Example #1
0
func (t *ToolsMetadata) productId() (string, error) {
	seriesVersion, err := ubuntu.SeriesVersion(t.Release)
	if err != nil {
		return "", err
	}
	return fmt.Sprintf("com.ubuntu.juju:%s:%s", seriesVersion, t.Arch), nil
}
Example #2
0
func (s *simplestreamsSuite) TestSeriesVersion(c *gc.C) {
	cleanup := ubuntu.SetSeriesVersions(make(map[string]string))
	defer cleanup()
	vers, err := ubuntu.SeriesVersion("precise")
	if err != nil && err.Error() == `invalid series "precise"` {
		c.Fatalf(`Unable to lookup series "precise", you may need to: apt-get install distro-info`)
	}
	c.Assert(err, gc.IsNil)
	c.Assert(vers, gc.Equals, "12.04")
}
Example #3
0
func (tc *testConstraint) Ids() ([]string, error) {
	version, err := ubuntu.SeriesVersion(tc.Series[0])
	if err != nil {
		return nil, err
	}
	ids := make([]string, len(tc.Arches))
	for i, arch := range tc.Arches {
		ids[i] = fmt.Sprintf("com.ubuntu.cloud:server:%s:%s", version, arch)
	}
	return ids, nil
}
Example #4
0
// MergeAndWriteMetadata reads the existing metadata from storage (if any),
// and merges it with supplied metadata, writing the resulting metadata is written to storage.
func MergeAndWriteMetadata(series string, metadata []*ImageMetadata, cloudSpec *simplestreams.CloudSpec,
	metadataStore storage.Storage) error {

	existingMetadata, err := readMetadata(metadataStore)
	if err != nil {
		return err
	}
	seriesVersion, err := ubuntu.SeriesVersion(series)
	if err != nil {
		return err
	}
	toWrite, allCloudSpec := mergeMetadata(seriesVersion, cloudSpec, metadata, existingMetadata)
	return writeMetadata(toWrite, allCloudSpec, metadataStore)
}
Example #5
0
// Ids generates a string array representing product ids formed similarly to an ISCSI qualified name (IQN).
func (tc *ToolsConstraint) Ids() ([]string, error) {
	var allIds []string
	for _, series := range tc.Series {
		version, err := ubuntu.SeriesVersion(series)
		if err != nil {
			return nil, err
		}
		ids := make([]string, len(tc.Arches))
		for i, arch := range tc.Arches {
			ids[i] = fmt.Sprintf("com.ubuntu.juju:%s:%s", version, arch)
		}
		allIds = append(allIds, ids...)
	}
	return allIds, nil
}
Example #6
0
// Generates a string array representing product ids formed similarly to an ISCSI qualified name (IQN).
func (ic *ImageConstraint) Ids() ([]string, error) {
	stream := idStream(ic.Stream)
	nrArches := len(ic.Arches)
	nrSeries := len(ic.Series)
	ids := make([]string, nrArches*nrSeries)
	for i, arch := range ic.Arches {
		for j, series := range ic.Series {
			version, err := ubuntu.SeriesVersion(series)
			if err != nil {
				return nil, err
			}
			ids[j*nrArches+i] = fmt.Sprintf("com.ubuntu.cloud%s:server:%s:%s", stream, version, arch)
		}
	}
	return ids, nil
}
Example #7
0
// cloneToolsForSeries copies the built tools tarball into a tarball for the specified
// series and generates corresponding metadata.
func cloneToolsForSeries(toolsInfo *BuiltTools, series ...string) error {
	// Copy the tools to the target storage, recording a Tools struct for each one.
	var targetTools coretools.List
	targetTools = append(targetTools, &coretools.Tools{
		Version: toolsInfo.Version,
		Size:    toolsInfo.Size,
		SHA256:  toolsInfo.Sha256Hash,
	})
	putTools := func(vers version.Binary) (string, error) {
		name := envtools.StorageName(vers)
		src := filepath.Join(toolsInfo.Dir, toolsInfo.StorageName)
		dest := filepath.Join(toolsInfo.Dir, name)
		err := utils.CopyFile(dest, src)
		if err != nil {
			return "", err
		}
		// Append to targetTools the attributes required to write out tools metadata.
		targetTools = append(targetTools, &coretools.Tools{
			Version: vers,
			Size:    toolsInfo.Size,
			SHA256:  toolsInfo.Sha256Hash,
		})
		return name, nil
	}
	logger.Debugf("generating tarballs for %v", series)
	for _, series := range series {
		_, err := ubuntu.SeriesVersion(series)
		if err != nil {
			return err
		}
		if series != toolsInfo.Version.Series {
			fakeVersion := toolsInfo.Version
			fakeVersion.Series = series
			if _, err := putTools(fakeVersion); err != nil {
				return err
			}
		}
	}
	// The tools have been copied to a temp location from which they will be uploaded,
	// now write out the matching simplestreams metadata so that SyncTools can find them.
	metadataStore, err := filestorage.NewFileStorageWriter(toolsInfo.Dir)
	if err != nil {
		return err
	}
	logger.Debugf("generating tools metadata")
	return envtools.MergeAndWriteMetadata(metadataStore, targetTools, false)
}
Example #8
0
// UploadTools uploads tools for the specified series and any other relevant series to
// the environment storage, after which it sets the agent-version. If forceVersion is true,
// we allow uploading even when the agent-version is already set in the environment.
func UploadTools(ctx environs.BootstrapContext, env environs.Environ, toolsArch *string, forceVersion bool, bootstrapSeries ...string) error {
	logger.Infof("checking that upload is possible")
	// Check the series are valid.
	for _, series := range bootstrapSeries {
		if _, err := ubuntu.SeriesVersion(series); err != nil {
			return err
		}
	}
	// See that we are allowed to upload the tools.
	if err := validateUploadAllowed(env, toolsArch, forceVersion); err != nil {
		return err
	}

	// Make storage interruptible.
	interrupted := make(chan os.Signal, 1)
	interruptStorage := make(chan struct{})
	ctx.InterruptNotify(interrupted)
	defer ctx.StopInterruptNotify(interrupted)
	defer close(interrupted)
	go func() {
		defer close(interruptStorage) // closing interrupts all uploads
		if _, ok := <-interrupted; ok {
			ctx.Infof("cancelling tools upload")
		}
	}()
	stor := newInterruptibleStorage(env.Storage(), interruptStorage)

	cfg := env.Config()
	explicitVersion := uploadVersion(version.Current.Number, nil)
	uploadSeries := SeriesToUpload(cfg, bootstrapSeries)
	ctx.Infof("uploading tools for series %s", uploadSeries)
	tools, err := sync.Upload(stor, &explicitVersion, uploadSeries...)
	if err != nil {
		return err
	}
	cfg, err = cfg.Apply(map[string]interface{}{
		"agent-version": tools.Version.Number.String(),
	})
	if err == nil {
		err = env.SetConfig(cfg)
	}
	if err != nil {
		return fmt.Errorf("failed to update environment configuration: %v", err)
	}
	return nil
}
Example #9
0
// ParseMetadataFromStorage loads ToolsMetadata from the specified storage reader.
func ParseMetadataFromStorage(c *gc.C, stor storage.StorageReader, expectMirrors bool) []*tools.ToolsMetadata {
	source := storage.NewStorageSimpleStreamsDataSource("test storage reader", stor, "tools")
	params := simplestreams.ValueParams{
		DataType:      tools.ContentDownload,
		ValueTemplate: tools.ToolsMetadata{},
	}

	const requireSigned = false
	indexPath := simplestreams.UnsignedIndex
	indexRef, err := simplestreams.GetIndexWithFormat(
		source, indexPath, "index:1.0", requireSigned, simplestreams.CloudSpec{}, params)
	c.Assert(err, gc.IsNil)
	c.Assert(indexRef.Indexes, gc.HasLen, 1)

	toolsIndexMetadata := indexRef.Indexes["com.ubuntu.juju:released:tools"]
	c.Assert(toolsIndexMetadata, gc.NotNil)

	// Read the products file contents.
	r, err := stor.Get(path.Join("tools", toolsIndexMetadata.ProductsFilePath))
	defer r.Close()
	c.Assert(err, gc.IsNil)
	data, err := ioutil.ReadAll(r)
	c.Assert(err, gc.IsNil)

	url, err := source.URL(toolsIndexMetadata.ProductsFilePath)
	c.Assert(err, gc.IsNil)
	cloudMetadata, err := simplestreams.ParseCloudMetadata(data, "products:1.0", url, tools.ToolsMetadata{})
	c.Assert(err, gc.IsNil)

	toolsMetadataMap := make(map[string]*tools.ToolsMetadata)
	var expectedProductIds set.Strings
	var toolsVersions set.Strings
	for _, mc := range cloudMetadata.Products {
		for _, items := range mc.Items {
			for key, item := range items.Items {
				toolsMetadata := item.(*tools.ToolsMetadata)
				toolsMetadataMap[key] = toolsMetadata
				toolsVersions.Add(key)
				seriesVersion, err := ubuntu.SeriesVersion(toolsMetadata.Release)
				c.Assert(err, gc.IsNil)
				productId := fmt.Sprintf("com.ubuntu.juju:%s:%s", seriesVersion, toolsMetadata.Arch)
				expectedProductIds.Add(productId)
			}
		}
	}

	// Make sure index's product IDs are all represented in the products metadata.
	sort.Strings(toolsIndexMetadata.ProductIds)
	c.Assert(toolsIndexMetadata.ProductIds, gc.DeepEquals, expectedProductIds.SortedValues())

	toolsMetadata := make([]*tools.ToolsMetadata, len(toolsMetadataMap))
	for i, key := range toolsVersions.SortedValues() {
		toolsMetadata[i] = toolsMetadataMap[key]
	}

	if expectMirrors {
		r, err = stor.Get(path.Join("tools", simplestreams.UnsignedMirror))
		defer r.Close()
		c.Assert(err, gc.IsNil)
		data, err = ioutil.ReadAll(r)
		c.Assert(err, gc.IsNil)
		c.Assert(string(data), jc.Contains, `"mirrors":`)
		c.Assert(err, gc.IsNil)
	}
	return toolsMetadata
}