Boto3 获取 EC2 CPUOptions 时出现问题

Question

【以下的问题经过翻译处理】 我在获取EC2实例的某些值方面遇到了问题。例如，要获取CPU选项。
'''
import json
import boto3

def lambda_handler(event, context):
    s_region = "us-east-1"
    instance_ids = []
    ec2 = boto3.client('ec2', region_name=s_region)
    print(boto3.version)
    print(" ")
    response = ec2.describe_instances()
    instances_full_details = response['Reservations']
    for instance_detail in instances_full_details:
        group_instances = instance_detail['Instances']
        for instance in group_instances:
            instance_id = instance['InstanceId']
            print("ID: " + instance_id)
            s_temp = instance.get("InstanceType")
            print('InstanceType=' + s_temp)
            temp = instance.get("cpu_options")
            s_temp = str(temp.keys())
'''
这个给了我一个错误。
"'NoneType' object has no attribute 'keys'"

基本上，我想获取所有EC2实例属性。一些工作正常，而其他一些则有问题。这里是另一个尝试获取标签值的示例。

```
    s_temp = instance.get("tags")
    if s_temp == "NoneType":
        s_print = "N/A"
    elif s_temp == "None":
        s_print = "N/A"
    else:
        s_print = str(s_temp)
    print("Tags: " + s_print)
```

它总是返回"None"。

对我来说，Boto3如何返回数据非常令人困惑。谢谢...

Answer

【以下的回答经过翻译处理】 您可以通过以下代码检查“InstanceType”和“cpu_options”。

另外，“instance.get()”函数不存在，会导致错误。

如果实例标签未设置，则不会输出任何内容。

```
import json
import boto3

def lambda_handler(event, context): 
    s_region = "ap-northeast-1" 
    instance_ids = [] 
    ec2 = boto3.client('ec2', region_name=s_region) 
    print(boto3.__version__) 
    print(" ") 
    response = ec2.describe_instances(InstanceIds=instance_ids) 
    instances_full_details = response['Reservations'] 
    for instance_detail in instances_full_details: 
        group_instances = instance_detail['Instances'] 
        for instance in group_instances: 
            instance_id = instance['InstanceId'] 
            print("ID: " + instance_id) 
            print(instance['InstanceType'])
            print(instance['CpuOptions'])
#            s_temp = instance.get("InstanceType") 
#            print('InstanceType=' + s_temp) 
#            temp = instance.get("cpu_options") 
#            s_temp = str(temp.keys())

```

Boto3 获取 EC2 CPUOptions 时出现问题

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