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| Paws::AutoScaling::LifecycleHookSpecification(3) | User Contributed Perl Documentation | Paws::AutoScaling::LifecycleHookSpecification(3) |
NAME
Paws::AutoScaling::LifecycleHookSpecification
USAGE
This class represents one of two things:
Arguments in a call to a service
Use the attributes of this class as arguments to methods. You shouldn't make instances of this class. Each attribute should be used as a named argument in the calls that expect this type of object.
As an example, if Att1 is expected to be a Paws::AutoScaling::LifecycleHookSpecification object:
$service_obj->Method(Att1 => { DefaultResult => $value, ..., RoleARN => $value });
Results returned from an API call
Use accessors for each attribute. If Att1 is expected to be an Paws::AutoScaling::LifecycleHookSpecification object:
$result = $service_obj->Method(...); $result->Att1->DefaultResult
DESCRIPTION
Describes information used to specify a lifecycle hook for an Auto Scaling group.
A lifecycle hook tells Amazon EC2 Auto Scaling to perform an action on an instance when the instance launches (before it is put into service) or as the instance terminates (before it is fully terminated).
This step is a part of the procedure for creating a lifecycle hook for an Auto Scaling group:
- 1.
- (Optional) Create a Lambda function and a rule that allows CloudWatch Events to invoke your Lambda function when Amazon EC2 Auto Scaling launches or terminates instances.
- 2.
- (Optional) Create a notification target and an IAM role. The target can be either an Amazon SQS queue or an Amazon SNS topic. The role allows Amazon EC2 Auto Scaling to publish lifecycle notifications to the target.
- 3.
- Create the lifecycle hook. Specify whether the hook is used when the instances launch or terminate.
- 4.
- If you need more time, record the lifecycle action heartbeat to keep the instance in a pending state.
- 5.
- If you finish before the timeout period ends, complete the lifecycle action.
For more information, see Amazon EC2 Auto Scaling lifecycle hooks (https://docs.aws.amazon.com/autoscaling/ec2/userguide/lifecycle-hooks.html) in the Amazon EC2 Auto Scaling User Guide.
ATTRIBUTES
DefaultResult => Str
Defines the action the Auto Scaling group should take when the lifecycle hook timeout elapses or if an unexpected failure occurs. The valid values are "CONTINUE" and "ABANDON". The default value is "ABANDON".
HeartbeatTimeout => Int
The maximum time, in seconds, that can elapse before the lifecycle hook times out.
If the lifecycle hook times out, Amazon EC2 Auto Scaling performs the action that you specified in the "DefaultResult" parameter. You can prevent the lifecycle hook from timing out by calling RecordLifecycleActionHeartbeat.
REQUIRED LifecycleHookName => Str
The name of the lifecycle hook.
REQUIRED LifecycleTransition => Str
The state of the EC2 instance to which you want to attach the lifecycle hook. The valid values are:
- autoscaling:EC2_INSTANCE_LAUNCHING
- autoscaling:EC2_INSTANCE_TERMINATING
NotificationMetadata => Str
Additional information that you want to include any time Amazon EC2 Auto Scaling sends a message to the notification target.
NotificationTargetARN => Str
The ARN of the target that Amazon EC2 Auto Scaling sends notifications to when an instance is in the transition state for the lifecycle hook. The notification target can be either an SQS queue or an SNS topic.
RoleARN => Str
The ARN of the IAM role that allows the Auto Scaling group to publish to the specified notification target, for example, an Amazon SNS topic or an Amazon SQS queue.
SEE ALSO
This class forms part of Paws, describing an object used in Paws::AutoScaling
BUGS and CONTRIBUTIONS
The source code is located here: <https://github.com/pplu/aws-sdk-perl>
Please report bugs to: <https://github.com/pplu/aws-sdk-perl/issues>
| 2022-06-01 | perl v5.40.2 |
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