58 lines
1.4 KiB
Go
58 lines
1.4 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 audit
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import (
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"k8s.io/apimachinery/pkg/util/errors"
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auditinternal "k8s.io/apiserver/pkg/apis/audit"
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)
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// Union returns an audit Backend which logs events to a set of backends. The returned
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// Sink implementation blocks in turn for each call to ProcessEvents.
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func Union(backends ...Backend) Backend {
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if len(backends) == 1 {
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return backends[0]
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}
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return union{backends}
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}
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type union struct {
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backends []Backend
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}
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func (u union) ProcessEvents(events ...*auditinternal.Event) {
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for _, backend := range u.backends {
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backend.ProcessEvents(events...)
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}
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}
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func (u union) Run(stopCh <-chan struct{}) error {
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var funcs []func() error
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for _, backend := range u.backends {
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funcs = append(funcs, func() error {
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return backend.Run(stopCh)
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})
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}
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return errors.AggregateGoroutines(funcs...)
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}
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func (u union) Shutdown() {
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for _, backend := range u.backends {
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backend.Shutdown()
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}
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}
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