// PrintAndExitIfRequested will check if the -version flag was passed
// and, if so, print the version and exit.
func PrintAndExitIfRequested() {
if *versionFlag == VersionRaw {
fmt.Printf("%#v\n", version.Get())
os.Exit(0)
} else if *versionFlag == VersionTrue {
fmt.Printf("Kubernetes %s\n", version.Get())
os.Exit(0)
}
}
// DefaultKubernetesUserAgent returns the default user agent that clients can use.
func DefaultKubernetesUserAgent() string {
commit := version.Get().GitCommit
if len(commit) > 7 {
commit = commit[:7]
}
if len(commit) == 0 {
commit = "unknown"
}
version := version.Get().GitVersion
seg := strings.SplitN(version, "-", 2)
version = seg[0]
return fmt.Sprintf("%s/%s (%s/%s) kubernetes/%s", path.Base(os.Args[0]), version, gruntime.GOOS, gruntime.GOARCH, commit)
}
func (c *Fake) ServerVersion() (*version.Info, error) {
action := ActionImpl{}
action.Verb = "get"
action.Resource = "version"
c.Invokes(action, nil)
versionInfo := version.Get()
return &versionInfo, nil
}
// MatchesServerVersion queries the server to compares the build version
// (git hash) of the client with the server's build version. It returns an error
// if it failed to contact the server or if the versions are not an exact match.
func MatchesServerVersion(client *Client, c *Config) error {
var err error
if client == nil {
client, err = New(c)
if err != nil {
return err
}
}
clientVersion := version.Get()
serverVersion, err := client.ServerVersion()
if err != nil {
return fmt.Errorf("couldn't read version from server: %v\n", err)
}
if s := *serverVersion; !reflect.DeepEqual(clientVersion, s) {
return fmt.Errorf("server version (%#v) differs from client version (%#v)!\n", s, clientVersion)
}
return nil
}
func TestClient(t *testing.T) {
_, s := framework.RunAMaster(t)
defer s.Close()
ns := api.NamespaceDefault
framework.DeleteAllEtcdKeys()
client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
info, err := client.ServerVersion()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := version.Get(), *info; !reflect.DeepEqual(e, a) {
t.Errorf("expected %#v, got %#v", e, a)
}
pods, err := client.Pods(ns).List(labels.Everything(), fields.Everything())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(pods.Items) != 0 {
t.Errorf("expected no pods, got %#v", pods)
}
// get a validation error
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
GenerateName: "test",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "test",
},
},
},
}
got, err := client.Pods(ns).Create(pod)
if err == nil {
t.Fatalf("unexpected non-error: %v", got)
}
// get a created pod
pod.Spec.Containers[0].Image = "an-image"
got, err = client.Pods(ns).Create(pod)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got.Name == "" {
t.Errorf("unexpected empty pod Name %v", got)
}
// pod is shown, but not scheduled
pods, err = client.Pods(ns).List(labels.Everything(), fields.Everything())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(pods.Items) != 1 {
t.Errorf("expected one pod, got %#v", pods)
}
actual := pods.Items[0]
if actual.Name != got.Name {
t.Errorf("expected pod %#v, got %#v", got, actual)
}
if actual.Spec.NodeName != "" {
t.Errorf("expected pod to be unscheduled, got %#v", actual)
}
}
// handleVersion writes the server's version information.
func handleVersion(req *restful.Request, resp *restful.Response) {
// TODO: use restful's Response methods
writeRawJSON(http.StatusOK, version.Get(), resp.ResponseWriter)
}
func GetClientVersion(w io.Writer) {
fmt.Fprintf(w, "Client Version: %#v\n", version.Get())
}