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Merge pull request #86228 from ahg-g/ahg-r1

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Deprecate scheduler's FailureReason
This commit is contained in:
Kubernetes Prow Robot 2019-12-12 18:33:32 -08:00 committed by GitHub
commit 7e01fe12bf
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3 changed files with 27 additions and 45 deletions
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4
pkg/kubelet/lifecycle/predicate.go
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@ -134,10 +134,6 @@ func (w *predicateAdmitHandler) Admit(attrs *PodAdmitAttributes) PodAdmitResult
reason = fmt.Sprintf("OutOf%s", re.ResourceName)
message = re.Error()
klog.V(2).Infof("Predicate failed on Pod: %v, for reason: %v", format.Pod(admitPod), message)
case *predicates.FailureReason:
reason = re.GetReason()
message = fmt.Sprintf("Failure: %s", re.GetReason())
klog.V(2).Infof("Predicate failed on Pod: %v, for reason: %v", format.Pod(admitPod), message)
default:
reason = "UnexpectedPredicateFailureType"
message = fmt.Sprintf("GeneralPredicates failed due to %v, which is unexpected.", r)

66
pkg/scheduler/algorithm/predicates/error.go
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@ -32,54 +32,54 @@ var (
// failure error in nodesWherePreemptionMightHelp() in scheduler/core/generic_scheduler.go
// ErrDiskConflict is used for NoDiskConflict predicate error.
ErrDiskConflict = newPredicateFailureError("NoDiskConflict", "node(s) had no available disk")
ErrDiskConflict = NewPredicateFailureError("NoDiskConflict", "node(s) had no available disk")
// ErrVolumeZoneConflict is used for NoVolumeZoneConflict predicate error.
ErrVolumeZoneConflict = newPredicateFailureError("NoVolumeZoneConflict", "node(s) had no available volume zone")
ErrVolumeZoneConflict = NewPredicateFailureError("NoVolumeZoneConflict", "node(s) had no available volume zone")
// ErrNodeSelectorNotMatch is used for MatchNodeSelector predicate error.
ErrNodeSelectorNotMatch = newPredicateFailureError("MatchNodeSelector", "node(s) didn't match node selector")
ErrNodeSelectorNotMatch = NewPredicateFailureError("MatchNodeSelector", "node(s) didn't match node selector")
// ErrPodAffinityNotMatch is used for MatchInterPodAffinity predicate error.
ErrPodAffinityNotMatch = newPredicateFailureError("MatchInterPodAffinity", "node(s) didn't match pod affinity/anti-affinity")
ErrPodAffinityNotMatch = NewPredicateFailureError("MatchInterPodAffinity", "node(s) didn't match pod affinity/anti-affinity")
// ErrPodAffinityRulesNotMatch is used for PodAffinityRulesNotMatch predicate error.
ErrPodAffinityRulesNotMatch = newPredicateFailureError("PodAffinityRulesNotMatch", "node(s) didn't match pod affinity rules")
ErrPodAffinityRulesNotMatch = NewPredicateFailureError("PodAffinityRulesNotMatch", "node(s) didn't match pod affinity rules")
// ErrPodAntiAffinityRulesNotMatch is used for PodAntiAffinityRulesNotMatch predicate error.
ErrPodAntiAffinityRulesNotMatch = newPredicateFailureError("PodAntiAffinityRulesNotMatch", "node(s) didn't match pod anti-affinity rules")
ErrPodAntiAffinityRulesNotMatch = NewPredicateFailureError("PodAntiAffinityRulesNotMatch", "node(s) didn't match pod anti-affinity rules")
// ErrExistingPodsAntiAffinityRulesNotMatch is used for ExistingPodsAntiAffinityRulesNotMatch predicate error.
ErrExistingPodsAntiAffinityRulesNotMatch = newPredicateFailureError("ExistingPodsAntiAffinityRulesNotMatch", "node(s) didn't satisfy existing pods anti-affinity rules")
ErrExistingPodsAntiAffinityRulesNotMatch = NewPredicateFailureError("ExistingPodsAntiAffinityRulesNotMatch", "node(s) didn't satisfy existing pods anti-affinity rules")
// ErrTaintsTolerationsNotMatch is used for PodToleratesNodeTaints predicate error.
ErrTaintsTolerationsNotMatch = newPredicateFailureError("PodToleratesNodeTaints", "node(s) had taints that the pod didn't tolerate")
ErrTaintsTolerationsNotMatch = NewPredicateFailureError("PodToleratesNodeTaints", "node(s) had taints that the pod didn't tolerate")
// ErrPodNotMatchHostName is used for HostName predicate error.
ErrPodNotMatchHostName = newPredicateFailureError("HostName", "node(s) didn't match the requested hostname")
ErrPodNotMatchHostName = NewPredicateFailureError("HostName", "node(s) didn't match the requested hostname")
// ErrPodNotFitsHostPorts is used for PodFitsHostPorts predicate error.
ErrPodNotFitsHostPorts = newPredicateFailureError("PodFitsHostPorts", "node(s) didn't have free ports for the requested pod ports")
ErrPodNotFitsHostPorts = NewPredicateFailureError("PodFitsHostPorts", "node(s) didn't have free ports for the requested pod ports")
// ErrNodeLabelPresenceViolated is used for CheckNodeLabelPresence predicate error.
ErrNodeLabelPresenceViolated = newPredicateFailureError("CheckNodeLabelPresence", "node(s) didn't have the requested labels")
ErrNodeLabelPresenceViolated = NewPredicateFailureError("CheckNodeLabelPresence", "node(s) didn't have the requested labels")
// ErrServiceAffinityViolated is used for CheckServiceAffinity predicate error.
ErrServiceAffinityViolated = newPredicateFailureError("CheckServiceAffinity", "node(s) didn't match service affinity")
ErrServiceAffinityViolated = NewPredicateFailureError("CheckServiceAffinity", "node(s) didn't match service affinity")
// ErrMaxVolumeCountExceeded is used for MaxVolumeCount predicate error.
ErrMaxVolumeCountExceeded = newPredicateFailureError("MaxVolumeCount", "node(s) exceed max volume count")
ErrMaxVolumeCountExceeded = NewPredicateFailureError("MaxVolumeCount", "node(s) exceed max volume count")
// ErrNodeUnderMemoryPressure is used for NodeUnderMemoryPressure predicate error.
ErrNodeUnderMemoryPressure = newPredicateFailureError("NodeUnderMemoryPressure", "node(s) had memory pressure")
ErrNodeUnderMemoryPressure = NewPredicateFailureError("NodeUnderMemoryPressure", "node(s) had memory pressure")
// ErrNodeUnderDiskPressure is used for NodeUnderDiskPressure predicate error.
ErrNodeUnderDiskPressure = newPredicateFailureError("NodeUnderDiskPressure", "node(s) had disk pressure")
ErrNodeUnderDiskPressure = NewPredicateFailureError("NodeUnderDiskPressure", "node(s) had disk pressure")
// ErrNodeUnderPIDPressure is used for NodeUnderPIDPressure predicate error.
ErrNodeUnderPIDPressure = newPredicateFailureError("NodeUnderPIDPressure", "node(s) had pid pressure")
ErrNodeUnderPIDPressure = NewPredicateFailureError("NodeUnderPIDPressure", "node(s) had pid pressure")
// ErrNodeNotReady is used for NodeNotReady predicate error.
ErrNodeNotReady = newPredicateFailureError("NodeNotReady", "node(s) were not ready")
ErrNodeNotReady = NewPredicateFailureError("NodeNotReady", "node(s) were not ready")
// ErrNodeNetworkUnavailable is used for NodeNetworkUnavailable predicate error.
ErrNodeNetworkUnavailable = newPredicateFailureError("NodeNetworkUnavailable", "node(s) had unavailable network")
ErrNodeNetworkUnavailable = NewPredicateFailureError("NodeNetworkUnavailable", "node(s) had unavailable network")
// ErrNodeUnschedulable is used for NodeUnschedulable predicate error.
ErrNodeUnschedulable = newPredicateFailureError("NodeUnschedulable", "node(s) were unschedulable")
ErrNodeUnschedulable = NewPredicateFailureError("NodeUnschedulable", "node(s) were unschedulable")
// ErrNodeUnknownCondition is used for NodeUnknownCondition predicate error.
ErrNodeUnknownCondition = newPredicateFailureError("NodeUnknownCondition", "node(s) had unknown conditions")
ErrNodeUnknownCondition = NewPredicateFailureError("NodeUnknownCondition", "node(s) had unknown conditions")
// ErrVolumeNodeConflict is used for VolumeNodeAffinityConflict predicate error.
ErrVolumeNodeConflict = newPredicateFailureError("VolumeNodeAffinityConflict", "node(s) had volume node affinity conflict")
ErrVolumeNodeConflict = NewPredicateFailureError("VolumeNodeAffinityConflict", "node(s) had volume node affinity conflict")
// ErrVolumeBindConflict is used for VolumeBindingNoMatch predicate error.
ErrVolumeBindConflict = newPredicateFailureError("VolumeBindingNoMatch", "node(s) didn't find available persistent volumes to bind")
ErrVolumeBindConflict = NewPredicateFailureError("VolumeBindingNoMatch", "node(s) didn't find available persistent volumes to bind")
// ErrTopologySpreadConstraintsNotMatch is used for EvenPodsSpread predicate error.
ErrTopologySpreadConstraintsNotMatch = newPredicateFailureError("EvenPodsSpreadNotMatch", "node(s) didn't match pod topology spread constraints")
ErrTopologySpreadConstraintsNotMatch = NewPredicateFailureError("EvenPodsSpreadNotMatch", "node(s) didn't match pod topology spread constraints")
// ErrFakePredicate is used for test only. The fake predicates returning false also returns error
// as ErrFakePredicate.
ErrFakePredicate = newPredicateFailureError("FakePredicateError", "Nodes failed the fake predicate")
ErrFakePredicate = NewPredicateFailureError("FakePredicateError", "Nodes failed the fake predicate")
)
var unresolvablePredicateFailureErrors = map[PredicateFailureReason]struct{}{
@ -154,7 +154,8 @@ type PredicateFailureError struct {
PredicateDesc string
}
func newPredicateFailureError(predicateName, predicateDesc string) *PredicateFailureError {
// NewPredicateFailureError creates a PredicateFailureError with message.
func NewPredicateFailureError(predicateName, predicateDesc string) *PredicateFailureError {
return &PredicateFailureError{PredicateName: predicateName, PredicateDesc: predicateDesc}
}
@ -171,18 +172,3 @@ func (e *PredicateFailureError) GetReason() string {
type PredicateFailureReason interface {
GetReason() string
}
// FailureReason describes a failure reason.
type FailureReason struct {
reason string
}
// NewFailureReason creates a FailureReason with message.
func NewFailureReason(msg string) *FailureReason {
return &FailureReason{reason: msg}
}
// GetReason returns the reason of the FailureReason.
func (e *FailureReason) GetReason() string {
return e.reason
}

2
pkg/scheduler/core/generic_scheduler.go
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@ -579,7 +579,7 @@ func (g *genericScheduler) findNodesThatFit(ctx context.Context, state *framewor
if _, found := failedPredicateMap[failedNodeName]; !found {
failedPredicateMap[failedNodeName] = []predicates.PredicateFailureReason{}
}
failedPredicateMap[failedNodeName] = append(failedPredicateMap[failedNodeName], predicates.NewFailureReason(failedMsg))
failedPredicateMap[failedNodeName] = append(failedPredicateMap[failedNodeName], predicates.NewPredicateFailureError(extender.Name(), failedMsg))
}
filtered = filteredList
if len(filtered) == 0 {