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package imds
import (
"context"
"encoding/json"
"fmt"
"io"
"time"
"github.com/aws/smithy-go"
smithyio "github.com/aws/smithy-go/io"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
const getInstanceIdentityDocumentPath = getDynamicDataPath + "/instance-identity/document"
// GetInstanceIdentityDocument retrieves an identity document describing an
// instance. Error is returned if the request fails or is unable to parse
// the response.
func (c *Client) GetInstanceIdentityDocument(
ctx context.Context, params *GetInstanceIdentityDocumentInput, optFns ...func(*Options),
) (
*GetInstanceIdentityDocumentOutput, error,
) {
if params == nil {
params = &GetInstanceIdentityDocumentInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetInstanceIdentityDocument", params, optFns,
addGetInstanceIdentityDocumentMiddleware,
)
if err != nil {
return nil, err
}
out := result.(*GetInstanceIdentityDocumentOutput)
out.ResultMetadata = metadata
return out, nil
}
// GetInstanceIdentityDocumentInput provides the input parameters for
// GetInstanceIdentityDocument operation.
type GetInstanceIdentityDocumentInput struct{}
// GetInstanceIdentityDocumentOutput provides the output parameters for
// GetInstanceIdentityDocument operation.
type GetInstanceIdentityDocumentOutput struct {
InstanceIdentityDocument
ResultMetadata middleware.Metadata
}
func addGetInstanceIdentityDocumentMiddleware(stack *middleware.Stack, options Options) error {
return addAPIRequestMiddleware(stack,
options,
buildGetInstanceIdentityDocumentPath,
buildGetInstanceIdentityDocumentOutput,
)
}
func buildGetInstanceIdentityDocumentPath(params interface{}) (string, error) {
return getInstanceIdentityDocumentPath, nil
}
func buildGetInstanceIdentityDocumentOutput(resp *smithyhttp.Response) (v interface{}, err error) {
defer func() {
closeErr := resp.Body.Close()
if err == nil {
err = closeErr
} else if closeErr != nil {
err = fmt.Errorf("response body close error: %v, original error: %w", closeErr, err)
}
}()
var buff [1024]byte
ringBuffer := smithyio.NewRingBuffer(buff[:])
body := io.TeeReader(resp.Body, ringBuffer)
output := &GetInstanceIdentityDocumentOutput{}
if err = json.NewDecoder(body).Decode(&output.InstanceIdentityDocument); err != nil {
return nil, &smithy.DeserializationError{
Err: fmt.Errorf("failed to decode instance identity document, %w", err),
Snapshot: ringBuffer.Bytes(),
}
}
return output, nil
}
// InstanceIdentityDocument provides the shape for unmarshaling
// an instance identity document
type InstanceIdentityDocument struct {
DevpayProductCodes []string `json:"devpayProductCodes"`
MarketplaceProductCodes []string `json:"marketplaceProductCodes"`
AvailabilityZone string `json:"availabilityZone"`
PrivateIP string `json:"privateIp"`
Version string `json:"version"`
Region string `json:"region"`
InstanceID string `json:"instanceId"`
BillingProducts []string `json:"billingProducts"`
InstanceType string `json:"instanceType"`
AccountID string `json:"accountId"`
PendingTime time.Time `json:"pendingTime"`
ImageID string `json:"imageId"`
KernelID string `json:"kernelId"`
RamdiskID string `json:"ramdiskId"`
Architecture string `json:"architecture"`
}
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