ipld-eth-server/pkg/prom/prom.go

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package prom
import (
"github.com/jmoiron/sqlx"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
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)
const (
namespace = "ipld_eth_server"
subsystemHTTP = "http"
subsystemWS = "ws"
subsystemIPC = "ipc"
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)
var (
metrics bool
httpCount prometheus.Counter
httpDuration prometheus.Histogram
wsCount prometheus.Counter
wsDuration prometheus.Histogram
ipcCount prometheus.Counter
ipcDuration prometheus.Gauge
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)
// Init module initialization
func Init() {
metrics = true
httpCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: subsystemHTTP,
Name: "count",
Help: "",
})
httpDuration = promauto.NewHistogram(prometheus.HistogramOpts{
Namespace: namespace,
Subsystem: subsystemHTTP,
Name: "duration",
Help: "",
})
wsCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: subsystemWS,
Name: "count",
Help: "",
})
wsDuration = promauto.NewHistogram(prometheus.HistogramOpts{
Namespace: namespace,
Subsystem: subsystemWS,
Name: "duration",
Help: "",
})
ipcCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: subsystemIPC,
Name: "count",
Help: "",
})
ipcDuration = promauto.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: subsystemIPC,
Name: "duration",
Help: "",
})
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}
// RegisterDBCollector create metric colletor for given connection
func RegisterDBCollector(name string, db *sqlx.DB) {
if metrics {
prometheus.Register(NewDBStatsCollector(name, db))
}
}