fluid/version.go

90 lines
2.4 KiB
Go

package fluid
import (
"fmt"
"log"
"runtime"
)
type Version struct {
Version string
BuildDate string
GitCommit string
GitTag string
GitTreeState string
GoVersion string
Compiler string
Platform string
}
var (
version = "0.0.0" // value from VERSION file
buildDate = "1970-01-01T00:00:00Z" // output from `date -u +'%Y-%m-%dT%H:%M:%SZ'`
gitCommit = "" // output from `git rev-parse HEAD`
gitTag = "" // output from `git describe --exact-match --tags HEAD` (if clean tree state)
gitTreeState = "" // determined from `git status --porcelain`. either 'clean' or 'dirty'
)
func getVersion() Version {
var versionStr string
if gitCommit != "" && gitTag != "" && gitTreeState == "clean" {
// if we have a clean tree state and the current commit is tagged,
// this is an official release.
versionStr = gitTag
} else {
// otherwise formulate a queryversion string based on as much metadata
// information we have available.
versionStr = version
if len(gitCommit) >= 7 {
versionStr += "+" + gitCommit[0:7]
if gitTreeState != "clean" {
versionStr += ".dirty"
}
} else {
versionStr += "+unknown"
}
}
return Version{
Version: versionStr,
BuildDate: buildDate,
GitCommit: gitCommit,
GitTag: gitTag,
GitTreeState: gitTreeState,
GoVersion: runtime.Version(),
Compiler: runtime.Compiler,
Platform: fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
}
}
// PrintVersion info directly by command
func PrintVersion(short bool) {
v := getVersion()
if short {
fmt.Printf("version: %s\n", v.Version)
return
}
fmt.Printf(" BuildDate: %s\n", v.BuildDate)
fmt.Printf(" GitCommit: %s\n", v.GitCommit)
fmt.Printf(" GitTreeState: %s\n", v.GitTreeState)
if v.GitTag != "" {
fmt.Printf(" GitTag: %s\n", v.GitTag)
}
fmt.Printf(" GoVersion: %s\n", v.GoVersion)
fmt.Printf(" Compiler: %s\n", v.Compiler)
fmt.Printf(" Platform: %s\n", v.Platform)
}
// LogVersion info in log when start
func LogVersion() {
v := getVersion()
log.Printf("BuildDate: %s\n", v.BuildDate)
log.Printf("GitCommit: %s\n", v.GitCommit)
log.Printf("GitTreeState: %s\n", v.GitTreeState)
if v.GitTag != "" {
log.Printf("GitTag: %s\n", v.GitTag)
}
log.Printf("GoVersion: %s\n", v.GoVersion)
log.Printf("Compiler: %s\n", v.Compiler)
log.Printf("Platform: %s\n", v.Platform)
}