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Merge pull request #105967 from shivanshu1333/feature2/master/105841

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Migrated scheduler files `preemption.go`, `stateful.go`, `resource_allocation.go` to structured logging
This commit is contained in:
Kubernetes Prow Robot 2021-11-09 10:28:01 -08:00 committed by GitHub
commit 6ac2d8edc8
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4 changed files with 14 additions and 15 deletions
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2
pkg/kubelet/preemption/preemption.go
View File

@ -98,7 +98,7 @@ func (c *CriticalPodAdmissionHandler) evictPodsToFreeRequests(admitPod *v1.Pod,
// record that we are evicting the pod
c.recorder.Eventf(pod, v1.EventTypeWarning, events.PreemptContainer, message)
// this is a blocking call and should only return when the pod and its containers are killed.
klog.V(3).InfoS("Preempting pod to free up resources", "pod", klog.KObj(pod), "podUID", pod.UID, "insufficientResources", insufficientResources.toString())
klog.V(3).InfoS("Preempting pod to free up resources", "pod", klog.KObj(pod), "podUID", pod.UID, "insufficientResources", insufficientResources)
err := c.killPodFunc(pod, true, nil, func(status *v1.PodStatus) {
status.Phase = v1.PodFailed
status.Reason = events.PreemptContainer

2
pkg/scheduler/framework/plugins/examples/stateful/stateful.go
View File

@ -84,7 +84,7 @@ func (mp *MultipointExample) PreBind(ctx context.Context, state *framework.Cycle
// New initializes a new plugin and returns it.
func New(config *runtime.Unknown, _ framework.Handle) (framework.Plugin, error) {
if config == nil {
klog.Error("MultipointExample configuration cannot be empty")
klog.ErrorS(nil, "MultipointExample configuration cannot be empty")
return nil, fmt.Errorf("MultipointExample configuration cannot be empty")
}
mp := MultipointExample{}

9
pkg/scheduler/framework/plugins/noderesources/resource_allocation.go
View File

@ -70,10 +70,9 @@ func (r *resourceAllocationScorer) score(
score := r.scorer(requested, allocatable)
if klog.V(10).Enabled() {
klog.Infof(
"%v -> %v: %v, map of allocatable resources %v, map of requested resources %v ,score %d,",
pod.Name, node.Name, r.Name,
allocatable, requested, score,
klog.InfoS("Listing internal info for allocatable resources, requested resources and score", "pod",
klog.KObj(pod), "node", klog.KObj(node), "resourceAllocationScorer", r.Name,
"allocatableResource", allocatable, "requestedResource", requested, "resourceScore", score,
)
}
@ -109,7 +108,7 @@ func (r *resourceAllocationScorer) calculateResourceAllocatableRequest(nodeInfo
}
}
if klog.V(10).Enabled() {
klog.Infof("requested resource %v not considered for node score calculation", resource)
klog.InfoS("Requested resource is omitted for node score calculation", "resourceName", resource)
}
return 0, 0
}

16
pkg/scheduler/framework/preemption/preemption.go
View File

@ -132,7 +132,7 @@ func (ev *Evaluator) Preempt(ctx context.Context, pod *v1.Pod, m framework.NodeT
podNamespace, podName := pod.Namespace, pod.Name
pod, err := ev.PodLister.Pods(pod.Namespace).Get(pod.Name)
if err != nil {
klog.ErrorS(err, "getting the updated preemptor pod object", "pod", klog.KRef(podNamespace, podName))
klog.ErrorS(err, "Getting the updated preemptor pod object", "pod", klog.KRef(podNamespace, podName))
return nil, framework.AsStatus(err)
}
@ -196,7 +196,7 @@ func (ev *Evaluator) findCandidates(ctx context.Context, pod *v1.Pod, m framewor
klog.V(3).InfoS("Preemption will not help schedule pod on any node", "pod", klog.KObj(pod))
// In this case, we should clean-up any existing nominated node name of the pod.
if err := util.ClearNominatedNodeName(ev.Handler.ClientSet(), pod); err != nil {
klog.ErrorS(err, "cannot clear 'NominatedNodeName' field of pod", "pod", klog.KObj(pod))
klog.ErrorS(err, "Cannot clear 'NominatedNodeName' field of pod", "pod", klog.KObj(pod))
// We do not return as this error is not critical.
}
return nil, unschedulableNodeStatus, nil
@ -213,7 +213,7 @@ func (ev *Evaluator) findCandidates(ctx context.Context, pod *v1.Pod, m framewor
for i := offset; i < offset+10 && i < int32(len(potentialNodes)); i++ {
sample = append(sample, potentialNodes[i].Node().Name)
}
klog.Infof("from a pool of %d nodes (offset: %d, sample %d nodes: %v), ~%d candidates will be chosen", len(potentialNodes), offset, len(sample), sample, numCandidates)
klog.InfoS("Selecting candidates from a pool of nodes", "potentialNodesCount", len(potentialNodes), "offset", offset, "sampleLength", len(sample), "sample", sample, "candidates", numCandidates)
}
candidates, nodeStatuses, err := ev.DryRunPreemption(ctx, pod, potentialNodes, pdbs, offset, numCandidates)
for node, nodeStatus := range unschedulableNodeStatus {
@ -257,7 +257,7 @@ func (ev *Evaluator) callExtenders(pod *v1.Pod, candidates []Candidate) ([]Candi
if victims == nil || len(victims.Pods) == 0 {
if extender.IsIgnorable() {
delete(nodeNameToVictims, nodeName)
klog.InfoS("Ignoring node without victims", "node", nodeName)
klog.InfoS("Ignoring node without victims", "node", klog.KRef("", nodeName))
continue
}
return nil, framework.AsStatus(fmt.Errorf("expected at least one victim pod on node %q", nodeName))
@ -307,7 +307,7 @@ func (ev *Evaluator) SelectCandidate(candidates []Candidate) Candidate {
}
// We shouldn't reach here.
klog.ErrorS(errors.New("no candidate selected"), "should not reach here", "candidates", candidates)
klog.ErrorS(errors.New("no candidate selected"), "Should not reach here", "candidates", candidates)
// To not break the whole flow, return the first candidate.
return candidates[0]
}
@ -339,7 +339,7 @@ func (ev *Evaluator) prepareCandidate(c Candidate, pod *v1.Pod, pluginName strin
// lets scheduler find another place for them.
nominatedPods := getLowerPriorityNominatedPods(fh, pod, c.Name())
if err := util.ClearNominatedNodeName(cs, nominatedPods...); err != nil {
klog.ErrorS(err, "cannot clear 'NominatedNodeName' field")
klog.ErrorS(err, "Cannot clear 'NominatedNodeName' field")
// We do not return as this error is not critical.
}
@ -481,7 +481,7 @@ func pickOneNodeForPreemption(nodesToVictims map[string]*extenderv1.Victims) str
if latestStartTime == nil {
// If the earliest start time of all pods on the 1st node is nil, just return it,
// which is not expected to happen.
klog.ErrorS(errors.New("earliestStartTime is nil for node"), "should not reach here", "node", minNodes2[0])
klog.ErrorS(errors.New("earliestStartTime is nil for node"), "Should not reach here", "node", klog.KRef("", minNodes2[0]))
return minNodes2[0]
}
nodeToReturn := minNodes2[0]
@ -490,7 +490,7 @@ func pickOneNodeForPreemption(nodesToVictims map[string]*extenderv1.Victims) str
// Get earliest start time of all pods on the current node.
earliestStartTimeOnNode := util.GetEarliestPodStartTime(nodesToVictims[node])
if earliestStartTimeOnNode == nil {
klog.ErrorS(errors.New("earliestStartTime is nil for node"), "should not reach here", "node", node)
klog.ErrorS(errors.New("earliestStartTime is nil for node"), "Should not reach here", "node", klog.KRef("", node))
continue
}
if earliestStartTimeOnNode.After(latestStartTime.Time) {