				Expect(err).ToNot(HaveOccurred())

				Expect(path).To(Equal("/dev/fake-device-path"))
				Expect(timeout).To(BeFalse())
			})
		})

		Context("when disks with the same ID but different virtio prefixes exist ", func() {
			BeforeEach(func() {
				err := fs.MkdirAll("fake-device-path-1", os.FileMode(0750))
				Expect(err).ToNot(HaveOccurred())

	BeforeEach(func() {
		deviceID := "ab1b46b5-bf22-4332-bddd-12a05ea1a5fc"
		id = strings.Replace(deviceID, "-", "", -1)
		fs = fakesys.NewFakeFileSystem()
		pathResolver = NewSCSIIDDevicePathResolver(500*time.Millisecond, fs, boshlog.NewLogger(boshlog.LevelNone))
		diskSettings = boshsettings.DiskSettings{
			DeviceID: deviceID,
		}

		hosts = []string{
			"/sys/class/scsi_host/host0/scan",
			"/sys/class/scsi_host/host1/scan",
			"/sys/class/scsi_host/host2/scan",
		}
		fs.SetGlob("/sys/class/scsi_host/host*/scan", hosts)
		fs.SetGlob("/dev/disk/by-id/*"+id, []string{
			"/dev/disk/by-id/scsi-3" + id,
		})
	})

	Describe("GetRealDevicePath", func() {
		Context("when path exists", func() {
			BeforeEach(func() {
				err := fs.MkdirAll("fake-device-path", os.FileMode(0750))
				Expect(err).ToNot(HaveOccurred())

				err = fs.Symlink("fake-device-path", "/dev/disk/by-id/scsi-3"+id)
				Expect(err).ToNot(HaveOccurred())
			})

var _ = Describe("SCSIVolumeIDDevicePathResolver", func() {
	var (
		fs           *fakesys.FakeFileSystem
		resolver     DevicePathResolver
		diskSettings boshsettings.DiskSettings
	)

	const sleepInterval = time.Millisecond * 1

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		resolver = NewSCSIVolumeIDDevicePathResolver(sleepInterval, fs)

		fs.SetGlob("/sys/bus/scsi/devices/*:0:0:0/block/*", []string{
			"/sys/bus/scsi/devices/0:0:0:0/block/sr0",
			"/sys/bus/scsi/devices/6:0:0:0/block/sdd",
			"/sys/bus/scsi/devices/fake-host-id:0:0:0/block/sda",
		})

		fs.SetGlob("/sys/bus/scsi/devices/fake-host-id:0:fake-disk-id:0/block/*", []string{
			"/sys/bus/scsi/devices/fake-host-id:0:fake-disk-id:0/block/sdf",
		})

		diskSettings = boshsettings.DiskSettings{
			VolumeID: "fake-disk-id",
		}
	})

	Describe("GetRealDevicePath", func() {
		It("rescans the devices attached to the root disks scsi controller", func() {
			resolver.GetRealDevicePath(diskSettings)

//.........這裏部分代碼省略.........
					// bundle installation did not happen before decompression
					Expect(installedBeforeDecompression).To(BeFalse())

					// make sure that bundle install happened after decompression
					Expect(bundle.InstallSourcePath).To(Equal("/fake-tmp-dir/fake-path-in-archive"))
				})

				It("sets executable bit for the bin and config directories", func() {
					var binDirStats, configDirStats *fakesys.FakeFileStats
					compressor.DecompressFileToDirCallBack = func() {
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/blarg", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/blarg.yml", []byte{})
					}

					bundle.InstallCallBack = func() {
						binDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin")
						configDirStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config")
					}

					err := act()
					Expect(err).ToNot(HaveOccurred())

					Expect(int(binDirStats.FileMode)).To(Equal(0755))
					Expect(int(configDirStats.FileMode)).To(Equal(0755))
				})

				It("sets executable bit for files in bin", func() {
					compressor.DecompressFileToDirCallBack = func() {
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test1", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test2", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/test", []byte{})
					}

					fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/bin/*", []string{
						"/fake-tmp-dir/fake-path-in-archive/bin/test1",
						"/fake-tmp-dir/fake-path-in-archive/bin/test2",
					})

					var binTest1Stats, binTest2Stats, configTestStats *fakesys.FakeFileStats

					bundle.InstallCallBack = func() {
						binTest1Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test1")
						binTest2Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test2")
						configTestStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config/test")
					}

					err := act()
					Expect(err).ToNot(HaveOccurred())

					// bin files are executable
					Expect(int(binTest1Stats.FileMode)).To(Equal(0755))
					Expect(int(binTest2Stats.FileMode)).To(Equal(0755))

					// non-bin files are not made executable
					Expect(int(configTestStats.FileMode)).ToNot(Equal(0755))
				})

				It("sets 644 permissions for files in config", func() {
					compressor.DecompressFileToDirCallBack = func() {
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/config1", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/config2", []byte{})
					}

					fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/config/*", []string{
						"/fake-tmp-dir/fake-path-in-archive/config/config1",
						"/fake-tmp-dir/fake-path-in-archive/config/config2",

		fs = fakesys.NewFakeFileSystem()
		pathResolver = NewSCSILunDevicePathResolver(500*time.Millisecond, fs, boshlog.NewLogger(boshlog.LevelNone))
		diskSettings = boshsettings.DiskSettings{
			Lun:          lun,
			HostDeviceID: "fake-host-device-id",
		}

		hosts = []string{
			"/sys/class/scsi_host/host0/scan",
			"/sys/class/scsi_host/host1/scan",
			"/sys/class/scsi_host/host2/scan",
			"/sys/class/scsi_host/host3/scan",
			"/sys/class/scsi_host/host4/scan",
			"/sys/class/scsi_host/host5/scan",
		}
		fs.SetGlob("/sys/class/scsi_host/host*/scan", hosts)
		fs.SetGlob("/sys/bus/scsi/devices/*:*:*:"+lun+"/block/*", []string{
			"/sys/bus/scsi/devices/2:0:0:0/block/sda",
			"/sys/bus/scsi/devices/3:0:1:0/block/sdb",
			"/sys/bus/scsi/devices/5:0:0:" + lun + "/block/sdc",
		})
		fs.SetGlob("/sys/bus/vmbus/devices/*/device_id", []string{
			"/sys/bus/vmbus/devices/fake-vmbus-device/device_id",
			"/sys/bus/vmbus/devices/vmbus_0_12/device_id",
			"/sys/bus/vmbus/devices/vmbus_12/device_id",
		})
	})

	Describe("GetRealDevicePath", func() {
		Context("when path exists", func() {
			BeforeEach(func() {

			It("returns error", func() {
				_, err := fileBundleCollection.Get(testBundle{Name: "fake-bundle-name"})
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(Equal("Missing bundle version"))
			})
		})
	})

	Describe("List", func() {
		installPath := `C:\fake-collection-path\data\fake-collection-name`
		enablePath := `C:\fake-collection-path\fake-collection-name`

		It("returns list of installed bundles for windows style paths", func() {
			fs.SetGlob(cleanPath(installPath+`\*\*`), []string{
				installPath + `\fake-bundle-1-name\fake-bundle-1-version-1`,
				installPath + `\fake-bundle-1-name\fake-bundle-1-version-2`,
				installPath + `\fake-bundle-1-name\fake-bundle-2-version-1`,
			})

			bundles, err := fileBundleCollection.List()
			Expect(err).ToNot(HaveOccurred())

			expectedBundles := []Bundle{
				NewFileBundle(
					cleanPath(installPath+`\fake-bundle-1-name\fake-bundle-1-version-1`),
					cleanPath(enablePath+`\fake-bundle-1-name`),
					fs,
					logger,
				),
				NewFileBundle(
					cleanPath(installPath+`\fake-bundle-1-name\fake-bundle-1-version-2`),