Step-3 Linux Instances Registering Instances Lambda Python Program

from boto3 import session
import json
import boto3
import re
import time

def tagging(tagInstance):
    tagvalue = ''
    outputactivation = ''
    s3 = boto3.resource('s3')
    ec2client = boto3.client('ec2', region_name='us-east-1')
    tagInstancePrefix = tagInstance+'-nonprod'
    
    
    bucket = s3.Bucket('cloudz-mi-instances')
    for obj in bucket.objects.filter(Prefix=tagInstancePrefix):
        if "stdout" in obj.key:
        	print obj
        	outputactivation = s3.Object('cloudz-mi-instances', obj.key)
        	outputactivation = outputactivation.get()['Body'].read().decode('utf-8')
        	myoutput = outputactivation.splitlines()
        	print myoutput
        	for content in myoutput:
				words = content.split()
				for word in words:
					if "mi-" in word:
						tagvalue = word
						print 'tagvalue: %s' % tagvalue
						create_tags = ec2client.create_tags(Resources=[str(tagInstance)],Tags=[{'Key':'NonProdManagedInstanceid', 'Value':tagvalue }])
						print 'create_tags:'
						tagresponse = create_tags['ResponseMetadata']['HTTPStatusCode']
						# print tagresponse
						if tagresponse == 200:
							print 'Successfully tagged instanceid: %s' % tagInstance
						else:
							print 'Activation failed for instanceid: %s\n' % tagInstance
    

def Activation(InstanceID):
	REGION="us-east-1"
	# Getting the AWS credentials from the IAM role
	mysession = session.Session()
	credentials = mysession.get_credentials()

	#Getting Activation ID and Code from parameter store
	ssm = boto3.client('ssm',region_name=REGION)
	s3 = boto3.resource('s3')
	ec2client = boto3.client('ec2', region_name='us-east-1')

	activation_id = ssm.get_parameter(Name='ActivationID')
	ActivationID = activation_id['Parameter']['Value']
	activation_code = ssm.get_parameter(Name='ActivationCode')
	ActivationCode = activation_code['Parameter']['Value']
	
	myprefix = InstanceID+'-nonprod'
	
	print 'Platform type: Linux'
	client = boto3.client('ssm', region_name='us-east-1')
	response = client.send_command(
		InstanceIds=[InstanceID],
		DocumentName='AWS-RunShellScript',
		DocumentVersion='1',
		Parameters={
			'commands': [
				'sudo amazon-ssm-agent -register -y -code %s -id %s -region us-east-1' % (ActivationCode, ActivationID)
				]
		}, 
		OutputS3Region='us-east-1',
		OutputS3BucketName='bose-mi-instances',
		OutputS3KeyPrefix=myprefix
	)
	# print "response:"
	# print response
	time.sleep(3)
	return InstanceID
	
	
def lambda_handler(event, context):
    toBetaggedInstanceid = []
    currentregion = 'us-east-1'
    # ec2client = boto3.client('ec2', region_name=currentregion)
    ec2 = boto3.resource('ec2', region_name=currentregion)
    
    running_instances = ec2.instances.filter(Filters=[{'Name': 'instance-state-name', 'Values': ['running']}])
    
    # running_instances = ec2.instances.filter(Filters=[{
				# 							'Name': 'tag-value',
				# 							'Values': ['amazon']
				# 				        	    }
				# 		        	        ]
				# 		)
	

    myid = []
    for instance in running_instances:
        myid.append(instance.id)
    
    ssmclient = boto3.client('ssm')
    ec2client = boto3.client('ec2', region_name='us-east-1')
    
    for instanceid in myid:
    	platform = ssmclient.describe_instance_information(InstanceInformationFilterList=[{'key':'InstanceIds','valueSet':[instanceid] }])

    	for plt in platform['InstanceInformationList']:
    		platformtype = plt['PlatformType']
    		ec2_attached_tags = ec2client.describe_instances(Filters=[{'Name': 'tag-key','Values': ['NonProdManagedInstanceid']}],InstanceIds=[instanceid])
        
	        if platformtype == 'Linux':
	        	if not ec2_attached_tags['Reservations']:
	        		instid = Activation(instanceid)
	        		toBetaggedInstanceid.append(instid)
	        	else:
	        		print 'InstanceId: %s is already Activated' % instanceid
	
	
	taggingInstanceid = ''
	print 'all instances'
	print toBetaggedInstanceid
	for taggingInstanceid in toBetaggedInstanceid:
		tagging(taggingInstanceid)