chore(#15): added script to get lambda duration pricing per region

scripts/lambda-cost.py

@@ -0,0 +1,76 @@
+import boto3
+import json
+
+def pricing_for_region_list(response):
+    results = []
+    for price in response["PriceList"]:
+        product = json.loads(price)['product']
+        terms  = json.loads(price)['terms']
+
+        if product['attributes']['regionCode'] == '':
+            print("Empty region, skipping processing of price info: ")
+            print(price)
+            continue
+
+        on_demand = terms['OnDemand']
+
+        for _, element in on_demand.items():
+            price_dimensions = element['priceDimensions']
+
+            for _, dimension in price_dimensions.items():
+                if dimension['beginRange'] == '0' and 'USD' in dimension['pricePerUnit']:
+                    results.append({
+                        "region": product['attributes']['regionCode'],
+                        "price": dimension['pricePerUnit']['USD']
+                    })
+
+    return results
+
+def print_results(results):
+    for result in results:
+        print('"' + result['region'] + '": '+result['price']+',')
+
+#### X86
+
+client = boto3.client('pricing', region_name="us-east-1")
+
+response = client.get_products(
+    ServiceCode = "AWSLambda",
+    Filters=[
+        {
+            'Field': 'group',
+            'Type': 'TERM_MATCH',
+            'Value': 'AWS-Lambda-Duration',
+        },
+    ],
+    FormatVersion='aws_v1',
+    MaxResults=100,
+)
+
+x86_results = pricing_for_region_list(response)
+
+#### ARM
+
+response = client.get_products(
+    ServiceCode = "AWSLambda",
+    Filters=[
+        {
+            'Field': 'group',
+            'Type': 'TERM_MATCH',
+            'Value': 'AWS-Lambda-Duration-ARM',
+        },
+    ],
+    FormatVersion='aws_v1',
+    MaxResults=100,
+)
+
+arm_results = pricing_for_region_list(response)
+
+####
+
+print("------ x86 ------")
+print_results(x86_results)
+
+
+print("------ ARM ------")
+print_results(arm_results)