private BaseMessage buildFatalResponse(Throwable exception) {
   final ErrorResponse errorResponse = new ErrorResponse();
   ErrorDetail error = new ErrorDetail();
   error.setCode(HttpResponseStatus.INTERNAL_SERVER_ERROR.getCode());
   error.setMessage(exception.getMessage());
   error.setType(defaultCode);
   if (Logs.isDebug()) {
     error.setStackTrace(Exceptions.string(exception));
   }
   return errorResponse;
 }
Example #2
0
 static void sendRedirect(
     final ChannelHandlerContext ctx,
     final ChannelEvent e,
     final Class<? extends ComponentId> compClass,
     final MappingHttpRequest request) {
   e.getFuture().cancel();
   String redirectUri = null;
   if (Topology.isEnabled(compClass)) { // have an enabled service, lets use that
     final URI serviceUri = ServiceUris.remote(Topology.lookup(compClass));
     redirectUri =
         serviceUri.toASCIIString() + request.getServicePath().replace(serviceUri.getPath(), "");
   } else if (Topology.isEnabled(
       Eucalyptus.class)) { // can't find service info, redirect via clc master
     final URI serviceUri = ServiceUris.remote(Topology.lookup(Eucalyptus.class));
     redirectUri =
         serviceUri.toASCIIString().replace(Eucalyptus.INSTANCE.getServicePath(), "")
             + request.getServicePath().replace(serviceUri.getPath(), "");
   }
   HttpResponse response = null;
   if (redirectUri == null || isRedirectLoop(request, redirectUri)) {
     response =
         new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.SERVICE_UNAVAILABLE);
     if (Logs.isDebug()) {
       String errorMessage =
           "Failed to lookup service for "
               + Components.lookup(compClass).getName()
               + " for path "
               + request.getServicePath()
               + ".\nCurrent state: \n\t"
               + Joiner.on("\n\t").join(Topology.enabledServices());
       byte[] errorBytes = Exceptions.string(new ServiceStateException(errorMessage)).getBytes();
       response.setContent(ChannelBuffers.wrappedBuffer(errorBytes));
     }
   } else {
     response =
         new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.TEMPORARY_REDIRECT);
     if (request.getQuery() != null) {
       redirectUri += "?" + request.getQuery();
     }
     response.setHeader(HttpHeaders.Names.LOCATION, redirectUri);
   }
   response.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
   if (ctx.getChannel().isConnected()) {
     ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
   }
 }