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Golang file.IsExist函數代碼示例

本文整理匯總了Golang中github.com/toolkits/file.IsExist函數的典型用法代碼示例。如果您正苦於以下問題：Golang IsExist函數的具體用法？Golang IsExist怎麽用？Golang IsExist使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了IsExist函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("use -c to specify configuration file")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file:", cfg, "is not existent")
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file:", cfg, "fail:", err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file:", cfg, "fail:", err)
	}
	if !file.IsExist(c.ExternalNodes) {
		log.Printf("WARN: the external_nodes file [%s] is not exist!", c.ExternalNodes)
		c.ExternalNodes = ""
	}

	configLock.Lock()
	defer configLock.Unlock()

	config = &c

	log.Println("read config file:", cfg, "successfully")
}
開發者ID:Liuyanglong，項目名稱:monitor-hbs，代碼行數:33，代碼來源:cfg.go

示例2: StopAgentOf

func StopAgentOf(agentName, newVersion string) error {
	agentDir := path.Join(g.SelfDir, agentName)
	versionFile := path.Join(agentDir, ".version")

	if !file.IsExist(versionFile) {
		log.Printf("WARN: %s is nonexistent", versionFile)
		return nil
	}

	version, err := file.ToTrimString(versionFile)
	if err != nil {
		log.Printf("WARN: read %s fail %s", version, err)
		return nil
	}

	if version == newVersion {
		// do nothing
		return nil
	}

	versionDir := path.Join(agentDir, version)
	if !file.IsExist(versionDir) {
		log.Printf("WARN: %s nonexistent", versionDir)
		return nil
	}

	return ControlStopIn(versionDir)
}
開發者ID:Cepave，項目名稱:ops-updater，代碼行數:28，代碼來源:stop.go

示例3: configPluginRoutes

func configPluginRoutes() {
	http.HandleFunc("/plugin/update", func(w http.ResponseWriter, r *http.Request) {
		if !g.Config().Plugin.Enabled {
			w.Write([]byte("plugin not enabled"))
			return
		}

		dir := g.Config().Plugin.Dir
		parentDir := file.Dir(dir)
		file.InsureDir(parentDir)

		if file.IsExist(dir) {
			// git pull
			cmd := exec.Command("git", "pull")
			cmd.Dir = dir
			err := cmd.Run()
			if err != nil {
				w.Write([]byte(fmt.Sprintf("git pull in dir:%s fail. error: %s", dir, err)))
				return
			}
		} else {
			// git clone
			cmd := exec.Command("git", "clone", g.Config().Plugin.Git, file.Basename(dir))
			cmd.Dir = parentDir
			err := cmd.Run()
			if err != nil {
				w.Write([]byte(fmt.Sprintf("git clone in dir:%s fail. error: %s", parentDir, err)))
				return
			}
		}

		w.Write([]byte("success"))
	})

	http.HandleFunc("/plugin/reset", func(w http.ResponseWriter, r *http.Request) {
		if !g.Config().Plugin.Enabled {
			w.Write([]byte("plugin not enabled"))
			return
		}

		dir := g.Config().Plugin.Dir

		if file.IsExist(dir) {
			cmd := exec.Command("git", "reset", "--hard")
			cmd.Dir = dir
			err := cmd.Run()
			if err != nil {
				w.Write([]byte(fmt.Sprintf("git reset --hard in dir:%s fail. error: %s", dir, err)))
				return
			}
		}
		w.Write([]byte("success"))
	})

	http.HandleFunc("/plugins", func(w http.ResponseWriter, r *http.Request) {
		//TODO: not thread safe
		RenderDataJson(w, plugins.Plugins)
	})
}
開發者ID:ZeaLoVe，項目名稱:falcon-winAgent，代碼行數:59，代碼來源:plugin.go

示例4: AllProcs

func AllProcs() (ps []*Proc, err error) {
	var dirs []string
	dirs, err = file.DirsUnder("/proc")
	if err != nil {
		return
	}

	size := len(dirs)
	if size == 0 {
		return
	}

	for i := 0; i < size; i++ {
		pid, e := strconv.Atoi(dirs[i])
		if e != nil {
			continue
		}

		statusFile := fmt.Sprintf("/proc/%d/status", pid)
		cmdlineFile := fmt.Sprintf("/proc/%d/cmdline", pid)
		if !file.IsExist(statusFile) || !file.IsExist(cmdlineFile) {
			continue
		}

		name, e := ReadName(statusFile)
		if e != nil {
			continue
		}

		cmdlineBytes, e := file.ToBytes(cmdlineFile)
		if e != nil {
			continue
		}

		cmdlineBytesLen := len(cmdlineBytes)
		if cmdlineBytesLen == 0 {
			continue
		}

		noNut := make([]byte, 0, cmdlineBytesLen)

		for j := 0; j < cmdlineBytesLen; j++ {
			if cmdlineBytes[j] != 0 {
				noNut = append(noNut, cmdlineBytes[j])
			}
		}

		p := Proc{Pid: pid, Name: name, Cmdline: string(noNut)}
		ps = append(ps, &p)
	}

	return
}
開發者ID:shenjh369，項目名稱:nux，代碼行數:53，代碼來源:proc.go

示例5: BuildHeartbeatRequest

func BuildHeartbeatRequest(hostname string, agentDirs []string) model.HeartbeatRequest {
	req := model.HeartbeatRequest{Hostname: hostname}

	realAgents := []*model.RealAgent{}
	now := time.Now().Unix()

	for _, agentDir := range agentDirs {
		// 如果目錄下沒有.version，我們認為這根本不是一個agent
		versionFile := path.Join(g.SelfDir, agentDir, ".version")
		if !f.IsExist(versionFile) {
			continue
		}

		version, err := f.ToTrimString(versionFile)
		if err != nil {
			log.Printf("read %s/.version fail: %v", agentDir, err)
			continue
		}

		controlFile := path.Join(g.SelfDir, agentDir, version, "control")
		if !f.IsExist(controlFile) {
			log.Printf("%s is nonexistent", controlFile)
			continue
		}

		cmd := exec.Command("./control", "status")
		cmd.Dir = path.Join(g.SelfDir, agentDir, version)
		bs, err := cmd.CombinedOutput()

		status := ""
		if err != nil {
			status = fmt.Sprintf("exec `./control status` fail: %s", err)
		} else {
			status = strings.TrimSpace(string(bs))
		}

		realAgent := &model.RealAgent{
			Name:      agentDir,
			Version:   version,
			Status:    status,
			Timestamp: now,
		}

		realAgents = append(realAgents, realAgent)
	}

	req.RealAgents = realAgents
	return req
}
開發者ID:GaoJiasheng，項目名稱:agent-updater，代碼行數:49，代碼來源:request.go

示例6: FilesReady

func FilesReady(da *model.DesiredAgent) bool {
	if !file.IsExist(da.Md5Filepath) {
		return false
	}

	if !file.IsExist(da.TarballFilepath) {
		return false
	}

	if !file.IsExist(da.ControlFilepath) {
		return false
	}

	return utils.Md5sumCheck(da.AgentVersionDir, da.Md5Filename)
}
開發者ID:GaoJiasheng，項目名稱:agent-updater，代碼行數:15，代碼來源:start.go

示例7: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("use -c to specify one config file")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file:", cfg, "not exist")
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file:", cfg, "failed:", err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file:", cfg, "failed:", err)
	}

	// check
	if !checkConfig(c) {
		log.Fatalln("check config file:", cfg, "failed")
	}

	configLock.Lock()
	defer configLock.Unlock()
	config = &c

	log.Println("g.ParseConfig ok, file ", cfg)
}
開發者ID:niean，項目名稱:godemos，代碼行數:33，代碼來源:cfg.go

示例8: StopDesiredAgent

func StopDesiredAgent(da *model.DesiredAgent) {
	if !file.IsExist(da.ControlFilepath) {
		return
	}

	ControlStopIn(da.AgentVersionDir)
}
開發者ID:Cepave，項目名稱:ops-updater，代碼行數:7，代碼來源:stop.go

示例9: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("use -c to specify configuration file")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file:", cfg, "is not existent. maybe you need `mv cfg.example.json cfg.json`")
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file:", cfg, "fail:", err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file:", cfg, "fail:", err)
	}

	// split cluster config
	c.Judge.Cluster2 = formatClusterItems(c.Judge.Cluster)
	c.Graph.Cluster2 = formatClusterItems(c.Graph.Cluster)
	c.Graph.ClusterMigrating2 = formatClusterItems(c.Graph.ClusterMigrating)

	configLock.Lock()
	defer configLock.Unlock()
	config = &c

	log.Println("g.ParseConfig ok, file ", cfg)
}
開發者ID:Charlesdong，項目名稱:transfer，代碼行數:33，代碼來源:cfg.go

示例10: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("config file not specified: use -c $filename")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file specified not found:", cfg)
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file", cfg, "error:", err.Error())
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file", cfg, "error:", err.Error())
	}

	if c.Migrate.Enabled && len(c.Migrate.Cluster) == 0 {
		c.Migrate.Enabled = false
	}

	// set config
	atomic.StorePointer(&ptr, unsafe.Pointer(&c))

	log.Println("g.ParseConfig ok, file", cfg)
}
開發者ID:masato25，項目名稱:graph，代碼行數:31，代碼來源:cfg.go

示例11: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("use -c to specify configuration file")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file:", cfg, "is not existent. maybe you need `mv cfg.example.json cfg.json`")
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file:", cfg, "fail:", err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file:", cfg, "fail:", err)
	}

	lock.Lock()
	defer lock.Unlock()

	config = &c

	log.Println("read config file:", cfg, "successfully")
}
開發者ID:donh，項目名稱:agent，代碼行數:29，代碼來源:cfg.go

示例12: ParseConfig

// Reference to Open-Falcon's ParseConfig()
func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("Config file not specified: use -c $filename")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("Config file specified not found:", cfg)
	}

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("Read config file", cfg, "error:", err.Error())
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("Parse config file", cfg, "error:", err.Error())
	}

	// set config
	configLock.Lock()
	defer configLock.Unlock()
	Config = &c

	printDebug(2, "ParseConfig:", cfg, "[DONE.]")
}
開發者ID:crosserclaws，項目名稱:openfalcon-test，代碼行數:28，代碼來源:main.go

示例13: LoadAddrs

func (t *RingBackend) LoadAddrs(f string) error {
	if !file.IsExist(f) {
		return errors.New("backends file is not exist")
	}

	file_content, err := file.ToString(f)
	if err != nil {
		return err
	}
	file_content = strings.Trim(file_content, " \n\t")

	lines := strings.Split(file_content, "\n")
	if len(lines) == 0 {
		return errors.New("empty backends")
	}

	tmp_addrs := make(map[string][]string)
	for _, line := range lines {
		fields := strings.Fields(line)
		size := len(fields)
		if size < 2 {
			logger.Warn("invalid backend %s", line)
			continue
		}
		name := fields[0]
		addr := fields[1:size]
		tmp_addrs[name] = addr
	}

	t.Lock()
	defer t.Unlock()
	t.Addrs = tmp_addrs

	return nil
}
開發者ID:huangjiasingle，項目名稱:cpool，代碼行數:35，代碼來源:pool.go

示例14: ParseConfig

func ParseConfig(cfg string) {
	if cfg == "" {
		log.Fatalln("use -c to specify configuration file")
	}

	if !file.IsExist(cfg) {
		log.Fatalln("config file:", cfg, "is not existent")
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		log.Fatalln("read config file:", cfg, "fail:", err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		log.Fatalln("parse config file:", cfg, "fail:", err)
	}

	configLock.Lock()
	defer configLock.Unlock()

	config = &c

	logger.SetLevel(config.LogLevel)
	log.Println("read config file:", cfg, "successfully")
}
開發者ID:Jimbean0615，項目名稱:query，代碼行數:30，代碼來源:cfg.go

示例15: ParseConfig

func ParseConfig(cfg string) error {
	if cfg == "" {
		return fmt.Errorf("use -c to specify configuration file")
	}

	if !file.IsExist(cfg) {
		return fmt.Errorf("config file %s is nonexistent", cfg)
	}

	ConfigFile = cfg

	configContent, err := file.ToTrimString(cfg)
	if err != nil {
		return fmt.Errorf("read config file %s fail %s", cfg, err)
	}

	var c GlobalConfig
	err = json.Unmarshal([]byte(configContent), &c)
	if err != nil {
		return fmt.Errorf("parse config file %s fail %s", cfg, err)
	}

	configLock.Lock()
	defer configLock.Unlock()

	config = &c

	log.Println("read config file:", cfg, "successfully")
	return nil
}
開發者ID:coraldane，項目名稱:ops-meta，代碼行數:30，代碼來源:cfg.go


注：本文中的github.com/toolkits/file.IsExist函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。