批量计算云服务器年末特惠

import boto3
from botocore.exceptions import ClientError

# 初始化AWS EC2客户端
ec2_client = boto3.client('ec2')

def get_instance_metrics(instance_id):
    try:
        response = ec2_client.describe_instance_monitoring(InstanceId=instance_id)
        return response['InstanceMonitorings'][0]['CPUUtilization']
    except ClientError as e:
        print(f"Error retrieving metrics: {e}")
        return None

def scale_up_instance(instance_id, new_instance_type):
    try:
        response = ec2_client.modify_instance_attribute(
            InstanceId=instance_id,
            Attribute='instanceType',
            Value=new_instance_type
        )
        print(f"Instance {instance_id} upgraded to {new_instance_type}")
    except ClientError as e:
        print(f"Error scaling up instance: {e}")

# 示例：监控实例并自动扩容
instance_id = 'i-1234567890abcdef0'
cpu_threshold = 80  # 设置CPU使用率阈值
new_instance_type = 't3.large'  # 定义扩容后的实例类型

cpu_utilization = get_instance_metrics(instance_id)
if cpu_utilization and cpu_utilization > cpu_threshold:
    scale_up_instance(instance_id, new_instance_type)