vouch/services/metrics/prometheus/attestation.go

55 lines
1.9 KiB
Go

// Copyright © 2020 Attestant Limited.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package prometheus
import (
"time"
"github.com/prometheus/client_golang/prometheus"
)
func (s *Service) setupAttestationMetrics() error {
s.attestationProcessTimer =
prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "vouch",
Subsystem: "attestation_process",
Name: "duration_seconds",
Help: "The time vouch spends from starting the attestation process to submitting the attestation.",
Buckets: []float64{
0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0,
1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0,
},
})
if err := prometheus.Register(s.attestationProcessTimer); err != nil {
return err
}
s.attestationProcessRequests = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "vouch",
Subsystem: "attestation_process",
Name: "requests_total",
Help: "The number of attestation processes.",
}, []string{"result"})
return prometheus.Register(s.attestationProcessRequests)
}
// AttestationsCompleted is called when an attestation process has completed.
func (s *Service) AttestationsCompleted(started time.Time, count int, result string) {
duration := time.Since(started).Seconds()
for i := 0; i < count; i++ {
s.attestationProcessTimer.Observe(duration)
}
s.attestationProcessRequests.WithLabelValues(result).Add(float64(count))
}