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Add ability to disable HTTP/2 in dynamic config

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jcuzzi 2021-03-29 05:32:03 -07:00 • committed by GitHub
parent 31a5f3591f
commit d13d078351
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 126 additions and 10 deletions
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25
pkg/server/service/roundtripper.go
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@ -100,7 +100,7 @@ func (r *RoundTripperManager) Get(name string) (http.RoundTripper, error) {
// createRoundTripper creates an http.RoundTripper configured with the Transport configuration settings.
// For the settings that can't be configured in Traefik it uses the default http.Transport settings.
// An exception to this is the MaxIdleConns setting as we only provide the option MaxIdleConnsPerHostin Traefik at this point in time.
// An exception to this is the MaxIdleConns setting as we only provide the option MaxIdleConnsPerHost in Traefik at this point in time.
// Setting this value to the default of 100 could lead to confusing behavior and backwards compatibility issues.
func createRoundTripper(cfg *dynamic.ServersTransport) (http.RoundTripper, error) {
if cfg == nil {
@ -127,15 +127,6 @@ func createRoundTripper(cfg *dynamic.ServersTransport) (http.RoundTripper, error
WriteBufferSize: 64 * 1024,
}
transport.RegisterProtocol("h2c", &h2cTransportWrapper{
Transport: &http2.Transport{
DialTLS: func(netw, addr string, cfg *tls.Config) (net.Conn, error) {
return net.Dial(netw, addr)
},
AllowHTTP: true,
},
})
if cfg.ForwardingTimeouts != nil {
transport.ResponseHeaderTimeout = time.Duration(cfg.ForwardingTimeouts.ResponseHeaderTimeout)
transport.IdleConnTimeout = time.Duration(cfg.ForwardingTimeouts.IdleConnTimeout)
@ -150,6 +141,20 @@ func createRoundTripper(cfg *dynamic.ServersTransport) (http.RoundTripper, error
}
}
// Return directly HTTP/1.1 transport when HTTP/2 is disabled
if cfg.DisableHTTP2 {
return transport, nil
}
transport.RegisterProtocol("h2c", &h2cTransportWrapper{
Transport: &http2.Transport{
DialTLS: func(netw, addr string, cfg *tls.Config) (net.Conn, error) {
return net.Dial(netw, addr)
},
AllowHTTP: true,
},
})
return newSmartRoundTripper(transport)
}