ob-col/receiver/mysqlreceiver/factory.go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

package mysqlreceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/mysqlreceiver"

import (
	"context"
	"time"

	"go.opentelemetry.io/collector/component"
	"go.opentelemetry.io/collector/config/confignet"
	"go.opentelemetry.io/collector/consumer"
	"go.opentelemetry.io/collector/receiver"
	"go.opentelemetry.io/collector/receiver/scraperhelper"

	"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/mysqlreceiver/internal/metadata"
)

func NewFactory() receiver.Factory {
	return receiver.NewFactory(
		metadata.Type,
		createDefaultConfig,
		receiver.WithMetrics(createMetricsReceiver, metadata.MetricsStability))
}

func createDefaultConfig() component.Config {
	cfg := scraperhelper.NewDefaultScraperControllerSettings(metadata.Type)
	cfg.CollectionInterval = 10 * time.Second
	return &Config{
		ScraperControllerSettings: cfg,
		AllowNativePasswords:      true,
		Username:                  "root",
		NetAddr: confignet.NetAddr{
			Endpoint:  "localhost:3306",
			Transport: "tcp",
		},
		MetricsBuilderConfig: metadata.DefaultMetricsBuilderConfig(),
		StatementEvents: StatementEventsConfig{
			DigestTextLimit: defaultStatementEventsDigestTextLimit,
			Limit:           defaultStatementEventsLimit,
			TimeLimit:       defaultStatementEventsTimeLimit,
		},
	}
}

func createMetricsReceiver(
	_ context.Context,
	params receiver.CreateSettings,
	rConf component.Config,
	consumer consumer.Metrics,
) (receiver.Metrics, error) {
	cfg := rConf.(*Config)

	ns := newMySQLScraper(params, cfg)
	scraper, err := scraperhelper.NewScraper(metadata.Type, ns.scrape, scraperhelper.WithStart(ns.start),
		scraperhelper.WithShutdown(ns.shutdown))

	if err != nil {
		return nil, err
	}

	return scraperhelper.NewScraperControllerReceiver(
		&cfg.ScraperControllerSettings, params, consumer,
		scraperhelper.AddScraper(scraper),
	)
}