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node-feature-discovery/pkg/nfd-topology-updater/metrics.go
Markus Lehtonen 5171ae0f90 Refactor metrics
Move common boilerplate code under pkg/utils.
2023-10-09 10:49:12 +03:00

47 lines
1.4 KiB
Go

/*
Copyright 2023 The Kubernetes Authors.
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 nfdtopologyupdater
import (
"github.com/prometheus/client_golang/prometheus"
"sigs.k8s.io/node-feature-discovery/pkg/version"
)
// When adding metric names, see https://prometheus.io/docs/practices/naming/#metric-names
const (
buildInfoQuery = "nfd_topology_updater_build_info"
scanErrorsQuery = "nfd_topology_updater_scan_errors_total"
)
var (
buildInfo = prometheus.NewGauge(prometheus.GaugeOpts{
Name: buildInfoQuery,
Help: "Version from which Node Feature Discovery was built.",
ConstLabels: map[string]string{
"version": version.Get(),
},
})
scanErrors = prometheus.NewCounter(prometheus.CounterOpts{
Name: scanErrorsQuery,
Help: "Number of errors in scanning resource allocation of pods.",
})
)
// registerVersion exposes the Operator build version.
func registerVersion(version string) {
buildInfo.SetToCurrentTime()
}