github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-26 21:17:23 +00:00
Code Issues Projects Releases Wiki Activity

Relax apf_controller's reaction to certain errors

Browse Source 
When the error is due to the object having been deleted, the
controller does not need to do anything before the coming
notification.
This commit is contained in:
Mike Spreitzer 2020-12-17 10:46:14 -05:00
parent b749a3a421
commit ef1e2039b5
2 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
staging/src/k8s.io/apiserver/pkg/util/flowcontrol/BUILD
View File

@ -15,6 +15,7 @@ go_library(
deps = [
"//staging/src/k8s.io/api/flowcontrol/v1beta1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",

19
staging/src/k8s.io/apiserver/pkg/util/flowcontrol/apf_controller.go
View File

@ -30,10 +30,11 @@ import (
"github.com/pkg/errors"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
apitypes "k8s.io/apimachinery/pkg/types"
apierrors "k8s.io/apimachinery/pkg/util/errors"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
fcboot "k8s.io/apiserver/pkg/apis/flowcontrol/bootstrap"
@ -352,15 +353,25 @@ func (cfgCtlr *configController) digestConfigObjects(newPLs []*flowcontrol.Prior
panic(fmt.Sprintf("Failed to json.Marshall(%#+v): %s", fsu.condition, err.Error()))
}
klog.V(4).Infof("Writing Condition %s to FlowSchema %s because its previous value was %s", string(enc), fsu.flowSchema.Name, fcfmt.Fmt(fsu.oldValue))
_, err = cfgCtlr.flowcontrolClient.FlowSchemas().Patch(context.TODO(), fsu.flowSchema.Name, apitypes.StrategicMergePatchType, []byte(fmt.Sprintf(`{"status": {"conditions": [ %s ] } }`, string(enc))), metav1.PatchOptions{FieldManager: ConfigConsumerAsFieldManager}, "status")
if err != nil {
fsIfc := cfgCtlr.flowcontrolClient.FlowSchemas()
patchBytes := []byte(fmt.Sprintf(`{"status": {"conditions": [ %s ] } }`, string(enc)))
patchOptions := metav1.PatchOptions{FieldManager: ConfigConsumerAsFieldManager}
_, err = fsIfc.Patch(context.TODO(), fsu.flowSchema.Name, apitypes.StrategicMergePatchType, patchBytes, patchOptions, "status")
if err == nil {
continue
}
if apierrors.IsNotFound(err) {
// This object has been deleted. A notification is coming
// and nothing more needs to be done here.
klog.V(5).Infof("Attempted update of concurrently deleted FlowSchema %s; nothing more needs to be done", fsu.flowSchema.Name)
} else {
errs = append(errs, errors.Wrap(err, fmt.Sprintf("failed to set a status.condition for FlowSchema %s", fsu.flowSchema.Name)))
}
}
if len(errs) == 0 {
return nil
}
return apierrors.NewAggregate(errs)
return utilerrors.NewAggregate(errs)
}
func (cfgCtlr *configController) lockAndDigestConfigObjects(newPLs []*flowcontrol.PriorityLevelConfiguration, newFSs []*flowcontrol.FlowSchema) []fsStatusUpdate {