Merge pull request #62214 from soltysh/remove_factory_duplication

Automatic merge from submit-queue (batch tested with PRs 62208, 62114, 62144, 60460, 62214). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Get namespace and selectors for attach and logs in a common function

**Special notes for your reviewer**:
I've squashed the two places we need to update to be able to get selector and namespace for resource when getting logs or attaching to it. 

/assign @juanvallejo @deads2k 

**Release note**:
```release-note
NONE
```
pull/8/head
Kubernetes Submit Queue 2018-04-06 17:06:20 -07:00 committed by GitHub
commit ee8c6d99b6
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1 changed files with 64 additions and 91 deletions

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@ -224,55 +224,15 @@ func (f *ring1Factory) LogsForObject(object, options runtime.Object, timeout tim
return nil, errors.New("provided options object is not a PodLogOptions")
}
var selector labels.Selector
var namespace string
switch t := object.(type) {
case *api.Pod:
return clientset.Core().Pods(t.Namespace).GetLogs(t.Name, opts), nil
case *api.ReplicationController:
namespace = t.Namespace
selector = labels.SelectorFromSet(t.Spec.Selector)
case *extensions.ReplicaSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.Deployment:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.DaemonSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *batch.Job:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *apps.StatefulSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
default:
return nil, fmt.Errorf("cannot get the logs from %T", object)
}
namespace, selector, err := selectorsForObject(object)
if err != nil {
return nil, fmt.Errorf("cannot get the logs from %T: %v", object, err)
}
sortBy := func(pods []*v1.Pod) sort.Interface { return controller.ByLogging(pods) }
pod, numPods, err := GetFirstPod(clientset.Core(), namespace, selector.String(), timeout, sortBy)
if err != nil {
@ -284,6 +244,61 @@ func (f *ring1Factory) LogsForObject(object, options runtime.Object, timeout tim
return clientset.Core().Pods(pod.Namespace).GetLogs(pod.Name, opts), nil
}
func selectorsForObject(object runtime.Object) (namespace string, selector labels.Selector, err error) {
switch t := object.(type) {
case *extensions.ReplicaSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return "", nil, fmt.Errorf("invalid label selector: %v", err)
}
case *api.ReplicationController:
namespace = t.Namespace
selector = labels.SelectorFromSet(t.Spec.Selector)
case *apps.StatefulSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return "", nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.DaemonSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return "", nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.Deployment:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return "", nil, fmt.Errorf("invalid label selector: %v", err)
}
case *batch.Job:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return "", nil, fmt.Errorf("invalid label selector: %v", err)
}
case *api.Service:
namespace = t.Namespace
if t.Spec.Selector == nil || len(t.Spec.Selector) == 0 {
return "", nil, fmt.Errorf("invalid service '%s': Service is defined without a selector", t.Name)
}
selector = labels.SelectorFromSet(t.Spec.Selector)
default:
return "", nil, fmt.Errorf("selector for %T not implemented", object)
}
return namespace, selector, nil
}
func (f *ring1Factory) HistoryViewer(mapping *meta.RESTMapping) (kubectl.HistoryViewer, error) {
external, err := f.clientAccessFactory.KubernetesClientSet()
if err != nil {
@ -335,58 +350,16 @@ func (f *ring1Factory) AttachablePodForObject(object runtime.Object, timeout tim
if err != nil {
return nil, err
}
var selector labels.Selector
var namespace string
switch t := object.(type) {
case *extensions.ReplicaSet:
namespace = t.Namespace
selector = labels.SelectorFromSet(t.Spec.Selector.MatchLabels)
case *api.ReplicationController:
namespace = t.Namespace
selector = labels.SelectorFromSet(t.Spec.Selector)
case *apps.StatefulSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.DaemonSet:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *extensions.Deployment:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *batch.Job:
namespace = t.Namespace
selector, err = metav1.LabelSelectorAsSelector(t.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
case *api.Service:
namespace = t.Namespace
if t.Spec.Selector == nil || len(t.Spec.Selector) == 0 {
return nil, fmt.Errorf("invalid service '%s': Service is defined without a selector", t.Name)
}
selector = labels.SelectorFromSet(t.Spec.Selector)
case *api.Pod:
return t, nil
default:
return nil, fmt.Errorf("cannot attach to %T: not implemented", object)
}
namespace, selector, err := selectorsForObject(object)
if err != nil {
return nil, fmt.Errorf("cannot attach to %T: %v", object, err)
}
sortBy := func(pods []*v1.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) }
pod, _, err := GetFirstPod(clientset.Core(), namespace, selector.String(), timeout, sortBy)
return pod, err