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// Code generated by smithy-go-codegen DO NOT EDIT.
package elasticloadbalancing
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/elasticloadbalancing/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Adds the specified instances to the specified load balancer.
//
// The instance must be a running instance in the same network as the load
// balancer (EC2-Classic or the same VPC). If you have EC2-Classic instances and a
// load balancer in a VPC with ClassicLink enabled, you can link the EC2-Classic
// instances to that VPC and then register the linked EC2-Classic instances with
// the load balancer in the VPC.
//
// Note that RegisterInstanceWithLoadBalancer completes when the request has been
// registered. Instance registration takes a little time to complete. To check the
// state of the registered instances, use DescribeLoadBalancersor DescribeInstanceHealth.
//
// After the instance is registered, it starts receiving traffic and requests from
// the load balancer. Any instance that is not in one of the Availability Zones
// registered for the load balancer is moved to the OutOfService state. If an
// Availability Zone is added to the load balancer later, any instances registered
// with the load balancer move to the InService state.
//
// To deregister instances from a load balancer, use DeregisterInstancesFromLoadBalancer.
//
// For more information, see [Register or De-Register EC2 Instances] in the Classic Load Balancers Guide.
//
// [Register or De-Register EC2 Instances]: https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-deregister-register-instances.html
func (c *Client) RegisterInstancesWithLoadBalancer(ctx context.Context, params *RegisterInstancesWithLoadBalancerInput, optFns ...func(*Options)) (*RegisterInstancesWithLoadBalancerOutput, error) {
if params == nil {
params = &RegisterInstancesWithLoadBalancerInput{}
}
result, metadata, err := c.invokeOperation(ctx, "RegisterInstancesWithLoadBalancer", params, optFns, c.addOperationRegisterInstancesWithLoadBalancerMiddlewares)
if err != nil {
return nil, err
}
out := result.(*RegisterInstancesWithLoadBalancerOutput)
out.ResultMetadata = metadata
return out, nil
}
// Contains the parameters for RegisterInstancesWithLoadBalancer.
type RegisterInstancesWithLoadBalancerInput struct {
// The IDs of the instances.
//
// This member is required.
Instances []types.Instance
// The name of the load balancer.
//
// This member is required.
LoadBalancerName *string
noSmithyDocumentSerde
}
// Contains the output of RegisterInstancesWithLoadBalancer.
type RegisterInstancesWithLoadBalancerOutput struct {
// The updated list of instances for the load balancer.
Instances []types.Instance
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationRegisterInstancesWithLoadBalancerMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpRegisterInstancesWithLoadBalancer{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpRegisterInstancesWithLoadBalancer{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "RegisterInstancesWithLoadBalancer"); 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 = addTimeOffsetBuild(stack, c); err != nil {
return err
}
if err = addUserAgentRetryMode(stack, options); err != nil {
return err
}
if err = addOpRegisterInstancesWithLoadBalancerValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opRegisterInstancesWithLoadBalancer(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_opRegisterInstancesWithLoadBalancer(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "RegisterInstancesWithLoadBalancer",
}
}
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