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embed: mutate /v3alpha requests with /v3beta for backward compatibilities

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Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyu-Ho Lee 2017-11-15 01:41:36 -08:00
parent 5fd419ff50
commit c706c6e238
1 changed files with 17 additions and 2 deletions
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19
embed/serve.go
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@ -104,7 +104,7 @@ func (sctx *serveCtx) serve(
httpmux := sctx.createMux(gwmux, handler)
srvhttp := &http.Server{
Handler: httpmux,
Handler: wrapMux(httpmux),
ErrorLog: logger, // do not log user error
}
httpl := m.Match(cmux.HTTP1())
@ -144,7 +144,7 @@ func (sctx *serveCtx) serve(
httpmux := sctx.createMux(gwmux, handler)
srv := &http.Server{
Handler: httpmux,
Handler: wrapMux(httpmux),
TLSConfig: tlscfg,
ErrorLog: logger, // do not log user error
}
@ -234,6 +234,21 @@ func (sctx *serveCtx) createMux(gwmux *gw.ServeMux, handler http.Handler) *http.
return httpmux
}
// wraps HTTP multiplexer to mute requests to /v3alpha
// TODO: deprecate this in 3.4 release
func wrapMux(mux *http.ServeMux) http.Handler { return &v3alphaMutator{mux: mux} }
type v3alphaMutator struct {
mux *http.ServeMux
}
func (m *v3alphaMutator) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if req != nil && req.URL != nil && strings.HasPrefix(req.URL.Path, "/v3alpha/") {
req.URL.Path = strings.Replace(req.URL.Path, "/v3alpha/", "/v3beta/", 1)
}
m.mux.ServeHTTP(rw, req)
}
func (sctx *serveCtx) registerUserHandler(s string, h http.Handler) {
if sctx.userHandlers[s] != nil {
plog.Warningf("path %s already registered by user handler", s)