Golang FileSystem.RemoveAll方法代碼示例

func deleteFiles(fs boshsys.FileSystem, path string, filenamePrefix string) (int, error) {
	var deletedFilesCount int
	files, err := fs.Glob(fmt.Sprintf("%s%s*", path, filenamePrefix))
	if err != nil {
		return deletedFilesCount, bosherr.WrapError(err, "Glob command failed")
	}
	for _, file := range files {
		err = fs.RemoveAll(file)
		if err != nil {
			return deletedFilesCount, bosherr.WrapErrorf(err, "deleting %s failed", file)
		}
		deletedFilesCount++
	}
	return deletedFilesCount, err
}

		toWrite = bytes.NewReader([]byte("new data"))
	})

	readFile := func(fileIO boshsys.File) []byte {
		fileStat, _ := fileIO.Stat()
		fileBytes := make([]byte, fileStat.Size())
		fileIO.Read(fileBytes)
		return fileBytes
	}

	It("fetches", func() {
		blobManager := NewBlobManager(fs, basePath)
		fs.WriteFileString(blobPath, "some data")

		readOnlyFile, err, _ := blobManager.Fetch(blobId)
		defer fs.RemoveAll(readOnlyFile.Name())

		Expect(err).ToNot(HaveOccurred())
		fileBytes := readFile(readOnlyFile)

		Expect(string(fileBytes)).To(Equal("some data"))
	})

	It("writes", func() {
		blobManager := NewBlobManager(fs, basePath)
		fs.WriteFileString(blobPath, "some data")
		defer fs.RemoveAll(blobPath)

		err := blobManager.Write(blobId, toWrite)
		Expect(err).ToNot(HaveOccurred())

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)
		cmdRunner = boshsys.NewExecCmdRunner(logger)
		fs = boshsys.NewOsFileSystem(logger)
		tmpDir, err := fs.TempDir("tarballCompressor-test")
		Expect(err).NotTo(HaveOccurred())
		dstDir = filepath.Join(tmpDir, "TestCompressor")
		compressor = NewTarballCompressor(cmdRunner, fs)
	})

	BeforeEach(func() {
		fs.MkdirAll(dstDir, os.ModePerm)
	})

	AfterEach(func() {
		fs.RemoveAll(dstDir)
	})

	Describe("CompressFilesInDir", func() {
		It("compresses the files in the given directory", func() {
			srcDir := fixtureSrcDir()

			symlinkPath, err := createTestSymlink()
			Expect(err).To(Succeed())
			defer os.Remove(symlinkPath)

			tgzName, err := compressor.CompressFilesInDir(srcDir)
			Expect(err).ToNot(HaveOccurred())
			defer os.Remove(tgzName)

			tarballContents, _, _, err := cmdRunner.RunCommand("tar", "-tf", tgzName)

		AddJob := func(jobName string) (WindowsProcessConfig, error) {
			conf, ok := testWindowsConfigs(jobName)
			if !ok {
				return conf, fmt.Errorf("Invalid Windows Config Process name: %s", jobName)
			}
			confPath, err := WriteJobConfig(conf)
			if err != nil {
				return conf, err
			}
			return conf, jobSupervisor.AddJob(jobName, 0, confPath)
		}

		AfterEach(func() {
			Expect(jobSupervisor.Stop()).To(Succeed())
			Expect(jobSupervisor.RemoveAllJobs()).To(Succeed())
			Expect(fs.RemoveAll(jobDir)).To(Succeed())
			Expect(fs.RemoveAll(logDir)).To(Succeed())
		})

		Describe("Processes", func() {
			It("list the process under vcap description", func() {

				conf, err := AddJob("say-hello")
				names := make(map[string]bool)
				for _, p := range conf.Processes {
					names[p.Name] = true
				}

				Expect(err).ToNot(HaveOccurred())
				Expect(jobSupervisor.Start()).To(Succeed())

				Expect(err).ToNot(HaveOccurred())
				renderedJob1 := NewRenderedJob(bireljob.Job{Name: "fake-job-name-1"}, renderedJobDir1, fs, logger)
				defer func() { err := renderedJob1.Delete(); Expect(err).ToNot(HaveOccurred()) }()
				err = fs.WriteFileString(filepath.Join(renderedJobDir1, "script-0"), "fake-rendered-job-1-script-0-content")
				Expect(err).ToNot(HaveOccurred())
				renderedJobList.Add(renderedJob1)

				// compress
				archive, err := renderedJobListCompressor.Compress(renderedJobList)
				Expect(err).ToNot(HaveOccurred())
				defer func() { err := archive.Delete(); Expect(err).ToNot(HaveOccurred()) }()

				// decompress
				renderedJobListDir, err := fs.TempDir("RenderedJobListCompressorTest")
				Expect(err).ToNot(HaveOccurred())
				defer func() { err := fs.RemoveAll(renderedJobListDir); Expect(err).ToNot(HaveOccurred()) }()
				err = compressor.DecompressFileToDir(archive.Path(), renderedJobListDir, boshcmd.CompressorOptions{})
				Expect(err).ToNot(HaveOccurred())

				// verify that archive contained rendered scripts from job 0
				content, err := fs.ReadFileString(filepath.Join(renderedJobListDir, "fake-job-name-0", "script-0"))
				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-0-script-0-content"))
				content, err = fs.ReadFileString(filepath.Join(renderedJobListDir, "fake-job-name-0", "script-1"))
				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-0-script-1-content"))

				// verify that archive contained rendered scripts from job 1
				content, err = fs.ReadFileString(filepath.Join(renderedJobListDir, "fake-job-name-1", "script-0"))
				Expect(err).ToNot(HaveOccurred())
				Expect(content).To(Equal("fake-rendered-job-1-script-0-content"))

		Expect(err).NotTo(HaveOccurred())
		Expect(runStartResponse["value"]).To(Equal("started"))

		agentState := natsClient.GetState()
		Expect(agentState.JobState).To(Equal("running"))
	})

	It("can run a drain script", func() {
		natsClient.PrepareJob("say-hello")

		err := natsClient.RunDrain()
		Expect(err).NotTo(HaveOccurred())

		logsDir, err := fs.TempDir("windows-agent-drain-test")
		Expect(err).NotTo(HaveOccurred())
		defer fs.RemoveAll(logsDir)

		natsClient.FetchLogs(logsDir)

		drainLogContents, err := fs.ReadFileString(filepath.Join(logsDir, "say-hello", "drain.log"))
		Expect(err).NotTo(HaveOccurred())

		Expect(drainLogContents).To(ContainSubstring("Hello from drain"))
	})

	It("can unmonitor the job during drain script", func() {
		natsClient.PrepareJob("unmonitor-hello")

		runStartResponse, err := natsClient.RunStart()
		Expect(err).NotTo(HaveOccurred())
		Expect(runStartResponse["value"]).To(Equal("started"))

		index         FileIndex
	)

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)
		fs = boshsys.NewOsFileSystem(logger)

		file, err := fs.TempFile("file-index")
		Expect(err).ToNot(HaveOccurred())

		indexFilePath = file.Name()

		err = file.Close()
		Expect(err).ToNot(HaveOccurred())

		err = fs.RemoveAll(indexFilePath)
		Expect(err).ToNot(HaveOccurred())

		index = NewFileIndex(indexFilePath, fs)
	})

	AfterEach(func() {
		err := fs.RemoveAll(indexFilePath)
		Expect(err).ToNot(HaveOccurred())
	})

	Describe("Save/Find", func() {
		It("returns true if item is found by key", func() {
			k1 := Key{Key: "key-1"}
			v1 := Value{Name: "value-1", Count: 1}
			err := index.Save(k1, v1)