从关联的 AMI 获取快照 ID 列表

Question

我正在使用 boto3 尝试获取与其 AMI 关联的快照的快照 ID。

到目前为止我有这个：

#!/usr/bin/env python
import boto3
ec2_client = boto3.client('ec2', region_name='REGION')
owner_id = 'ACCOUNT_ID'
all_images = {}
all_used_images = []

# Pull all AMIs owned by the account
amis_response = ec2_client.describe_images(
            Filters=[
                {
                    'Name': 'root-device-type',
                    'Values': [ 'ebs']
                },
            ],
            Owners=[ owner_id ]
            )

# Get list of snapshots associated with AMIs
for image_info in amis_response['Images']:
    image_id = image_info['ImageId']
    print (image_id)
    snapshot_ids = []
    for device_map in image_info['BlockDeviceMappings']:
        snapshot_ids.append(device_map['Ebs']['SnapshotId'])
    all_images[image_id] = snapshot_ids

amis_response 提取帐户中的所有 ami 信息，但是当我尝试获取快照列表时，我不断收到：

snapshot_ids.append(device_map['Ebs']['SnapshotId'])
KeyError: 'Ebs'

我错过了什么？

当我打印 amis_response 的输出时，我看到：

u'BlockDeviceMappings': [{u'DeviceName': '/dev/sda1', u'Ebs': {u'SnapshotId': 'snap-0f5b70d9ddaa7b2e1'

Answer 1

Ebs 可能不会出现在每个输出中。您可以检查一下：

    for device_map in image_info['BlockDeviceMappings']:
        if 'Ebs' in device_map:
           snapshot_ids.append(device_map['Ebs']['SnapshotId'])
        else:
           print('No Ebs info for', image_id) 
    all_images[image_id] = snapshot_ids

从关联的 AMI 获取快照 ID 列表

Getting A List of Snapshot IDs From Their Associated AMI

snapshot

amazon-web-services

boto3