Question

我有以下lambda函数，该函数使用AutoOff_uat标记停止所有Ec-2实例。如果我想在两个区域us-east-1和us-east-2上运行此lambda。我需要进行哪些修改

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Answer 1

您可以在创建区域时将区域传递给资源

ec2 = boto3.resource('ec2', region_name='us-east-2')

我建议将所有代码包装在一个以区域为参数的函数中，然后遍历要操作的区域列表。

import boto3
import logging

#setup simple logging for INFO
logger = logging.getLogger()
logger.setLevel(logging.INFO)


def shutdown_instances(region):
    #define the connection
    ec2 = boto3.resource('ec2', region=region)

    # Use the filter() method of the instances collection to retrieve
    # all running EC2 instances.
    filters = [{
            'Name': 'tag:AutoOff_uat',
            'Values': ['True']
        },
        {
            'Name': 'instance-state-name', 
            'Values': ['running']
        }
    ]

    #filter the instances
    instances = ec2.instances.filter(Filters=filters)

    #locate all running instances
    RunningInstances = [instance.id for instance in instances]

    #print the instances for logging purposes
    #print RunningInstances 

    #make sure there are actually instances to shut down. 


def lambda_handler(event, context):
    for region in ['us-east-1', 'us-east-2']:
        shutdown_instances(region)

如何在所有AWS区域中调用Lambda函数？

1 个答案: