Copy tags from EC2 instance to attached EBS volume

tag_volumes.py

#adapted from https://gist.github.com/mlapida/931c03cce1e9e43f147b
import boto3

tags_to_use = ['Owner']

def copy_tags():
    instances = boto3.resource('ec2').instances.all()
    for instance in instances:
        tags = instance.tags
        to_tag = [t for t in tags if t['Key'] in tags_to_use]
        for vol in instance.volumes.all():
            print(vol.id, instance.id,to_tag)
            if to_tag:
                vol.create_tags(Tags=to_tag)

copy_tags()