66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
package storage
|
|
|
|
import "github.com/prometheus/client_golang/prometheus"
|
|
|
|
// namespace is the leading part of all published metrics for the Storage service.
|
|
const namespace = "storage"
|
|
|
|
const retentionSubsystem = "retention" // sub-system associated with metrics for writing points.
|
|
|
|
// retentionMetrics is a set of metrics concerned with tracking data about retention policies.
|
|
type retentionMetrics struct {
|
|
Checks *prometheus.CounterVec
|
|
CheckDuration *prometheus.HistogramVec
|
|
Unprocessable *prometheus.CounterVec
|
|
Series *prometheus.CounterVec
|
|
}
|
|
|
|
func newRetentionMetrics(labels prometheus.Labels) *retentionMetrics {
|
|
var names []string
|
|
for k := range labels {
|
|
names = append(names, k)
|
|
}
|
|
|
|
return &retentionMetrics{
|
|
Checks: prometheus.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: namespace,
|
|
Subsystem: retentionSubsystem,
|
|
Name: "checks_total",
|
|
Help: "Number of retention check operations performed.",
|
|
}, names),
|
|
|
|
CheckDuration: prometheus.NewHistogramVec(prometheus.HistogramOpts{
|
|
Namespace: namespace,
|
|
Subsystem: retentionSubsystem,
|
|
Name: "check_duration_seconds",
|
|
Help: "Time taken to perform a successful retention check.",
|
|
// 25 buckets spaced exponentially between 10s and ~2h
|
|
Buckets: prometheus.ExponentialBuckets(10, 1.32, 25),
|
|
}, names),
|
|
|
|
Unprocessable: prometheus.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: namespace,
|
|
Subsystem: retentionSubsystem,
|
|
Name: "unprocessable_buckets_total",
|
|
Help: "Number of buckets that could not be operated on.",
|
|
}, names),
|
|
|
|
Series: prometheus.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: namespace,
|
|
Subsystem: retentionSubsystem,
|
|
Name: "series_total",
|
|
Help: "Number of series that a delete was applied to.",
|
|
}, names),
|
|
}
|
|
}
|
|
|
|
// PrometheusCollectors satisfies the prom.PrometheusCollector interface.
|
|
func (rm *retentionMetrics) PrometheusCollectors() []prometheus.Collector {
|
|
return []prometheus.Collector{
|
|
rm.Checks,
|
|
rm.CheckDuration,
|
|
rm.Unprocessable,
|
|
rm.Series,
|
|
}
|
|
}
|