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metrics.go
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metrics.go
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// Copyright (C) 2019-2024, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package metrics
import (
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/ava-labs/avalanchego/ids"
"github.com/ava-labs/avalanchego/utils/metric"
"github.com/ava-labs/avalanchego/utils/wrappers"
"github.com/ava-labs/avalanchego/vms/platformvm/block"
)
var _ Metrics = (*metrics)(nil)
type Metrics interface {
metric.APIInterceptor
// Mark that an option vote that we initially preferred was accepted.
MarkOptionVoteWon()
// Mark that an option vote that we initially preferred was rejected.
MarkOptionVoteLost()
// Mark that the given block was accepted.
MarkAccepted(block.Block) error
// Mark that a validator set was created.
IncValidatorSetsCreated()
// Mark that a validator set was cached.
IncValidatorSetsCached()
// Mark that we spent the given time computing validator diffs.
AddValidatorSetsDuration(time.Duration)
// Mark that we computed a validator diff at a height with the given
// difference from the top.
AddValidatorSetsHeightDiff(uint64)
// Mark that this much stake is staked on the node.
SetLocalStake(uint64)
// Mark that this much stake is staked in the network.
SetTotalStake(uint64)
// Mark when this node will unstake from the Primary Network.
SetTimeUntilUnstake(time.Duration)
// Mark when this node will unstake from a subnet.
SetTimeUntilSubnetUnstake(subnetID ids.ID, timeUntilUnstake time.Duration)
}
func New(
namespace string,
registerer prometheus.Registerer,
) (Metrics, error) {
blockMetrics, err := newBlockMetrics(namespace, registerer)
m := &metrics{
blockMetrics: blockMetrics,
timeUntilUnstake: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "time_until_unstake",
Help: "Time (in ns) until this node leaves the Primary Network's validator set",
}),
timeUntilSubnetUnstake: prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: namespace,
Name: "time_until_unstake_subnet",
Help: "Time (in ns) until this node leaves the subnet's validator set",
},
[]string{"subnetID"},
),
localStake: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "local_staked",
Help: "Amount (in nAVAX) of AVAX staked on this node",
}),
totalStake: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "total_staked",
Help: "Amount (in nAVAX) of AVAX staked on the Primary Network",
}),
numVotesWon: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "votes_won",
Help: "Total number of votes this node has won",
}),
numVotesLost: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "votes_lost",
Help: "Total number of votes this node has lost",
}),
validatorSetsCached: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "validator_sets_cached",
Help: "Total number of validator sets cached",
}),
validatorSetsCreated: prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Name: "validator_sets_created",
Help: "Total number of validator sets created from applying difflayers",
}),
validatorSetsHeightDiff: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "validator_sets_height_diff_sum",
Help: "Total number of validator sets diffs applied for generating validator sets",
}),
validatorSetsDuration: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Name: "validator_sets_duration_sum",
Help: "Total amount of time generating validator sets in nanoseconds",
}),
}
errs := wrappers.Errs{Err: err}
apiRequestMetrics, err := metric.NewAPIInterceptor(namespace, registerer)
errs.Add(err)
m.APIInterceptor = apiRequestMetrics
errs.Add(
registerer.Register(m.timeUntilUnstake),
registerer.Register(m.timeUntilSubnetUnstake),
registerer.Register(m.localStake),
registerer.Register(m.totalStake),
registerer.Register(m.numVotesWon),
registerer.Register(m.numVotesLost),
registerer.Register(m.validatorSetsCreated),
registerer.Register(m.validatorSetsCached),
registerer.Register(m.validatorSetsHeightDiff),
registerer.Register(m.validatorSetsDuration),
)
return m, errs.Err
}
type metrics struct {
metric.APIInterceptor
blockMetrics *blockMetrics
timeUntilUnstake prometheus.Gauge
timeUntilSubnetUnstake *prometheus.GaugeVec
localStake prometheus.Gauge
totalStake prometheus.Gauge
numVotesWon, numVotesLost prometheus.Counter
validatorSetsCached prometheus.Counter
validatorSetsCreated prometheus.Counter
validatorSetsHeightDiff prometheus.Gauge
validatorSetsDuration prometheus.Gauge
}
func (m *metrics) MarkOptionVoteWon() {
m.numVotesWon.Inc()
}
func (m *metrics) MarkOptionVoteLost() {
m.numVotesLost.Inc()
}
func (m *metrics) MarkAccepted(b block.Block) error {
return b.Visit(m.blockMetrics)
}
func (m *metrics) IncValidatorSetsCreated() {
m.validatorSetsCreated.Inc()
}
func (m *metrics) IncValidatorSetsCached() {
m.validatorSetsCached.Inc()
}
func (m *metrics) AddValidatorSetsDuration(d time.Duration) {
m.validatorSetsDuration.Add(float64(d))
}
func (m *metrics) AddValidatorSetsHeightDiff(d uint64) {
m.validatorSetsHeightDiff.Add(float64(d))
}
func (m *metrics) SetLocalStake(s uint64) {
m.localStake.Set(float64(s))
}
func (m *metrics) SetTotalStake(s uint64) {
m.totalStake.Set(float64(s))
}
func (m *metrics) SetTimeUntilUnstake(timeUntilUnstake time.Duration) {
m.timeUntilUnstake.Set(float64(timeUntilUnstake))
}
func (m *metrics) SetTimeUntilSubnetUnstake(subnetID ids.ID, timeUntilUnstake time.Duration) {
m.timeUntilSubnetUnstake.WithLabelValues(subnetID.String()).Set(float64(timeUntilUnstake))
}