61 lines
2.2 KiB
Go
61 lines
2.2 KiB
Go
package logmower
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import (
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"context"
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"time"
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prom "github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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mongoEvent "go.mongodb.org/mongo-driver/event"
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mongoOpt "go.mongodb.org/mongo-driver/mongo/options"
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"go.uber.org/zap"
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)
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var (
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promDbHeartbeat = promauto.NewHistogramVec(prom.HistogramOpts{
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Namespace: PrometheusPrefix,
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Subsystem: "database",
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Name: "heartbeat_time",
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Help: "Time in seconds for succeeded heartbeat, or 0 on failure",
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Buckets: []float64{0.1, 0.2, 0.5, 1, 5, 10, 50},
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}, []string{"connection_id"})
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promDbCmd = promauto.NewHistogramVec(prom.HistogramOpts{
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Namespace: PrometheusPrefix,
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Subsystem: "database",
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Name: "operation_latency", // "command_time",
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Help: "Time in seconds of commands",
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Buckets: []float64{0.1, 0.2, 0.5, 1, 5, 10, 50},
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}, []string{"connection_id", "command_name"})
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promDbCmdErr = promauto.NewCounterVec(prom.CounterOpts{
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Namespace: PrometheusPrefix,
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Subsystem: "database",
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Name: "errors",
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Help: "Failed commands (also reflected elsewhere)",
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}, []string{"connection_id", "command_name"})
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)
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func mongoMonitoredClientOptions(l *zap.Logger) *mongoOpt.ClientOptions {
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return mongoOpt.Client().
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SetServerMonitor(&mongoEvent.ServerMonitor{
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ServerHeartbeatSucceeded: func(ev *mongoEvent.ServerHeartbeatSucceededEvent) {
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promDbHeartbeat.WithLabelValues(ev.ConnectionID).Observe(time.Duration(ev.DurationNanos).Seconds())
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},
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ServerHeartbeatFailed: func(ev *mongoEvent.ServerHeartbeatFailedEvent) {
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promDbHeartbeat.WithLabelValues(ev.ConnectionID).Observe(0)
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l.Warn("database heartbeat", zap.Error(ev.Failure), zap.String("connection_id", ev.ConnectionID))
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},
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}).
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SetMonitor(&mongoEvent.CommandMonitor{
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Succeeded: func(_ context.Context, ev *mongoEvent.CommandSucceededEvent) {
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promDbCmd.WithLabelValues(ev.ConnectionID, ev.CommandName).Observe(time.Duration(ev.DurationNanos).Seconds())
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},
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Failed: func(_ context.Context, ev *mongoEvent.CommandFailedEvent) {
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promDbCmd.WithLabelValues(ev.ConnectionID, ev.CommandName).Observe(time.Duration(ev.DurationNanos).Seconds())
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promDbCmdErr.WithLabelValues(ev.ConnectionID, ev.CommandName).Add(1)
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},
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})
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}
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