github.com/sl1pm4t/terraform@v0.6.4-0.20170725213156-870617d22df3/plugin/ui_input.go (about)

     1  package plugin
     2  
     3  import (
     4  	"net/rpc"
     5  
     6  	"github.com/hashicorp/go-plugin"
     7  	"github.com/hashicorp/terraform/terraform"
     8  )
     9  
    10  // UIInput is an implementatin of terraform.UIInput that communicates
    11  // over RPC.
    12  type UIInput struct {
    13  	Client *rpc.Client
    14  }
    15  
    16  func (i *UIInput) Input(opts *terraform.InputOpts) (string, error) {
    17  	var resp UIInputInputResponse
    18  	err := i.Client.Call("Plugin.Input", opts, &resp)
    19  	if err != nil {
    20  		return "", err
    21  	}
    22  	if resp.Error != nil {
    23  		err = resp.Error
    24  		return "", err
    25  	}
    26  
    27  	return resp.Value, nil
    28  }
    29  
    30  type UIInputInputResponse struct {
    31  	Value string
    32  	Error *plugin.BasicError
    33  }
    34  
    35  // UIInputServer is a net/rpc compatible structure for serving
    36  // a UIInputServer. This should not be used directly.
    37  type UIInputServer struct {
    38  	UIInput terraform.UIInput
    39  }
    40  
    41  func (s *UIInputServer) Input(
    42  	opts *terraform.InputOpts,
    43  	reply *UIInputInputResponse) error {
    44  	value, err := s.UIInput.Input(opts)
    45  	*reply = UIInputInputResponse{
    46  		Value: value,
    47  		Error: plugin.NewBasicError(err),
    48  	}
    49  
    50  	return nil
    51  }