// readyPods returns the old and new ready counts for their pods.
// If a pod is observed as being ready, it's considered ready even
// if it later becomes notReady.
func (r *RollingUpdater) readyPods(oldRc, newRc *api.ReplicationController, minReadySeconds int32) (int32, int32, error) {
controllers := []*api.ReplicationController{oldRc, newRc}
oldReady := int32(0)
newReady := int32(0)
if r.nowFn == nil {
r.nowFn = func() metav1.Time { return metav1.Now() }
}
for i := range controllers {
controller := controllers[i]
selector := labels.Set(controller.Spec.Selector).AsSelector()
options := api.ListOptions{LabelSelector: selector}
pods, err := r.podClient.Pods(controller.Namespace).List(options)
if err != nil {
return 0, 0, err
}
for _, pod := range pods.Items {
v1Pod := &v1.Pod{}
if err := v1.Convert_api_Pod_To_v1_Pod(&pod, v1Pod, nil); err != nil {
return 0, 0, err
}
if !deploymentutil.IsPodAvailable(v1Pod, minReadySeconds, r.nowFn().Time) {
continue
}
switch controller.Name {
case oldRc.Name:
oldReady++
case newRc.Name:
newReady++
}
}
}
return oldReady, newReady, nil
}
func tryDecodeSinglePod(data []byte, defaultFn defaultFunc) (parsed bool, pod *v1.Pod, err error) {
// JSON is valid YAML, so this should work for everything.
json, err := utilyaml.ToJSON(data)
if err != nil {
return false, nil, err
}
obj, err := runtime.Decode(api.Codecs.UniversalDecoder(), json)
if err != nil {
return false, pod, err
}
// Check whether the object could be converted to single pod.
if _, ok := obj.(*api.Pod); !ok {
err = fmt.Errorf("invalid pod: %#v", obj)
return false, pod, err
}
newPod := obj.(*api.Pod)
// Apply default values and validate the pod.
if err = defaultFn(newPod); err != nil {
return true, pod, err
}
if errs := validation.ValidatePod(newPod); len(errs) > 0 {
err = fmt.Errorf("invalid pod: %v", errs)
return true, pod, err
}
v1Pod := &v1.Pod{}
if err := v1.Convert_api_Pod_To_v1_Pod(newPod, v1Pod, nil); err != nil {
return true, nil, err
}
return true, v1Pod, nil
}
// GetFirstPod returns a pod matching the namespace and label selector
// and the number of all pods that match the label selector.
func GetFirstPod(client coreclient.PodsGetter, namespace string, selector labels.Selector, timeout time.Duration, sortBy func([]*v1.Pod) sort.Interface) (*api.Pod, int, error) {
options := api.ListOptions{LabelSelector: selector}
podList, err := client.Pods(namespace).List(options)
if err != nil {
return nil, 0, err
}
pods := []*v1.Pod{}
for i := range podList.Items {
pod := podList.Items[i]
externalPod := &v1.Pod{}
v1.Convert_api_Pod_To_v1_Pod(&pod, externalPod, nil)
pods = append(pods, externalPod)
}
if len(pods) > 0 {
sort.Sort(sortBy(pods))
internalPod := &api.Pod{}
v1.Convert_v1_Pod_To_api_Pod(pods[0], internalPod, nil)
return internalPod, len(podList.Items), nil
}
// Watch until we observe a pod
options.ResourceVersion = podList.ResourceVersion
w, err := client.Pods(namespace).Watch(options)
if err != nil {
return nil, 0, err
}
defer w.Stop()
condition := func(event watch.Event) (bool, error) {
return event.Type == watch.Added || event.Type == watch.Modified, nil
}
event, err := watch.Until(timeout, w, condition)
if err != nil {
return nil, 0, err
}
pod, ok := event.Object.(*api.Pod)
if !ok {
return nil, 0, fmt.Errorf("%#v is not a pod event", event)
}
return pod, 1, nil
}
func addVersionsToScheme(externalVersions ...unversioned.GroupVersion) {
// add the internal version to Scheme
api.AddToScheme(api.Scheme)
// add the enabled external versions to Scheme
for _, v := range externalVersions {
if !registered.IsEnabledVersion(v) {
glog.Errorf("Version %s is not enabled, so it will not be added to the Scheme.", v)
continue
}
switch v {
case v1.SchemeGroupVersion:
v1.AddToScheme(api.Scheme)
case v1beta3.SchemeGroupVersion:
v1beta3.AddToScheme(api.Scheme)
}
}
// This is a "fast-path" that avoids reflection for common types. It focuses on the objects that are
// converted the most in the cluster.
// TODO: generate one of these for every external API group - this is to prove the impact
api.Scheme.AddGenericConversionFunc(func(objA, objB interface{}, s conversion.Scope) (bool, error) {
switch a := objA.(type) {
case *v1.Pod:
switch b := objB.(type) {
case *api.Pod:
return true, v1.Convert_v1_Pod_To_api_Pod(a, b, s)
}
case *api.Pod:
switch b := objB.(type) {
case *v1.Pod:
return true, v1.Convert_api_Pod_To_v1_Pod(a, b, s)
}
case *v1.Event:
switch b := objB.(type) {
case *api.Event:
return true, v1.Convert_v1_Event_To_api_Event(a, b, s)
}
case *api.Event:
switch b := objB.(type) {
case *v1.Event:
return true, v1.Convert_api_Event_To_v1_Event(a, b, s)
}
case *v1.ReplicationController:
switch b := objB.(type) {
case *api.ReplicationController:
return true, v1.Convert_v1_ReplicationController_To_api_ReplicationController(a, b, s)
}
case *api.ReplicationController:
switch b := objB.(type) {
case *v1.ReplicationController:
return true, v1.Convert_api_ReplicationController_To_v1_ReplicationController(a, b, s)
}
case *v1.Node:
switch b := objB.(type) {
case *api.Node:
return true, v1.Convert_v1_Node_To_api_Node(a, b, s)
}
case *api.Node:
switch b := objB.(type) {
case *v1.Node:
return true, v1.Convert_api_Node_To_v1_Node(a, b, s)
}
case *v1.Namespace:
switch b := objB.(type) {
case *api.Namespace:
return true, v1.Convert_v1_Namespace_To_api_Namespace(a, b, s)
}
case *api.Namespace:
switch b := objB.(type) {
case *v1.Namespace:
return true, v1.Convert_api_Namespace_To_v1_Namespace(a, b, s)
}
case *v1.Service:
switch b := objB.(type) {
case *api.Service:
return true, v1.Convert_v1_Service_To_api_Service(a, b, s)
}
case *api.Service:
switch b := objB.(type) {
case *v1.Service:
return true, v1.Convert_api_Service_To_v1_Service(a, b, s)
}
case *v1.Endpoints:
switch b := objB.(type) {
case *api.Endpoints:
return true, v1.Convert_v1_Endpoints_To_api_Endpoints(a, b, s)
}
case *api.Endpoints:
switch b := objB.(type) {
case *v1.Endpoints:
return true, v1.Convert_api_Endpoints_To_v1_Endpoints(a, b, s)
}
}
return false, nil
})
}
