Пример #1
0
func (c *ToolsMetadataCommand) Run(context *cmd.Context) error {
	loggo.RegisterWriter("toolsmetadata", cmd.NewCommandLogWriter("juju.environs.tools", context.Stdout, context.Stderr), loggo.INFO)
	defer loggo.RemoveWriter("toolsmetadata")
	if c.metadataDir == "" {
		c.metadataDir = osenv.JujuHome()
	} else {
		c.metadataDir = context.AbsPath(c.metadataDir)
	}

	sourceStorage, err := filestorage.NewFileStorageReader(c.metadataDir)
	if err != nil {
		return err
	}
	fmt.Fprintf(context.Stdout, "Finding tools in %s\n", c.metadataDir)
	const minorVersion = -1
	toolsList, err := envtools.ReadList(sourceStorage, version.Current.Major, minorVersion)
	if err == envtools.ErrNoTools {
		var source string
		source, err = envtools.ToolsURL(envtools.DefaultBaseURL)
		if err != nil {
			return err
		}
		sourceDataSource := simplestreams.NewURLDataSource("local source", source, utils.VerifySSLHostnames)
		toolsList, err = envtools.FindToolsForCloud(
			[]simplestreams.DataSource{sourceDataSource}, simplestreams.CloudSpec{},
			version.Current.Major, minorVersion, coretools.Filter{})
	}
	if err != nil {
		return err
	}

	targetStorage, err := filestorage.NewFileStorageWriter(c.metadataDir)
	if err != nil {
		return err
	}
	writeMirrors := envtools.DoNotWriteMirrors
	if c.public {
		writeMirrors = envtools.WriteMirrors
	}
	return mergeAndWriteMetadata(targetStorage, toolsList, writeMirrors)
}
Пример #2
0
// SyncTools copies the Juju tools tarball from the official bucket
// or a specified source directory into the user's environment.
func SyncTools(syncContext *SyncContext) error {
	sourceDataSource, err := selectSourceDatasource(syncContext)
	if err != nil {
		return err
	}

	logger.Infof("listing available tools")
	if syncContext.MajorVersion == 0 && syncContext.MinorVersion == 0 {
		syncContext.MajorVersion = version.Current.Major
		syncContext.MinorVersion = -1
		if !syncContext.AllVersions {
			syncContext.MinorVersion = version.Current.Minor
		}
	} else if !syncContext.Dev && syncContext.MinorVersion != -1 {
		// If a major.minor version is specified, we allow dev versions.
		// If Dev is already true, leave it alone.
		syncContext.Dev = true
	}

	released := !syncContext.Dev && !version.Current.IsDev()
	sourceTools, err := envtools.FindToolsForCloud(
		[]simplestreams.DataSource{sourceDataSource}, simplestreams.CloudSpec{},
		syncContext.MajorVersion, syncContext.MinorVersion, coretools.Filter{Released: released})
	if err != nil {
		return err
	}

	logger.Infof("found %d tools", len(sourceTools))
	if !syncContext.AllVersions {
		var latest version.Number
		latest, sourceTools = sourceTools.Newest()
		logger.Infof("found %d recent tools (version %s)", len(sourceTools), latest)
	}
	for _, tool := range sourceTools {
		logger.Debugf("found source tool: %v", tool)
	}

	logger.Infof("listing target tools storage")
	targetStorage := syncContext.Target
	targetTools, err := envtools.ReadList(targetStorage, syncContext.MajorVersion, -1)
	switch err {
	case nil, coretools.ErrNoMatches, envtools.ErrNoTools:
	default:
		return err
	}
	for _, tool := range targetTools {
		logger.Debugf("found target tool: %v", tool)
	}

	missing := sourceTools.Exclude(targetTools)
	logger.Infof("found %d tools in target; %d tools to be copied", len(targetTools), len(missing))
	err = copyTools(missing, syncContext, targetStorage)
	if err != nil {
		return err
	}
	logger.Infof("copied %d tools", len(missing))

	logger.Infof("generating tools metadata")
	if !syncContext.DryRun {
		targetTools = append(targetTools, missing...)
		writeMirrors := envtools.DoNotWriteMirrors
		if syncContext.Public {
			writeMirrors = envtools.WriteMirrors
		}
		err = envtools.MergeAndWriteMetadata(targetStorage, targetTools, writeMirrors)
		if err != nil {
			return err
		}
	}
	logger.Infof("tools metadata written")
	return nil
}