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Merge pull request #111809 from Huang-Wei/retriable-sched-err

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[sched] more error types when retry patching a pod's status
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Kubernetes Prow Robot 2022-08-23 19:01:05 -07:00 committed by GitHub
commit 626ff5c0c0
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1 changed files with 8 additions and 1 deletions
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9
pkg/scheduler/util/utils.go
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@ -23,6 +23,7 @@ import (
"time" "time"
v1 "k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types" "k8s.io/apimachinery/pkg/types"
utilerrors "k8s.io/apimachinery/pkg/util/errors" utilerrors "k8s.io/apimachinery/pkg/util/errors"
@ -92,6 +93,12 @@ func MoreImportantPod(pod1, pod2 *v1.Pod) bool {
return GetPodStartTime(pod1).Before(GetPodStartTime(pod2)) return GetPodStartTime(pod1).Before(GetPodStartTime(pod2))
} }
// Retriable defines the retriable errors during a scheduling cycle.
func Retriable(err error) bool {
return apierrors.IsInternalError(err) || apierrors.IsServiceUnavailable(err) ||
net.IsConnectionRefused(err)
}
// PatchPodStatus calculates the delta bytes change from <old.Status> to <newStatus>, // PatchPodStatus calculates the delta bytes change from <old.Status> to <newStatus>,
// and then submit a request to API server to patch the pod changes. // and then submit a request to API server to patch the pod changes.
func PatchPodStatus(ctx context.Context, cs kubernetes.Interface, old *v1.Pod, newStatus *v1.PodStatus) error { func PatchPodStatus(ctx context.Context, cs kubernetes.Interface, old *v1.Pod, newStatus *v1.PodStatus) error {
@ -122,7 +129,7 @@ func PatchPodStatus(ctx context.Context, cs kubernetes.Interface, old *v1.Pod, n
return err return err
} }
return retry.OnError(retry.DefaultBackoff, net.IsConnectionRefused, patchFn) return retry.OnError(retry.DefaultBackoff, Retriable, patchFn)
} }
// DeletePod deletes the given <pod> from API server // DeletePod deletes the given <pod> from API server