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TUN-3853: Respond with ws headers from the origin service rather than generating our own

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This commit is contained in:
Sudarsan Reddy
2021-02-04 18:03:34 +00:00
committed by Nuno Diegues
parent 9c298e4851
commit ed57ee64e8
4 changed files with 97 additions and 34 deletions
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23
ingress/origin_proxy.go
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@@ -21,7 +21,7 @@ type HTTPOriginProxy interface {
// StreamBasedOriginProxy can be implemented by origin services that want to proxy at the L4 level.
type StreamBasedOriginProxy interface {
EstablishConnection(r *http.Request) (OriginConnection, error)
EstablishConnection(r *http.Request) (OriginConnection, *http.Response, error)
}
func (o *unixSocketPath) RoundTrip(req *http.Request) (*http.Response, error) {
@@ -29,8 +29,8 @@ func (o *unixSocketPath) RoundTrip(req *http.Request) (*http.Response, error) {
}
// TODO: TUN-3636: establish connection to origins over UDS
func (*unixSocketPath) EstablishConnection(r *http.Request) (OriginConnection, error) {
return nil, fmt.Errorf("Unix socket service currently doesn't support proxying connections")
func (*unixSocketPath) EstablishConnection(r *http.Request) (OriginConnection, *http.Response, error) {
return nil, nil, fmt.Errorf("Unix socket service currently doesn't support proxying connections")
}
func (o *httpService) RoundTrip(req *http.Request) (*http.Response, error) {
@@ -40,7 +40,7 @@ func (o *httpService) RoundTrip(req *http.Request) (*http.Response, error) {
return o.transport.RoundTrip(req)
}
func (o *httpService) EstablishConnection(req *http.Request) (OriginConnection, error) {
func (o *httpService) EstablishConnection(req *http.Request) (OriginConnection, *http.Response, error) {
req.URL.Host = o.url.Host
req.URL.Scheme = websocket.ChangeRequestScheme(o.url)
return newWSConnection(o.transport, req)
@@ -53,7 +53,7 @@ func (o *helloWorld) RoundTrip(req *http.Request) (*http.Response, error) {
return o.transport.RoundTrip(req)
}
func (o *helloWorld) EstablishConnection(req *http.Request) (OriginConnection, error) {
func (o *helloWorld) EstablishConnection(req *http.Request) (OriginConnection, *http.Response, error) {
req.URL.Host = o.server.Addr().String()
req.URL.Scheme = "wss"
return newWSConnection(o.transport, req)
@@ -63,12 +63,13 @@ func (o *statusCode) RoundTrip(_ *http.Request) (*http.Response, error) {
return o.resp, nil
}
func (o *bridgeService) EstablishConnection(r *http.Request) (OriginConnection, error) {
func (o *bridgeService) EstablishConnection(r *http.Request) (OriginConnection, *http.Response, error) {
dest, err := o.destination(r)
if err != nil {
return nil, err
return nil, nil, err
}
return o.client.connect(r, dest)
conn, err := o.client.connect(r, dest)
return conn, nil, err
}
// getRequestHost returns the host of the http.Request.
@@ -102,8 +103,10 @@ func removePath(dest string) string {
return strings.SplitN(dest, "/", 2)[0]
}
func (o *singleTCPService) EstablishConnection(r *http.Request) (OriginConnection, error) {
return o.client.connect(r, o.dest)
func (o *singleTCPService) EstablishConnection(r *http.Request) (OriginConnection, *http.Response, error) {
conn, err := o.client.connect(r, o.dest)
return conn, nil, err
}
type tcpClient struct {