Golang mb.BaseMetricSet类代码示例

// New creates new instance of MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	// Additional configuration options
	config := struct {
		ServerStatusPath string `config:"server_status_path"`
		Username         string `config:"username"`
		Password         string `config:"password"`
	}{
		ServerStatusPath: defaultPath,
		Username:         "",
		Password:         "",
	}
	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	u, err := getURL(config.Username, config.Password, config.ServerStatusPath, base.Host())
	if err != nil {
		return nil, err
	}

	debugf("apache-status URL=%s", redactPassword(*u))
	return &MetricSet{
		BaseMetricSet: base,
		url:           u.String(),
	}, nil
}

// New create a new instance of the MetricSet
// Part of new is also setting up the configuration by processing additional
// configuration entries if needed.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	logp.Warn("EXPERIMENTAL: The haproxy info metricset is experimental")

	return &MetricSet{
		BaseMetricSet: base,
		statsAddr:     base.Host(),
		counter:       1,
	}, nil
}

// New create a new instance of the MetricSet
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {

	config := struct{}{}

	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
	}, nil
}

func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	dialInfo, err := mgo.ParseURL(base.HostData().URI)
	if err != nil {
		return nil, err
	}
	dialInfo.Timeout = base.Module().Config().Timeout

	return &MetricSet{
		BaseMetricSet: base,
		dialInfo:      dialInfo,
	}, nil
}

func New(base mb.BaseMetricSet) (mb.MetricSet, error) {

	config := struct {
		Hosts []string `config:"hosts"    validate:"nonzero,required"`
	}{}

	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
	}, nil
}

// New create a new instance of the MetricSet
// Part of new is also setting up the configuration by processing additional
// configuration entries if needed.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	logp.Warn("EXPERIMENTAL: The couchbase cluster metricset is experimental")

	config := struct{}{}

	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		client:        &http.Client{Timeout: base.Module().Config().Timeout},
	}, nil
}

// New creates new instance of MetricSet
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	// Unpack additional configuration options.
	config := struct {
		Network  string `config:"network"`
		MaxConn  int    `config:"maxconn" validate:"min=1"`
		Password string `config:"password"`
	}{
		Network:  "tcp",
		MaxConn:  10,
		Password: "",
	}
	err := base.Module().UnpackConfig(&config)
	if err != nil {
		return nil, err
	}

	redisPools := make(map[string]*rd.Pool, len(base.Module().Config().Hosts))
	for _, host := range base.Module().Config().Hosts {
		redisPool := createPool(host, config.Password, config.Network,
			config.MaxConn, base.Module().Config().Timeout)
		redisPools[host] = redisPool
	}

	return &MetricSet{
		BaseMetricSet: base,
		redisPools:    redisPools,
	}, nil
}

// New create a new instance of the docker info MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	logp.Warn("EXPERIMENTAL: The docker info metricset is experimental")

	config := docker.Config{}
	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	client, err := docker.NewDockerClient(base.HostData().URI, config)
	if err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		dockerClient:  client,
	}, nil
}

// New is a mb.MetricSetFactory that returns a cpu.MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {

	config := struct {
		CpuTicks bool `config:"cpu_ticks"` // export CPU usage in ticks
	}{
		CpuTicks: false,
	}

	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		cpu: &CPU{
			CpuTicks: config.CpuTicks,
		},
	}, nil
}

func NewMetricSet(base mb.BaseMetricSet) (mb.MetricSet, error) {
	// Unpack additional configuration options.
	config := struct {
		Username string `config:"username"`
		Password string `config:"password"`
	}{
		Username: "",
		Password: "",
	}
	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		username:      config.Username,
		password:      config.Password,
	}, nil
}

// New create a new instance of the container MetricSet
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {

	logp.Warn("EXPERIMENTAL: The container metricset is experimental")

	config := docker.GetDefaultConf()
	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	client, err := docker.NewDockerClient(&config)
	if err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		dockerClient:  client,
	}, nil
}

// New creates and returns a new MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	config := struct {
		Procs   []string `config:"processes"` // collect all processes by default
		Cgroups bool     `config:"cgroups"`
	}{
		Procs:   []string{".*"},
		Cgroups: false,
	}

	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	m := &MetricSet{
		BaseMetricSet: base,
		stats: &ProcStats{
			ProcStats: true,
			Procs:     config.Procs,
		},
	}
	err := m.stats.InitProcStats()
	if err != nil {
		return nil, err
	}

	if runtime.GOOS == "linux" {
		systemModule, ok := base.Module().(*system.Module)
		if !ok {
			return nil, fmt.Errorf("unexpected module type")
		}

		if config.Cgroups {
			logp.Warn("EXPERIMENTAL: Cgroup is enabled for the system.process MetricSet.")
			m.cgroup, err = cgroup.NewReader(systemModule.HostFS, true)
			if err != nil {
				return nil, errors.Wrap(err, "error initializing cgroup reader")
			}
		}
	}

	return m, nil
}

// New creates a new instance of the docker network MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	logp.Warn("EXPERIMENTAL: The docker network metricset is experimental")

	config := docker.Config{}
	if err := base.Module().UnpackConfig(&config); err != nil {
		return nil, err
	}

	client, err := docker.NewDockerClient(base.HostData().URI, config)
	if err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		dockerClient:  client,
		netService: &NetService{
			NetworkStatPerContainer: make(map[string]map[string]NetRaw),
		},
	}, nil
}

// New creates and returns a new MetricSet instance.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	// Unpack additional configuration options.
	config := struct {
		Hosts    []string `config:"hosts"    validate:"nonzero,required"`
		Username string   `config:"username"`
		Password string   `config:"password"`
	}{
		Username: "",
		Password: "",
	}
	err := base.Module().UnpackConfig(&config)
	if err != nil {
		return nil, err
	}

	// Create and validate the data source name.
	dsn, err := mysql.CreateDSN(base.Host(), config.Username, config.Password, base.Module().Config().Timeout)
	if err != nil {
		return nil, err
	}

	return &MetricSet{
		BaseMetricSet: base,
		dsn:           dsn,
	}, nil
}

// New creates and returns a new MetricSet instance.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
	// Unpack additional configuration options.
	config := struct {
		Username string `config:"username"`
		Password string `config:"password"`
	}{
		Username: "",
		Password: "",
	}
	err := base.Module().UnpackConfig(&config)
	if err != nil {
		return nil, err
	}

	hostToDSN := make(map[string]string, len(base.Module().Config().Hosts))
	for _, host := range base.Module().Config().Hosts {
		// TODO (akroh): Apply validation to the mysql DSN format.
		dsn := mysql.CreateDSN(host, config.Username, config.Password)
		hostToDSN[host] = dsn
	}

	return &MetricSet{
		BaseMetricSet: base,
		hostToDSN:     hostToDSN,
		connections:   map[string]*sql.DB{},
	}, nil
}