docs/libmachine/persist/plugin_store.go

61 lines
1.5 KiB
Go

package persist
import (
"github.com/docker/machine/drivers/errdriver"
"github.com/docker/machine/libmachine/drivers"
"github.com/docker/machine/libmachine/drivers/plugin/localbinary"
"github.com/docker/machine/libmachine/drivers/rpc"
"github.com/docker/machine/libmachine/host"
)
type PluginDriverFactory interface {
NewPluginDriver(driverName string, rawDriver []byte) (drivers.Driver, error)
}
type RPCPluginDriverFactory struct{}
type PluginStore struct {
*Filestore
PluginDriverFactory
}
func (factory RPCPluginDriverFactory) NewPluginDriver(driverName string, rawDriver []byte) (drivers.Driver, error) {
d, err := rpcdriver.NewRPCClientDriver(driverName, rawDriver)
if err != nil {
// Not being able to find a driver binary is a "known error"
if _, ok := err.(localbinary.ErrPluginBinaryNotFound); ok {
return errdriver.NewDriver(driverName), nil
}
return nil, err
}
if driverName == "virtualbox" {
return drivers.NewSerialDriver(d), nil
}
return d, nil
}
func NewPluginStore(path, caCertPath, caPrivateKeyPath string) *PluginStore {
return &PluginStore{
Filestore: NewFilestore(path, caCertPath, caPrivateKeyPath),
PluginDriverFactory: RPCPluginDriverFactory{},
}
}
func (ps PluginStore) Load(name string) (*host.Host, error) {
h, err := ps.Filestore.Load(name)
if err != nil {
return nil, err
}
d, err := ps.NewPluginDriver(h.DriverName, h.RawDriver)
if err != nil {
return nil, err
}
h.Driver = d
return h, nil
}