ipld-eth-state-snapshot/pkg/prom/prom.go
Thomas E Lackey 768357293c
Add progress counter to prometheus output (#76)
* Add a progress counter by checking the distance already traversed from the startPath to endPath in a bounded iterator vs the estimated number of iterations.
2023-05-23 11:23:58 -05:00

128 lines
3.1 KiB
Go

// VulcanizeDB
// Copyright © 2022 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package prom
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
const (
namespace = "ipld_eth_state_snapshot"
connSubsystem = "connections"
statsSubsystem = "stats"
)
var (
metrics bool
stateNodeCount prometheus.Counter
storageNodeCount prometheus.Counter
codeNodeCount prometheus.Counter
activeIteratorCount prometheus.Gauge
)
func Init() {
metrics = true
stateNodeCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: statsSubsystem,
Name: "state_node_count",
Help: "Number of state nodes processed",
})
storageNodeCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: statsSubsystem,
Name: "storage_node_count",
Help: "Number of storage nodes processed",
})
codeNodeCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: statsSubsystem,
Name: "code_node_count",
Help: "Number of code nodes processed",
})
activeIteratorCount = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: statsSubsystem,
Name: "active_iterator_count",
Help: "Number of active iterators",
})
}
func RegisterGaugeFunc(name string, function func() float64) {
promauto.NewGaugeFunc(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: statsSubsystem,
Name: name,
Help: name,
}, function)
}
// RegisterDBCollector create metric collector for given connection
func RegisterDBCollector(name string, db DBStatsGetter) {
if metrics {
prometheus.Register(NewDBStatsCollector(name, db))
}
}
// IncStateNodeCount increments the number of state nodes processed
func IncStateNodeCount() {
if metrics {
stateNodeCount.Inc()
}
}
// IncStorageNodeCount increments the number of storage nodes processed
func IncStorageNodeCount() {
if metrics {
storageNodeCount.Inc()
}
}
// IncCodeNodeCount increments the number of code nodes processed
func IncCodeNodeCount() {
if metrics {
codeNodeCount.Inc()
}
}
// IncActiveIterCount increments the number of active iterators
func IncActiveIterCount() {
if metrics {
activeIteratorCount.Inc()
}
}
// DecActiveIterCount decrements the number of active iterators
func DecActiveIterCount() {
if metrics {
activeIteratorCount.Dec()
}
}
func Enabled() bool {
return metrics
}