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avoid retries when any data was written to the backend

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This commit is contained in:
Marco Jantke 2018-06-19 13:56:04 +02:00 • committed by Traefiker Bot
parent 586ba31120
commit e31c85aace
5 changed files with 161 additions and 250 deletions
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11
server/server_configuration.go
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@ -23,7 +23,6 @@ import (
"github.com/eapache/channels"
"github.com/urfave/negroni"
"github.com/vulcand/oxy/forward"
"github.com/vulcand/oxy/utils"
)
// loadConfiguration manages dynamically frontends, backends and TLS configurations
@ -80,7 +79,6 @@ func (s *Server) loadConfig(configurations types.Configurations, globalConfigura
}
serverEntryPoints := s.buildServerEntryPoints()
errorHandler := NewRecordingErrorHandler(middlewares.DefaultNetErrorRecorder{})
backendsHandlers := map[string]http.Handler{}
backendsHealthCheck := map[string]*healthcheck.BackendConfig{}
@ -92,7 +90,7 @@ func (s *Server) loadConfig(configurations types.Configurations, globalConfigura
for _, frontendName := range frontendNames {
frontendPostConfigs, err := s.loadFrontendConfig(providerName, frontendName, config,
redirectHandlers, serverEntryPoints, errorHandler,
redirectHandlers, serverEntryPoints,
backendsHandlers, backendsHealthCheck)
if err != nil {
log.Errorf("%v. Skipping frontend %s...", err, frontendName)
@ -131,7 +129,7 @@ func (s *Server) loadConfig(configurations types.Configurations, globalConfigura
func (s *Server) loadFrontendConfig(
providerName string, frontendName string, config *types.Configuration,
redirectHandlers map[string]negroni.Handler, serverEntryPoints map[string]*serverEntryPoint, errorHandler *RecordingErrorHandler,
redirectHandlers map[string]negroni.Handler, serverEntryPoints map[string]*serverEntryPoint,
backendsHandlers map[string]http.Handler, backendsHealthCheck map[string]*healthcheck.BackendConfig,
) ([]handlerPostConfig, error) {
@ -170,7 +168,7 @@ func (s *Server) loadFrontendConfig(
postConfigs = append(postConfigs, postConfig)
}
fwd, err := s.buildForwarder(entryPointName, entryPoint, frontendName, frontend, errorHandler, responseModifier)
fwd, err := s.buildForwarder(entryPointName, entryPoint, frontendName, frontend, responseModifier)
if err != nil {
return nil, fmt.Errorf("failed to create the forwarder for frontend %s: %v", frontendName, err)
}
@ -222,7 +220,7 @@ func (s *Server) loadFrontendConfig(
func (s *Server) buildForwarder(entryPointName string, entryPoint *configuration.EntryPoint,
frontendName string, frontend *types.Frontend,
errorHandler utils.ErrorHandler, responseModifier modifyResponse) (http.Handler, error) {
responseModifier modifyResponse) (http.Handler, error) {
roundTripper, err := s.getRoundTripper(entryPointName, frontend.PassTLSCert, entryPoint.TLS)
if err != nil {
@ -239,7 +237,6 @@ func (s *Server) buildForwarder(entryPointName string, entryPoint *configuration
forward.Stream(true),
forward.PassHostHeader(frontend.PassHostHeader),
forward.RoundTripper(roundTripper),
forward.ErrorHandler(errorHandler),
forward.Rewriter(rewriter),
forward.ResponseModifier(responseModifier),
forward.BufferPool(s.bufferPool),