func MustParse(gitversion string) semver.Version {
v, err := Parse(gitversion)
if err != nil {
glog.Fatalf("failed to parse semver from gitversion %q: %v", gitversion, err)
}
return v
}
func GetHostname(hostnameOverride string) string {
hostname := hostnameOverride
if string(hostname) == "" {
nodename, err := exec.Command("uname", "-n").Output()
if err != nil {
glog.Fatalf("Couldn't determine hostname: %v", err)
}
hostname = string(nodename)
}
return strings.ToLower(strings.TrimSpace(hostname))
}
func init() {
// Env var KUBE_API_VERSIONS is a comma separated list of API versions that
// should be registered in the scheme.
kubeAPIVersions := os.Getenv("KUBE_API_VERSIONS")
if len(kubeAPIVersions) != 0 {
for _, version := range strings.Split(kubeAPIVersions, ",") {
gv, err := unversioned.ParseGroupVersion(version)
if err != nil {
glog.Fatalf("invalid api version: %s in KUBE_API_VERSIONS: %s.",
version, os.Getenv("KUBE_API_VERSIONS"))
}
envRequestedVersions[gv] = struct{}{}
}
}
}