Add error message for errors originating from a remote

lib/vagrant/errors.rb

@@ -928,6 +928,10 @@ module Vagrant
       error_key(:vagrantfile_name_error)
     end
 
+    class VagrantRemoteError < VagrantError
+      error_key(:vagrant_remote_error)
+    end
+
     class VagrantfileSyntaxError < VagrantError
       error_key(:vagrantfile_syntax_error)
     end

plugins/commands/serve/client/terminal.rb

@@ -18,8 +18,12 @@ module VagrantPlugins
           "TerminalUI"
         end
 
+        def is_interactive
+          client.is_interactive.interactive
+        end
+
         def input(prompt, **opts)
-          client.events(
+          event_resp = client.events(
             [
               SDK::TerminalUI::Event.new(
                 input: SDK::TerminalUI::Event::Input.new(
@@ -29,8 +33,13 @@ module VagrantPlugins
                 )
               ),
             ].each
-          ).map { |resp|
-            resp.input.input
+          )
+          event_resp.map { |resp|
+            input = resp.input
+            if !input.error.nil?
+              raise Vagrant::Errors::VagrantRemoteError, msg: input.error.message
+            end
+            input.input
           }.first
         end
 

templates/locales/en.yml

@@ -1672,6 +1672,8 @@ en:
         Path: %{path}
         Line number: %{line}
         Message: %{message}
+      vagrant_remote_error: |-
+        %{msg}
       vagrantfile_syntax_error: |-
         There is a syntax error in the following Vagrantfile. The syntax error
         message is reproduced below for convenience: