52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
// Copyright 2015 The Prometheus 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 collector
|
|
|
|
import (
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
var (
|
|
Version string
|
|
Revision string
|
|
Branch string
|
|
)
|
|
|
|
type versionCollector struct {
|
|
metric *prometheus.GaugeVec
|
|
}
|
|
|
|
func init() {
|
|
Factories["version"] = NewVersionCollector
|
|
}
|
|
|
|
func NewVersionCollector() (Collector, error) {
|
|
metric := prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Name: "node_exporter_build_info",
|
|
Help: "A metric with a constant '1' value labeled by version, revision, and branch from which the node_exporter was built.",
|
|
},
|
|
[]string{"version", "revision", "branch"},
|
|
)
|
|
metric.WithLabelValues(Version, Revision, Branch).Set(1)
|
|
return &versionCollector{
|
|
metric: metric,
|
|
}, nil
|
|
}
|
|
|
|
func (c *versionCollector) Update(ch chan<- prometheus.Metric) (err error) {
|
|
c.metric.Collect(ch)
|
|
return err
|
|
}
|