alerta.endpoint() function
alerta.endpoint() is a user-contributed function maintained by
the package author.
alerta.endpoint() sends alerts to Alerta using data from input rows.
Usage
alerta.endpoint is a factory function that outputs another function.
The output function requires a mapFn parameter.
mapFn
A function that builds the object used to generate the POST request. Requires an r parameter.
mapFn accepts a table row (r) and returns an object that must include the following fields:
resourceeventseverityservicegroupvaluetexttagsattributestypetimestamp
For more information, see alerta.alert() parameters.
Function type signature
(
apiKey: string,
url: string,
?environment: A,
?origin: B,
) => (
mapFn: (
r: C,
) => {
D with
value: O,
type: N,
timestamp: M,
text: L,
tags: K,
severity: J,
service: I,
resource: H,
group: G,
event: F,
attributes: E,
},
) => (<-tables: stream[C]) => stream[{C with _sent: string}]
Parameters
url
(Required) (Required) Alerta URL.
apiKey
(Required) (Required) Alerta API key.
environment
Alert environment. Default is "".
Valid values: “Production”, “Development”, or empty string (default).
origin
Alert origin. Default is "InfluxDB".
Examples
Send critical alerts to Alerta
import "contrib/bonitoo-io/alerta"
import "influxdata/influxdb/secrets"
apiKey = secrets.get(key: "ALERTA_API_KEY")
endpoint =
alerta.endpoint(
url: "https://alerta.io:8080/alert",
apiKey: apiKey,
environment: "Production",
origin: "InfluxDB",
)
crit_events =
from(bucket: "example-bucket")
|> range(start: -1m)
|> filter(fn: (r) => r._measurement == "statuses" and status == "crit")
crit_events
|> endpoint(
mapFn: (r) => {
return {r with
resource: "example-resource",
event: "example-event",
severity: "critical",
service: r.service,
group: "example-group",
value: r.status,
text: "Status is critical.",
tags: ["ex1", "ex2"],
attributes: {},
type: "exampleAlertType",
timestamp: now(),
}
},
)()
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