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[英]AWS EBS Volume - Python - Find all fields info as shown in AWS EC2 EBS Volume Console
[英]How to get a list of EBS volume in EC2 using Python
我正在嘗試使用 python 獲取 EC2 中的 EBS 卷列表。
這是我的代碼:
import boto3
import objectpath
aws_account = 'company-lab'
region = 'us-east-1'
session = boto3.Session(profile_name=aws_account, region_name=region)
ec2 = session.client("ec2")
instance_list = ec2.describe_instances()
for reservation in instance_list["Reservations"]:
for instance in reservation.get("Instances", []):
tree = objectpath.Tree(instance)
block_devices = set(tree.execute('$..BlockDeviceMappings[\'Ebs\'][\'VolumeId\']'))
block_devices = list(block_devices)
for volume_id in block_devices:
volume = ec2.Volume(volume_id)
當我嘗試時,我返回以下錯誤:
Traceback (most recent call last):
File "<stdin>", line 7, in <module>
File "C:\Users\tdun0002\AppData\Local\Programs\Python\Python38-32\lib\site-packages\botocore\client.py", line 573, in __getattr__
raise AttributeError(
AttributeError: 'EC2' object has no attribute 'Volume'
我正在嘗試使用boto3 EC2 Volume屬性。 我想獲取任何給定 EC2 實例的 EBS 卷及其大小的列表。 我怎樣才能做到這一點?
“我想獲取任何給定 EC2 實例的 EBS 卷及其大小的列表。”
下面是使用resource
方法的代碼:
import boto3
ec2_resource = boto3.resource('ec2')
for instance in ec2_resource.instances.all():
for volume in instance.volumes.all():
print(instance.id, volume.id, volume.volume_type, volume.size)
並使用client
方法:
import boto3
ec2_client = boto3.client('ec2')
response = ec2_client.describe_instances()
for reservation in response['Reservations']:
for instance in reservation['Instances']:
volumes = ec2_client.describe_volumes(
Filters=[{'Name':'attachment.instance-id','Values':[instance['InstanceId']]}]
)
for disk in volumes['Volumes']:
print(instance['InstanceId'], disk['VolumeId'], disk['VolumeType'], disk['Size'])
但是,這會導致多個 API 調用(每個實例一個DescribeInstances()
和一個DescribeVolumes()
)。
此版本僅使用對DescribeVolumes()
的單個調用並按 InstanceId 排序:
import boto3
ec2_resource = boto3.resource('ec2')
volumes = [(v.attachments[0]['InstanceId'], v.id, v.size)
for v in ec2_resource.volumes.filter(Filters=[{'Name':'attachment.status','Values':['attached']}])]
for volume in sorted(volumes):
print(volume[0], volume[1], volume[2])
這是使用client
方法的等效代碼:
import boto3
ec2_client = boto3.client('ec2')
response = ec2_client.describe_volumes(Filters=[{'Name':'attachment.status','Values':['attached']}])
volumes = [(v['Attachments'][0]['InstanceId'], v['VolumeId'], v['Size']) for v in response['Volumes']]
for volume in sorted(volumes):
print(volume[0], volume[1], volume[2])
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