AWS Lambda is a server less computing service that allows users to run code for applications and back end services without managing servers.

Create a instance

create lambda function

function name stopec2

Create a new role with basic Lambda permissions; create function

configuration; edit

timeout 5min; save

permission; choose role

open therole; attach policies

add ec2fullpermissions

now write code; mention service_name, region_name,tag,values then test; function name each.stop() using stop instance; when you want start instance using function each.start().

import json import boto3

ec2 = boto3.client('ec2')

def lambda_handler(event,context):

response = ec2.stop_instances(InstanceIds=["i-05d5d81c58986c020"])

return { 'statusCode':200, 'body':json.dumps(response) }

Configure test event

event name-stopec2; save

test code

now see instance stopped

now start_ec2

test code

now see instance started