Add mappers for host and plugin manager clients

plugins/commands/serve/mappers.rb

@@ -268,9 +268,11 @@ require Vagrant.source_root.join("plugins/commands/serve/mappers/communicator.rb
 require Vagrant.source_root.join("plugins/commands/serve/mappers/direct.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/environment.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/guest.rb").to_s
+require Vagrant.source_root.join("plugins/commands/serve/mappers/host.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/known_types.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/machine.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/pathname.rb").to_s
+require Vagrant.source_root.join("plugins/commands/serve/mappers/plugin_manager.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/project.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/state_bag.rb").to_s
 require Vagrant.source_root.join("plugins/commands/serve/mappers/synced_folder.rb").to_s

plugins/commands/serve/mappers/host.rb

@@ -0,0 +1,56 @@
+module VagrantPlugins
+  module CommandServe
+    class Mappers
+      class HostProtoFromSpec < Mapper
+        def initialize
+          super(
+            inputs: [Input.new(type: SDK::FuncSpec::Value) { |arg|
+                arg.type == "hashicorp.vagrant.sdk.Args.Host" &&
+                  !arg&.value&.value.nil?
+              }
+            ],
+            output: SDK::Args::Host,
+            func: method(:converter)
+          )
+        end
+
+        def converter(fv)
+          SDK::Args::Host.decode(fv.value.value)
+        end
+      end
+
+      # Build a guest client from a FuncSpec value
+      class HostFromSpec < Mapper
+        def initialize
+          inputs = [].tap do |i|
+            i << Input.new(type: SDK::FuncSpec::Value) { |arg|
+              arg.type == "hashicorp.vagrant.sdk.Args.Host" &&
+                !arg&.value&.value.nil?
+            }
+            i << Input.new(type: Broker)
+          end
+          super(inputs: inputs, output: Client::Host, func: method(:converter))
+        end
+
+        def converter(proto, broker)
+          Client::Host.load(proto.value.value, broker: broker)
+        end
+      end
+
+      # Build a guest client from a proto instance
+      class HostFromProto < Mapper
+        def initialize
+          inputs = [].tap do |i|
+            i << Input.new(type: SDK::Args::Host)
+            i << Input.new(type: Broker)
+          end
+          super(inputs: inputs, output: Client::Host, func: method(:converter))
+        end
+
+        def converter(proto, broker)
+          Client::Host.load(proto, broker: broker)
+        end
+      end
+    end
+  end
+end

plugins/commands/serve/mappers/plugin_manager.rb

@@ -0,0 +1,22 @@
+module VagrantPlugins
+  module CommandServe
+    class Mappers
+      class PluginManagerFromProto < Mapper
+        def initialize
+          super(
+            inputs: [
+              Input.new(type: SDK::Args::PluginManager),
+              Input.new(type: Broker),
+            ],
+            output: Client::PluginManager,
+            func: method(:converter)
+          )
+        end
+
+        def converter(proto, broker)
+          Client::PluginManager.load(proto, broker: broker)
+        end
+      end
+    end
+  end
+end