57 lines
1.6 KiB
Go
57 lines
1.6 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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// ServiceListerExpansion allows custom methods to be added to
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// ServiceLister.
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type ServiceListerExpansion interface {
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GetPodServices(pod *v1.Pod) ([]*v1.Service, error)
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}
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// ServiceNamespaceListerExpansion allows custom methods to be added to
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// ServiceNamespaceLister.
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type ServiceNamespaceListerExpansion interface{}
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// TODO: Move this back to scheduler as a helper function that takes a Store,
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// rather than a method of ServiceLister.
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func (s *serviceLister) GetPodServices(pod *v1.Pod) ([]*v1.Service, error) {
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allServices, err := s.Services(pod.Namespace).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 services []*v1.Service
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for i := range allServices {
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service := allServices[i]
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if service.Spec.Selector == nil {
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// services with nil selectors match nothing, not everything.
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continue
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}
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selector := labels.Set(service.Spec.Selector).AsSelectorPreValidated()
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if selector.Matches(labels.Set(pod.Labels)) {
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services = append(services, service)
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}
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}
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return services, nil
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}
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