Лучший способ - копировать файлы по мере их создания, вызывая лямбда-функцию, используя событие наблюдения за облаком.
См. Пошаговую инструкцию:
https://geektopia.tech/post.php?blogpost=Automating_The_Cross_Region_Copy_Of_RDS_Snapshots
Кроме того, вы можете выдать копию для каждого снимка независимо от даты. Клиент вызовет исключение, и вы можете перехватить его следующим образом
# Written By GeekTopia
#
# Copy All Snapshots for an RDS Instance To a new region
# --Free to use under all conditions
# --Script is provied as is. No Warranty, Express or Implied
import json
import boto3
from botocore.exceptions import ClientError
import time
destinationRegion = "us-east-1"
sourceRegion = 'us-west-2'
rdsInstanceName = 'needbackups'
def lambda_handler(event, context):
#We need two clients
# rdsDestinationClient -- Used to start the copy processes. All cross region
copies must be started from the destination and reference the source
# rdsSourceClient -- Used to list the snapshots that need to be copied.
rdsDestinationClient = boto3.client('rds',region_name=destinationRegion)
rdsSourceClient=boto3.client('rds',region_name=sourceRegion)
#List All Automated for A Single Instance
snapshots = rdsSourceClient.describe_db_snapshots(DBInstanceIdentifier=rdsInstanceName,SnapshotType='automated')
for snapshot in snapshots['DBSnapshots']:
#Check the the snapshot is NOT in the process of being created
if snapshot['Status'] == 'available':
#Get the Source Snapshot ARN. - Always use the ARN when copying snapshots across region
sourceSnapshotARN = snapshot['DBSnapshotArn']
#build a new snapshot name
sourceSnapshotIdentifer = snapshot['DBSnapshotIdentifier']
targetSnapshotIdentifer ="{0}-ManualCopy".format(sourceSnapshotIdentifer)
targetSnapshotIdentifer = targetSnapshotIdentifer.replace(":","-")
#Adding a delay to stop from reaching the api rate limit when there are large amount of snapshots -
#This should never occur in this use-case, but may if the script is modified to copy more than one instance.
time.sleep(.2)
#Execute copy
try:
copy = rdsDestinationClient.copy_db_snapshot(SourceDBSnapshotIdentifier=sourceSnapshotARN,TargetDBSnapshotIdentifier=targetSnapshotIdentifer,SourceRegion=sourceRegion)
print("Started Copy of Snapshot {0} in {2} to {1} in {3} ".format(sourceSnapshotIdentifer,targetSnapshotIdentifer,sourceRegion,destinationRegion))
except ClientError as ex:
if ex.response['Error']['Code'] == 'DBSnapshotAlreadyExists':
print("Snapshot {0} already exist".format(targetSnapshotIdentifer))
else:
print("ERROR: {0}".format(ex.response['Error']['Code']))
return {
'statusCode': 200,
'body': json.dumps('Opearation Complete')
}