prysm-pulse/beacon-chain/db/state_metrics.go
2019-03-30 13:49:47 -05:00

101 lines
3.3 KiB
Go

package db
import (
"encoding/hex"
"strconv"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/params"
)
var (
validatorBalancesGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "state_validator_balances",
Help: "Balances of validators, updated on epoch transition",
}, []string{
"validator",
})
validatorActivatedGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "state_validator_activated_epoch",
Help: "Activated epoch of validators, updated on epoch transition",
}, []string{
"validatorIndex",
})
validatorExitedGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "state_validator_exited_epoch",
Help: "Exited epoch of validators, updated on epoch transition",
}, []string{
"validatorIndex",
})
validatorSlashedGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "state_validator_slashed_epoch",
Help: "Slashed epoch of validators, updated on epoch transition",
}, []string{
"validatorIndex",
})
lastSlotGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_slot",
Help: "Last slot number of the processed state",
})
lastJustifiedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_justified_epoch",
Help: "Last justified epoch of the processed state",
})
lastPrevJustifiedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_prev_justified_epoch",
Help: "Last prev justified epoch of the processed state",
})
lastFinalizedEpochGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_last_finalized_epoch",
Help: "Last finalized epoch of the processed state",
})
activeValidatorsGauge = promauto.NewGauge(prometheus.GaugeOpts{
Name: "state_active_validators",
Help: "Total number of active validators",
})
)
func reportStateMetrics(state *pb.BeaconState) {
s := params.BeaconConfig().GenesisSlot
e := params.BeaconConfig().GenesisEpoch
currentEpoch := state.Slot / params.BeaconConfig().SlotsPerEpoch
// Validator balances
for i, bal := range state.ValidatorBalances {
validatorBalancesGauge.WithLabelValues(
"0x" + hex.EncodeToString(state.ValidatorRegistry[i].Pubkey), // Validator
).Set(float64(bal))
}
var active float64
for i, v := range state.ValidatorRegistry {
// Track individual Validator's activation epochs
validatorActivatedGauge.WithLabelValues(
strconv.Itoa(i), //Validator index
).Set(float64(v.ActivationEpoch - e))
// Track individual Validator's exited epochs
validatorExitedGauge.WithLabelValues(
strconv.Itoa(i), //Validator index
).Set(float64(v.ExitEpoch - e))
// Track individual Validator's slashed epochs
validatorSlashedGauge.WithLabelValues(
strconv.Itoa(i), //Validator index
).Set(float64(v.SlashedEpoch - e))
// Total number of active validators
if v.ActivationEpoch <= currentEpoch && currentEpoch < v.ExitEpoch {
active++
}
}
activeValidatorsGauge.Set(active)
// Slot number
lastSlotGauge.Set(float64(state.Slot - s))
// Last justified slot
lastJustifiedEpochGauge.Set(float64(state.JustifiedEpoch - e))
// Last previous justified slot
lastPrevJustifiedEpochGauge.Set(float64(state.PreviousJustifiedEpoch - e))
// Last finalized slot
lastFinalizedEpochGauge.Set(float64(state.FinalizedEpoch - e))
}