CODEWITHSUNDEEP
amazon-web-servicesamazon-ec2
Vikas Tiwari
Vikas Tiwari

Reputation: 537

Check elastic IP attached to an ec2 instance using boto3

How to check if the public IP address attached to an instance is Elastic or not, using boto3 ?

Is there a method that i can call and get this information ?

Upvotes: 1

Views: 1049

Answers (1)

John Rotenstein
John Rotenstein

Reputation: 269370

It appears that Network Interface association has an owner field:

"NetworkInterfaces": [
    {
        "Status": "in-use", 
        "MacAddress": "06:68:22:33:44:c1", 
        "SourceDestCheck": true, 
        "VpcId": "vpc-1234", 
        "Description": "", 
        "Association": {
            "PublicIp": "13.54.133.222", 
            "PublicDnsName": "ec2-13-54-133-222.ap-southeast-2.compute.amazonaws.com", 
            "IpOwnerId": "amazon"
        },

The IpOwnerId is either the AWS Account number (for an Elastic IP address) or amazon (for a temporary public IP address).

You can retrieve it with:

aws ec2 describe-instances --query 'Reservations[*].Instances[*].NetworkInterfaces[*].Association.[PublicIp,IpOwnerId]'

You could similarly access this information via boto3.

Upvotes: 2

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