Golang Pod.Namespace方法代码示例

func applyDefaults(pod *api.Pod, source string, isFile bool, nodeName string) error {
	if len(pod.UID) == 0 {
		hasher := md5.New()
		if isFile {
			fmt.Fprintf(hasher, "host:%s", nodeName)
			fmt.Fprintf(hasher, "file:%s", source)
		} else {
			fmt.Fprintf(hasher, "url:%s", source)
		}
		util.DeepHashObject(hasher, pod)
		pod.UID = types.UID(hex.EncodeToString(hasher.Sum(nil)[0:]))
		glog.V(5).Infof("Generated UID %q pod %q from %s", pod.UID, pod.Name, source)
	}

	// This is required for backward compatibility, and should be removed once we
	// completely deprecate ContainerManifest.
	if len(pod.Name) == 0 {
		pod.Name = string(pod.UID)
	}
	pod.Name = generatePodName(pod.Name, nodeName)
	glog.V(5).Infof("Generated Name %q for UID %q from URL %s", pod.Name, pod.UID, source)

	if pod.Namespace == "" {
		pod.Namespace = kubelet.NamespaceDefault
	}
	glog.V(5).Infof("Using namespace %q for pod %q from %s", pod.Namespace, pod.Name, source)

	// Set the Host field to indicate this pod is scheduled on the current node.
	pod.Spec.NodeName = nodeName

	pod.ObjectMeta.SelfLink = getSelfLink(pod.Name, pod.Namespace)
	return nil
}

func applyDefaults(pod *api.Pod, url string) error {
	if len(pod.UID) == 0 {
		hasher := md5.New()
		fmt.Fprintf(hasher, "url:%s", url)
		util.DeepHashObject(hasher, pod)
		pod.UID = types.UID(hex.EncodeToString(hasher.Sum(nil)[0:]))
		glog.V(5).Infof("Generated UID %q for pod %q from URL %s", pod.UID, pod.Name, url)
	}
	// This is required for backward compatibility, and should be removed once we
	// completely deprecate ContainerManifest.
	var err error
	if len(pod.Name) == 0 {
		pod.Name = string(pod.UID)
	}
	pod.Name, err = GeneratePodName(pod.Name)
	if err != nil {
		return err
	}
	glog.V(5).Infof("Generated Name %q for UID %q from URL %s", pod.Name, pod.UID, url)

	// Always overrides the namespace.
	pod.Namespace = kubelet.NamespaceDefault
	glog.V(5).Infof("Using namespace %q for pod %q from URL %s", pod.Namespace, pod.Name, url)
	return nil
}

// ToAPIPod converts Pod to api.Pod. Note that if a field in api.Pod has no
// corresponding field in Pod, the field would not be populated.
func (p *Pod) ToAPIPod() *api.Pod {
	var pod api.Pod
	pod.UID = p.ID
	pod.Name = p.Name
	pod.Namespace = p.Namespace
	pod.Status = p.Status

	for _, c := range p.Containers {
		var container api.Container
		container.Name = c.Name
		container.Image = c.Image
		pod.Spec.Containers = append(pod.Spec.Containers, container)
	}
	return &pod
}

func extractFromFile(filename string) (api.Pod, error) {
	var pod api.Pod

	glog.V(3).Infof("Reading config file %q", filename)
	file, err := os.Open(filename)
	if err != nil {
		return pod, err
	}
	defer file.Close()

	data, err := ioutil.ReadAll(file)
	if err != nil {
		return pod, err
	}

	// TODO: use api.Scheme.DecodeInto
	// This is awful.  DecodeInto() expects to find an APIObject, which
	// Manifest is not.  We keep reading manifest for now for compat, but
	// we will eventually change it to read Pod (at which point this all
	// becomes nicer).  Until then, we assert that the ContainerManifest
	// structure on disk is always v1beta1.  Read that, convert it to a
	// "current" ContainerManifest (should be ~identical), then convert
	// that to a Pod (which is a well-understood conversion).  This
	// avoids writing a v1beta1.ContainerManifest -> api.Pod
	// conversion which would be identical to the api.ContainerManifest ->
	// api.Pod conversion.
	oldManifest := &v1beta1.ContainerManifest{}
	if err := yaml.Unmarshal(data, oldManifest); err != nil {
		return pod, fmt.Errorf("can't unmarshal file %q: %v", filename, err)
	}
	newManifest := &api.ContainerManifest{}
	if err := api.Scheme.Convert(oldManifest, newManifest); err != nil {
		return pod, fmt.Errorf("can't convert pod from file %q: %v", filename, err)
	}
	if err := api.Scheme.Convert(newManifest, &pod); err != nil {
		return pod, fmt.Errorf("can't convert pod from file %q: %v", filename, err)
	}

	hostname, err := os.Hostname() //TODO: kubelet name would be better
	if err != nil {
		return pod, err
	}
	hostname = strings.ToLower(hostname)

	if len(pod.UID) == 0 {
		hasher := md5.New()
		fmt.Fprintf(hasher, "host:%s", hostname)
		fmt.Fprintf(hasher, "file:%s", filename)
		util.DeepHashObject(hasher, pod)
		pod.UID = types.UID(hex.EncodeToString(hasher.Sum(nil)[0:]))
		glog.V(5).Infof("Generated UID %q for pod %q from file %s", pod.UID, pod.Name, filename)
	}
	// This is required for backward compatibility, and should be removed once we
	// completely deprecate ContainerManifest.
	if len(pod.Name) == 0 {
		pod.Name = string(pod.UID)
	}
	if pod.Name, err = GeneratePodName(pod.Name); err != nil {
		return pod, err
	}
	glog.V(5).Infof("Generated Name %q for UID %q from file %s", pod.Name, pod.UID, filename)

	// Always overrides the namespace provided by the file.
	pod.Namespace = kubelet.NamespaceDefault
	glog.V(5).Infof("Using namespace %q for pod %q from file %s", pod.Namespace, pod.Name, filename)

	// TODO(dchen1107): BoundPod is not type of runtime.Object. Once we allow kubelet talks
	// about Pod directly, we can use SelfLinker defined in package: latest
	// Currently just simply follow the same format in resthandler.go
	pod.ObjectMeta.SelfLink = fmt.Sprintf("/api/v1beta2/pods/%s?namespace=%s",
		pod.Name, pod.Namespace)

	if glog.V(4) {
		glog.Infof("Got pod from file %q: %#v", filename, pod)
	} else {
		glog.V(5).Infof("Got pod from file %q: %s.%s (%s)", filename, pod.Namespace, pod.Name, pod.UID)
	}
	return pod, nil
}