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version.go
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version.go
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package version
import (
"github.com/prometheus/client_golang/prometheus"
"k8s.io/apimachinery/pkg/version"
)
var (
// commitFromGit is a constant representing the source version that
// generated this build. It should be set during build via -ldflags.
commitFromGit string
// versionFromGit is a constant representing the version tag that
// generated this build. It should be set during build via -ldflags.
versionFromGit string
// major version
majorFromGit string
// minor version
minorFromGit string
// build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
buildDate string
)
// Get returns the overall codebase version. It's for detecting
// what code a binary was built from.
func Get() version.Info {
return version.Info{
Major: majorFromGit,
Minor: minorFromGit,
GitCommit: commitFromGit,
GitVersion: versionFromGit,
BuildDate: buildDate,
}
}
func init() {
buildInfo := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "openshift_build_info",
Help: "A metric with a constant '1' value labeled by major, minor, git commit & git version from which OpenShift was built.",
},
[]string{"major", "minor", "gitCommit", "gitVersion"},
)
buildInfo.WithLabelValues(majorFromGit, minorFromGit, commitFromGit, versionFromGit).Set(1)
prometheus.MustRegister(buildInfo)
}