metric

Documentation

Index

• Variables
• func IsNoDataError(err error) bool
• type CSICollector
  • func (csi CSICollector) Collect(ch chan<- prometheus.Metric)
  • func (csi CSICollector) Describe(ch chan<- *prometheus.Desc)
• type Collector
  • func NewDiskStatCollector() (Collector, error)
  • func NewPfsRawBlockStatCollector() (Collector, error)
• type ExecResult
• type Handler
  • func NewMetricHandler(serviceType string) *Handler
  • func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)

Variables

var ErrNoData = errors.New("Collector returned no data")

ErrNoData indicates the collector found no data to collect, but had no other error.

Functions

func IsNoDataError

func IsNoDataError(err error) bool

IsNoDataError method is to determine whether the Collector has no data to return

Types

type CSICollector

type CSICollector struct {
	Collectors map[string]Collector
}

CSICollector implements the prometheus.Collector interface.

func (CSICollector) Collect

func (csi CSICollector) Collect(ch chan<- prometheus.Metric)

Collect implements the prometheus.Collector interface.

func (CSICollector) Describe

func (csi CSICollector) Describe(ch chan<- *prometheus.Desc)

Describe implements the prometheus.Collector interface.

type Collector

type Collector interface {
	// Get new metrics and expose them via prometheus registry.
	Update(ch chan<- prometheus.Metric) error
}

Collector is the interface a collector has to implement.

func NewDiskStatCollector

func NewDiskStatCollector() (Collector, error)

NewDiskStatCollector returns a new Collector exposing disk stats.

func NewPfsRawBlockStatCollector

func NewPfsRawBlockStatCollector() (Collector, error)

NewPfsRawBlockStatCollector returns a new Collector exposing stats.

type ExecResult

type ExecResult struct {
	ExitCode int
	// contains filtered or unexported fields
}

ExecResult represents a result returned from Exec()

type Handler

type Handler struct {
}

Handler is a package of promHttp,metric entry

func NewMetricHandler

func NewMetricHandler(serviceType string) *Handler

NewMetricHandler method returns a promHttp object

func (*Handler) ServeHTTP

func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)

ServeHTTP implements http.Handler.