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exporter.go
35 lines (28 loc) · 949 Bytes
/
exporter.go
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package tracing
import (
"context"
"fmt"
"time"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
const defaultTimeout = 15 * time.Second
func GRPCExporter(ctx context.Context, uri string) (sdktrace.SpanExporter, error) {
ctx, cancel := context.WithTimeout(ctx, defaultTimeout)
defer cancel()
conn, err := grpc.DialContext(ctx, uri,
// in this scenario, we want to block; normally WithBlock is not recommended.
grpc.WithBlock(),
grpc.WithTransportCredentials(insecure.NewCredentials()),
)
if err != nil {
return nil, fmt.Errorf("failed to create gRPC connection to collector: %w", err)
}
traceExporter, err := otlptracegrpc.New(ctx, otlptracegrpc.WithGRPCConn(conn))
if err != nil {
return nil, fmt.Errorf("failed to create trace exporter: %w", err)
}
return traceExporter, nil
}