/
open_telemetry.go
62 lines (51 loc) · 1.86 KB
/
open_telemetry.go
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package startup
import (
"github.com/punk-link/logger"
runtime "github.com/punk-link/streaming-platform-runtime"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/exporters/prometheus"
"go.opentelemetry.io/otel/metric/global"
metricSdk "go.opentelemetry.io/otel/sdk/metric"
"go.opentelemetry.io/otel/sdk/resource"
traceSdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
)
func configureOpenTelemetry(options *runtime.ServiceOptions) {
configureTracing(options)
configureMetrics(options)
}
func configureMetrics(options *runtime.ServiceOptions) {
exporter, err := prometheus.New()
logOpenTelemetryExceptionIfAny(options.Logger, err)
metricProvider := metricSdk.NewMeterProvider(metricSdk.WithReader(exporter))
global.SetMeterProvider(metricProvider)
}
func configureTracing(options *runtime.ServiceOptions) {
jaegerSettingsValues, err := options.Consul.Get("JaegerSettings")
if err != nil {
options.Logger.LogInfo("Jaeger settings is empty")
return
}
jaegerSettings := jaegerSettingsValues.(map[string]any)
endpoint := jaegerSettings["Endpoint"].(string)
if endpoint == "" {
options.Logger.LogInfo("Jaeger endpoint is empty")
return
}
exporter, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(endpoint)))
logOpenTelemetryExceptionIfAny(options.Logger, err)
traceProvider := traceSdk.NewTracerProvider(traceSdk.WithBatcher(exporter), traceSdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String(options.ServiceName),
attribute.String("environment", options.EnvironmentName),
)))
otel.SetTracerProvider(traceProvider)
}
func logOpenTelemetryExceptionIfAny(logger logger.Logger, err error) {
if err == nil {
return
}
logger.LogFatal(err, "OpenTelemetry error: %s", err)
}