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topology-updater: make -version always runnable

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Make it possible to run -version in an environment whithout the
NODE_ADDRESS environment variable set.
This commit is contained in:
Markus Lehtonen 2023-08-07 11:56:58 +03:00
parent 9ed191808d
commit 5ba8d14b86
1 changed files with 6 additions and 7 deletions
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13
cmd/nfd-topology-updater/main.go
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@ -43,15 +43,8 @@ var DefaultKubeletStateDir = path.Join(string(hostpath.VarDir), "lib", "kubelet"
func main() {
flags := flag.NewFlagSet(ProgramName, flag.ExitOnError)
printVersion := flags.Bool("version", false, "Print version and exit.")
args, resourcemonitorArgs := parseArgs(flags, os.Args[1:]...)
if *printVersion {
fmt.Println(ProgramName, version.Get())
os.Exit(0)
}
// Assert that the version is known
if version.Undefined() {
klog.InfoS("version not set! Set -ldflags \"-X sigs.k8s.io/node-feature-discovery/pkg/version.version=`git describe --tags --dirty --always`\" during build or run.")
@ -75,6 +68,7 @@ func main() {
func parseArgs(flags *flag.FlagSet, osArgs ...string) (*topology.Args, *resourcemonitor.Args) {
args, resourcemonitorArgs := initFlags(flags)
printVersion := flags.Bool("version", false, "Print version and exit.")
_ = flags.Parse(osArgs)
if len(flags.Args()) > 0 {
@ -83,6 +77,11 @@ func parseArgs(flags *flag.FlagSet, osArgs ...string) (*topology.Args, *resource
os.Exit(2)
}
if *printVersion {
fmt.Println(ProgramName, version.Get())
os.Exit(0)
}
if len(resourcemonitorArgs.KubeletConfigURI) == 0 {
nodeAddress := os.Getenv("NODE_ADDRESS")
if len(nodeAddress) == 0 {