opentofu/plugin/ui_input.go
Mitchell Hashimoto 84214437b3 Use hashicorp/go-plugin for plugin system
This replaces this plugin system with the extracted hashicorp/go-plugin
library.

This doesn't introduce any new features such as binary flattening but
opens us up to that a lot more easily and removes a lot of code from TF
in favor of the upstream lib.

This will introduce a protocol change that will cause all existing
plugins to have to be recompiled to work properly. There is no actual
API changes so they just have to recompile, but it is technically
backwards incompatible.
2016-05-10 14:14:47 -04:00

52 lines
1014 B
Go

package plugin
import (
"net/rpc"
"github.com/hashicorp/go-plugin"
"github.com/hashicorp/terraform/terraform"
)
// UIInput is an implementatin of terraform.UIInput that communicates
// over RPC.
type UIInput struct {
Client *rpc.Client
}
func (i *UIInput) Input(opts *terraform.InputOpts) (string, error) {
var resp UIInputInputResponse
err := i.Client.Call("Plugin.Input", opts, &resp)
if err != nil {
return "", err
}
if resp.Error != nil {
err = resp.Error
return "", err
}
return resp.Value, nil
}
type UIInputInputResponse struct {
Value string
Error *plugin.BasicError
}
// UIInputServer is a net/rpc compatible structure for serving
// a UIInputServer. This should not be used directly.
type UIInputServer struct {
UIInput terraform.UIInput
}
func (s *UIInputServer) Input(
opts *terraform.InputOpts,
reply *UIInputInputResponse) error {
value, err := s.UIInput.Input(opts)
*reply = UIInputInputResponse{
Value: value,
Error: plugin.NewBasicError(err),
}
return nil
}