Get machine state from go impl

internal/core/machine.go

@@ -187,8 +187,11 @@ func (m *Machine) ConnectionInfo() (info *core.ConnectionInfo, err error) {
 
 // MachineState implements core.Machine
 func (m *Machine) MachineState() (state *core.MachineState, err error) {
-	var result core.MachineState
-	return &result, mapstructure.Decode(m.machine.State, &result)
+	p, err := m.Provider()
+	if err != nil {
+		return nil, err
+	}
+	return p.State()
 }
 
 // SetMachineState implements core.Machine

internal/core/target.go

@@ -79,6 +79,14 @@ func (t *Target) SetName(value string) (err error) {
 
 // Provider implements core.Target
 func (t *Target) Provider() (p core.Provider, err error) {
+	defer func() {
+		if p != nil {
+			err = seedPlugin(p, t)
+			if err == nil {
+				t.cache.Register("provider", p)
+			}
+		}
+	}()
 	i := t.cache.Get("provider")
 	if i != nil {
 		p = i.(core.Provider)
@@ -95,15 +103,6 @@ func (t *Target) Provider() (p core.Provider, err error) {
 	}
 	p = provider.Value.(core.Provider)
 
-	if err = seedPlugin(p, t); err != nil {
-		t.logger.Error("failed to seed provider plugin",
-			"error", err,
-		)
-
-		return
-	}
-	t.cache.Register("provider", p)
-
 	return
 }
 

lib/vagrant/machine/remote.rb

@@ -136,14 +136,7 @@ module Vagrant
       end
 
       def state
-        # TODO: this should be using the vagrant go core (client.machine_state).
-        # Since there is currently no way to access providers in the go machine
-        # leave this here for now. Once the provider has been ported, this should
-        # be updated.
-        s = @provider.state
-        raise Errors::MachineStateInvalid if !s.is_a?(MachineState)
-        client.set_machine_state(s) unless s.nil?
-        return s
+        client.machine_state
       end
 
       def ssh_info

plugins/commands/serve/service/provider_service.rb

@@ -110,7 +110,7 @@ module VagrantPlugins
         def state_spec(*_)
           funcspec(
             args: [
-              SDK::Args::Target::Machine,
+              SDK::Args::Target
             ],
             result: SDK::Args::Target::Machine::State,
           )