Add shared SharedDir type

drivers/fakedriver/fakedriver.go

@@ -67,3 +67,7 @@ func (d *Driver) Remove() error {
 func (d *Driver) Upgrade() error {
 	return nil
 }
+
+func (d *Driver) GetSharedDirs() ([]drivers.SharedDir, error) {
+	return []drivers.SharedDir{}, nil
+}

libmachine/drivers/base.go

@@ -21,6 +21,15 @@ type VMDriver struct {
 	Memory          int
 	CPU             int
 	DiskCapacity    uint64 // bytes
+	SharedDirs      []SharedDir
+}
+
+type SharedDir struct {
+	ReadOnly bool
+	Source   string
+	Tag      string
+	Target   string
+	Type     string
 }
 
 // DriverName returns the name of the driver
@@ -67,3 +76,7 @@ func (d *BaseDriver) GetBundleName() (string, error) {
 func (d *BaseDriver) UpdateConfigRaw(rawData []byte) error {
 	return ErrNotImplemented
 }
+
+func (d *VMDriver) GetSharedDirs() ([]SharedDir, error) {
+	return d.SharedDirs, nil
+}

libmachine/drivers/drivers.go

@@ -27,6 +27,8 @@ type Driver interface {
 	// GetBundleName() Returns the name of the unpacked bundle which was used to create this machine
 	GetBundleName() (string, error)
 
+	GetSharedDirs() ([]SharedDir, error)
+
 	// GetState returns the state that the host is in (running, stopped, etc)
 	GetState() (state.State, error)
 

libmachine/drivers/rpc/client_driver.go

@@ -7,6 +7,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/code-ready/machine/libmachine/drivers"
 	"github.com/code-ready/machine/libmachine/drivers/plugin/localbinary"
 	"github.com/code-ready/machine/libmachine/state"
 	"github.com/code-ready/machine/libmachine/version"
@@ -73,6 +74,7 @@ const (
 	StartMethod           = `.Start`
 	StopMethod            = `.Stop`
 	KillMethod            = `.Kill`
+	GetSharedDirsMethod   = `.GetSharedDirs`
 )
 
 func (ic *InternalClient) Call(serviceMethod string, args interface{}, reply interface{}) error {
@@ -310,3 +312,12 @@ func (c *RPCClientDriver) Stop() error {
 func (c *RPCClientDriver) Kill() error {
 	return c.Client.Call(KillMethod, struct{}{}, nil)
 }
+
+func (c *RPCClientDriver) GetSharedDirs() ([]drivers.SharedDir, error) {
+	var sharedDirs []drivers.SharedDir
+	if err := c.Client.Call(GetSharedDirsMethod, struct{}{}, &sharedDirs); err != nil {
+		return []drivers.SharedDir{}, err
+	}
+
+	return sharedDirs, nil
+}

libmachine/drivers/rpc/server_driver.go

@@ -137,3 +137,9 @@ func (r *RPCServerDriver) Heartbeat(_ *struct{}, _ *struct{}) error {
 	r.HeartbeatCh <- true
 	return nil
 }
+
+func (r *RPCServerDriver) GetSharedDirs(_ *struct{}, reply *[]drivers.SharedDir) error {
+	sharedDirs, err := r.ActualDriver.GetSharedDirs()
+	*reply = sharedDirs
+	return err
+}