/
components.go
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/
components.go
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package otel
import (
"context"
mfnats "github.com/mainflux/mainflux/pkg/messaging/nats"
"github.com/open-telemetry/opentelemetry-collector-contrib/processor/transformprocessor"
"github.com/orb-community/orb/sinker/otel/bridgeservice"
kafkaexporter "github.com/orb-community/orb/sinker/otel/kafkafanoutexporter"
"github.com/orb-community/orb/sinker/otel/orbreceiver"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/configtelemetry"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/processor"
"go.opentelemetry.io/collector/receiver"
"go.opentelemetry.io/otel/sdk/metric"
"go.opentelemetry.io/otel/trace"
"go.uber.org/zap"
)
func StartOtelMetricsComponents(ctx context.Context, bridgeService *bridgeservice.SinkerOtelBridgeService, logger *zap.Logger, kafkaUrl string, pubSub mfnats.PubSub) (context.CancelFunc, error) {
otelContext, otelCancelFunc := context.WithCancel(ctx)
log := logger.Sugar()
log.Info("Starting to create Otel Metrics Components in routine: ", ctx.Value("routine"))
exporterFactory := kafkaexporter.NewFactory()
exporterCtx := context.WithValue(otelContext, "component", "kafkaexporter")
exporterCreateSettings := exporter.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
BuildInfo: component.NewDefaultBuildInfo(),
}
expCfg := exporterFactory.CreateDefaultConfig().(*kafkaexporter.Config)
expCfg.Brokers = []string{kafkaUrl}
expCfg.Topic = "otlp_metrics"
exporter, err := exporterFactory.CreateMetricsExporter(exporterCtx, exporterCreateSettings, expCfg)
if err != nil {
log.Error("error on creating metrics exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = exporter.Start(exporterCtx, nil)
if err != nil {
log.Error("error on starting metrics exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
transformFactory := transformprocessor.NewFactory()
transformCtx := context.WithValue(otelContext, "component", "transformprocessor")
log.Info("start to create metrics component", zap.Any("component", transformCtx.Value("component")))
transformCfg := transformFactory.CreateDefaultConfig().(*transformprocessor.Config)
transformSet := processor.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
processor, err := transformFactory.CreateMetricsProcessor(transformCtx, transformSet, transformCfg, exporter)
if err != nil {
log.Error("error on creating metrics processor", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created kafka metrics exporter successfully")
// receiver Factory
orbReceiverFactory := orbreceiver.NewFactory()
receiverCtx := context.WithValue(otelContext, "component", "orbreceiver")
receiverCfg := orbReceiverFactory.CreateDefaultConfig().(*orbreceiver.Config)
receiverCfg.Logger = logger
receiverCfg.PubSub = pubSub
receiverCfg.SinkerService = bridgeService
receiverSet := receiver.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
receiver, err := orbReceiverFactory.CreateMetricsReceiver(receiverCtx, receiverSet, receiverCfg, processor)
log.Info("created metrics receiver")
if err != nil {
log.Error("error on creating metrics receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = receiver.Start(receiverCtx, nil)
log.Info("started receiver")
if err != nil {
log.Error("error on starting metrics receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created orb metrics receiver successfully")
return otelCancelFunc, nil
}
func StartOtelLogsComponents(ctx context.Context, bridgeService *bridgeservice.SinkerOtelBridgeService, logger *zap.Logger, kafkaUrl string, pubSub mfnats.PubSub) (context.CancelFunc, error) {
otelContext, otelCancelFunc := context.WithCancel(ctx)
log := logger.Sugar()
log.Info("Starting to create Otel Logs Components in routine: ", ctx.Value("routine"))
exporterFactory := kafkaexporter.NewFactory()
exporterCtx := context.WithValue(otelContext, "component", "kafkaexporterlogs")
exporterCreateSettings := exporter.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
BuildInfo: component.NewDefaultBuildInfo(),
}
expCfg := exporterFactory.CreateDefaultConfig().(*kafkaexporter.Config)
expCfg.Brokers = []string{kafkaUrl}
expCfg.Topic = "otlp_logs"
exporter, err := exporterFactory.CreateLogsExporter(exporterCtx, exporterCreateSettings, expCfg)
if err != nil {
log.Error("error on creating logs exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = exporter.Start(exporterCtx, nil)
if err != nil {
log.Error("error on starting logs exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
transformFactory := transformprocessor.NewFactory()
transformCtx := context.WithValue(otelContext, "component", "transformprocessorlogs")
log.Info("start to create logs component", zap.Any("component", transformCtx.Value("component")))
transformCfg := transformFactory.CreateDefaultConfig().(*transformprocessor.Config)
transformSet := processor.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
processor, err := transformFactory.CreateLogsProcessor(transformCtx, transformSet, transformCfg, exporter)
if err != nil {
log.Error("error on creating logs processor", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created kafka logs exporter successfully")
// receiver Factory
orbReceiverFactory := orbreceiver.NewFactory()
receiverCtx := context.WithValue(otelContext, "component", "orbreceiverlogs")
receiverCfg := orbReceiverFactory.CreateDefaultConfig().(*orbreceiver.Config)
receiverCfg.Logger = logger
receiverCfg.PubSub = pubSub
receiverCfg.SinkerService = bridgeService
receiverSet := receiver.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
receiver, err := orbReceiverFactory.CreateLogsReceiver(receiverCtx, receiverSet, receiverCfg, processor)
log.Info("created logs receiver")
if err != nil {
log.Error("error on creating receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = receiver.Start(receiverCtx, nil)
log.Info("started logs receiver")
if err != nil {
log.Error("error on starting logs receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created orb logs receiver successfully")
return otelCancelFunc, nil
}
func StartOtelTracesComponents(ctx context.Context, bridgeService *bridgeservice.SinkerOtelBridgeService, logger *zap.Logger, kafkaUrl string, pubSub mfnats.PubSub) (context.CancelFunc, error) {
otelContext, otelCancelFunc := context.WithCancel(ctx)
log := logger.Sugar()
log.Info("Starting to create Otel Traces Components in routine: ", ctx.Value("routine"))
exporterFactory := kafkaexporter.NewFactory()
exporterCtx := context.WithValue(otelContext, "component", "kafkaexporter")
exporterCreateSettings := exporter.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
BuildInfo: component.NewDefaultBuildInfo(),
}
expCfg := exporterFactory.CreateDefaultConfig().(*kafkaexporter.Config)
expCfg.Brokers = []string{kafkaUrl}
expCfg.Topic = "otlp_traces"
exporter, err := exporterFactory.CreateTracesExporter(exporterCtx, exporterCreateSettings, expCfg)
if err != nil {
log.Error("error on creating traces exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = exporter.Start(exporterCtx, nil)
if err != nil {
log.Error("error on starting traces exporter", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
transformFactory := transformprocessor.NewFactory()
transformCtx := context.WithValue(otelContext, "component", "transformprocessor")
log.Info("start to create traces component", zap.Any("component", transformCtx.Value("component")))
transformCfg := transformFactory.CreateDefaultConfig().(*transformprocessor.Config)
transformSet := processor.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
processor, err := transformFactory.CreateTracesProcessor(transformCtx, transformSet, transformCfg, exporter)
if err != nil {
log.Error("error on creating traces processor", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created kafka traces exporter successfully")
// receiver Factory
orbReceiverFactory := orbreceiver.NewFactory()
receiverCtx := context.WithValue(otelContext, "component", "orbreceiver")
receiverCfg := orbReceiverFactory.CreateDefaultConfig().(*orbreceiver.Config)
receiverCfg.Logger = logger
receiverCfg.PubSub = pubSub
receiverCfg.SinkerService = bridgeService
receiverSet := receiver.CreateSettings{
TelemetrySettings: component.TelemetrySettings{
Logger: logger,
TracerProvider: trace.NewNoopTracerProvider(),
MeterProvider: metric.NewMeterProvider(),
MetricsLevel: configtelemetry.LevelDetailed,
},
}
receiver, err := orbReceiverFactory.CreateTracesReceiver(receiverCtx, receiverSet, receiverCfg, processor)
log.Info("created traces receiver")
if err != nil {
log.Error("error on creating traces receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
err = receiver.Start(receiverCtx, nil)
log.Info("started traces receiver")
if err != nil {
log.Error("error on starting traces receiver", err)
otelCancelFunc()
ctx.Done()
return nil, err
}
log.Info("created orb traces receiver successfully")
return otelCancelFunc, nil
}