mirror of
https://github.com/kubernetes-sigs/descheduler.git
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41 lines
1.2 KiB
Go
Vendored
41 lines
1.2 KiB
Go
Vendored
/*
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Copyright 2024 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 validate
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import (
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"context"
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"slices"
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"k8s.io/apimachinery/pkg/api/operation"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/util/validation/field"
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)
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// Enum verifies that the specified value is one of the valid symbols.
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// This is for string enums only.
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func Enum[T ~string](_ context.Context, op operation.Operation, fldPath *field.Path, value, _ *T, symbols sets.Set[T]) field.ErrorList {
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if value == nil {
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return nil
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}
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if !symbols.Has(*value) {
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symbolList := symbols.UnsortedList()
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slices.Sort(symbolList)
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return field.ErrorList{field.NotSupported[T](fldPath, *value, symbolList)}
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}
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return nil
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}
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