Created
July 13, 2016 07:40
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from __future__ import print_function | |
import os | |
import boto3 | |
import pprint | |
import logging | |
import datetime | |
SPOT_FLEET_REQUEST_ID = os.environ['SpotFleetRequestId'] | |
SNS_TOPIC_ARN = os.environ['SnsTopicArn'] | |
QUEUE_URL = os.environ['QueueUrl'] | |
QUEUE_NAME = os.environ['QueueName'] | |
logger = logging.getLogger() | |
logger.setLevel(logging.INFO) | |
pp = pprint.PrettyPrinter(indent=4) | |
def handle(event, context): | |
ec2_client = boto3.client('ec2') | |
cloudwatch_client = boto3.client('cloudwatch', region_name='ap-northeast-1') | |
queue_metric = cloudwatch_client.get_metric_statistics( | |
Namespace='AWS/SQS', | |
MetricName='ApproximateNumberOfMessagesVisible', | |
Dimensions=[ | |
{ | |
'Name': 'QueueName', | |
'Value': QUEUE_NAME | |
} | |
], | |
StartTime=datetime.datetime.now() - datetime.timedelta(minutes=60), | |
EndTime=datetime.datetime.now(), | |
Period=300, | |
Statistics=['Average']) | |
avg = 0 | |
for datapoint in queue_metric['Datapoints']: | |
avg += datapoint['Average'] | |
else: | |
message_num = avg / len(queue_metric['Datapoints']) | |
pp.pprint(queue_metric) | |
logger.info(message_num) | |
#resp = client.modify_spot_fleet_request( | |
# SpotFleetRequestId=SPOT_FLEET_REQUEST_ID, | |
# TargetCapacity=3 | |
# ) | |
#logger.info(resp) |
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