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Versioning the field selectors

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This commit is contained in:
nikhiljindal
2015-02-17 22:16:31 -08:00
parent 0d23875c99
commit 48e7945f65
13 changed files with 224 additions and 56 deletions
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14
plugin/pkg/scheduler/factory/factory.go
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@@ -143,7 +143,7 @@ func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys util.StringSe
// createUnassignedPodLW returns a cache.ListWatch that finds all pods that need to be
// scheduled.
func (factory *ConfigFactory) createUnassignedPodLW() *cache.ListWatch {
return cache.NewListWatchFromClient(factory.Client, "pods", api.NamespaceAll, labels.Set{"DesiredState.Host": ""}.AsSelector())
return cache.NewListWatchFromClient(factory.Client, "pods", api.NamespaceAll, labels.Set{getHostFieldLabel(factory.Client.APIVersion()): ""}.AsSelector())
}
func parseSelectorOrDie(s string) labels.Selector {
@@ -158,7 +158,8 @@ func parseSelectorOrDie(s string) labels.Selector {
// already scheduled.
// TODO: return a ListerWatcher interface instead?
func (factory *ConfigFactory) createAssignedPodLW() *cache.ListWatch {
return cache.NewListWatchFromClient(factory.Client, "pods", api.NamespaceAll, parseSelectorOrDie("DesiredState.Host!="))
return cache.NewListWatchFromClient(factory.Client, "pods", api.NamespaceAll,
parseSelectorOrDie(getHostFieldLabel(factory.Client.APIVersion())+"!="))
}
// createMinionLW returns a cache.ListWatch that gets all changes to minions.
@@ -231,6 +232,15 @@ func (factory *ConfigFactory) makeDefaultErrorFunc(backoff *podBackoff, podQueue
}
}
func getHostFieldLabel(apiVersion string) string {
switch apiVersion {
case "v1beta1", "v1beta2":
return "DesiredState.Host"
default:
return "Status.Host"
}
}
// nodeEnumerator allows a cache.Poller to enumerate items in an api.NodeList
type nodeEnumerator struct {
*api.NodeList