mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 21:31:18 +01:00
101 lines
3.3 KiB
Go
101 lines
3.3 KiB
Go
/*
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Copyright 2017 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package version
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import (
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"fmt"
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"regexp"
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"runtime"
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"strings"
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)
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var (
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// version is a constant representing the version tag that
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// generated this build. It should be set during build via -ldflags.
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version string
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// buildDate in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
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// It should be set during build via -ldflags.
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buildDate string
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// gitbranch is a constant representing git branch for this build.
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// It should be set during build via -ldflags.
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gitbranch string
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// gitbranch is a constant representing git sha1 for this build.
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// It should be set during build via -ldflags.
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gitsha1 string
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)
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// Info holds the information related to descheduler app version.
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type Info struct {
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Major string `json:"major"`
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Minor string `json:"minor"`
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GitVersion string `json:"gitVersion"`
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GitBranch string `json:"gitBranch"`
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GitSha1 string `json:"gitSha1"`
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BuildDate string `json:"buildDate"`
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GoVersion string `json:"goVersion"`
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Compiler string `json:"compiler"`
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Platform string `json:"platform"`
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}
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// Get returns the overall codebase version. It's for detecting
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// what code a binary was built from.
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func Get() Info {
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majorVersion, minorVersion := splitVersion(version)
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return Info{
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Major: majorVersion,
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Minor: minorVersion,
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GitVersion: version,
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GitBranch: gitbranch,
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GitSha1: gitsha1,
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BuildDate: buildDate,
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GoVersion: runtime.Version(),
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Compiler: runtime.Compiler,
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Platform: fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
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}
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}
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// splitVersion splits the git version to generate major and minor versions needed.
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func splitVersion(version string) (string, string) {
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if version == "" {
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return "", ""
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}
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// Version from an automated container build environment for a tag. For example v20200521-v0.18.0.
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m1, _ := regexp.MatchString(`^v\d{8}-v\d+\.\d+\.\d+$`, version)
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// Version from an automated container build environment(not a tag) or a local build. For example v20201009-v0.18.0-46-g939c1c0.
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m2, _ := regexp.MatchString(`^v\d{8}-v\d+\.\d+\.\d+-\w+-\w+$`, version)
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// Version tagged by helm chart releaser action
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helm, _ := regexp.MatchString(`^v\d{8}-descheduler-helm-chart-\d+\.\d+\.\d+$`, version)
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// Dirty version where helm chart is the last known tag
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helm2, _ := regexp.MatchString(`^v\d{8}-descheduler-helm-chart-\d+\.\d+\.\d+-\w+-\w+$`, version)
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if m1 || m2 {
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semVer := strings.Split(version, "-")[1]
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return strings.Trim(strings.Split(semVer, ".")[0], "v"), strings.Split(semVer, ".")[1] + "." + strings.Split(semVer, ".")[2]
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}
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if helm || helm2 {
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semVer := strings.Split(version, "-")[4]
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return strings.Split(semVer, ".")[0], strings.Split(semVer, ".")[1] + "." + strings.Split(semVer, ".")[2]
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}
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// Something went wrong
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return "", ""
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}
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