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api_op_GetUserData.go (1518B)

      1 package imds
      2 
      3 import (
      4 	"context"
      5 	"io"
      6 
      7 	"github.com/aws/smithy-go/middleware"
      8 	smithyhttp "github.com/aws/smithy-go/transport/http"
      9 )
     10 
     11 const getUserDataPath = "/latest/user-data"
     12 
     13 // GetUserData uses the path provided to request information from the EC2
     14 // instance metadata service for dynamic data. The content will be returned
     15 // as a string, or error if the request failed.
     16 func (c *Client) GetUserData(ctx context.Context, params *GetUserDataInput, optFns ...func(*Options)) (*GetUserDataOutput, error) {
     17 	if params == nil {
     18 		params = &GetUserDataInput{}
     19 	}
     20 
     21 	result, metadata, err := c.invokeOperation(ctx, "GetUserData", params, optFns,
     22 		addGetUserDataMiddleware,
     23 	)
     24 	if err != nil {
     25 		return nil, err
     26 	}
     27 
     28 	out := result.(*GetUserDataOutput)
     29 	out.ResultMetadata = metadata
     30 	return out, nil
     31 }
     32 
     33 // GetUserDataInput provides the input parameters for the GetUserData
     34 // operation.
     35 type GetUserDataInput struct{}
     36 
     37 // GetUserDataOutput provides the output parameters for the GetUserData
     38 // operation.
     39 type GetUserDataOutput struct {
     40 	Content io.ReadCloser
     41 
     42 	ResultMetadata middleware.Metadata
     43 }
     44 
     45 func addGetUserDataMiddleware(stack *middleware.Stack, options Options) error {
     46 	return addAPIRequestMiddleware(stack,
     47 		options,
     48 		buildGetUserDataPath,
     49 		buildGetUserDataOutput)
     50 }
     51 
     52 func buildGetUserDataPath(params interface{}) (string, error) {
     53 	return getUserDataPath, nil
     54 }
     55 
     56 func buildGetUserDataOutput(resp *smithyhttp.Response) (interface{}, error) {
     57 	return &GetUserDataOutput{
     58 		Content: resp.Body,
     59 	}, nil
     60 }