49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
/*
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Copyright 2017 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 v1
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import (
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/labels"
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)
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// NodeConditionPredicate is a function that indicates whether the given node's conditions meet
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// some set of criteria defined by the function.
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type NodeConditionPredicate func(node *v1.Node) bool
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// NodeListerExpansion allows custom methods to be added to
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// NodeLister.
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type NodeListerExpansion interface {
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ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error)
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}
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func (l *nodeLister) ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error) {
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nodes, err := l.List(labels.Everything())
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if err != nil {
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return nil, err
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}
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var filtered []*v1.Node
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for i := range nodes {
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if predicate(nodes[i]) {
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filtered = append(filtered, nodes[i])
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}
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}
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return filtered, nil
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}
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