mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-11-03 04:01:04 +01:00
61 lines
1.6 KiB
Go
61 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 source
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import (
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"context"
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"sigs.k8s.io/external-dns/endpoint"
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)
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// multiSource is a Source that merges the endpoints of its nested Sources.
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type multiSource struct {
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children []Source
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defaultTargets []string
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}
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// Endpoints collects endpoints of all nested Sources and returns them in a single slice.
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func (ms *multiSource) Endpoints(ctx context.Context) ([]*endpoint.Endpoint, error) {
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result := []*endpoint.Endpoint{}
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for _, s := range ms.children {
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endpoints, err := s.Endpoints(ctx)
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if err != nil {
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return nil, err
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}
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if len(ms.defaultTargets) > 0 {
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for i := range endpoints {
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endpoints[i].Targets = ms.defaultTargets
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}
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}
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result = append(result, endpoints...)
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}
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return result, nil
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}
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func (ms *multiSource) AddEventHandler(ctx context.Context, handler func()) {
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for _, s := range ms.children {
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s.AddEventHandler(ctx, handler)
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}
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}
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// NewMultiSource creates a new multiSource.
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func NewMultiSource(children []Source, defaultTargets []string) Source {
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return &multiSource{children: children, defaultTargets: defaultTargets}
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}
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