api_op_GetUserData.go

Documentation: github.com/aws/aws-sdk-go-v2/feature/ec2/imds

     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  		"GetUserData",
    49  		buildGetUserDataPath,
    50  		buildGetUserDataOutput)
    51  }
    52  
    53  func buildGetUserDataPath(params interface{}) (string, error) {
    54  	return getUserDataPath, nil
    55  }
    56  
    57  func buildGetUserDataOutput(resp *smithyhttp.Response) (interface{}, error) {
    58  	return &GetUserDataOutput{
    59  		Content: resp.Body,
    60  	}, nil
    61  }
    62
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