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Make controller and client more generic

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This commit is contained in:
Darren Shepherd
2018-02-13 08:52:18 -07:00
parent 63f413add2
commit 0f7c2968c9
3 changed files with 37 additions and 5 deletions
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17
controller/generic_controller.go
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@@ -10,8 +10,11 @@ import (
"github.com/rancher/norman/clientbase"
"github.com/rancher/norman/types"
"github.com/sirupsen/logrus"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
)
@@ -31,6 +34,12 @@ type GenericController interface {
Start(ctx context.Context, threadiness int) error
}
type Backend interface {
List(opts metav1.ListOptions) (runtime.Object, error)
Watch(opts metav1.ListOptions) (watch.Interface, error)
ObjectFactory() clientbase.ObjectFactory
}
type handlerDef struct {
name string
handler HandlerFunc
@@ -46,13 +55,13 @@ type genericController struct {
synced bool
}
func NewGenericController(name string, objectClient *clientbase.ObjectClient) GenericController {
func NewGenericController(name string, genericClient Backend) GenericController {
informer := cache.NewSharedIndexInformer(
&cache.ListWatch{
ListFunc: objectClient.List,
WatchFunc: objectClient.Watch,
ListFunc: genericClient.List,
WatchFunc: genericClient.Watch,
},
objectClient.Factory.Object(), resyncPeriod, cache.Indexers{})
genericClient.ObjectFactory().Object(), resyncPeriod, cache.Indexers{})
rl := workqueue.NewMaxOfRateLimiter(
workqueue.NewItemExponentialFailureRateLimiter(500*time.Millisecond, 1000*time.Second),