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Boto3 備份服務員

[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()

在此處輸入圖片說明

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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