PortOpenForWorld.py

import sys
import boto
from boto import ec2
from boto import sns
connection=ec2.connect_to_region("region-name")
connSNS = boto.sns.connect_to_region("region-name")
sg=connection.get_all_security_groups()
 
listOfInstances=""
messages="Following Instances have port XX open"
 
def getTag(instanceId):
    reservations=connection.get_all_instances(filters={'instance_id':instanceId})
    for r in reservations:
        for i in r.instances:
            return i.tags['Name']
 
try:
    for securityGroup in sg:
        for rule in securityGroup.rules:
            global instanceId;
            if (rule.from_port=='XX' and rule.to_port == 'XX') and '0.0.0.0/0' in str(rule.grants):
                for instanceid in securityGroup.instances():
                    instanceId=str(instanceid)
                    listOfInstances += "Instance Name : " + getTag(instanceId.split(':')[1]) + "\t State:" + instanceid.state + "\t SecurityGroup:" +securityGroup.name + "\n"
                    connSNS.publish(topic='SNS-topic-arn-endpoint',message = messages + "\n" + listOfInstances, subject='ProjectName : Server List with Port X Open')
 
except :
    print('Some Error occurred : ')
    print(sys.exc_info())
    connSNS.publish(topic='SNS-topic-arn-endpoint',message = sys.exc_info(), subject='script ended with error')