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HPA: expose the metrics "metric_computation_duration_seconds" and "metric_computation_total" from HPA controller

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This commit is contained in:
Kensei Nakada
2023-03-07 12:55:41 +00:00
parent e8acfc45ba
commit 543f15d10c
4 changed files with 601 additions and 25 deletions
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13
pkg/controller/podautoscaler/monitor/monitor.go
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@@ -16,7 +16,11 @@ limitations under the License.
package monitor
import "time"
import (
"time"
v2 "k8s.io/api/autoscaling/v2"
)
type ActionLabel string
type ErrorLabel string
@@ -36,6 +40,7 @@ const (
// Monitor records some metrics so that people can monitor HPA controller.
type Monitor interface {
ObserveReconciliationResult(action ActionLabel, err ErrorLabel, duration time.Duration)
ObserveMetricComputationResult(action ActionLabel, err ErrorLabel, duration time.Duration, metricType v2.MetricSourceType)
}
type monitor struct{}
@@ -49,3 +54,9 @@ func (r *monitor) ObserveReconciliationResult(action ActionLabel, err ErrorLabel
reconciliationsTotal.WithLabelValues(string(action), string(err)).Inc()
reconciliationsDuration.WithLabelValues(string(action), string(err)).Observe(duration.Seconds())
}
// ObserveMetricComputationResult observes some metrics from a metric computation result.
func (r *monitor) ObserveMetricComputationResult(action ActionLabel, err ErrorLabel, duration time.Duration, metricType v2.MetricSourceType) {
metricComputationTotal.WithLabelValues(string(action), string(err), string(metricType)).Inc()
metricComputationDuration.WithLabelValues(string(action), string(err), string(metricType)).Observe(duration.Seconds())
}