etcd: add a read/write timeout to server
The default is for connections to last forever[1]. This leads to fds
leaking. I set the timeout so high by default so that watches don't have
to keep retrying but perhaps we should set it slower.
Tested on a cluster with lots of clients and it seems to have relieved
the problem.
[1] https://groups.google.com/forum/#!msg/golang-nuts/JFhGwh1q9xU/heh4J8pul3QJ
Original Commit: 084dcb5596
From: philips <brandon@ifup.org>
release-2.0
parent
e587402c26
commit
4f10917ce9
17
main.go
17
main.go
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@ -7,6 +7,7 @@ import (
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"net"
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"net/http"
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"os"
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"time"
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"github.com/coreos/etcd/config"
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"github.com/coreos/etcd/etcd"
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@ -26,7 +27,10 @@ func main() {
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os.Exit(0)
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}
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e := etcd.New(config)
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e, err := etcd.New(config)
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if err != nil {
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log.Fatal("etcd:", err)
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}
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go e.Run()
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corsInfo, err := ehttp.NewCORSInfo(config.CorsOrigins)
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@ -34,13 +38,15 @@ func main() {
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log.Fatal("cors:", err)
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}
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readTimeout := time.Duration(config.HTTPReadTimeout) * time.Second
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writeTimeout := time.Duration(config.HTTPWriteTimeout) * time.Second
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go func() {
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serve("raft", config.Peer.BindAddr, config.PeerTLSInfo(), corsInfo, e.RaftHandler())
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serve("raft", config.Peer.BindAddr, config.PeerTLSInfo(), corsInfo, e.RaftHandler(), readTimeout, writeTimeout)
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}()
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serve("etcd", config.BindAddr, config.EtcdTLSInfo(), corsInfo, e)
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serve("etcd", config.BindAddr, config.EtcdTLSInfo(), corsInfo, e, readTimeout, writeTimeout)
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}
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func serve(who string, addr string, tinfo *config.TLSInfo, cinfo *ehttp.CORSInfo, handler http.Handler) {
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func serve(who string, addr string, tinfo *config.TLSInfo, cinfo *ehttp.CORSInfo, handler http.Handler, readTimeout, writeTimeout time.Duration) {
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t, terr := tinfo.ServerConfig()
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l, err := net.Listen("tcp", addr)
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if err != nil {
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@ -63,5 +69,6 @@ func serve(who string, addr string, tinfo *config.TLSInfo, cinfo *ehttp.CORSInfo
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}
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h := &ehttp.CORSHandler{handler, cinfo}
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log.Fatal(http.Serve(l, h))
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s := &http.Server{Handler: h, ReadTimeout: readTimeout, WriteTimeout: writeTimeout}
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log.Fatal(s.Serve(l))
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}
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