mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 05:14:13 +01:00
57 lines
1.8 KiB
Go
57 lines
1.8 KiB
Go
/*
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Copyright 2022 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 removepodshavingtoomanyrestarts
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import (
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"fmt"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// ValidateRemovePodsHavingTooManyRestartsArgs validates RemovePodsHavingTooManyRestarts arguments
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func ValidateRemovePodsHavingTooManyRestartsArgs(obj runtime.Object) error {
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args := obj.(*RemovePodsHavingTooManyRestartsArgs)
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// At most one of include/exclude can be set
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if args.Namespaces != nil && len(args.Namespaces.Include) > 0 && len(args.Namespaces.Exclude) > 0 {
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return fmt.Errorf("only one of Include/Exclude namespaces can be set")
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}
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if args.LabelSelector != nil {
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if _, err := metav1.LabelSelectorAsSelector(args.LabelSelector); err != nil {
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return fmt.Errorf("failed to get label selectors from strategy's params: %+v", err)
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}
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}
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if args.PodRestartThreshold < 1 {
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return fmt.Errorf("invalid PodsHavingTooManyRestarts threshold")
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}
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allowedStates := sets.New(
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// Pod phases:
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string(v1.PodRunning),
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// Container state reasons:
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"CrashLoopBackOff",
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)
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if !allowedStates.HasAll(args.States...) {
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return fmt.Errorf("states must be one of %v", allowedStates.UnsortedList())
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}
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return nil
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}
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