Loki Log Query Go SDK

Constructor#

import log "github.com/perses/plugins/loki/sdk/go/query/log"

var options []log.Option
log.LokiLogQuery(`{job="nginx"} |= "error"`, options...)

Need to provide the LogQL expression and a list of options.

Default options#

Query(): with the expression provided in the constructor.

Available options#

Query#

import log "github.com/perses/plugins/loki/sdk/go/query/log"

log.Query(`{job="nginx", level="error"} |~ "database|connection"`)

Define the LogQL query expression for log data.

Datasource#

import log "github.com/perses/plugins/loki/sdk/go/query/log"

log.Datasource("MyLokiDatasource")

Define the datasource the query will use.

Direction#

import log "github.com/perses/plugins/loki/sdk/go/query/log"

log.SetDirection(log.ForwardDirection)
log.Forward()
log.Backward()

Set the log direction. Use SetDirection with ForwardDirection or BackwardDirection, or use the Forward and Backward helpers.

Example#

package main

import (
	"github.com/perses/perses/go-sdk/dashboard"
	"github.com/perses/perses/go-sdk/panel"
	panelgroup "github.com/perses/perses/go-sdk/panel-group"
	log "github.com/perses/plugins/loki/sdk/go/query/log"
	logstable "github.com/perses/plugins/logstable/sdk/go"
)

func main() {
	dashboard.New("Loki Logs Dashboard",
		dashboard.AddPanelGroup("Application Logs",
			panelgroup.AddPanel("Error Logs",
				logstable.LogsTable(),
				panel.AddQuery(
					log.LokiLogQuery(`{job="nginx"} |= "error"`),
				),
			),
		),
	)
}

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