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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/aws-sdk-go-v2/service/autoscaling/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Removes one or more instances from the specified Auto Scaling group. After the
// instances are detached, you can manage them independent of the Auto Scaling
// group. If you do not specify the option to decrement the desired capacity,
// Amazon EC2 Auto Scaling launches instances to replace the ones that are
// detached. If there is a Classic Load Balancer attached to the Auto Scaling
// group, the instances are deregistered from the load balancer. If there are
// target groups attached to the Auto Scaling group, the instances are deregistered
// from the target groups. For more information, see Detach EC2 instances from
// your Auto Scaling group (https://docs.aws.amazon.com/autoscaling/ec2/userguide/detach-instance-asg.html)
// in the Amazon EC2 Auto Scaling User Guide.
func (c *Client) DetachInstances(ctx context.Context, params *DetachInstancesInput, optFns ...func(*Options)) (*DetachInstancesOutput, error) {
if params == nil {
params = &DetachInstancesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DetachInstances", params, optFns, c.addOperationDetachInstancesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DetachInstancesOutput)
out.ResultMetadata = metadata
return out, nil
}
type DetachInstancesInput struct {
// The name of the Auto Scaling group.
//
// This member is required.
AutoScalingGroupName *string
// Indicates whether the Auto Scaling group decrements the desired capacity value
// by the number of instances detached.
//
// This member is required.
ShouldDecrementDesiredCapacity *bool
// The IDs of the instances. You can specify up to 20 instances.
InstanceIds []string
noSmithyDocumentSerde
}
type DetachInstancesOutput struct {
// The activities related to detaching the instances from the Auto Scaling group.
Activities []types.Activity
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDetachInstancesMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpDetachInstances{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDetachInstances{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DetachInstances"); 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 = addOpDetachInstancesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDetachInstances(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_opDetachInstances(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DetachInstances",
}
}
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