private void handleCanary()

in Elastiflix/java-favorite-otel-manual/src/main/java/com/movieapi/ApiServlet.java [191:212]

• 20 lines of code
• 4 McCabe index (conditional complexity)

    private void handleCanary() throws Exception {
        Span span = GlobalOpenTelemetry.getTracer(SERVICE_NAME).spanBuilder("handleCanary").startSpan();
        Scope scope = span.makeCurrent();

        Random random = new Random();
        if (sleepTime > 0 && random.nextDouble() < 0.5) {
            double randomGaussDelay = Math.min(sleepTime*5, Math.max(0, random.nextGaussian() * (sleepTime)));
            TimeUnit.MILLISECONDS.sleep((long) randomGaussDelay);
            logger.info("Canary enabled");
            Span.current().setAttribute("canary", "test-new-feature");
            Span.current().setAttribute("quiz_solution", "correlations");

            if (random.nextDouble() < toggleCanaryFailure) {
                logger.error("Something went wrong");
                throw new Exception("Something went wrong");
            }
        }
        span.addEvent("a span event", Attributes.of(AttributeKey.longKey("someKey"), Long.valueOf(93)));
        span.setStatus(StatusCode.OK);
        span.end();
        scope.close();
    }