Python Code to Stop AWS EC2 Instances Using Filters

import sys

import boto3

from botocore.exceptions import ClientError

region = 'xx-east-x'

InstanceList = []

try:

        ec2 = boto3.client('ec2', region_name=region)

except Exception as e:

        print(e)

        sys.exit(1)

response = ec2.describe_instances(

        Filters=[{

'Name': '<tagname>',

'Values': ['<value>']

},

                {

                        'Name' : 'instance-state-name',

                        'Values' : ['stopped']

                }]

)

#print (response)

for reservation in response['Reservations']:

for instance in reservation['Instances']:

InstanceList.append(instance['InstanceId'])

#print InstanceList

for instanceid in InstanceList:

startec2 = ec2.start_instances(InstanceIds=[instanceid])