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cankush625/aws_ec2_pricing.py

Created August 2, 2021 04:56
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  1. cankush625 created this gist Aug 2, 2021.
    63 changes: 63 additions & 0 deletions aws_ec2_pricing.py
    View file
    Original file line number Diff line number Diff line change
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    import requests
    import threading
    import json
    from json import JSONDecodeError


    class AwsEc2Price:
    def __init__(self, term_offering_class_, term_length_, payment_option_, region_, operating_system_, tenancy_):
    self.term_offering_class = term_offering_class_
    self.term_length = term_length_
    self.payment_option = payment_option_
    self.region = region_
    self.operating_system = operating_system_
    self.tenancy = tenancy_

    def get_ec2_prices(self):
    response = requests.get(
    f"https://a0.p.awsstatic.com/pricing/1.0/ec2/region/{self.region}/reserved-instance/linux/index.json"
    )

    prices_list = []

    try:
    pricing_data = response.json()
    prices = pricing_data["prices"]

    for price in prices:
    if (price["attributes"]["aws:offerTermOfferingClass"] == self.term_offering_class and
    price["attributes"]["aws:offerTermLeaseLength"] == self.term_length and
    price["attributes"]["aws:offerTermPurchaseOption"] == self.payment_option and
    price["attributes"]["aws:ec2:operatingSystem"] == self.operating_system and
    price["attributes"]["aws:ec2:tenancy"] == self.tenancy):
    prices_list.append(price)
    except JSONDecodeError:
    print("JSON Decode error")

    return prices_list

    @staticmethod
    def save_prices_in_file(prices_list):
    prices = json.dumps(prices_list)
    with open('./prices/ec2_price.json', 'w') as prices_file:
    prices_file.write(prices)

    # Running get_ec2_prices and save_prices_in_file function using this function
    # This will enable us to run both functions in a single thread as both functions are dependent on each other
    def get_and_save_ec2_prices(self):
    prices_list = self.get_ec2_prices()
    self.save_prices_in_file(prices_list)


    # Get the details from user
    term_offering_class = input("Enter the term offering class (standard / convertible): ")
    term_length = input("Enter the term length: ")
    payment_option = input("Enter the payment option: ")
    region = input("Enter the region: ")
    operating_system = input("Enter the operating system: ")
    tenancy = input("Enter the tenancy: ")

    ec2_price = AwsEc2Price(term_offering_class, term_length, payment_option, region, operating_system, tenancy)

    get_and_save_ec2_prices_in_file = threading.Thread(target=ec2_price.get_and_save_ec2_prices)
    get_and_save_ec2_prices_in_file.start()