Compute lambda cost from logs downloaded using awslogs

awslogs_to_lambda_cost.py

COST_GB_SEC = 0.00001667

cost = 0
with open('logs.log', 'r') as f:
    logs = f.readlines()
billing = [i.split('\t') for i in logs if '\tBilled Duration:' in i]

for i in billing:
    gb = float(i[3].lstrip('Memory Size: ').rstrip(' MB')) / 1024
    sec = float(i[2].lstrip('Billed Duration: ').rstrip(' ms ')) / 1000
    gb_sec = gb * sec
    cost += gb_sec * COST_GB_SEC

print(cost)