mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-19 07:01:02 +01:00
126 lines
2.9 KiB
Go
126 lines
2.9 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package version
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import (
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"bytes"
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"fmt"
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"runtime"
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"runtime/debug"
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"strings"
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"text/template"
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)
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// Build information. Populated at build-time.
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var (
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Version string
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Revision string
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Branch string
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BuildUser string
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BuildDate string
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GoVersion = runtime.Version()
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GoOS = runtime.GOOS
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GoArch = runtime.GOARCH
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computedRevision string
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computedTags string
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)
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// versionInfoTmpl contains the template used by Info.
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var versionInfoTmpl = `
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{{.program}}, version {{.version}} (branch: {{.branch}}, revision: {{.revision}})
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build user: {{.buildUser}}
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build date: {{.buildDate}}
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go version: {{.goVersion}}
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platform: {{.platform}}
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tags: {{.tags}}
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`
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// Print returns version information.
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func Print(program string) string {
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m := map[string]string{
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"program": program,
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"version": Version,
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"revision": GetRevision(),
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"branch": Branch,
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"buildUser": BuildUser,
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"buildDate": BuildDate,
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"goVersion": GoVersion,
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"platform": GoOS + "/" + GoArch,
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"tags": GetTags(),
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}
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t := template.Must(template.New("version").Parse(versionInfoTmpl))
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var buf bytes.Buffer
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if err := t.ExecuteTemplate(&buf, "version", m); err != nil {
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panic(err)
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}
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return strings.TrimSpace(buf.String())
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}
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// Info returns version, branch and revision information.
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func Info() string {
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return fmt.Sprintf("(version=%s, branch=%s, revision=%s)", Version, Branch, GetRevision())
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}
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// BuildContext returns goVersion, platform, buildUser and buildDate information.
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func BuildContext() string {
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return fmt.Sprintf("(go=%s, platform=%s, user=%s, date=%s, tags=%s)", GoVersion, GoOS+"/"+GoArch, BuildUser, BuildDate, GetTags())
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}
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func GetRevision() string {
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if Revision != "" {
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return Revision
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}
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return computedRevision
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}
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func GetTags() string {
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return computedTags
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}
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func init() {
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computedRevision, computedTags = computeRevision()
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}
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func computeRevision() (string, string) {
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var (
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rev = "unknown"
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tags = "unknown"
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modified bool
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)
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buildInfo, ok := debug.ReadBuildInfo()
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if !ok {
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return rev, tags
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}
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for _, v := range buildInfo.Settings {
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if v.Key == "vcs.revision" {
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rev = v.Value
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}
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if v.Key == "vcs.modified" {
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if v.Value == "true" {
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modified = true
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}
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}
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if v.Key == "-tags" {
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tags = v.Value
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}
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}
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if modified {
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return rev + "-modified", tags
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}
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return rev, tags
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}
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