plugeth-statediff/metrics.go

109 lines
4.1 KiB
Go

// VulcanizeDB
// Copyright © 2021 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 statediff
import (
"strings"
"github.com/ethereum/go-ethereum/metrics"
)
const (
namespace = "statediff"
)
var defaultStatediffMetrics = RegisterStatediffMetrics(metrics.DefaultRegistry)
// Build a fully qualified metric name
func metricName(subsystem, name string) string {
if name == "" {
return ""
}
parts := []string{namespace, name}
if subsystem != "" {
parts = []string{namespace, subsystem, name}
}
// Prometheus uses _ but geth metrics uses / and replaces
return strings.Join(parts, "/")
}
type statediffMetricsHandles struct {
// Height of latest synced by core.BlockChain
// FIXME
lastSyncHeight metrics.Gauge
// Height of the latest block received from chainEvent channel
lastEventHeight metrics.Gauge
// Height of latest state diff
lastStatediffHeight metrics.Gauge
// Current length of chainEvent channels
serviceLoopChannelLen metrics.Gauge
writeLoopChannelLen metrics.Gauge
// The start block of the known gap
knownGapStart metrics.Gauge
// The end block of the known gap
knownGapEnd metrics.Gauge
// A known gaps start block which had an error being written to the DB
knownGapErrorStart metrics.Gauge
// A known gaps end block which had an error being written to the DB
knownGapErrorEnd metrics.Gauge
apiRequests metrics.Counter
apiRequestsUnderway metrics.Counter
failed metrics.Counter
succeeded metrics.Counter
underway metrics.Counter
totalProcessingTime metrics.Gauge
}
func RegisterStatediffMetrics(reg metrics.Registry) statediffMetricsHandles {
ctx := statediffMetricsHandles{
lastSyncHeight: metrics.NewGauge(),
lastEventHeight: metrics.NewGauge(),
lastStatediffHeight: metrics.NewGauge(),
serviceLoopChannelLen: metrics.NewGauge(),
writeLoopChannelLen: metrics.NewGauge(),
knownGapStart: metrics.NewGauge(),
knownGapEnd: metrics.NewGauge(),
knownGapErrorStart: metrics.NewGauge(),
knownGapErrorEnd: metrics.NewGauge(),
apiRequests: metrics.NewCounter(),
apiRequestsUnderway: metrics.NewCounter(),
failed: metrics.NewCounter(),
succeeded: metrics.NewCounter(),
underway: metrics.NewCounter(),
totalProcessingTime: metrics.NewGauge(),
}
subsys := "service"
reg.Register(metricName(subsys, "last_sync_height"), ctx.lastSyncHeight)
reg.Register(metricName(subsys, "last_event_height"), ctx.lastEventHeight)
reg.Register(metricName(subsys, "last_statediff_height"), ctx.lastStatediffHeight)
reg.Register(metricName(subsys, "service_loop_channel_len"), ctx.serviceLoopChannelLen)
reg.Register(metricName(subsys, "write_loop_channel_len"), ctx.writeLoopChannelLen)
reg.Register(metricName(subsys, "known_gaps_start"), ctx.knownGapStart)
reg.Register(metricName(subsys, "known_gaps_end"), ctx.knownGapEnd)
reg.Register(metricName(subsys, "known_gaps_error_start"), ctx.knownGapErrorStart)
reg.Register(metricName(subsys, "known_gaps_error_end"), ctx.knownGapErrorEnd)
reg.Register(metricName(subsys, "api_requests"), ctx.apiRequests)
reg.Register(metricName(subsys, "api_requests_underway"), ctx.apiRequestsUnderway)
reg.Register(metricName(subsys, "failed"), ctx.failed)
reg.Register(metricName(subsys, "succeeded"), ctx.succeeded)
reg.Register(metricName(subsys, "underway"), ctx.underway)
reg.Register(metricName(subsys, "total_processing_time"), ctx.totalProcessingTime)
return ctx
}