mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-11 14:53:49 +00:00
33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
|
|
)
|
|
|
|
// Rule represents alerting or recording rule
|
|
// that has unique ID, can be Executed and
|
|
// updated with other Rule.
|
|
type Rule interface {
|
|
// ID returns unique ID that may be used for
|
|
// identifying this Rule among others.
|
|
ID() uint64
|
|
// Exec executes the rule with given context at the given timestamp and limit.
|
|
// returns an err if number of resulting time series exceeds the limit.
|
|
Exec(ctx context.Context, ts time.Time, limit int) ([]prompbmarshal.TimeSeries, error)
|
|
// ExecRange executes the rule on the given time range.
|
|
ExecRange(ctx context.Context, start, end time.Time) ([]prompbmarshal.TimeSeries, error)
|
|
// UpdateWith performs modification of current Rule
|
|
// with fields of the given Rule.
|
|
UpdateWith(Rule) error
|
|
// ToAPI converts Rule into APIRule
|
|
ToAPI() APIRule
|
|
// Close performs the shutdown procedures for rule
|
|
// such as metrics unregister
|
|
Close()
|
|
}
|
|
|
|
var errDuplicate = errors.New("result contains metrics with the same labelset after applying rule labels")
|