fabfile.py 文件源码

def spot_price_history(inst_type=INSTANCE_TYPE, region='us-west-2'):
    ' spot price history '
    now = datetime.datetime.utcnow()
    start_time = '{:%Y-%m-%dT%H:00:00}'.format(now)
    aws_cmd = 'aws ec2 describe-spot-price-history --start-time {} --product "Linux/UNIX" --instance-type "{}"'
    aws_cmd = aws_cmd.format(start_time, inst_type)
    jq_cmd = 'jq -c -C ".SpotPriceHistory[] | {SpotPrice, AvailabilityZone, InstanceType }"'

    with hide("running"):
        os.environ['AWS_DEFAULT_REGION'] = region
        local('|'.join([aws_cmd, jq_cmd]))