Sync tags from EC2 instances to attached EBS volumes

sync_ec2_tags_ebs.py

#!/usr/bin/env python
"""
Sync tags from ec2 instances onto the volumes that are attached to them
"""
from boto import connect_ec2


def main():
    conn = connect_ec2()
    volumes = conn.get_all_volumes(filters={
                                'attachment.status': 'attached',
                                })
    for vol in volumes:
        instance_id = vol.attach_data.instance_id
        instance_tags = conn.get_all_instances(
                        instance_ids=[instance_id])[0].instances[0].tags

        # remove AWS specific tags since they are reserved for internal use
        for tag, val in instance_tags.items():
            if tag.startswith('aws:'):
                instance_tags.pop(tag)

        print 'Adding tags {0} to {1}'.format(instance_tags, vol.id)

        try:
            vol.add_tags(instance_tags)
        except:
            print 'Error adding tags to {0}'.format(vol.id)

if __name__ == '__main__':
    main()