Python / Boto3-无法获取'CWAgent'或'AWS / EBS'名称空间的EC2 CloudWatch指标并导出到CSV

问题描述

我正在尝试获取所有实例的“警报状态”，无论是在“确定”，“警报”还是“数据不足”中，然后将其导出到CSV文件。

我只能获得CPUUtilization，但不能获得其他任何东西。例如“ BurstBalance”，CPUCreditBalance和mem_used_percent。

我被困住了，我想念什么？谢谢

这是我的代码：

import itertools
import boto3

regions = [
    'us-west-2','eu-central-1','us-east-2',]

ec2_data = []
for region in regions:

    ec2 = boto3.resource('ec2',region_name=region)

    running_instances = ec2.instances.filter(Filters=[{
        'Name': 'instance-state-name','Values': ['running']}])

    cw = boto3.client('cloudwatch',region_name=region)

    for instance in running_instances:

        instance_profile = 'N/A'

        if instance.iam_instance_profile:
            instance_profile = instance.iam_instance_profile['Arn']

        # print(region,instance.id,instance.instance_type,instance_profile)

        alarms = cw.describe_alarms_for_metric(
            Namespace='AWS/EC2',MetricName='CPUUtilization',Dimensions=[
                {
                    'Name': 'InstanceId','Value': instance.id
                }],)

        if 'MetricAlarms' in alarms:
            for alarm in alarms['MetricAlarms']:
                output = [({alarm['AlarmName']},{alarm['StateValue']},region,instance_profile)]
                ec2_data.append(output)

        alarms2 = cw.describe_alarms_for_metric(
            Namespace='CWAgent',MetricName='mem_used_percent',)

        if 'MetricAlarms' in alarms2:
            for alarm in alarms2['MetricAlarms']:
                output = [({alarm['AlarmName']},instance_profile)]
                ec2_data.append(output)

output = list(itertools.chain(*ec2_data))
with open("ec2-inventory-latest.csv","w",newline="") as f:
    writer = csv.writer(f)
    writer.writerow(['Alarm Name','Alarm State','Region','Instance ID','profile',])
    for item in output:
        writer.writerow(item)```

解决方法

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