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factory.go
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factory.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package apachesparkreceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/apachesparkreceiver"
import (
"context"
"errors"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/receiver"
"go.opentelemetry.io/collector/receiver/scraperhelper"
"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/apachesparkreceiver/internal/metadata"
)
var errConfigNotSpark = errors.New("config was not a Spark receiver config")
// NewFactory creates a new receiver factory for Spark
func NewFactory() receiver.Factory {
return receiver.NewFactory(
metadata.Type,
createDefaultConfig,
receiver.WithMetrics(createMetricsReceiver, metadata.MetricsStability))
}
// createDefaultConfig creates a config for Spark with as many default values as possible
func createDefaultConfig() component.Config {
cfg := scraperhelper.NewDefaultScraperControllerSettings(metadata.Type)
cfg.CollectionInterval = defaultCollectionInterval
return &Config{
ScraperControllerSettings: cfg,
ClientConfig: confighttp.ClientConfig{
Endpoint: defaultEndpoint,
},
MetricsBuilderConfig: metadata.DefaultMetricsBuilderConfig(),
}
}
// createMetricsReceiver creates the metric receiver for Spark
func createMetricsReceiver(
_ context.Context,
params receiver.CreateSettings,
config component.Config,
consumer consumer.Metrics,
) (receiver.Metrics, error) {
sparkConfig, ok := config.(*Config)
if !ok {
return nil, errConfigNotSpark
}
sparkScraper := newSparkScraper(params.Logger, sparkConfig, params)
scraper, err := scraperhelper.NewScraper(metadata.Type.String(), sparkScraper.scrape,
scraperhelper.WithStart(sparkScraper.start))
if err != nil {
return nil, err
}
return scraperhelper.NewScraperControllerReceiver(&sparkConfig.ScraperControllerSettings, params,
consumer, scraperhelper.AddScraper(scraper))
}