コード例 #1
0
ファイル: compiler.go プロジェクト: ubiqueworks/magutt
func printContextData(context *pongo2.Context, isDebug bool) {
	// Pretty print the available data as YAML
	if serializedData, err := yaml.Marshal(context); err == nil {
		source := util.IndentString(string(serializedData), "  ")
		if isDebug {
			log.Debug(source)
		} else {
			log.Info(source)
		}
	} else {
		// Fallback
		for k, v := range *context {
			log.Info("  %s = %v", k, v)
		}
	}
}
コード例 #2
0
ファイル: compiler.go プロジェクト: ubiqueworks/magutt
func compileArtifact(context *pongo2.Context, artifact *data.Artifact, providerName string, baseDir *string, workDir *string) error {
	outputFile := filepath.Join(*workDir, "build", providerName, artifact.Name, "user-data")
	outputDir := filepath.Dir(outputFile)

	// Create output directory if missing
	if exists, _ := util.FileExists(outputDir); !exists {
		if err := os.MkdirAll(outputDir, 0755); err != nil {
			return errors.New(fmt.Sprintf("Could not create output directory:\n  %s\n\nnested error:\n  %s", outputDir, err.Error()))
		}
	}

	log.Notice("▶ Compiling artifact [%s] to:\n  %s", artifact.Name, outputFile)

	log.Debug("  Setting artifact name to the context")
	c := pongo2.Context{
		"env": map[string]interface{}{
			"provider": providerName,
			"artifact": artifact.Name,
		},
	}
	if err := mergo.MergeWithOverwrite(context, c); err != nil {
		return err
	}
	printContextData(context, true)

	// Create the initial user data objects
	buffer := bytes.NewBufferString("#cloud-config\n---\n")
	writeFiles := make([]data.WriteFile, 0, 10)
	units := make([]data.Unit, 0, 10)

	// Process bricks
	bricks := artifact.Bricks
	for _, brick := range bricks {
		log.Info("  Processing brick:\n    %s", brick)

		// Load metadata
		if metadata, brickBaseDir, err := loadBrickMetadata(context, baseDir, &brick); err == nil {
			// Process brick files
			log.Debug("  Processing brick files")
			if brickWriteFiles, err := processMetadataFiles(context, metadata, brickBaseDir); err != nil {
				return err
			} else {
				writeFiles = append(writeFiles, brickWriteFiles...)
			}

			// Process brick units
			log.Debug("  Processing brick unit")
			if brickUnit, err := processMetadataUnits(context, metadata, brickBaseDir); err != nil {
				return err
			} else if brickUnit != nil {
				units = append(units, *brickUnit)
			}
		} else {
			return err
		}
	}

	// Write compiled write-files section
	if len(writeFiles) > 0 {
		writeFilesMap := make(map[string]interface{})
		writeFilesMap["write-files"] = writeFiles
		if output, err := yaml.Marshal(writeFilesMap); err != nil {
			return err
		} else {
			buffer.Write(output)
		}
	}

	// Write rest of config file
	cloudConfig := artifact.CloudConfig

	// Custom CoreOS
	if cloudConfig.CoreOS != nil {
		coreOs := cloudConfig.CoreOS

		// Add units
		//		if coreOs["units"] != nil {
		coreOs["units"] = units
		//		}

		// Write CoreOS section
		coreOsMap := make(map[string]interface{})
		coreOsMap["coreos"] = coreOs
		if output, err := yaml.Marshal(coreOsMap); err != nil {
			return err
		} else {
			buffer.Write(output)
		}
	}

	// Append everything else to the end of the file
	if cloudConfig.Generic != nil {
		if output, err := yaml.Marshal(cloudConfig.Generic); err != nil {
			return err
		} else {
			buffer.Write(output)
		}
	}

	log.Info("  Writing output file to:\n    %s", outputFile)
	if err := ioutil.WriteFile(outputFile, buffer.Bytes(), 0755); err != nil {
		return err
	}

	return nil
}