Golang util.GetConfig函數代碼示例

// TestExtensions runs extension tests when invoked from Gohan CLI
func TestExtensions(c *cli.Context) {
	buflog.SetUpDefaultLogging()

	var config *util.Config
	configFilePath := c.String("config-file")

	if configFilePath != "" && !c.Bool("verbose") {
		config = util.GetConfig()
		err := config.ReadConfig(configFilePath)
		if err != nil {
			log.Error(fmt.Sprintf("Failed to read config from path %s: %v", configFilePath, err))
			os.Exit(1)
		}

		err = gohan_log.SetUpLogging(config)
		if err != nil {
			log.Error(fmt.Sprintf("Failed to set up logging: %v", err))
			os.Exit(1)
		}
	}

	testFiles := getTestFiles(c.Args())

	//logging from config is a limited printAllLogs option
	returnCode := RunTests(testFiles, c.Bool("verbose") || config != nil, c.String("run-test"))
	os.Exit(returnCode)
}

//Sync Watch Process
func startSyncWatchProcess(server *Server) {
	config := util.GetConfig()
	watch := config.GetStringList("watch/keys", nil)
	events := config.GetStringList("watch/events", nil)
	if watch == nil {
		return
	}
	extensions := map[string]extension.Environment{}
	for _, event := range events {
		path := "sync://" + event
		env, err := server.NewEnvironmentForPath("sync."+event, path)
		if err != nil {
			log.Fatal(err.Error())
		}
		extensions[event] = env
	}
	responseChan := make(chan *gohan_sync.Event)
	stopChan := make(chan bool)
	for _, path := range watch {
		go func(path string) {
			defer util.LogFatalPanic(log)
			for server.running {
				lockKey := lockPath + "watch"
				err := server.sync.Lock(lockKey, true)
				if err != nil {
					log.Warning("Can't start watch process due to lock", err)
					time.Sleep(5 * time.Second)
					continue
				}
				defer func() {
					server.sync.Unlock(lockKey)
				}()
				err = server.sync.Watch(path, responseChan, stopChan)
				if err != nil {
					log.Error(fmt.Sprintf("sync watch error: %s", err))
				}
			}
		}(path)
	}
	//main response lisnter process
	go func() {
		defer util.LogFatalPanic(log)
		for server.running {
			response := <-responseChan
			server.queue.Add(job.NewJob(
				func() {
					defer util.LogPanic(log)
					for _, event := range events {
						//match extensions
						if strings.HasPrefix(response.Key, "/"+event) {
							env := extensions[event]
							runExtensionOnSync(server, response, env.Clone())
							return
						}
					}
				}))
		}
	}()

}

func getGraceServerCommand() cli.Command {
	return cli.Command{
		Name:        "glace-server",
		ShortName:   "gsrv",
		Usage:       "Run API Server with graceful restart support",
		Description: "Run Gohan API server with graceful restart support",
		Flags: []cli.Flag{
			cli.StringFlag{Name: "config-file", Value: defaultConfigFile, Usage: "Server config File"},
		},
		Action: func(c *cli.Context) {
			configFile := c.String("config-file")
			loadConfig(configFile)
			opts := &options{OptInterval: -1}
			opts.OptCommand = os.Args[0]
			config := util.GetConfig()
			opts.OptPorts = []string{config.GetString("address", ":9091")}
			opts.OptArgs = []string{"server", "--config-file", configFile}
			s, err := starter.NewStarter(opts)
			if err != nil {
				fmt.Fprintf(os.Stderr, "error: %s\n", err)
				return
			}
			s.Run()
		},
	}
}

//AMQP Process
func startAMQPProcess(server *Server) {
	config := util.GetConfig()
	enableAMQP := config.GetParam("amqp", nil)
	if enableAMQP == nil {
		return
	}
	listenAMQP(server)
}

//SNMP Process
//Experimental
func startSNMPProcess(server *Server) {
	manager := schema.GetManager()
	config := util.GetConfig()
	enabled := config.GetParam("snmp", nil)
	if enabled == nil {
		return
	}
	host := config.GetString("snmp/address", "localhost:162")

	path := "snmp://"
	env := newEnvironment(server.db, server.keystoneIdentity, server.timelimit)
	err := env.LoadExtensionsForPath(manager.Extensions, path)
	if err != nil {
		log.Fatal(fmt.Sprintf("Extensions parsing error: %v", err))
	}

	addr, err := net.ResolveUDPAddr("udp", host)
	if err != nil {
		log.Fatal(err)
	}

	conn, err := net.ListenUDP("udp", addr)
	if err != nil {
		log.Fatal(err)
	}

	buf := make([]byte, 1024)
	go func() {
		defer conn.Close()
		for server.running {
			rlen, remote, err := conn.ReadFromUDP(buf)
			if err != nil {
				log.Error(fmt.Sprintf("[SNMP] failed read bytes %s", err))
				return
			}
			decoded, err := wapsnmp.DecodeSequence(buf[:rlen])
			if err != nil {
				log.Error(fmt.Sprintf("[SNMP] failed decode bytes %s", err))
				continue
			}
			infos := decoded[3].([]interface{})[4].([]interface{})[1:]
			trap := map[string]string{}
			for _, info := range infos {
				listInfo := info.([]interface{})
				oid := listInfo[1].(wapsnmp.Oid)
				trap[oid.String()] = fmt.Sprintf("%v", listInfo[2])
			}

			context := map[string]interface{}{
				"trap":   trap,
				"remote": remote,
			}
			if err := env.HandleEvent("notification", context); err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
			}
		}
	}()
}

func (server *Server) connectDB() error {
	config := util.GetConfig()
	dbType, dbConnection, _, _ := server.getDatabaseConfig()
	maxConn := config.GetInt("database/max_open_conn", db.DefaultMaxOpenConn)
	dbConn, err := db.ConnectDB(dbType, dbConnection, maxConn)
	if server.sync == nil {
		server.db = dbConn
	} else {
		server.db = &DbSyncWrapper{dbConn}
	}
	return err
}

//CRON Process
func startCRONProcess(server *Server) {
	manager := schema.GetManager()
	config := util.GetConfig()
	jobList := config.GetParam("cron", nil)
	if jobList == nil {
		return
	}
	log.Info("Started CRON process")
	c := cron.New()
	for _, rawJob := range jobList.([]interface{}) {
		job := rawJob.(map[string]interface{})
		path := job["path"].(string)
		timing := job["timing"].(string)
		env := newEnvironment(server.db, server.keystoneIdentity)
		err := env.LoadExtensionsForPath(manager.Extensions, path)
		if err != nil {
			log.Fatal(fmt.Sprintf("Extensions parsing error: %v", err))
		}
		log.Info("New job for %s / %s", path, timing)
		c.AddFunc(timing, func() {
			lockKey := lockPath + "/" + path
			err := server.sync.Lock(lockKey, false)
			if err != nil {
				return
			}
			defer func() {
				server.sync.Unlock(lockKey)
			}()
			tx, err := server.db.Begin()
			defer tx.Close()
			context := map[string]interface{}{
				"path": path,
			}
			if err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
				return
			}
			if err := env.HandleEvent("notification", context); err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
				return
			}
			err = tx.Commit()
			if err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
				return
			}
			return
		})
	}
	c.Start()
}

func (server *Server) getDatabaseConfig() (string, string, bool, bool) {
	config := util.GetConfig()
	databaseType := config.GetString("database/type", "sqlite3")
	if databaseType == "json" || databaseType == "yaml" {
		log.Fatal("json or yaml isn't supported as main db backend")
	}
	databaseConnection := config.GetString("database/connection", "")
	if databaseConnection == "" {
		log.Fatal("no database connection specified in the configuraion file.")
	}
	databaseDropOnCreate := config.GetBool("database/drop_on_create", false)
	databaseCascade := config.GetBool("database/cascade_delete", false)
	return databaseType, databaseConnection, databaseDropOnCreate, databaseCascade
}

func (server *Server) mapRoutes() {
	config := util.GetConfig()
	schemaManager := schema.GetManager()
	MapNamespacesRoutes(server.martini)
	MapRouteBySchemas(server, server.db)

	tx, err := server.db.Begin()
	if err != nil {
		log.Fatal(err)
	}
	defer tx.Close()
	coreSchema, _ := schemaManager.Schema("schema")
	if coreSchema == nil {
		log.Fatal("Gohan core schema not found")
		return
	}

	policySchema, _ := schemaManager.Schema("policy")
	policyList, _, err := tx.List(policySchema, nil, nil)
	if err != nil {
		log.Info(err.Error())
	}
	schemaManager.LoadPolicies(policyList)

	extensionSchema, _ := schemaManager.Schema("extension")
	extensionList, _, err := tx.List(extensionSchema, nil, nil)
	if err != nil {
		log.Info(err.Error())
	}
	schemaManager.LoadExtensions(extensionList)

	namespaceSchema, _ := schemaManager.Schema("namespace")
	if namespaceSchema == nil {
		log.Error("No gohan schema. Disabling schema editing mode")
		return
	}
	namespaceList, _, err := tx.List(namespaceSchema, nil, nil)
	if err != nil {
		log.Info(err.Error())
	}
	err = tx.Commit()
	if err != nil {
		log.Info(err.Error())
	}
	schemaManager.LoadNamespaces(namespaceList)

	if config.GetBool("keystone/fake", false) {
		middleware.FakeKeystone(server.martini)
	}
}

//CRON Process
func startCRONProcess(server *Server) {
	config := util.GetConfig()
	jobList := config.GetParam("cron", nil)
	if jobList == nil {
		return
	}
	if server.sync == nil {
		log.Fatalf(fmt.Sprintf("Could not start CRON process because of sync backend misconfiguration."))
		util.LogFatalPanic(log)
	}
	log.Info("Started CRON process")
	c := cron.New()
	for _, rawJob := range jobList.([]interface{}) {
		job := rawJob.(map[string]interface{})
		path := job["path"].(string)
		timing := job["timing"].(string)
		name := strings.TrimPrefix(path, "cron://")
		env, err := server.NewEnvironmentForPath(name, path)
		if err != nil {
			log.Fatal(err.Error())
		}
		log.Info("New job for %s / %s", path, timing)
		c.AddFunc(timing, func() {
			lockKey := lockPath + "/" + path
			err := server.sync.Lock(lockKey, false)
			if err != nil {
				return
			}
			defer func() {
				server.sync.Unlock(lockKey)
			}()
			context := map[string]interface{}{
				"path": path,
			}
			if err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
				return
			}
			if err := env.HandleEvent("notification", context); err != nil {
				log.Warning(fmt.Sprintf("extension error: %s", err))
				return
			}
			return
		})
	}
	c.Start()
}

func doTemplate(c *cli.Context) {
	template := c.String("template")
	manager := schema.GetManager()
	configFile := c.String("config-file")
	config := util.GetConfig()
	err := config.ReadConfig(configFile)
	if err != nil {
		util.ExitFatal(err)
		return
	}
	templateCode, err := util.GetContent(template)
	if err != nil {
		util.ExitFatal(err)
		return
	}
	pwd, _ := os.Getwd()
	os.Chdir(path.Dir(configFile))
	schemaFiles := config.GetStringList("schemas", nil)
	if schemaFiles == nil {
		util.ExitFatal("No schema specified in configuraion")
	} else {
		err = manager.LoadSchemasFromFiles(schemaFiles...)
		if err != nil {
			util.ExitFatal(err)
			return
		}
	}
	schemas := manager.OrderedSchemas()

	if err != nil {
		util.ExitFatal(err)
		return
	}
	tpl, err := pongo2.FromString(string(templateCode))
	if err != nil {
		util.ExitFatal(err)
		return
	}
	output, err := tpl.Execute(pongo2.Context{"schemas": schemas})
	if err != nil {
		util.ExitFatal(err)
		return
	}
	os.Chdir(pwd)
	fmt.Println(output)
}

func loadNPMModules() {
	config := util.GetConfig()
	npmPath := config.GetString("extension/npm_path", ".")
	files, _ := ioutil.ReadDir(npmPath + "/node_modules/")
	for _, f := range files {
		if f.IsDir() && !strings.HasPrefix(f.Name(), ".") {
			module, err := motto.FindFileModule(f.Name(), npmPath, nil)
			if err != nil {
				log.Error("Finding module failed %s in %s", err, f.Name())
				break
			}
			if !strings.HasSuffix(module, ".js") {
				module = module + "/index.js"
			}
			loader := motto.CreateLoaderFromFile(module)
			motto.AddModule(f.Name(), loader)
		}
	}
}

func loadConfig(configFile string) {
	if configFile == "" {
		return
	}
	config := util.GetConfig()
	err := config.ReadConfig(configFile)
	if err != nil {
		if configFile != defaultConfigFile {
			fmt.Println(err)
			os.Exit(1)
		}
		return
	}
	err = l.SetUpLogging(config)
	if err != nil {
		fmt.Printf("Logging setup error: %s\n", err)
		os.Exit(1)
		return
	}
	log.Info("logging initialized")
}

		}
	}
	return nil
}

func TestOttoExtension(t *testing.T) {
	RegisterFailHandler(Fail)
	RunSpecs(t, "Otto Extension Suite")
}

var _ = Describe("Suite set up and tear down", func() {
	var _ = BeforeSuite(func() {
		var err error
		Expect(os.Chdir(configDir)).To(Succeed())
		testDB, err = db.ConnectDB(dbType, dbFile, db.DefaultMaxOpenConn)
		Expect(err).ToNot(HaveOccurred(), "Failed to connect database.")
		manager := schema.GetManager()
		config := util.GetConfig()
		Expect(config.ReadConfig(configFile)).To(Succeed())
		schemaFiles := config.GetStringList("schemas", nil)
		Expect(schemaFiles).NotTo(BeNil())
		Expect(manager.LoadSchemasFromFiles(schemaFiles...)).To(Succeed())
		Expect(db.InitDBWithSchemas(dbType, dbFile, false, false)).To(Succeed())
	})

	var _ = AfterSuite(func() {
		schema.ClearManager()
		os.Remove(dbFile)
	})
})

func setupEditor(server *Server) {
	manager := schema.GetManager()
	config := util.GetConfig()
	editableSchemaFile := config.GetString("editable_schema", "")
	golang.RegisterGoCallback("handle_schema",
		func(event string, context map[string]interface{}) error {
			auth := context["auth"].(schema.Authorization)
			if event == "pre_list" {
				list := []interface{}{}
				total := 0
				for _, currentSchema := range manager.OrderedSchemas() {
					trimmedSchema, err := GetSchema(currentSchema, auth)
					if err != nil {
						return err
					}
					if trimmedSchema != nil {
						s := trimmedSchema.Data()
						s["url"] = currentSchema.URL
						list = append(list, s)
						total = total + 1
					}
				}
				context["total"] = total
				context["response"] = map[string]interface{}{
					"schemas": list,
				}
				return nil
			} else if event == "pre_show" {
				ID := context["id"].(string)
				currentSchema, _ := manager.Schema(ID)
				object, _ := GetSchema(currentSchema, auth)
				s := object.Data()
				s["url"] = currentSchema.URL
				context["response"] = map[string]interface{}{
					"schema": s,
				}
				return nil
			}
			if event != "pre_create" && event != "pre_update" && event != "pre_delete" {
				return nil
			}

			if editableSchemaFile == "" {
				return nil
			}

			ID := context["id"].(string)

			schemasInFile, err := util.LoadMap(editableSchemaFile)
			if err != nil {
				return nil
			}
			schemas := schemasInFile["schemas"].([]interface{})
			updatedSchemas := []interface{}{}
			var existingSchema map[string]interface{}
			for _, rawSchema := range schemas {
				s := rawSchema.(map[string]interface{})
				if s["id"] == ID {
					existingSchema = s
				} else {
					updatedSchemas = append(updatedSchemas, s)
				}
			}

			if event == "pre_create" {
				if existingSchema != nil {
					return fmt.Errorf("ID has been taken")
				}
				newSchema := context["resource"].(map[string]interface{})
				_, err := schema.NewSchemaFromObj(newSchema)
				if err != nil {
					return err
				}
				schemasInFile["schemas"] = append(updatedSchemas, context["resource"].(map[string]interface{}))
				context["response"] = map[string]interface{}{
					"schema": context["resource"],
				}
				context["exception"] = map[string]interface{}{
					"name":    "CustomException",
					"message": context["response"],
					"code":    201,
				}
			} else if event == "pre_update" {
				if existingSchema == nil {
					return fmt.Errorf("Not found or Update isn't supported for this schema")
				}
				for key, value := range context["resource"].(map[string]interface{}) {
					existingSchema[key] = value
				}
				_, err := schema.NewSchemaFromObj(existingSchema)
				if err != nil {
					return err
				}
				schemasInFile["schemas"] = append(updatedSchemas, existingSchema)
				context["response"] = map[string]interface{}{
					"schema": context["resource"],
				}
				context["exception"] = map[string]interface{}{
					"name":    "CustomException",
					"message": context["response"],
//.........這裏部分代碼省略.........