[英]Boto3 Backup Waiters
我有一個腳本可以自動從 AWS Backups 還原作業。
我正在從 boto3 的這個文檔中獲取指導: https ://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/backup.html
我正在使用函數start_restore_job()
來開始一項工作,然后describe_restore_job()
來查詢CreatedResourceArn
啟動還原作業后,我需要等待還原完成,以便查詢CreatedResourceArn 。 這里的問題是 AWS Backup 的文檔中沒有定義任何服務員。 有人知道怎么做嗎?
另外,通過文檔,我看到了函數get_waiter()
:
當沒有為 AWS Backup 定義等待程序時,為什么此功能可用?
看起來不存在這樣的服務員,但是您可以像這樣創建自己的客戶服務員:
import boto3
from botocore.waiter import WaiterModel
from botocore.waiter import create_waiter_with_client
client = boto3.client('backup')
waiter_name = "BackupCompleted"
waiter_config = {
"version": 2,
"waiters": {
"BackupCompleted": {
"operation": "DescribeRestoreJob",
"delay": 60, # Number of seconds to delay
"maxAttempts": 5, # Max attempts before failure
"acceptors": [
{
"matcher": "path",
"expected": "COMPLETED",
"argument": "Status",
"state": "success"
},
{
"matcher": "path",
"expected": "ABORTED",
"argument": "Status",
"state": "failure"
},
{
"matcher": "path",
"expected": "FAILED",
"argument": "Status",
"state": "failure"
}
]
}
}
}
waiter_model = WaiterModel(waiter_config)
backup_waiter = create_waiter_with_client(waiter_name, waiter_model, client)
backup_waiter.wait(RestoreJobId='MyRestoreJobId')
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