AWS - AutoTag Snapshot's from Cloudwatch

Autotag Role

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Action": [
                "cloudtrail:LookupEvents"
            ],
            "Resource": [
                "*"
            ],
            "Effect": "Allow",
            "Sid": "Stmt1458923097000"
        },
        {
            "Action": [
                "ec2:CreateTags",
                "ec2:Describe*",
                "logs:CreateLogGroup",
                "logs:CreateLogStream",
                "logs:PutLogEvents"
            ],
            "Resource": [
                "*"
            ],
            "Effect": "Allow",
            "Sid": "Stmt1458923121000"
        }
    ]
}

Cloudwatch Event Rule

{
  "source": [
    "aws.ec2"
  ],
  "detail-type": [
    "EBS Snapshot Notification"
  ],
  "detail": {
    "event": [
      "createSnapshot"
    ],
    "result": [
      "succeeded"
    ]
  }
}

Lambda Function

# Create Lamda Function.Python2.7

import boto3
import json
def lambda_handler(event, context):
# Get volumeid and snapid from json
    volumeid = str(json.dumps(event['detail']['source']))
    volumeid = volumeid.split('/')[1]
    volumeid = volumeid.replace('"','')
    snapid = str(json.dumps(event['detail']['snapshot_id']))
    snapid = snapid.split('/')[1]
    snapid = snapid.replace('"','')
#Get Tags from VolumeID
    ec2 = boto3.resource('ec2')
    volume = ec2.Volume(volumeid)
    v = volume.tags
# apply tags to snapshot
    for tag in v:
        response = ec2.create_tags(
    Resources=[
        snapid,
    ],
    Tags=[
        {
            'Key': tag['Key'],
            'Value': tag['Value'],
        },
    ],
)