Overall Uptime Time of EC2 instances in Running State

uptimeEC2instancesAws.py

#### Requirements
#### AWSCLI
#### Must execute aws configure command before Running the Script


import boto3
import datetime
import itertools

client = boto3.client("ec2")

response = client.describe_instances()
loop1 = []
loop2 = []
loop3 = []

for reservations in response["Reservations"]:
	for instances in reservations["Instances"]:
		if instances["State"]["Name"] == "running" or instances["State"]["Name"] == "pending":
			
			ids = instances["InstanceId"]
			loop3.append(ids)


			ins = instances["LaunchTime"]
			time = str(ins)
			
			t1 = ' '+time[11:18]
			y1 = time[0:4]
			m1 = time[5:7]+'-'
			d1 = time[8:10]+'-'
			at1 = (m1+d1+y1+t1)
			loop1.append(at1)
			
			now = datetime.datetime.utcnow()
			time1 = str(now)
			t2 = ' '+time1[11:18]
			y2 = time1[0:4]
			m2 = time1[5:7]+'-'
			d2 = time1[8:10]+'-'
			at2 = (m2+d2+y2+t2)
			loop2.append(at2)


from datetime import datetime
 
date_format = "%m-%d-%Y %H:%M:%S" 

for (x,y,z) in zip(loop1,loop2,loop3):

	time1  = datetime.strptime(x, date_format)
	time2  = datetime.strptime(y, date_format)

	diff = time2 - time1

	days = diff.days

	days_to_hours = days * 24
	diff_btw_two_times = (diff.seconds) / 3600
	overall_hours = format((days_to_hours + diff_btw_two_times),'.2f')
	print (str(overall_hours) + ' hours for '+ z);