var cpu_percentile = stream
    |from()
        .measurement('docker_cpu')
        .where(lambda: "cont_image" =~ /sharelatex-web/ AND "cpu" == 'cpu-total')
    |window()
	.period(10s)
	.every(1s)
    |percentile('usage_percent', 95.0)
    |log()

var scale_out = cpu_percentile
    @scale()
        .simulate(FALSE)
        .debug(TRUE)
        .id('1s33') // web service
        .when('percentile > 90')
        .by('current + 2')
        .min_instances(1)
        .max_instances(6)
        .cooldown('10s')

var scale_in = cpu_percentile
    @scale()
        .simulate(FALSE)
	.debug(TRUE)
        .id('1s33') // web service
        .when('percentile < 30')
        .by('current - 2')
        .min_instances(1)
        .max_instances(6)
        .cooldown('10s')

scale_out
    |influxDBOut()
        .database('metrics')
        .measurement('autoscaling')
	.flushInterval(1d)
	.buffer(1)

scale_in
    |influxDBOut()
        .database('metrics')
        .measurement('autoscaling')
	.flushInterval(1d)
	.buffer(1)