monitor.from() function

The monitor.from() function retrieves check statuses stored in the statuses measurement in the _monitoring bucket.

Function type: Input

import "influxdata/influxdb/monitor"

monitor.from(
  start: -1h,
  stop: now(),
  fn: (r) => true
)

Parameters

start

The earliest time to include in results. Use a relative duration, absolute time, or integer (Unix timestamp in seconds). For example, -1h, 2019-08-28T22:00:00Z, or 1567029600. Durations are relative to now().

Data type: Duration | Time | Integer

stop

The latest time to include in results. Use a relative duration, absolute time, or integer (Unix timestamp in seconds). For example, -1h, 2019-08-28T22:00:00Z, or 1567029600. Durations are relative to now(). Defaults to now().

Data type: Duration | Time | Integer

fn

A single argument predicate function that evaluates true or false. Records or rows (r) that evaluate to true are included in output tables. Records that evaluate to null or false are not included in output tables.

Data type: Function

Examples

View critical check statuses from the last hour

import "influxdata/influxdb/monitor"

monitor.from(
  start: -1h,
  fn: (r) => r._level == "crit"
)