mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 05:14:13 +01:00
56 lines
1.9 KiB
Go
56 lines
1.9 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 removepodsviolatingtopologyspreadconstraint
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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/errors"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// ValidateRemovePodsViolatingTopologySpreadConstraintArgs validates RemovePodsViolatingTopologySpreadConstraint arguments
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func ValidateRemovePodsViolatingTopologySpreadConstraintArgs(obj runtime.Object) error {
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var errs []error
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args := obj.(*RemovePodsViolatingTopologySpreadConstraintArgs)
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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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errs = append(errs, 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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errs = append(errs, 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 len(args.Constraints) > 0 {
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supportedConstraints := sets.New(v1.DoNotSchedule, v1.ScheduleAnyway)
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for _, constraint := range args.Constraints {
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if !supportedConstraints.Has(constraint) {
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errs = append(errs, fmt.Errorf("constraint %s is not one of %v", constraint, supportedConstraints))
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}
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}
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}
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return errors.NewAggregate(errs)
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}
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