Golang system.FileSystem類代碼示例

func countFiles(fs system.FileSystem, dir string) (count int) {
	fs.Walk(dir, func(path string, info os.FileInfo, err error) error {
		count++
		return nil
	})
	return
}

func AbsolutifyPath(pathToManifest string, pathToFile string, fs boshsys.FileSystem) (string, error) {
	if strings.HasPrefix(pathToFile, "http") {
		return pathToFile, nil
	}

	if strings.HasPrefix(pathToFile, "file:///") || strings.HasPrefix(pathToFile, "/") {
		return pathToFile, nil
	}

	if strings.HasPrefix(pathToFile, "file://~") {
		return pathToFile, nil
	}

	if strings.HasPrefix(pathToFile, "~") {
		return fs.ExpandPath(pathToFile)
	}

	var absPath string

	if !strings.HasPrefix(pathToFile, "file://") {
		absPath = filepath.Join(filepath.Dir(pathToManifest), pathToFile)
	} else {
		pathToFile = strings.Replace(pathToFile, "file://", "", 1)
		absPath = filepath.Join(filepath.Dir(pathToManifest), pathToFile)
		absPath = "file://" + absPath
	}

	return absPath, nil
}

// New returns a new logger (that writes to the specified file) & the open file handle
// All log levels >= the specified level are written to the specified file.
// User is responsible for closing the returned file handle, unless an error is returned.
func New(level boshlog.LogLevel, filePath string, fileMode os.FileMode, fs boshsys.FileSystem) (boshlog.Logger, boshsys.File, error) {
	file, err := fs.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, fileMode)
	if err != nil {
		return nil, file, bosherr.WrapErrorf(err, "Failed to open log file '%s'", filePath)
	}

	return boshlog.NewWriterLogger(level, file, file), file, nil
}

func describeDummyPlatform() {
	var (
		platform           Platform
		collector          boshstats.Collector
		fs                 boshsys.FileSystem
		cmdRunner          boshsys.CmdRunner
		dirProvider        boshdirs.Provider
		devicePathResolver boshdpresolv.DevicePathResolver
		logger             boshlog.Logger
	)

	BeforeEach(func() {
		collector = &fakestats.FakeCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewProvider("/fake-dir")
		devicePathResolver = fakedpresolv.NewFakeDevicePathResolver()
		logger = boshlog.NewLogger(boshlog.LevelNone)
	})

	JustBeforeEach(func() {
		platform = NewDummyPlatform(
			collector,
			fs,
			cmdRunner,
			dirProvider,
			devicePathResolver,
			logger,
		)
	})

	Describe("GetDefaultNetwork", func() {
		It("returns the contents of dummy-defaults-network-settings.json since that's what the dummy cpi writes", func() {
			settingsFilePath := "/fake-dir/bosh/dummy-default-network-settings.json"
			fs.WriteFileString(settingsFilePath, `{"IP": "1.2.3.4"}`)

			network, err := platform.GetDefaultNetwork()
			Expect(err).NotTo(HaveOccurred())

			Expect(network.IP).To(Equal("1.2.3.4"))
		})
	})

	Describe("GetCertManager", func() {
		It("returs a dummy cert manager", func() {
			certManager := platform.GetCertManager()

			Expect(certManager.UpdateCertificates("")).Should(BeNil())
		})
	})
}

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
}

func NewConfig(fs boshsys.FileSystem) (*Config, error) {
	path := os.Getenv("BOSH_INIT_CONFIG_PATH")
	if path == "" {
		return &Config{}, errors.New("Must provide config file via BOSH_INIT_CONFIG_PATH environment variable")
	}

	configContents, err := fs.ReadFile(path)
	if err != nil {
		return &Config{}, err
	}

	var config Config
	err = json.Unmarshal(configContents, &config)
	if err != nil {
		return &Config{}, err
	}

	return &config, nil
}

	return dirInfo.IsDir(), nil
}

func (m beDirMatcher) FailureMessage(actual interface{}) string {
	return fmt.Sprintf("Expected `%s' to be a directory", actual)
}

func (m beDirMatcher) NegatedFailureMessage(actual interface{}) string {
	return fmt.Sprintf("Expected `%s' to not be a directory", actual)
}

var _ = Describe("tarballCompressor", func() {
	var (
		dstDir     string
		cmdRunner  boshsys.CmdRunner
		fs         boshsys.FileSystem
		compressor Compressor
	)

	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)

package index_test

import (
	. "github.com/cloudfoundry/bosh-init/index"
	boshlog "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/logger"
	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/gomega"
)

var _ = Describe("FileIndex", func() {
	var (
		fs            boshsys.FileSystem
		indexFilePath string
		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())

	bitestutils "github.com/cloudfoundry/bosh-init/testutils"
)

const (
	stageTimePattern     = "\\(\\d{2}:\\d{2}:\\d{2}\\)"
	stageFinishedPattern = "\\.\\.\\. Finished " + stageTimePattern + "$"
)

var _ = Describe("bosh-init", func() {
	var (
		logger       boshlog.Logger
		fileSystem   boshsys.FileSystem
		sshCmdRunner CmdRunner
		cmdEnv       map[string]string
		quietCmdEnv  map[string]string
		testEnv      Environment
		config       *Config

		instanceSSH      InstanceSSH
		instanceUsername = "vcap"
		instancePassword = "sshpassword" // encrypted value must be in the manifest: resource_pool.env.bosh.password
		instanceIP       = "10.244.0.42"
	)

	var readLogFile = func(logPath string) (stdout string) {
		stdout, _, exitCode, err := sshCmdRunner.RunCommand(cmdEnv, "cat", logPath)
		Expect(err).ToNot(HaveOccurred())
		Expect(exitCode).To(Equal(0))
		return stdout
	}

	var deleteLogFile = func(logPath string) {

	"io/ioutil"
	"os"
	"path/filepath"

	"github.com/cloudfoundry/bosh-init/cmd"

	boshlog "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/logger"
	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"

	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/gomega"
)

var _ = Describe("TempRootConfigurator", func() {
	Describe("PrepareAndSetUpTempRoot", func() {
		var fs boshsys.FileSystem
		var testTempDir string
		var tempRoot string
		var logger boshlog.Logger

		BeforeEach(func() {
			var err error
			testTempDir, err = ioutil.TempDir("", "temp_root_configurator_test")
			Expect(err).ToNot(HaveOccurred())

			tempRoot = filepath.Join(testTempDir, "my-temp-root")
			logger = boshlog.NewLogger(boshlog.LevelNone)
			fs = boshsys.NewOsFileSystem(logger)
		})

		AfterEach(func() {

	BeforeEach(func() {
		outBuffer = bytes.NewBufferString("")
		errBuffer = bytes.NewBufferString("")
		logger = boshlog.NewWriterLogger(boshlog.LevelDebug, outBuffer, errBuffer)

		fakeSHA1Calculator = fakebicrypto.NewFakeSha1Calculator()

		renderedJobList = NewRenderedJobList()
	})

	Describe("Compress", func() {

		Context("with a real fs & compressor", func() {
			var (
				fs         boshsys.FileSystem
				cmdRunner  boshsys.CmdRunner
				compressor boshcmd.Compressor
			)

			BeforeEach(func() {
				fs = boshsys.NewOsFileSystem(logger)

				cmdRunner = boshsys.NewExecCmdRunner(logger)
				compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)

				renderedJobListCompressor = NewRenderedJobListCompressor(fs, compressor, fakeSHA1Calculator, logger)
			})

			It("copies rendered jobs into a new temp dir, compresses the temp dir, and wraps it in a RenderedJobListArchive", func() {
				// create rendered job with 2 rendered scripts
				renderedJobDir0, err := fs.TempDir("RenderedJobListCompressorTest")

import (
	"time"

	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/gomega"

	. "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-agent/infrastructure/devicepathresolver"
	boshsettings "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-agent/settings"
	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"
	fakesys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system/fakes"
)

var _ = Describe("mappedDevicePathResolver", func() {
	var (
		fs           boshsys.FileSystem
		diskSettings boshsettings.DiskSettings
		resolver     DevicePathResolver
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		resolver = NewMappedDevicePathResolver(time.Second, fs)
		diskSettings = boshsettings.DiskSettings{
			Path: "/dev/sda",
		}
	})

	Context("when a matching /dev/xvdX device is found", func() {
		BeforeEach(func() {
			fs.WriteFile("/dev/xvda", []byte{})
			fs.WriteFile("/dev/vda", []byte{})

	"os"
	"path/filepath"

	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/gomega"
	"github.com/cloudfoundry/bosh-init/internal/github.com/stretchr/testify/assert"

	. "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/fileutil"
	boshlog "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/logger"
	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"
)

var _ = Describe("cpCopier", func() {
	var (
		fs        boshsys.FileSystem
		cmdRunner boshsys.CmdRunner
		cpCopier  Copier
	)

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)
		fs = boshsys.NewOsFileSystem(logger)
		cmdRunner = boshsys.NewExecCmdRunner(logger)
		cpCopier = NewCpCopier(cmdRunner, fs, logger)
	})

	Describe("FilteredCopyToTemp", func() {
		copierFixtureSrcDir := func() string {
			pwd, err := os.Getwd()
			Expect(err).ToNot(HaveOccurred())
			return filepath.Join(pwd, "test_assets", "test_filtered_copy_to_temp")

func GenerateDeploymentManifest(deploymentManifestFilePath string, fs boshsys.FileSystem, manifestContents string) error {
	return fs.WriteFileString(deploymentManifestFilePath, manifestContents)
}

package util_test

import (
	"github.com/cloudfoundry/bosh-init/common/util"
	boshlog "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/logger"
	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry/bosh-init/internal/github.com/onsi/gomega"
)

var _ = Describe("AbsolutifyPath", func() {
	var realfs boshsys.FileSystem
	var fakeManifestPath, fakeFilePath string

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)
		realfs = boshsys.NewOsFileSystem(logger)
		fakeManifestPath = "/fake/manifest/path/manifest.yml"
	})

	Context("File path is not a url", func() {
		Context("File path is relative", func() {
			Context("File path begins with a series of ../", func() {
				It("joins file path to the manifest directory", func() {
					fakeFilePath = "../fake/relative/path/file.tgz"
					Expect(util.AbsolutifyPath(fakeManifestPath, fakeFilePath, realfs)).To(
						Equal("/fake/manifest/fake/relative/path/file.tgz"))
				})
			})
			Context("File is located in same directory as manifest or subdirectory", func() {
				It("makes the file path relative to the manifest directory", func() {