def connect_fps(self,
aws_access_key_id=None,
aws_secret_access_key=None,
**kwargs):
if aws_access_key_id == None:
aws_access_key_id = self.config.get("Credentials",
"aws_access_key_id")
if aws_secret_access_key == None:
aws_secret_access_key = self.config.get("Credentials",
"aws_secret_access_key")
return boto.connect_fps(aws_access_key_id, aws_secret_access_key,
**kwargs)
def getbotofps(use_sandbox=True):
if use_sandbox:
hostname = 'fps.sandbox.amazonaws.com'
else:
hostname = "fps.amazonaws.com"
try:
fpsconn = boto.connect_fps(debug=2,
host=hostname)
except boto.exception.NoAuthHandlerFound, e:
return None
def estimate_costs(current_spot_price,new_total_spot,new_total_on_demand):
'''
Utility method. Estimates how much the contest will cost, in total.
'''
spot_price = current_spot_price + m1medium_emr
on_demand_price = m1medium_base + m1medium_emr
now = datetime.datetime.now()
future = now + datetime.timedelta(hours = 24)
time_left = end_contest_datetime - now
time_used = now - start_contest_datetime
fps = boto.connect_fps(access_key, secret_key)
account_balance = fps.get_account_balance() - offset_account_balance
hourly_cost = account_balance / (time_used.hours * 1.0)
remaining_cost = time_left.hours * (spot_price * new_total_spot + on_demand_price * new_total_on_demand)
total_cost = remaining_cost + account_balance
return remaining_cost,total_cost
def connect_fps(self, aws_access_key_id=None, aws_secret_access_key=None,**kwargs):
if aws_access_key_id == None:
aws_access_key_id = self.config.get("Credentials", "aws_access_key_id")
if aws_secret_access_key == None:
aws_secret_access_key = self.config.get("Credentials", "aws_secret_access_key")
return boto.connect_fps(aws_access_key_id, aws_secret_access_key, **kwargs)