Help Center/ Auto Scaling/ API Reference/ APIs/ Lifecycle Hooks/ Querying a Lifecycle Hook

Updated on 2023-04-21 GMT+08:00

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Querying a Lifecycle Hook

Function

This interface is used to query details about a specified lifecycle hook by AS group ID and lifecycle hook name.

URI

GET /autoscaling-api/v1/{project_id}/scaling_lifecycle_hook/{scaling_group_id}/{lifecycle_hook_name}

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Specifies the project ID.
scaling_group_id	Yes	String	Specifies the AS group ID.
lifecycle_hook_name	Yes	String	Specifies the lifecycle hook name.

Request Message

Request parameters
None
Example request
This example shows how to query details about the lifecycle hook named test-hook1 of the AS group with ID e5d27f5c-dd76-4a61-b4bc-a67c5686719a.
```
GET https://{Endpoint}/autoscaling-api/v1/{project_id}/scaling_lifecycle_hook/e5d27f5c-dd76-4a61-b4bc-a67c5686719a/test-hook1
```

Response Message

Response parameters

**Table 2** Response parameters
Parameter	Type	Description
lifecycle_hook_name	String	Specifies the lifecycle hook name.
lifecycle_hook_type	String	Specifies the lifecycle hook type. INSTANCE_TERMINATING INSTANCE_LAUNCHING
default_result	String	Specifies the default lifecycle hook callback operation. ABANDON CONTINUE
default_timeout	Integer	Specifies the lifecycle hook timeout duration in the unit of second.
notification_topic_urn	String	Specifies a unique topic in SMN.
notification_topic_name	String	Specifies the topic name in SMN.
notification_metadata	String	Specifies the customized notification.
create_time	String	Specifies the time when the lifecycle hook is created. The time is UTC-compliant.

Example response

{
    "lifecycle_hook_name": "test-hook1",
    "default_result": "CONTINUE",
    "default_timeout": 3600,
    "notification_topic_urn": "urn:smn:regionId:b53e5554fad0494d96206fb84296510b:gsh",
    "notification_topic_name": "gsh",
    "lifecycle_hook_type": "INSTANCE_LAUNCHING",
    "notification_metadata": null,
    "create_time": "2016-11-18T04:01:34Z"
}

Returned Values

Normal
200

Abnormal

Returned Value	Description
400 Bad Request	The server failed to process the request.
401 Unauthorized	You must enter the username and password to access the requested page.
403 Forbidden	You are forbidden to access the requested page.
404 Not Found	The server could not find the requested page.
405 Method Not Allowed	You are not allowed to use the method specified in the request.
406 Not Acceptable	The response generated by the server could not be accepted by the client.
407 Proxy Authentication Required	You must use the proxy server for authentication to process the request.
408 Request Timeout	The request timed out.
409 Conflict	The request could not be processed due to a conflict.
500 Internal Server Error	Failed to complete the request because of an internal service error.
501 Not Implemented	Failed to complete the request because the server does not support the requested function.
502 Bad Gateway	Failed to complete the request because the request is invalid.
503 Service Unavailable	Failed to complete the request because the system is unavailable.
504 Gateway Timeout	A gateway timeout error occurred.