Golang File.ActiveInfrastructure方法代码示例

func (c *Core) appContext(f *appfile.File) (*app.Context, error) {
	// Whether or not this is the root Appfile
	root := f.ID == c.appfile.ID

	// We need the configuration for the active infrastructure
	// so that we can build the tuple below
	config := f.ActiveInfrastructure()
	if config == nil {
		return nil, fmt.Errorf(
			"infrastructure not found in appfile: %s",
			f.Project.Infrastructure)
	}

	// The tuple we're looking for is the application type, the
	// infrastructure type, and the infrastructure flavor. Build that
	// tuple.
	tuple := app.Tuple{
		App:         f.Application.Type,
		Infra:       config.Type,
		InfraFlavor: config.Flavor,
	}

	// The output directory for data. This is either the main app so
	// it goes directly into "app" or it is a dependency and goes into
	// a dep folder.
	outputDir := filepath.Join(c.compileDir, "app")
	if !root {
		outputDir = filepath.Join(
			c.compileDir, fmt.Sprintf("dep-%s", f.ID))
	}

	// The cache directory for this app
	cacheDir := filepath.Join(c.dataDir, "cache", f.ID)
	if err := os.MkdirAll(cacheDir, 0755); err != nil {
		return nil, fmt.Errorf(
			"error making cache directory '%s': %s",
			cacheDir, err)
	}

	// The directory for global data
	globalDir := filepath.Join(c.dataDir, "global-data")
	if err := os.MkdirAll(globalDir, 0755); err != nil {
		return nil, fmt.Errorf(
			"error making global data directory '%s': %s",
			globalDir, err)
	}

	// Build the contexts for the foundations. We use this
	// to also compile the list of foundation dirs.
	foundationDirs := make([]string, len(config.Foundations))
	for i, f := range config.Foundations {
		foundationDirs[i] = filepath.Join(
			outputDir, fmt.Sprintf("foundation-%s", f.Name))
	}

	// Get the dev IP address
	ipDB := &localaddr.CachedDB{
		DB:        &localaddr.DB{Path: filepath.Join(c.dataDir, "ip.db")},
		CachePath: filepath.Join(c.localDir, "dev_ip"),
	}
	ip, err := ipDB.IP()
	if err != nil {
		return nil, fmt.Errorf(
			"Error retrieving dev IP address: %s", err)
	}

	// Get the metadata
	var compileResult *app.CompileResult
	md, err := c.compileMetadata()
	if err != nil {
		return nil, fmt.Errorf(
			"Error loading compilation metadata: %s", err)
	}
	if md != nil {
		if root {
			compileResult = md.App
		} else {
			compileResult = md.AppDeps[f.ID]
		}
	}

	return &app.Context{
		CompileResult: compileResult,
		Dir:           outputDir,
		CacheDir:      cacheDir,
		LocalDir:      c.localDir,
		GlobalDir:     globalDir,
		Tuple:         tuple,
		Application:   f.Application,
		DevIPAddress:  ip.String(),
		Shared: context.Shared{
			Appfile:        f,
			FoundationDirs: foundationDirs,
			InstallDir:     filepath.Join(c.dataDir, "binaries"),
			Directory:      c.dir,
			Ui:             c.ui,
		},
	}, nil
}

//.........这里部分代码省略.........
	}
	detectorDir := filepath.Join(dataDir, DefaultLocalDataDetectorDir)
	log.Printf("[DEBUG] loading detectors from: %s", detectorDir)
	detectConfig, err := detect.ParseDir(detectorDir)
	if err != nil {
		c.Ui.Error(err.Error())
		return 1
	}
	if detectConfig == nil {
		detectConfig = &detect.Config{}
	}
	err = detectConfig.Merge(&detect.Config{Detectors: c.Detectors})
	if err != nil {
		c.Ui.Error(err.Error())
		return 1
	}

	// Load the default Appfile so we can merge in any defaults into
	// the loaded Appfile (if there is one).
	appDef, err := appfile.Default(filepath.Dir(flagAppfile), detectConfig)
	if err != nil {
		c.Ui.Error(fmt.Sprintf(
			"Error loading Appfile: %s", err))
		return 1
	}

	// If there was no loaded Appfile and we don't have an application
	// type then we weren't able to detect the type. Error.
	if app == nil && appDef.Application.Type == "" {
		c.Ui.Error(strings.TrimSpace(errCantDetectType))
		return 1
	}

	// Merge the appfiles
	if app != nil {
		if err := appDef.Merge(app); err != nil {
			c.Ui.Error(fmt.Sprintf(
				"Error loading Appfile: %s", err))
			return 1
		}
	}
	app = appDef

	// Compile the Appfile
	ui.Header("Fetching all Appfile dependencies...")
	capp, err := appfile.Compile(app, &appfile.CompileOpts{
		Dir: filepath.Join(
			filepath.Dir(app.Path), DefaultOutputDir, DefaultOutputDirCompiledAppfile),
		Detect:   detectConfig,
		Callback: c.compileCallback(ui),
	})
	if err != nil {
		c.Ui.Error(fmt.Sprintf(
			"Error compiling Appfile: %s", err))
		return 1
	}

	// Get a core
	core, err := c.Core(capp)
	if err != nil {
		c.Ui.Error(fmt.Sprintf(
			"Error loading core: %s", err))
		return 1
	}

	// Get the active infrastructure just for UI reasons
	infra := app.ActiveInfrastructure()

	// Before the compilation, output to the user what is going on
	ui.Header("Compiling...")
	ui.Message(fmt.Sprintf(
		"Application:    %s (%s)",
		app.Application.Name,
		app.Application.Type))
	ui.Message(fmt.Sprintf("Project:        %s", app.Project.Name))
	ui.Message(fmt.Sprintf(
		"Infrastructure: %s (%s)",
		infra.Type,
		infra.Flavor))
	ui.Message("")

	// Compile!
	if err := core.Compile(); err != nil {
		c.Ui.Error(fmt.Sprintf(
			"Error compiling: %s", err))
		return 1
	}

	// Success!
	ui.Header("[green]Compilation success!")
	ui.Message(fmt.Sprintf(
		"[green]This means that Otto is now ready to start a development environment,\n" +
			"deploy this application, build the supporting infastructure, and\n" +
			"more. See the help for more information.\n\n" +
			"Supporting files to enable Otto to manage your application from\n" +
			"development to deployment have been placed in the output directory.\n" +
			"These files can be manually inspected to determine what Otto will do."))

	return 0
}