SwarmAutoscaleNode

// Target 80% cpu per container
var target = 80.0
var min = 1
var max = 10
var period = 5m
var every = period
stream
  |from()
    .measurement('docker_container_cpu')
    .groupBy('container_name','com.docker.swarm.service.name')
    .where(lambda: "cpu" == 'cpu-total')
  |window()
    .period(period)
    .every(every)
  |mean('usage_percent')
    .as('mean_cpu')
  |groupBy('com.docker.swarm.service.name')
  |sum('mean_cpu')
    .as('total_cpu')
  |swarmAutoscale()
    // Get the name of the service from "com.docker.swarm.service.name" tag.
    .serviceNameTag('com.docker.swarm.service.name')
    .min(min)
    .max(max)
    // Set the desired number of replicas based on target.
    .replicas(lambda: int(ceil("total_cpu" / target)))
  |influxDBOut()
    .database('deployments')
    .measurement('scale_events')
    .precision('s')

swarmAutoscale.cluster(value string)

    |swarmAutoscale()
        .currentField('replicas')
        // Increase the replicas by 1 if the qps is over the threshold
        .replicas(lambda: if("qps" > threshold, "replicas" + 1, "replicas"))

swarmAutoscale.currentField(value string)

swarmAutoscale.decreaseCooldown(value time.Duration)

swarmAutoscale.increaseCooldown(value time.Duration)

swarmAutoscale.max(value int64)

swarmAutoscale.min(value int64)

swarmAutoscale.outputServiceNameTag(value string)

swarmAutoscale.quiet()

swarmAutoscale.replicas(value ast.LambdaNode)

swarmAutoscale.serviceName(value string)

swarmAutoscale.serviceNameTag(value string)

swarmAutoscale|alert()

swarmAutoscale|barrier()

swarmAutoscale|bottom(num int64, field string, fieldsAndTags ...string)

swarmAutoscale|changeDetect(field string)

swarmAutoscale|combine(expressions ...ast.LambdaNode)

swarmAutoscale|count(field string)

swarmAutoscale|cumulativeSum(field string)

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |deadman(100.0, 10s)
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |stats(10s)
            .align()
        |derivative('emitted')
            .unit(10s)
            .nonNegative()
        |alert()
            .id('node \'stream0\' in task \'{{ .TaskName }}\'')
            .message('{{ .ID }} is {{ if eq .Level "OK" }}alive{{ else }}dead{{ end }}: {{ index .Fields "emitted" | printf "%0.3f" }} points/10s.')
            .crit(lambda: "emitted" <= 100.0)
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    data
        |deadman(100.0, 10s)
            .slack()
            .channel('#dead_tasks')
    //Do normal processing of data
    data...

    var data = stream
        |from()...
    // Trigger critical alert if the throughput drops below 100 points per 10s and checked every 10s.
    // Only trigger the alert if the time of day is between 8am-5pm.
    data
        |deadman(100.0, 10s, lambda: hour("time") >= 8 AND hour("time") <= 17)
    //Do normal processing of data
    data...

swarmAutoscale|deadman(threshold float64, interval time.Duration, expr ...ast.LambdaNode)

swarmAutoscale|default()

swarmAutoscale|delete()

swarmAutoscale|derivative(field string)

swarmAutoscale|difference(field string)

swarmAutoscale|distinct(field string)

swarmAutoscale|ec2Autoscale()

swarmAutoscale|elapsed(field string, unit time.Duration)

swarmAutoscale|eval(expressions ...ast.LambdaNode)

swarmAutoscale|first(field string)

swarmAutoscale|flatten()

    |groupBy(*)

swarmAutoscale|groupBy(tag ...interface{})

swarmAutoscale|holtWinters(field string, h int64, m int64, interval time.Duration)

swarmAutoscale|holtWintersWithFit(field string, h int64, m int64, interval time.Duration)

swarmAutoscale|httpOut(endpoint string)

swarmAutoscale|httpPost(url ...string)

swarmAutoscale|influxDBOut()

swarmAutoscale|join(others ...Node)

swarmAutoscale|k8sAutoscale()

swarmAutoscale|kapacitorLoopback()

swarmAutoscale|last(field string)

swarmAutoscale|log()

swarmAutoscale|mean(field string)

swarmAutoscale|median(field string)

swarmAutoscale|mode(field string)

swarmAutoscale|movingAverage(field string, window int64)

swarmAutoscale|percentile(field string, percentile float64)

swarmAutoscale|sample(rate interface{})

swarmAutoscale|shift(shift time.Duration)

swarmAutoscale|sideload()

swarmAutoscale|spread(field string)

swarmAutoscale|stateCount(expression ast.LambdaNode)

swarmAutoscale|stateDuration(expression ast.LambdaNode)

swarmAutoscale|stats(interval time.Duration)

swarmAutoscale|stddev(field string)

swarmAutoscale|sum(field string)

swarmAutoscale|swarmAutoscale()

swarmAutoscale|top(num int64, field string, fieldsAndTags ...string)

swarmAutoscale|trickle()

swarmAutoscale|union(node ...Node)

swarmAutoscale|where(expression ast.LambdaNode)

swarmAutoscale|window()