Script python to get spot price with last 4 hours.

get_spot_price.py

import boto3
import datetime
client = boto3.client('ec2', region_name='us-west-2')
regions = [x["RegionName"] for x in client.describe_regions()["Regions"]]
print(regions)
INSTANCE = "t3.xlarge"
print("Instance: %s" % INSTANCE)
results = []
for region in regions:
    client = boto3.client('ec2', region_name=region)
    prices = client.describe_spot_price_history(
        InstanceTypes=[INSTANCE],
        ProductDescriptions=['Linux/UNIX', 'Linux/UNIX (Amazon VPC)'],
        StartTime=(datetime.datetime.now() -
                   datetime.timedelta(hours=4)).isoformat(),
        MaxResults=5
    )
    for price in prices["SpotPriceHistory"]:
	print(price)
        results.append((price["AvailabilityZone"], price["SpotPrice"]))
for region, price in sorted(results, key=lambda x: x[1]):
    print("Region: %s price: %s" % (region, price))