89 lines
3.6 KiB
Java
89 lines
3.6 KiB
Java
package com.ankurm.otel;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import java.util.TreeSet;
|
|
|
|
import io.micrometer.core.instrument.Meter;
|
|
import io.micrometer.core.instrument.MeterRegistry;
|
|
import org.junit.jupiter.api.Test;
|
|
import org.junit.jupiter.api.extension.ExtendWith;
|
|
import org.springframework.boot.test.system.CapturedOutput;
|
|
import org.springframework.boot.test.system.OutputCaptureExtension;
|
|
import org.springframework.context.ConfigurableApplicationContext;
|
|
|
|
import static org.assertj.core.api.Assertions.assertThat;
|
|
|
|
/**
|
|
* Two smaller 4.2 changes that break dashboards and log queries rather than builds: the MDC keys
|
|
* that carry the trace and span ids, and the active-observation LongTaskTimer that is no longer
|
|
* created by default.
|
|
*/
|
|
@ExtendWith(OutputCaptureExtension.class)
|
|
class MdcAndLongTaskTimerTest {
|
|
|
|
@Test
|
|
void mdcKeys(CapturedOutput output) {
|
|
Transcript t = new Transcript("04-mdc-keys");
|
|
// The pattern reads both the default key names and the custom ones, so one log line shows
|
|
// which key the tracing bridge really populated.
|
|
ConfigurableApplicationContext ctx = Apps.start("management.otlp.metrics.export.enabled=false",
|
|
"management.tracing.mdc.trace-id-key=trace_id", "management.tracing.mdc.span-id-key=span_id",
|
|
"logging.pattern.correlation=default[%X{traceId:-}] custom[%X{trace_id:-}] ");
|
|
Apps.call(ctx, "/hello/ankur");
|
|
ctx.close();
|
|
String line = output.getAll().lines().filter(l -> l.contains("handling hello for ankur")).findFirst().orElseThrow();
|
|
String correlation = line.substring(line.indexOf("default["), line.indexOf("] : ") > 0 ? line.indexOf("] :") : line.length());
|
|
t.line("management.tracing.mdc.trace-id-key = trace_id");
|
|
t.line("management.tracing.mdc.span-id-key = span_id");
|
|
t.line("log pattern correlation part reads both MDC keys");
|
|
t.line("");
|
|
t.line("log line: " + line.replaceAll("^\\S+\\s+", "").replaceAll("(?<=\\[)[0-9a-f]{32}(?=\\])", "<32-hex-trace-id>"));
|
|
boolean defaultKeyFilled = line.matches(".*default\\[[0-9a-f]{32}\\].*");
|
|
boolean customKeyFilled = line.matches(".*custom\\[[0-9a-f]{32}\\].*");
|
|
t.line("default key traceId populated: " + defaultKeyFilled);
|
|
t.line("custom key trace_id populated: " + customKeyFilled);
|
|
if (Transcript.is42()) {
|
|
assertThat(customKeyFilled).isTrue();
|
|
assertThat(defaultKeyFilled).isFalse();
|
|
}
|
|
else {
|
|
assertThat(customKeyFilled).isFalse();
|
|
assertThat(defaultKeyFilled).isTrue();
|
|
}
|
|
t.write();
|
|
}
|
|
|
|
@Test
|
|
void activeLongTaskTimer() throws Exception {
|
|
Transcript t = new Transcript("05-active-long-task-timer");
|
|
for (String setting : List.of("(default)", "management.metrics.observations.include-active-long-task-timer=true")) {
|
|
ConfigurableApplicationContext ctx = setting.startsWith("(")
|
|
? Apps.start("management.otlp.metrics.export.enabled=false")
|
|
: Apps.start("management.otlp.metrics.export.enabled=false", setting);
|
|
Apps.call(ctx, "/hello/ankur");
|
|
MeterRegistry registry = ctx.getBean(MeterRegistry.class);
|
|
Apps.awaitHttpMeter(registry);
|
|
TreeSet<String> names = new TreeSet<>();
|
|
for (Meter m : registry.getMeters()) {
|
|
if (m.getId().getName().startsWith("http.server")) {
|
|
names.add(m.getId().getName() + " (" + m.getId().getType() + ")");
|
|
}
|
|
}
|
|
t.line("");
|
|
t.line("== " + setting);
|
|
names.forEach(n -> t.line(" " + n));
|
|
boolean active = names.stream().anyMatch(n -> n.startsWith("http.server.requests.active"));
|
|
t.line(" http.server.requests.active present: " + active);
|
|
if (Transcript.is42()) {
|
|
assertThat(active).isEqualTo(!setting.startsWith("("));
|
|
}
|
|
else if (setting.startsWith("(")) {
|
|
assertThat(active).isTrue();
|
|
}
|
|
ctx.close();
|
|
}
|
|
t.write();
|
|
}
|
|
}
|