Esempio n. 1
0
func removeAll(stor storage.Storage) error {
	names, err := storage.List(stor, "")
	if err != nil {
		return err
	}
	// Remove all the objects in parallel so that we incur fewer round-trips.
	// If we're in danger of having hundreds of objects,
	// we'll want to change this to limit the number
	// of concurrent operations.
	var wg sync.WaitGroup
	wg.Add(len(names))
	errc := make(chan error, len(names))
	for _, name := range names {
		name := name
		go func() {
			defer wg.Done()
			if err := stor.Remove(name); err != nil {
				errc <- err
			}
		}()
	}
	wg.Wait()
	select {
	case err := <-errc:
		return fmt.Errorf("cannot delete all provider state: %v", err)
	default:
	}
	return nil
}
Esempio n. 2
0
// CreateStateFile creates an empty state file on the given storage, and
// returns its URL.
func CreateStateFile(stor storage.Storage) (string, error) {
	err := putState(stor, []byte{})
	if err != nil {
		return "", fmt.Errorf("cannot create initial state file: %v", err)
	}
	return stor.URL(StateFile)
}
Esempio n. 3
0
// metadataUnchanged returns true if the content of metadata for stream in stor is the same
// as generatedMetadata, ignoring the "updated" attribute.
func metadataUnchanged(stor storage.Storage, stream string, generatedMetadata []byte) (bool, error) {
	mdPath := ProductMetadataPath(stream)
	filePath := path.Join(storage.BaseToolsPath, mdPath)
	existingDataReader, err := stor.Get(filePath)
	// If the file can't be retrieved, consider it has changed.
	if err != nil {
		return false, nil
	}
	defer existingDataReader.Close()
	existingData, err := ioutil.ReadAll(existingDataReader)
	if err != nil {
		return false, err
	}

	// To do the comparison, we unmarshall the metadata, clear the
	// updated value, and marshall back to a string.
	existingMetadata, err := removeMetadataUpdated(existingData)
	if err != nil {
		return false, err
	}
	newMetadata, err := removeMetadataUpdated(generatedMetadata)
	if err != nil {
		return false, err
	}
	return existingMetadata == newMetadata, nil
}
Esempio n. 4
0
File: sync.go Progetto: bac/juju
// syncBuiltTools copies to storage a tools tarball and cloned copies for each series.
func syncBuiltTools(stor storage.Storage, stream string, builtTools *BuiltAgent, fakeSeries ...string) (*coretools.Tools, error) {
	if err := cloneToolsForSeries(builtTools, stream, fakeSeries...); err != nil {
		return nil, err
	}
	syncContext := &SyncContext{
		Source:              builtTools.Dir,
		TargetToolsFinder:   StorageToolsFinder{stor},
		TargetToolsUploader: StorageToolsUploader{stor, false, false},
		AllVersions:         true,
		Stream:              stream,
		MajorVersion:        builtTools.Version.Major,
		MinorVersion:        -1,
	}
	logger.Debugf("uploading agent binaries to cloud storage")
	err := SyncTools(syncContext)
	if err != nil {
		return nil, err
	}
	url, err := stor.URL(builtTools.StorageName)
	if err != nil {
		return nil, err
	}
	return &coretools.Tools{
		Version: builtTools.Version,
		URL:     url,
		Size:    builtTools.Size,
		SHA256:  builtTools.Sha256Hash,
	}, nil
}
Esempio n. 5
0
func restoreBootstrapVerificationFile(c *gc.C, stor storage.Storage) {
	content := "juju-core storage writing verified: ok\n"
	contentReader := strings.NewReader(content)
	err := stor.Put("bootstrap-verify", contentReader,
		int64(len(content)))
	c.Assert(err, gc.IsNil)
}
Esempio n. 6
0
File: sync.go Progetto: jiasir/juju
// SyncBuiltTools copies to storage a tools tarball and cloned copies for each series.
func SyncBuiltTools(stor storage.Storage, builtTools *BuiltTools, fakeSeries ...string) (*coretools.Tools, error) {
	if err := cloneToolsForSeries(builtTools, fakeSeries...); err != nil {
		return nil, err
	}
	syncContext := &SyncContext{
		Source:       builtTools.Dir,
		Target:       stor,
		AllVersions:  true,
		Dev:          builtTools.Version.IsDev(),
		MajorVersion: builtTools.Version.Major,
		MinorVersion: -1,
	}
	logger.Debugf("uploading tools to cloud storage")
	err := SyncTools(syncContext)
	if err != nil {
		return nil, err
	}
	url, err := stor.URL(builtTools.StorageName)
	if err != nil {
		return nil, err
	}
	return &coretools.Tools{
		Version: builtTools.Version,
		URL:     url,
		Size:    builtTools.Size,
		SHA256:  builtTools.Sha256Hash,
	}, nil
}
Esempio n. 7
0
File: tools.go Progetto: kapilt/juju
// RemoveFakeToolsMetadata deletes the fake simplestreams tools metadata from the supplied storage.
func RemoveFakeToolsMetadata(c *gc.C, stor storage.Storage) {
	files := []string{simplestreams.UnsignedIndex, envtools.ProductMetadataPath}
	for _, file := range files {
		toolspath := path.Join("tools", file)
		err := stor.Remove(toolspath)
		c.Check(err, gc.IsNil)
	}
}
Esempio n. 8
0
// RemoveFakeToolsMetadata deletes the fake simplestreams tools metadata from the supplied storage.
func RemoveFakeToolsMetadata(c *gc.C, stor storage.Storage) {
	files, err := stor.List("tools/streams")
	c.Assert(err, jc.ErrorIsNil)
	for _, file := range files {
		err = stor.Remove(file)
		c.Check(err, jc.ErrorIsNil)
	}
}
Esempio n. 9
0
// RemoveTools deletes all tools from the supplied storage.
func RemoveTools(c *gc.C, stor storage.Storage, toolsDir string) {
	names, err := storage.List(stor, fmt.Sprintf("tools/%s/juju-", toolsDir))
	c.Assert(err, jc.ErrorIsNil)
	c.Logf("removing files: %v", names)
	for _, name := range names {
		err = stor.Remove(name)
		c.Check(err, jc.ErrorIsNil)
	}
	RemoveFakeToolsMetadata(c, stor)
}
Esempio n. 10
0
File: tools.go Progetto: kapilt/juju
// RemoveTools deletes all tools from the supplied storage.
func RemoveTools(c *gc.C, stor storage.Storage) {
	names, err := storage.List(stor, "tools/releases/juju-")
	c.Assert(err, gc.IsNil)
	c.Logf("removing files: %v", names)
	for _, name := range names {
		err = stor.Remove(name)
		c.Check(err, gc.IsNil)
	}
	RemoveFakeToolsMetadata(c, stor)
}
Esempio n. 11
0
File: open.go Progetto: zhouqt/juju
// VerifyStorage writes the bootstrap init file to the storage to indicate
// that the storage is writable.
func VerifyStorage(stor storage.Storage) error {
	reader := strings.NewReader(verificationContent)
	err := stor.Put(VerificationFilename, reader,
		int64(len(verificationContent)))
	if err != nil {
		logger.Warningf("failed to write bootstrap-verify file: %v", err)
		return VerifyStorageError
	}
	return nil
}
Esempio n. 12
0
func uploadMetadataFile(stor storage.Storage, metadataDir, fileName string, size int64) error {
	fullSourceFilename := filepath.Join(metadataDir, fileName)
	logger.Debugf("uploading metadata file %s", fileName)
	f, err := os.Open(fullSourceFilename)
	if err != nil {
		return err
	}
	defer f.Close()
	destMetadataDir := path.Join(storage.BaseImagesPath, simplestreams.StreamsDir)
	return stor.Put(path.Join(destMetadataDir, fileName), f, size)
}
Esempio n. 13
0
func UseTestImageMetadata(c *gc.C, stor storage.Storage) {
	files := map[string]string{
		"images/streams/v1/index.json":                          indexData,
		"images/streams/v1/com.ubuntu.cloud:released:maas.json": imagesData,
	}
	for f, d := range files {
		rdr := strings.NewReader(d)
		err := stor.Put(f, rdr, int64(len(d)))
		c.Assert(err, jc.ErrorIsNil)
	}
}
Esempio n. 14
0
func UseTestImageData(stor envstorage.Storage, cred *identity.Credentials) {
	// Put some image metadata files into the public storage.
	t := template.Must(template.New("").Parse(indexData))
	var metadata bytes.Buffer
	if err := t.Execute(&metadata, cred); err != nil {
		panic(fmt.Errorf("cannot generate index metdata: %v", err))
	}
	data := metadata.Bytes()
	stor.Put(simplestreams.UnsignedIndex("v1", 1), bytes.NewReader(data), int64(len(data)))
	stor.Put(
		productMetadatafile, strings.NewReader(imagesData), int64(len(imagesData)))
}
Esempio n. 15
0
func storageCopy(source storage.Storage, sourcePath string, target storage.Storage, targetPath string) error {
	rc, err := storage.Get(source, sourcePath)
	if err != nil {
		return err
	}
	var buf bytes.Buffer
	_, err = io.Copy(&buf, rc)
	rc.Close()
	if err != nil {
		return err
	}
	return target.Put(targetPath, &buf, int64(buf.Len()))
}
Esempio n. 16
0
func uploadFakeToolsVersion(stor storage.Storage, toolsDir string, vers version.Binary) (*coretools.Tools, error) {
	logger.Infof("uploading FAKE tools %s", vers)
	tgz, checksum := makeFakeTools(vers)
	size := int64(len(tgz))
	name := envtools.StorageName(vers, toolsDir)
	if err := stor.Put(name, bytes.NewReader(tgz), size); err != nil {
		return nil, err
	}
	url, err := stor.URL(name)
	if err != nil {
		return nil, err
	}
	return &coretools.Tools{URL: url, Version: vers, Size: size, SHA256: checksum}, nil
}
Esempio n. 17
0
func SignTestTools(stor storage.Storage) error {
	files, err := stor.List("")
	if err != nil {
		return err
	}
	for _, file := range files {
		if strings.HasSuffix(file, sstesting.UnsignedJsonSuffix) {
			// only sign .json files and data
			if err := SignFileData(stor, file); err != nil {
				return err
			}
		}
	}
	return nil
}
Esempio n. 18
0
File: tools.go Progetto: kapilt/juju
// RemoveFakeTools deletes the fake tools from the supplied storage.
func RemoveFakeTools(c *gc.C, stor storage.Storage) {
	c.Logf("removing fake tools")
	toolsVersion := version.Current
	name := envtools.StorageName(toolsVersion)
	err := stor.Remove(name)
	c.Check(err, gc.IsNil)
	defaultSeries := coretesting.FakeDefaultSeries
	if version.Current.Series != defaultSeries {
		toolsVersion.Series = defaultSeries
		name := envtools.StorageName(toolsVersion)
		err := stor.Remove(name)
		c.Check(err, gc.IsNil)
	}
	RemoveFakeToolsMetadata(c, stor)
}
Esempio n. 19
0
// RemoveFakeTools deletes the fake tools from the supplied storage.
func RemoveFakeTools(c *gc.C, stor storage.Storage, toolsDir string) {
	c.Logf("removing fake tools")
	toolsVersion := version.Current
	name := envtools.StorageName(toolsVersion, toolsDir)
	err := stor.Remove(name)
	c.Check(err, jc.ErrorIsNil)
	defaultSeries := coretesting.FakeDefaultSeries
	if series.HostSeries() != defaultSeries {
		toolsVersion.Series = defaultSeries
		name := envtools.StorageName(toolsVersion, toolsDir)
		err := stor.Remove(name)
		c.Check(err, jc.ErrorIsNil)
	}
	RemoveFakeToolsMetadata(c, stor)
}
Esempio n. 20
0
File: tools.go Progetto: jiasir/juju
func uploadFakeToolsVersion(stor storage.Storage, vers version.Binary) (*coretools.Tools, error) {
	logger.Infof("uploading FAKE tools %s", vers)
	tgz, checksum := coretesting.TarGz(
		coretesting.NewTarFile("jujud", 0777, "jujud contents "+vers.String()))
	size := int64(len(tgz))
	name := envtools.StorageName(vers)
	if err := stor.Put(name, bytes.NewReader(tgz), size); err != nil {
		return nil, err
	}
	url, err := stor.URL(name)
	if err != nil {
		return nil, err
	}
	return &coretools.Tools{URL: url, Version: vers, Size: size, SHA256: checksum}, nil
}
Esempio n. 21
0
File: tools.go Progetto: bac/juju
// RemoveFakeTools deletes the fake tools from the supplied storage.
func RemoveFakeTools(c *gc.C, stor storage.Storage, toolsDir string) {
	c.Logf("removing fake tools")
	toolsVersion := version.Binary{
		Number: jujuversion.Current,
		Arch:   arch.HostArch(),
		Series: series.HostSeries(),
	}
	name := envtools.StorageName(toolsVersion, toolsDir)
	err := stor.Remove(name)
	c.Check(err, jc.ErrorIsNil)
	defaultSeries := series.LatestLts()
	if series.HostSeries() != defaultSeries {
		toolsVersion.Series = defaultSeries
		name := envtools.StorageName(toolsVersion, toolsDir)
		err := stor.Remove(name)
		c.Check(err, jc.ErrorIsNil)
	}
	RemoveFakeToolsMetadata(c, stor)
}
Esempio n. 22
0
File: sync.go Progetto: jiasir/juju
// copyOneToolsPackage copies one tool from the source to the target.
func copyOneToolsPackage(tool *coretools.Tools, dest storage.Storage) error {
	toolsName := envtools.StorageName(tool.Version)
	logger.Infof("copying %v", toolsName)
	resp, err := utils.GetValidatingHTTPClient().Get(tool.URL)
	if err != nil {
		return err
	}
	buf := &bytes.Buffer{}
	srcFile := resp.Body
	defer srcFile.Close()
	tool.SHA256, tool.Size, err = utils.ReadSHA256(io.TeeReader(srcFile, buf))
	if err != nil {
		return err
	}
	sizeInKB := (tool.Size + 512) / 1024
	logger.Infof("downloaded %v (%dkB), uploading", toolsName, sizeInKB)
	logger.Infof("download %dkB, uploading", sizeInKB)
	return dest.Put(toolsName, buf, tool.Size)
}
Esempio n. 23
0
// writeMetadata generates some basic simplestreams metadata using the specified cloud and image details and writes
// it to the supplied store.
func writeMetadata(metadata []*ImageMetadata, cloudSpec []simplestreams.CloudSpec,
	metadataStore storage.Storage) error {

	index, products, err := MarshalImageMetadataJSON(metadata, cloudSpec, time.Now())
	if err != nil {
		return err
	}
	metadataInfo := []MetadataFile{
		{IndexStoragePath(), index},
		{ProductMetadataStoragePath(), products},
	}
	for _, md := range metadataInfo {
		err = metadataStore.Put(md.Path, bytes.NewReader(md.Data), int64(len(md.Data)))
		if err != nil {
			return err
		}
	}
	return nil
}
Esempio n. 24
0
func SignFileData(stor storage.Storage, fileName string) error {
	r, err := stor.Get(fileName)
	if err != nil {
		return err
	}
	defer r.Close()

	fileData, err := ioutil.ReadAll(r)
	if err != nil {
		return err
	}

	signedName, signedContent, err := sstesting.SignMetadata(fileName, fileData)
	if err != nil {
		return err
	}

	err = stor.Put(signedName, strings.NewReader(string(signedContent)), int64(len(string(signedContent))))
	if err != nil {
		return err
	}
	return nil
}
Esempio n. 25
0
// WriteMetadata writes the given tools metadata to the given storage.
func WriteMetadata(stor storage.Storage, metadata []*ToolsMetadata, writeMirrors ShouldWriteMirrors) error {
	updated := time.Now()
	index, products, err := MarshalToolsMetadataJSON(metadata, updated)
	if err != nil {
		return err
	}
	metadataInfo := []MetadataFile{
		{simplestreams.UnsignedIndex, index},
		{ProductMetadataPath, products},
	}
	if writeMirrors {
		mirrorsUpdated := updated.Format("20060102") // YYYYMMDD
		mirrorsInfo := strings.Replace(PublicMirrorsInfo, "{{updated}}", mirrorsUpdated, -1)
		metadataInfo = append(metadataInfo, MetadataFile{simplestreams.UnsignedMirror, []byte(mirrorsInfo)})
	}
	for _, md := range metadataInfo {
		logger.Infof("Writing %s", "tools/"+md.Path)
		err = stor.Put(path.Join(storage.BaseToolsPath, md.Path), bytes.NewReader(md.Data), int64(len(md.Data)))
		if err != nil {
			return err
		}
	}
	return nil
}
Esempio n. 26
0
func checkRemoveAll(c *gc.C, stor storage.Storage) {
	contents := []byte("File contents.")
	aFile := "a-file.txt"
	err := stor.Put(aFile, bytes.NewBuffer(contents), int64(len(contents)))
	c.Assert(err, gc.IsNil)
	err = stor.Put("empty-file", bytes.NewBuffer(nil), 0)
	c.Assert(err, gc.IsNil)

	err = stor.RemoveAll()
	c.Assert(err, gc.IsNil)

	files, err := storage.List(stor, "")
	c.Assert(err, gc.IsNil)
	c.Check(files, gc.HasLen, 0)

	_, err = storage.Get(stor, aFile)
	c.Assert(err, gc.NotNil)
	c.Check(err, gc.ErrorMatches, fmt.Sprintf("file %q not found", aFile))
}
Esempio n. 27
0
// UploadToStorage uploads tools and metadata for the specified versions to storage.
func UploadToStorage(c *gc.C, stor storage.Storage, stream string, versions ...version.Binary) map[version.Binary]string {
	uploaded := map[version.Binary]string{}
	if len(versions) == 0 {
		return uploaded
	}
	var err error
	for _, vers := range versions {
		filename := fmt.Sprintf("tools/%s/tools-%s.tar.gz", stream, vers.String())
		// Put a file in images since the dummy storage provider requires a
		// file to exist before the URL can be found. This is to ensure it behaves
		// the same way as MAAS.
		err = stor.Put(filename, strings.NewReader("dummy"), 5)
		c.Assert(err, jc.ErrorIsNil)
		uploaded[vers], err = stor.URL(filename)
		c.Assert(err, jc.ErrorIsNil)
	}
	objects := generateMetadata(c, stream, versions...)
	for _, object := range objects {
		toolspath := path.Join("tools", object.path)
		err = stor.Put(toolspath, bytes.NewReader(object.data), int64(len(object.data)))
		c.Assert(err, jc.ErrorIsNil)
	}
	return uploaded
}
Esempio n. 28
0
func RemoveTestImageData(stor envstorage.Storage) {
	stor.Remove(simplestreams.UnsignedIndex("v1", 1))
	stor.Remove(productMetadatafile)
}
Esempio n. 29
0
func RemoveTestImageData(stor storage.Storage) {
	stor.Remove(simplestreams.DefaultIndexPath + ".json")
	stor.Remove(productMetadatafile)
}
Esempio n. 30
0
func RemoveTestImageData(stor envstorage.Storage) {
	stor.RemoveAll()
}