Get an Amazon Elastic Beanstalk environment's name from inside one of its instances

EC2-Describe-IAM-policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": [
        "ec2:Describe*"
      ],
      "Effect": "Allow",
      "Resource": "*"
    }
  ]
}

get-eb-env-name.py

#!/usr/bin/env python

import boto.utils
import boto.ec2

iid_doc = boto.utils.get_instance_identity()['document']
region = iid_doc['region']
instance_id = iid_doc['instanceId']

ec2 = boto.ec2.connect_to_region(region)
instance = ec2.get_only_instances(instance_ids=[instance_id])[0]
env = instance.tags['elasticbeanstalk:environment-name']

print(env)

Thanks for the refinement, @Melvin-mlp.

For those of you who did find this through Google, there's more detail in my blog article on how to find the name of an Elastic Beanstalk environment from inside one of its instances.