53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package job
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import (
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"context"
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"fmt"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/kubernetes/pkg/api/pod"
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"k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/utils/pointer"
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)
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const (
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completionsSoftLimit = 100_000
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parallelismSoftLimitForUnlimitedCompletions = 10_000
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)
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// WarningsForJobSpec produces warnings for fields in the JobSpec.
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func WarningsForJobSpec(ctx context.Context, path *field.Path, spec, oldSpec *batch.JobSpec) []string {
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var warnings []string
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if spec.CompletionMode != nil && *spec.CompletionMode == batch.IndexedCompletion {
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completions := pointer.Int32Deref(spec.Completions, 0)
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parallelism := pointer.Int32Deref(spec.Parallelism, 0)
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if completions > completionsSoftLimit && parallelism > parallelismSoftLimitForUnlimitedCompletions {
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msg := "In Indexed Jobs with a number of completions higher than 10^5 and a parallelism higher than 10^4, Kubernetes might not be able to track completedIndexes when a big number of indexes fail"
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warnings = append(warnings, fmt.Sprintf("%s: %s", path, msg))
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}
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}
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var oldPodTemplate *core.PodTemplateSpec
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if oldSpec != nil {
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oldPodTemplate = &oldSpec.Template
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}
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warnings = append(warnings, pod.GetWarningsForPodTemplate(ctx, path.Child("template"), &spec.Template, oldPodTemplate)...)
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return warnings
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}
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