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api_op_AttachInstances.go
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api_op_AttachInstances.go
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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/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] in the Amazon EC2 Auto Scaling User Guide.
//
// [Attach EC2 instances to your Auto Scaling group]: https://docs.aws.amazon.com/autoscaling/ec2/userguide/attach-instance-asg.html
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 = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = 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 = 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",
}
}