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// Code generated by smithy-go-codegen DO NOT EDIT.
package ebs
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/ebs/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"io"
)
// Returns the data in a block in an Amazon Elastic Block Store snapshot. You
// should always retry requests that receive server ( 5xx ) error responses, and
// ThrottlingException and RequestThrottledException client error responses. For
// more information see Error retries (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/error-retries.html)
// in the Amazon Elastic Compute Cloud User Guide.
func (c *Client) GetSnapshotBlock(ctx context.Context, params *GetSnapshotBlockInput, optFns ...func(*Options)) (*GetSnapshotBlockOutput, error) {
if params == nil {
params = &GetSnapshotBlockInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetSnapshotBlock", params, optFns, c.addOperationGetSnapshotBlockMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetSnapshotBlockOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetSnapshotBlockInput struct {
// The block index of the block in which to read the data. A block index is a
// logical index in units of 512 KiB blocks. To identify the block index, divide
// the logical offset of the data in the logical volume by the block size (logical
// offset of data/ 524288 ). The logical offset of the data must be 512 KiB
// aligned.
//
// This member is required.
BlockIndex *int32
// The block token of the block from which to get data. You can obtain the
// BlockToken by running the ListChangedBlocks or ListSnapshotBlocks operations.
//
// This member is required.
BlockToken *string
// The ID of the snapshot containing the block from which to get data. If the
// specified snapshot is encrypted, you must have permission to use the KMS key
// that was used to encrypt the snapshot. For more information, see Using
// encryption (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebsapis-using-encryption.html)
// in the Amazon Elastic Compute Cloud User Guide.
//
// This member is required.
SnapshotId *string
noSmithyDocumentSerde
}
type GetSnapshotBlockOutput struct {
// The data content of the block.
BlockData io.ReadCloser
// The checksum generated for the block, which is Base64 encoded.
Checksum *string
// The algorithm used to generate the checksum for the block, such as SHA256.
ChecksumAlgorithm types.ChecksumAlgorithm
// The size of the data in the block.
DataLength *int32
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetSnapshotBlockMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpGetSnapshotBlock{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetSnapshotBlock{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "GetSnapshotBlock"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpGetSnapshotBlockValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetSnapshotBlock(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opGetSnapshotBlock(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "GetSnapshotBlock",
}
}
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