0f10102c16
Kube-proxy runs two different health servers; one for monitoring the health of kube-proxy itself, and one for monitoring the health of specific services. Rename them to "ProxierHealthServer" and "ServiceHealthServer" to make this clearer, and do a bit of API cleanup too.
64 lines
1.8 KiB
Go
64 lines
1.8 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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"net"
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"net/http"
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)
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// listener allows for testing of ServiceHealthServer and ProxierHealthServer.
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type listener interface {
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// Listen is very much like net.Listen, except the first arg (network) is
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// fixed to be "tcp".
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Listen(addr string) (net.Listener, error)
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}
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// httpServerFactory allows for testing of ServiceHealthServer and ProxierHealthServer.
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type httpServerFactory interface {
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// New creates an instance of a type satisfying HTTPServer. This is
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// designed to include http.Server.
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New(addr string, handler http.Handler) httpServer
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}
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// httpServer allows for testing of ServiceHealthServer and ProxierHealthServer.
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// It is designed so that http.Server satisfies this interface,
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type httpServer interface {
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Serve(listener net.Listener) error
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}
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// Implement listener in terms of net.Listen.
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type stdNetListener struct{}
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func (stdNetListener) Listen(addr string) (net.Listener, error) {
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return net.Listen("tcp", addr)
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}
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var _ listener = stdNetListener{}
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// Implement httpServerFactory in terms of http.Server.
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type stdHTTPServerFactory struct{}
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func (stdHTTPServerFactory) New(addr string, handler http.Handler) httpServer {
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return &http.Server{
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Addr: addr,
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Handler: handler,
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}
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}
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var _ httpServerFactory = stdHTTPServerFactory{}
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