Deprecate ListWatchUntil, fix it and call places

pull/8/head
Tomas Nozicka 2018-08-03 16:08:28 +02:00
parent 07b8373ab3
commit e434f3189e
4 changed files with 16 additions and 8 deletions

View File

@ -214,7 +214,7 @@ func TestListWatchUntil(t *testing.T) {
}
timeout := 10 * time.Second
lastEvent, err := ListWatchUntil(timeout, listwatch, conditions...)
lastEvent, err := watchtools.ListWatchUntil(timeout, listwatch, conditions...)
if err != nil {
t.Fatalf("expected nil error, got %#v", err)
}

View File

@ -33,6 +33,7 @@ import (
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/cache"
watchtools "k8s.io/client-go/tools/watch"
"k8s.io/kubernetes/pkg/api/legacyscheme"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/serviceaccount"
@ -122,7 +123,7 @@ func (b SAControllerClientBuilder) Config(name string) (*restclient.Config, erro
return b.CoreClient.Secrets(b.Namespace).Watch(options)
},
}
_, err = cache.ListWatchUntil(30*time.Second, lw,
_, err = watchtools.ListWatchUntil(30*time.Second, lw,
func(event watch.Event) (bool, error) {
switch event.Type {
case watch.Deleted:

View File

@ -23,8 +23,10 @@ import (
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/cache"
)
// ConditionFunc returns true if the condition has been reached, false if it has not been reached yet,
@ -105,7 +107,10 @@ func ContextWithOptionalTimeout(parent context.Context, timeout time.Duration) (
// ListWatchUntil checks the provided conditions against the items returned by the list watcher, returning wait.ErrWaitTimeout
// if timeout is exceeded without all conditions returning true, or an error if an error occurs.
// TODO: check for watch expired error and retry watch from latest point? Same issue exists for Until.
func ListWatchUntil(timeout time.Duration, lw ListerWatcher, conditions ...watchtools.ConditionFunc) (*watch.Event, error) {
// TODO: remove when no longer used
//
// Deprecated: Use UntilWithSync instead.
func ListWatchUntil(timeout time.Duration, lw cache.ListerWatcher, conditions ...ConditionFunc) (*watch.Event, error) {
if len(conditions) == 0 {
return nil, nil
}
@ -167,10 +172,10 @@ func ListWatchUntil(timeout time.Duration, lw ListerWatcher, conditions ...watch
return nil, err
}
ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), timeout)
ctx, cancel := ContextWithOptionalTimeout(context.Background(), timeout)
defer cancel()
evt, err := watchtools.UntilWithoutRetry(ctx, watchInterface, remainingConditions...)
if err == watchtools.ErrWatchClosed {
evt, err := UntilWithoutRetry(ctx, watchInterface, remainingConditions...)
if err == ErrWatchClosed {
// present a consistent error interface to callers
err = wait.ErrWaitTimeout
}

View File

@ -24,10 +24,11 @@ import (
"encoding/base64"
"encoding/pem"
"fmt"
"github.com/golang/glog"
"reflect"
"time"
"github.com/golang/glog"
certificates "k8s.io/api/certificates/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -38,6 +39,7 @@ import (
"k8s.io/apimachinery/pkg/watch"
certificatesclient "k8s.io/client-go/kubernetes/typed/certificates/v1beta1"
"k8s.io/client-go/tools/cache"
watchtools "k8s.io/client-go/tools/watch"
certutil "k8s.io/client-go/util/cert"
)
@ -121,7 +123,7 @@ func RequestCertificate(client certificatesclient.CertificateSigningRequestInter
func WaitForCertificate(client certificatesclient.CertificateSigningRequestInterface, req *certificates.CertificateSigningRequest, timeout time.Duration) (certData []byte, err error) {
fieldSelector := fields.OneTermEqualSelector("metadata.name", req.Name).String()
event, err := cache.ListWatchUntil(
event, err := watchtools.ListWatchUntil(
timeout,
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {