tracability

tracability

https://betterprogramming.pub/tracing-in-spring-boot-3-webflux-d432d0c78d3e

logging.pattern.level: "trace_id=%mdc{traceId} span_id=%mdc{spanId} trace_flags=%mdc{traceFlags} %p"

https://spring.academy/guides/microservices-observability-reactive-spring-boot-3
----------------

https://azizulhaq-ananto.medium.com/how-to-handle-logs-and-tracing-in-spring-webflux-and-microservices-a0b45adc4610

@Component
@Slf4j
public class TraceIdFilter implements WebFilter {

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
        Map<String, String> headers = exchange.getRequest().getHeaders().toSingleValueMap();
      
        var traceId = "";
        if (headers.containsKey("X-B3-TRACEID")) {
            traceId = headers.get("X-B3-TRACEID");
            MDC.put("X-B3-TraceId", traceId);
        } else if (!exchange.getRequest().getURI().getPath().contains("/actuator")) {
            log.warn("TRACE_ID not present in header: {}", exchange.getRequest().getURI());
        }

        return chain.filter(exchange);

    }


}


https://stackoverflow.com/questions/76620276/use-both-b3-and-w3c-trace-formats-in-trace-propagation-between-spring-boot-2-3

https://uptrace.dev/opentelemetry/distributed-tracing.html


https://github.com/wultra/lime-java-core/blob/c94df5546eda104818f9c07e0887f3887f63f04f/rest-client-base/src/main/java/com/wultra/core/rest/client/base/TraceparentFilterFunction.java#L33

https://github.com/msgoat/cnj-common-observability-spring/blob/fd9032d27baf56622a772aacd465c6f12647bfaa/src/main/java/group/msg/at/cloud/common/observability/logging/mdc/LoggingMdcFilter.java#L24

https://github.com/Azure-Samples/iotedge-logging-and-monitoring-solution/blob/c4fd31895b55c27bfb91064a53ff8f95fe7e0e70/Backend/javafunction/src/main/java/iotsample/function/Function.java#L53

https://github.com/AyazKhuraishi/cnj-common-observability-jakarta/blob/7eaf2b5c3e21068a9e0efe4d039ac310c200ee7b/src/main/java/group/msg/at/cloud/common/observability/logging/mdc/LoggingMdcContainerRequestFilter.java#L27

https://github.com/project-ncl/pnc-common/blob/3b17c91209ed3595c1936ba6bdcaaa1928849021/src/main/java/org/jboss/pnc/common/otel/OtelUtils.java#L108

https://github.com/project-ncl/bacon/blob/e4110a44be70848f186cabe84c5d6801be538a31/da/src/main/java/org/jboss/bacon/da/CustomRestHeaderFilter.java#L4