Tag elastic ips with their instance name using boto 3

tag-eip-instance-name.py

import boto3

ec2 = boto3.client('ec2', region_name='us-east-2')

addresses = ec2.describe_addresses()['Addresses']

for address in addresses:
    if 'InstanceId' not in address:
        continue

    instance = ec2.describe_instances(
        InstanceIds=[
            address['InstanceId']
        ]
    )['Reservations'][0]['Instances'][0]
    tags = instance['Tags']
    name = tags

    name = [tag['Value'] for tag in tags if tag['Key'] == 'Name'][0]

    if name:
        response = ec2.create_tags(
            Resources=[
                address['AllocationId'],
            ],
            Tags=[
                {
                    'Key': 'Name',
                    'Value': name
                }
            ]
        )