/
instrument.go
73 lines (66 loc) · 1.71 KB
/
instrument.go
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package instrumentation
import (
"context"
"errors"
"github.com/kumin/BityDating/monitor/instrumentation/exporter"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
)
const (
ServiceName = "bity_dating"
ServiceVersion = "1.0.0"
)
func SetupInstrument(ctx context.Context) (shutdown func(ctx context.Context) error, err error) {
var shutdownFuncs []func(ctx context.Context) error
shutdown = func(ctx context.Context) error {
var err error
for _, fn := range shutdownFuncs {
err = errors.Join(err, fn(ctx))
}
shutdownFuncs = nil
return err
}
handleErr := func(inErr error) {
err = errors.Join(inErr, shutdown(ctx))
}
resource, err := newResource(ServiceName, ServiceVersion)
if err != nil {
handleErr(err)
return
}
prop := newPropagator()
otel.SetTextMapPropagator(prop)
jaegerExporter, err := exporter.NewJaegerExporter(ctx)
//consoleExporter, err := exporter.NewConsoleExporter(ctx)
if err != nil {
handleErr(err)
return
}
promExporter, err := exporter.NewPromExporter()
if err != nil {
handleErr(err)
return
}
shutdownFuncs = append(shutdownFuncs,
InitTracer(ctx, jaegerExporter, resource),
InitMeter(ctx, promExporter, resource))
return
}
func newResource(serviceName, serviceVersion string) (*resource.Resource, error) {
return resource.Merge(
resource.Default(),
resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceName(serviceName),
semconv.ServiceVersion(serviceVersion),
),
)
}
func newPropagator() propagation.TextMapPropagator {
return propagation.NewCompositeTextMapPropagator(
propagation.TraceContext{},
propagation.Baggage{},
)
}