Create Snapshots with AWS Lambda

ebs_lambda.py

# Backup all in-use volumes in all regions

import boto3

def lambda_handler(event, context):
    ec2 = boto3.client('ec2')
    
    # Get list of regions
    reg = 'us-east-1'

    # Connect to region
    ec2 = boto3.client('ec2', region_name=reg)

    # Get Instance
    instance = ec2.describe_instances(Filters=[{'Name':'tag:Name','Values':['RT']}])  
    
    # Get volume ID
    volume_id = instance['Reservations'][0]['Instances'][0]['BlockDeviceMappings'][0]['Ebs']['VolumeId']

        
    print ("Backing up %s" %(volume_id) ) 

    # Create snapshot
    result = ec2.create_snapshot(VolumeId=volume_id,Description='Created by Lambda backup function ebs-snapshots')

    # Get snapshot resource 
    ec2resource = boto3.resource('ec2', region_name=reg)
    snapshot = ec2resource.Snapshot(result['SnapshotId'])


    # Add volume name to snapshot for easier identification
    snapshot.create_tags(Tags=[{'Key': 'Name','Value': 'RT'}])