TICKscript example triggering alerts on PagerDuty

pagerduty-example.tick

var model = 'telegraf_metrics_count_value_10s'

var from_measurement = 'loudml'

var out_db = 'telegraf'

var retention_policy = 'autogen'

var out_measurement = 'predicted'

var data = stream
    |from()
        .measurement(from_measurement)
        .where(lambda: "model" == model)
    |eval(lambda: model)
        .as('model')
        .keep()

var saved = data
    |influxDBOut()
        .database(out_db)
        .retentionPolicy(retention_policy)
        .measurement(out_measurement)

var pos = data
    |changeDetect('is_anomaly')
    |alert()
        .warn(lambda: "is_anomaly" == TRUE)
        .crit(lambda: "is_anomaly" == TRUE AND "score" > 90.0)
        .message('{{if ne .Level "OK" }} Hey, unexpected situation detected score={{ index .Fields "score" | printf "%0.3f" }} {{else}} Back to normal {{end}}')
        .pagerDuty2()