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Automated cherry pick of #5095: Fix the bug in interpreting the replicas of Job #5108

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merged 1 commit into from
Jun 27, 2024
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Automated cherry pick of #5095: Fix the bug in interpreting the replicas of Job #5108

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8 changes: 8 additions & 0 deletions pkg/resourceinterpreter/default/native/replica.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/klog/v2"
"k8s.io/utils/ptr"

workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
"github.com/karmada-io/karmada/pkg/util"
Expand Down Expand Up @@ -86,6 +87,13 @@ func jobReplica(object *unstructured.Unstructured) (int32, *workv1alpha2.Replica
if job.Spec.Parallelism != nil {
replica = *job.Spec.Parallelism
}
// For fixed completion count Jobs, the actual number of pods running in parallel will not exceed the number of remaining completions.
// Higher values of .spec.parallelism are effectively ignored.
// More info: https://kubernetes.io/docs/concepts/workloads/controllers/job/
completions := ptr.Deref[int32](job.Spec.Completions, replica)
if replica > completions {
replica = completions
}
requirement := helper.GenerateReplicaRequirements(&job.Spec.Template)

return replica, requirement, nil
Expand Down