如何使用python boto3模块查询AWS以获取ELB名称和附加实例? [英] How to query AWS to get ELB names and attached instances to that using python boto3 modules?

问题描述

我无法使用boto3查找代码.我可以分别获取elb名称和InstanceID，但是无法将它们链接在一起以找到ELB名称的附加实例.

I cant find code with boto3. I'm able to get elb name and InstanceID separately but cant link them together to find attached instances to ELB names.

推荐答案

这是我的解决方案，可以使它起作用.谢谢约翰.

This is my solution which I got it to work. Thank you John.

elbList = boto3.client('elb')
ec2 = boto3.resource('ec2')

bals = elbList.describe_load_balancers()
for elb in bals['LoadBalancerDescriptions']:
    print 'ELB DNS Name : ' + elb['DNSName']
    for ec2Id in elb['Instances']:
        running_instances = \
            ec2.instances.filter(Filters=[{'Name': 'instance-state-name'
                                 , 'Values': ['running']},
                                 {'Name': 'instance-id',
                                 'Values': [ec2Id['InstanceId']]}])
        for instance in running_instances:
            print("              Instance : " + instance.public_dns_name);

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