Amazon EC2 Auto Scaling
API Reference (API Version 2011-01-01)


Describes the available types of lifecycle hooks.

The following hook types are supported:

  • autoscaling:EC2_INSTANCE_LAUNCHING


Response Elements

The following element is returned by the service.


The lifecycle hook types.

Type: Array of strings

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*


For information about the errors that are common to all actions, see Common Errors.


You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling group, instance, or load balancer).

HTTP Status Code: 500


Sample Request &AutoScalingGroupName=my-asg &Version=2011-01-01 &AUTHPARAMS

Sample Response

<DescribeLifecycleHookTypesResponse xmlns=""> <DescribeLifecycleHookTypesResult> <LifecycleHookTypes> <member>autoscaling:EC2_INSTANCE_LAUNCHING</member> <member>autoscaling:EC2_INSTANCE_TERMINATING</member> </LifecycleHookTypes> </DescribeLifecycleHookTypesResult> <ResponseMetadata> <RequestId>7c6e177f-f082-11e1-ac58-3714bEXAMPLE</RequestId> </ResponseMetadata> </DescribeLifecycleHookTypesResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: