metrics

Documentation

Index

• type Db
• type MetricSource
  • func NewDBMonitorSource(Db Db, monitor monitor.Monitor) []MetricSource
  • func NewUptimeSource() MetricSource
• type MetricsEmitter
  • func NewMetricsEmitter(logger lager.Logger, interval time.Duration, metrics ...MetricSource) *MetricsEmitter
  • func (m *MetricsEmitter) EmitMetrics()
  • func (m *MetricsEmitter) Run(signals <-chan os.Signal, ready chan<- struct{}) error
• type MetricsSender
  • func (ms *MetricsSender) IncrementCounter(name string)
  • func (ms *MetricsSender) SendDuration(name string, duration time.Duration)
  • func (ms *MetricsSender) SendValue(name string, value float64, units string)
• type NoOpMetricsSender
  • func (s *NoOpMetricsSender) IncrementCounter(string)
  • func (s *NoOpMetricsSender) SendDuration(string, time.Duration)

Types

type Db

type Db interface {
	OpenConnections() int
}

type MetricSource

type MetricSource struct {
	Name   string
	Unit   string
	Getter func() (float64, error)
}

func NewDBMonitorSource

func NewDBMonitorSource(Db Db, monitor monitor.Monitor) []MetricSource

func NewUptimeSource

func NewUptimeSource() MetricSource

type MetricsEmitter

type MetricsEmitter struct {
	// contains filtered or unexported fields
}

func NewMetricsEmitter

func NewMetricsEmitter(logger lager.Logger, interval time.Duration, metrics ...MetricSource) *MetricsEmitter

func (*MetricsEmitter) EmitMetrics

func (m *MetricsEmitter) EmitMetrics()

func (*MetricsEmitter) Run

func (m *MetricsEmitter) Run(signals <-chan os.Signal, ready chan<- struct{}) error

type MetricsSender

type MetricsSender struct {
	Logger lager.Logger
}

func (*MetricsSender) IncrementCounter

func (ms *MetricsSender) IncrementCounter(name string)

func (*MetricsSender) SendDuration

func (ms *MetricsSender) SendDuration(name string, duration time.Duration)

func (*MetricsSender) SendValue

func (ms *MetricsSender) SendValue(name string, value float64, units string)

type NoOpMetricsSender

type NoOpMetricsSender struct{}

func (*NoOpMetricsSender) IncrementCounter

func (s *NoOpMetricsSender) IncrementCounter(string)

func (*NoOpMetricsSender) SendDuration

func (s *NoOpMetricsSender) SendDuration(string, time.Duration)