65 lines
2 KiB
Go
65 lines
2 KiB
Go
/*
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Copyright 2016 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 healthcheck
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import (
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/apimachinery/pkg/util/wait"
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)
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// All public API Methods for this package
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// UpdateEndpoints Update the set of local endpoints for a service
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func UpdateEndpoints(serviceName types.NamespacedName, endpointUids sets.String) {
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req := &proxyMutationRequest{
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serviceName: serviceName,
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endpointUids: &endpointUids,
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}
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healthchecker.mutationRequestChannel <- req
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}
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func updateServiceListener(serviceName types.NamespacedName, listenPort int, add bool) bool {
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responseChannel := make(chan bool)
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req := &proxyListenerRequest{
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serviceName: serviceName,
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listenPort: uint16(listenPort),
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add: add,
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responseChannel: responseChannel,
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}
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healthchecker.listenerRequestChannel <- req
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return <-responseChannel
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}
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// AddServiceListener Request addition of a listener for a service's health check
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func AddServiceListener(serviceName types.NamespacedName, listenPort int) bool {
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return updateServiceListener(serviceName, listenPort, true)
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}
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// DeleteServiceListener Request deletion of a listener for a service's health check
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func DeleteServiceListener(serviceName types.NamespacedName, listenPort int) bool {
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return updateServiceListener(serviceName, listenPort, false)
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}
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// Run Start the healthchecker main loop
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func Run() {
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healthchecker = proxyHealthCheckFactory()
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// Wrap with a wait.Forever to handle panics.
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go wait.Forever(func() {
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healthchecker.handlerLoop()
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}, 0)
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}
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