package metrics import "github.com/prometheus/client_golang/prometheus" const namespace = "frostfs_node" type NodeMetrics struct { objectServiceMetrics engineMetrics stateMetrics epoch prometheus.Gauge } func NewNodeMetrics() *NodeMetrics { objectService := newObjectServiceMetrics() objectService.register() engine := newEngineMetrics() engine.register() state := newStateMetrics() state.register() epoch := prometheus.NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: innerRingSubsystem, Name: "epoch", Help: "Current epoch as seen by inner-ring node.", }) prometheus.MustRegister(epoch) return &NodeMetrics{ objectServiceMetrics: objectService, engineMetrics: engine, stateMetrics: state, epoch: epoch, } } // SetEpoch updates epoch metric. func (m *NodeMetrics) SetEpoch(epoch uint64) { m.epoch.Set(float64(epoch)) }