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// Code generated by smithy-go-codegen DO NOT EDIT.
package autoscaling
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/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Attaches one or more EC2 instances to the specified Auto Scaling group. When
// you attach instances, Amazon EC2 Auto Scaling increases the desired capacity of
// the group by the number of instances being attached. If the number of instances
// being attached plus the desired capacity of the group exceeds the maximum size
// of the group, the operation fails. If there is a Classic Load Balancer attached
// to your Auto Scaling group, the instances are also registered with the load
// balancer. If there are target groups attached to your Auto Scaling group, the
// instances are also registered with the target groups. For more information, see
// Attach EC2 instances to your Auto Scaling group (https://docs.aws.amazon.com/autoscaling/ec2/userguide/attach-instance-asg.html)
// in the Amazon EC2 Auto Scaling User Guide.
func (c *Client) AttachInstances(ctx context.Context, params *AttachInstancesInput, optFns ...func(*Options)) (*AttachInstancesOutput, error) {
if params == nil {
params = &AttachInstancesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "AttachInstances", params, optFns, c.addOperationAttachInstancesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*AttachInstancesOutput)
out.ResultMetadata = metadata
return out, nil
}
type AttachInstancesInput struct {
// The name of the Auto Scaling group.
//
// This member is required.
AutoScalingGroupName *string
// The IDs of the instances. You can specify up to 20 instances.
InstanceIds []string
noSmithyDocumentSerde
}
type AttachInstancesOutput struct {
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationAttachInstancesMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpAttachInstances{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpAttachInstances{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "AttachInstances"); 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 = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpAttachInstancesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opAttachInstances(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_opAttachInstances(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "AttachInstances",
}
}
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