More IMDSv2 tokens.

httpd-to-cloudwatch.py

 #!/usr/bin/python
 
 import boto3
-import urllib2
-import json
+import requests
 import sys
 #import re
 #import tempfile
@@ -41,8 +40,8 @@ def main():
 
 # Returns the region the instance is currently running in (eg: 'us-east')
 def get_region():
-  instance_info = urllib2.urlopen('http://169.254.169.254/2018-09-24/dynamic/instance-identity/document/').read()
-  instance_info = json.loads(instance_info)
+  session_token = requests.put('http://169.254.169.254/latest/api/token', headers={'X-aws-ec2-metadata-token-ttl-seconds': 60}).text
+  instance_info = requests.get('http://169.254.169.254/2018-09-24/dynamic/instance-identity/document/', headers={'X-aws-ec2-metadata-token': session_token}).json()
   return instance_info['region']
 
 # Returns the instance_id of this VM.