frostfs-node/pkg/metrics/node.go
Dmitrii Stepanov 2ce43935f9 [#312] metrics: Add writecache metrcis
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2023-05-24 10:18:39 +00:00

62 lines
1.3 KiB
Go

package metrics
import "github.com/prometheus/client_golang/prometheus"
const namespace = "frostfs_node"
type NodeMetrics struct {
objectServiceMetrics
engineMetrics
stateMetrics
replicatorMetrics
epoch metric[prometheus.Gauge]
writeCacheMetrics *writeCacheMetrics
}
func NewNodeMetrics() *NodeMetrics {
objectService := newObjectServiceMetrics()
objectService.register()
engine := newEngineMetrics()
engine.register()
state := newStateMetrics()
state.register()
replicator := newReplicatorMetrics()
replicator.register()
epoch := newGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: innerRingSubsystem,
Name: "epoch",
Help: "Current epoch as seen by inner-ring node.",
})
mustRegister(epoch)
writeCacheMetrics := newWriteCacheMetrics()
writeCacheMetrics.register()
return &NodeMetrics{
objectServiceMetrics: objectService,
engineMetrics: engine,
stateMetrics: state,
replicatorMetrics: replicator,
epoch: epoch,
writeCacheMetrics: writeCacheMetrics,
}
}
// SetEpoch updates epoch metric.
func (m *NodeMetrics) SetEpoch(epoch uint64) {
m.epoch.value.Set(float64(epoch))
}
// WriteCache returns WriteCache metrics.
func (m *NodeMetrics) WriteCache() WriteCacheMetrics {
if m == nil {
return nil
}
return m.writeCacheMetrics
}