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3 Commits

Author SHA1 Message Date
Kubernetes Publisher
6b7c683779 Update dependencies to v0.18.2 tag 2020-04-17 02:31:41 +00:00
Kubernetes Publisher
b3ff053fb1 Merge pull request #89975 from liggitt/relist-timeout-1.18
Manual cherry pick of #89652: Fix client watch reestablishment handling of client-side timeouts

Kubernetes-commit: c37f8ac0e1f85be80ce3a91c0bf3f9869aaa200b
2020-04-10 02:42:27 +00:00
Jordan Liggitt
dbcb4c305c Fix client watch reestablishment handling of client-side timeouts
Kubernetes-commit: ea49e94be8a8b5285e1ea737df0bfd83e8b5158f
2020-03-30 10:36:01 -04:00
7 changed files with 17 additions and 16 deletions

4
Godeps/Godeps.json generated
View File

@@ -348,11 +348,11 @@
},
{
"ImportPath": "k8s.io/api",
"Rev": "v0.18.2-beta.0"
"Rev": "v0.18.2"
},
{
"ImportPath": "k8s.io/apimachinery",
"Rev": "v0.18.2-beta.0"
"Rev": "v0.18.2"
},
{
"ImportPath": "k8s.io/gengo",

8
go.mod
View File

@@ -28,8 +28,8 @@ require (
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
google.golang.org/appengine v1.5.0 // indirect
k8s.io/api v0.18.2-beta.0
k8s.io/apimachinery v0.18.2-beta.0
k8s.io/api v0.18.2
k8s.io/apimachinery v0.18.2
k8s.io/klog v1.0.0
k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89
sigs.k8s.io/yaml v1.2.0
@@ -38,6 +38,6 @@ require (
replace (
golang.org/x/sys => golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // pinned to release-branch.go1.13
golang.org/x/tools => golang.org/x/tools v0.0.0-20190821162956-65e3620a7ae7 // pinned to release-branch.go1.13
k8s.io/api => k8s.io/api v0.18.2-beta.0
k8s.io/apimachinery => k8s.io/apimachinery v0.18.2-beta.0
k8s.io/api => k8s.io/api v0.18.2
k8s.io/apimachinery => k8s.io/apimachinery v0.18.2
)

4
go.sum
View File

@@ -182,8 +182,8 @@ gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
k8s.io/api v0.18.2-beta.0/go.mod h1:OdO5IPycJkPS91wMkDJJd/yfJpgZukVaxs0MA20Wn6g=
k8s.io/apimachinery v0.18.2-beta.0/go.mod h1:9SnR/e11v5IbyPCGbvJViimtJ0SwHG4nfZFjU77ftcA=
k8s.io/api v0.18.2/go.mod h1:SJCWI7OLzhZSvbY7U8zwNl9UA4o1fizoug34OV/2r78=
k8s.io/apimachinery v0.18.2/go.mod h1:9SnR/e11v5IbyPCGbvJViimtJ0SwHG4nfZFjU77ftcA=
k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=

View File

@@ -655,7 +655,7 @@ func (r *Request) Watch(ctx context.Context) (watch.Interface, error) {
if err != nil {
// The watch stream mechanism handles many common partial data errors, so closed
// connections can be retried in many cases.
if net.IsProbableEOF(err) {
if net.IsProbableEOF(err) || net.IsTimeout(err) {
return watch.NewEmptyWatch(), nil
}
return nil, err

View File

@@ -364,6 +364,8 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
AllowWatchBookmarks: true,
}
// start the clock before sending the request, since some proxies won't flush headers until after the first watch event is sent
start := r.clock.Now()
w, err := r.listerWatcher.Watch(options)
if err != nil {
switch {
@@ -390,7 +392,7 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
return nil
}
if err := r.watchHandler(w, &resourceVersion, resyncerrc, stopCh); err != nil {
if err := r.watchHandler(start, w, &resourceVersion, resyncerrc, stopCh); err != nil {
if err != errorStopRequested {
switch {
case isExpiredError(err):
@@ -417,8 +419,7 @@ func (r *Reflector) syncWith(items []runtime.Object, resourceVersion string) err
}
// watchHandler watches w and keeps *resourceVersion up to date.
func (r *Reflector) watchHandler(w watch.Interface, resourceVersion *string, errc chan error, stopCh <-chan struct{}) error {
start := r.clock.Now()
func (r *Reflector) watchHandler(start time.Time, w watch.Interface, resourceVersion *string, errc chan error, stopCh <-chan struct{}) error {
eventCount := 0
// Stopping the watcher should be idempotent and if we return from this function there's no way

View File

@@ -136,7 +136,7 @@ func TestReflectorWatchHandlerError(t *testing.T) {
fw.Stop()
}()
var resumeRV string
err := g.watchHandler(fw, &resumeRV, nevererrc, wait.NeverStop)
err := g.watchHandler(time.Now(), fw, &resumeRV, nevererrc, wait.NeverStop)
if err == nil {
t.Errorf("unexpected non-error")
}
@@ -156,7 +156,7 @@ func TestReflectorWatchHandler(t *testing.T) {
fw.Stop()
}()
var resumeRV string
err := g.watchHandler(fw, &resumeRV, nevererrc, wait.NeverStop)
err := g.watchHandler(time.Now(), fw, &resumeRV, nevererrc, wait.NeverStop)
if err != nil {
t.Errorf("unexpected error %v", err)
}
@@ -205,7 +205,7 @@ func TestReflectorStopWatch(t *testing.T) {
var resumeRV string
stopWatch := make(chan struct{}, 1)
stopWatch <- struct{}{}
err := g.watchHandler(fw, &resumeRV, nevererrc, stopWatch)
err := g.watchHandler(time.Now(), fw, &resumeRV, nevererrc, stopWatch)
if err != errorStopRequested {
t.Errorf("expected stop error, got %q", err)
}

View File

@@ -120,7 +120,7 @@ func (rw *RetryWatcher) doReceive() (bool, time.Duration) {
default:
msg := "Watch failed: %v"
if net.IsProbableEOF(err) {
if net.IsProbableEOF(err) || net.IsTimeout(err) {
klog.V(5).Infof(msg, err)
// Retry
return false, 0