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Merge pull request #92182 from sttts/sttts-non-tcp-listener

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apiserver: fix secure serving cast for non-tcp listeners
This commit is contained in:
Kubernetes Prow Robot 2020-06-18 06:02:42 -07:00 committed by GitHub
commit 6dced80b5a
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1 changed files with 8 additions and 6 deletions
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14
staging/src/k8s.io/apiserver/pkg/server/secure_serving.go
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@ -218,7 +218,7 @@ func RunServer(
defer utilruntime.HandleCrash()
var listener net.Listener
listener = tcpKeepAliveListener{ln.(*net.TCPListener)}
listener = tcpKeepAliveListener{ln}
if server.TLSConfig != nil {
listener = tls.NewListener(listener, server.TLSConfig)
}
@ -244,15 +244,17 @@ func RunServer(
//
// Copied from Go 1.7.2 net/http/server.go
type tcpKeepAliveListener struct {
*net.TCPListener
net.Listener
}
func (ln tcpKeepAliveListener) Accept() (net.Conn, error) {
tc, err := ln.AcceptTCP()
c, err := ln.Listener.Accept()
if err != nil {
return nil, err
}
tc.SetKeepAlive(true)
tc.SetKeepAlivePeriod(defaultKeepAlivePeriod)
return tc, nil
if tc, ok := c.(*net.TCPConn); ok {
tc.SetKeepAlive(true)
tc.SetKeepAlivePeriod(defaultKeepAlivePeriod)
}
return c, nil
}