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io.smallrye.faulttolerance.metrics.MicrometerProvider Maven / Gradle / Ivy
package io.smallrye.faulttolerance.metrics;
import static io.smallrye.faulttolerance.metrics.MetricConstants.BULKHEAD_CALLS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.BULKHEAD_EXECUTIONS_RUNNING;
import static io.smallrye.faulttolerance.metrics.MetricConstants.BULKHEAD_EXECUTIONS_WAITING;
import static io.smallrye.faulttolerance.metrics.MetricConstants.BULKHEAD_RUNNING_DURATION;
import static io.smallrye.faulttolerance.metrics.MetricConstants.BULKHEAD_WAITING_DURATION;
import static io.smallrye.faulttolerance.metrics.MetricConstants.CIRCUIT_BREAKER_CALLS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.CIRCUIT_BREAKER_OPENED_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.CIRCUIT_BREAKER_STATE_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.INVOCATIONS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.RATE_LIMIT_CALLS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.RETRY_CALLS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.RETRY_RETRIES_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.TIMEOUT_CALLS_TOTAL;
import static io.smallrye.faulttolerance.metrics.MetricConstants.TIMEOUT_EXECUTION_DURATION;
import java.util.Arrays;
import java.util.Collections;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.eclipse.microprofile.config.inject.ConfigProperty;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Tag;
import io.smallrye.faulttolerance.SpecCompatibility;
import io.smallrye.faulttolerance.config.FaultToleranceOperation;
import io.smallrye.faulttolerance.core.circuit.breaker.CircuitBreakerEvents;
import io.smallrye.faulttolerance.core.metrics.MetricsRecorder;
@Singleton
public class MicrometerProvider implements MetricsProvider {
static final Tag RESULT_VALUE_RETURNED = Tag.of("result", "valueReturned");
static final Tag RESULT_EXCEPTION_THROWN = Tag.of("result", "exceptionThrown");
static final Tag FALLBACK_APPLIED = Tag.of("fallback", "applied");
static final Tag FALLBACK_NOT_APPLIED = Tag.of("fallback", "notApplied");
static final Tag FALLBACK_NOT_DEFINED = Tag.of("fallback", "notDefined");
static final Tag RETRIED_TRUE = Tag.of("retried", "true");
static final Tag RETRIED_FALSE = Tag.of("retried", "false");
static final Tag RETRY_RESULT_VALUE_RETURNED = Tag.of("retryResult", "valueReturned");
static final Tag RETRY_RESULT_EXCEPTION_NOT_RETRYABLE = Tag.of("retryResult", "exceptionNotRetryable");
static final Tag RETRY_RESULT_MAX_RETRIES_REACHED = Tag.of("retryResult", "maxRetriesReached");
static final Tag RETRY_RESULT_MAX_DURATION_REACHED = Tag.of("retryResult", "maxDurationReached");
static final Tag TIMED_OUT_TRUE = Tag.of("timedOut", "true");
static final Tag TIMED_OUT_FALSE = Tag.of("timedOut", "false");
static final Tag CIRCUIT_BREAKER_RESULT_SUCCESS = Tag.of("circuitBreakerResult", "success");
static final Tag CIRCUIT_BREAKER_RESULT_FAILURE = Tag.of("circuitBreakerResult", "failure");
static final Tag CIRCUIT_BREAKER_RESULT_CB_OPEN = Tag.of("circuitBreakerResult", "circuitBreakerOpen");
static final Tag CIRCUIT_BREAKER_STATE_CLOSED = Tag.of("state", "closed");
static final Tag CIRCUIT_BREAKER_STATE_OPEN = Tag.of("state", "open");
static final Tag CIRCUIT_BREAKER_STATE_HALF_OPEN = Tag.of("state", "halfOpen");
static final Tag BULKHEAD_RESULT_ACCEPTED = Tag.of("bulkheadResult", "accepted");
static final Tag BULKHEAD_RESULT_REJECTED = Tag.of("bulkheadResult", "rejected");
static final Tag RATE_LIMIT_RESULT_PERMITTED = Tag.of("rateLimitResult", "permitted");
static final Tag RATE_LIMIT_RESULT_REJECTED = Tag.of("rateLimitResult", "rejected");
@Inject
MeterRegistry registry;
@Inject
@ConfigProperty(name = "MP_Fault_Tolerance_Metrics_Enabled", defaultValue = "true")
boolean metricsEnabled;
@Inject
SpecCompatibility specCompatibility;
@Override
public MetricsRecorder create(FaultToleranceOperation operation) {
if (metricsEnabled) {
return new MetricsRecorderImpl(registry, specCompatibility, operation);
} else {
return MetricsRecorder.NOOP;
}
}
@Override
public boolean isEnabled() {
return metricsEnabled;
}
private static class MetricsRecorderImpl implements MetricsRecorder {
private final MeterRegistry registry;
private final Tag methodTag;
private final Iterable methodTagSingleton;
MetricsRecorderImpl(MeterRegistry registry, SpecCompatibility specCompatibility, FaultToleranceOperation operation) {
this.registry = registry;
this.methodTag = Tag.of("method", operation.getName());
this.methodTagSingleton = Collections.singleton(methodTag);
registerMetrics(specCompatibility, operation);
}
private void registerMetrics(SpecCompatibility specCompatibility, FaultToleranceOperation operation) {
// make sure all applicable metrics for given method are registered eagerly
// we only touch counters and histograms, because gauges are registered eagerly otherwise
if (operation.hasFallback()) {
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_VALUE_RETURNED, FALLBACK_NOT_APPLIED));
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_VALUE_RETURNED, FALLBACK_APPLIED)).count();
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_EXCEPTION_THROWN, FALLBACK_NOT_APPLIED));
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_EXCEPTION_THROWN, FALLBACK_APPLIED));
} else {
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_VALUE_RETURNED, FALLBACK_NOT_DEFINED));
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, RESULT_EXCEPTION_THROWN, FALLBACK_NOT_DEFINED));
}
if (operation.hasRetry()) {
registry.counter(RETRY_RETRIES_TOTAL, methodTagSingleton);
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_FALSE, RETRY_RESULT_VALUE_RETURNED));
registry.counter(RETRY_CALLS_TOTAL,
Arrays.asList(methodTag, RETRIED_FALSE, RETRY_RESULT_EXCEPTION_NOT_RETRYABLE));
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_FALSE, RETRY_RESULT_MAX_RETRIES_REACHED));
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_FALSE, RETRY_RESULT_MAX_DURATION_REACHED));
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_TRUE, RETRY_RESULT_VALUE_RETURNED));
registry.counter(RETRY_CALLS_TOTAL,
Arrays.asList(methodTag, RETRIED_TRUE, RETRY_RESULT_EXCEPTION_NOT_RETRYABLE));
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_TRUE, RETRY_RESULT_MAX_RETRIES_REACHED));
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, RETRIED_TRUE, RETRY_RESULT_MAX_DURATION_REACHED));
}
if (operation.hasTimeout()) {
registry.counter(TIMEOUT_CALLS_TOTAL, Arrays.asList(methodTag, TIMED_OUT_TRUE));
registry.counter(TIMEOUT_CALLS_TOTAL, Arrays.asList(methodTag, TIMED_OUT_FALSE));
registry.timer(TIMEOUT_EXECUTION_DURATION, methodTagSingleton);
}
if (operation.hasCircuitBreaker()) {
registry.counter(CIRCUIT_BREAKER_CALLS_TOTAL, Arrays.asList(methodTag, CIRCUIT_BREAKER_RESULT_SUCCESS));
registry.counter(CIRCUIT_BREAKER_CALLS_TOTAL, Arrays.asList(methodTag, CIRCUIT_BREAKER_RESULT_FAILURE));
registry.counter(CIRCUIT_BREAKER_CALLS_TOTAL, Arrays.asList(methodTag, CIRCUIT_BREAKER_RESULT_CB_OPEN));
registry.counter(CIRCUIT_BREAKER_OPENED_TOTAL, methodTagSingleton);
}
if (operation.hasBulkhead()) {
registry.counter(BULKHEAD_CALLS_TOTAL, Arrays.asList(methodTag, BULKHEAD_RESULT_ACCEPTED));
registry.counter(BULKHEAD_CALLS_TOTAL, Arrays.asList(methodTag, BULKHEAD_RESULT_REJECTED));
registry.timer(BULKHEAD_RUNNING_DURATION, methodTagSingleton);
if (specCompatibility.isOperationTrulyOrPseudoAsynchronous(operation)) {
registry.timer(BULKHEAD_WAITING_DURATION, methodTagSingleton);
}
}
if (operation.hasRateLimit()) {
registry.counter(RATE_LIMIT_CALLS_TOTAL, Arrays.asList(methodTag, BULKHEAD_RESULT_ACCEPTED));
registry.counter(RATE_LIMIT_CALLS_TOTAL, Arrays.asList(methodTag, BULKHEAD_RESULT_REJECTED));
}
}
private void registerGauge(Supplier supplier, String name, Tag... tags) {
registry.gauge(name, Arrays.asList(tags), supplier, it -> it.get().doubleValue());
}
private void registerTimeGauge(Supplier supplier, String name, Tag... tags) {
registry.more().timeGauge(name, Arrays.asList(tags), supplier, TimeUnit.NANOSECONDS,
it -> it.get().doubleValue());
}
// ---
@Override
public void executionFinished(boolean succeeded, boolean fallbackDefined, boolean fallbackApplied) {
Tag resultTag = succeeded ? RESULT_VALUE_RETURNED : RESULT_EXCEPTION_THROWN;
Tag fallbackTag = fallbackDefined
? (fallbackApplied ? FALLBACK_APPLIED : FALLBACK_NOT_APPLIED)
: FALLBACK_NOT_DEFINED;
registry.counter(INVOCATIONS_TOTAL, Arrays.asList(methodTag, resultTag, fallbackTag)).increment();
}
@Override
public void retryAttempted() {
registry.counter(RETRY_RETRIES_TOTAL, methodTagSingleton).increment();
}
@Override
public void retryValueReturned(boolean retried) {
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, retried ? RETRIED_TRUE : RETRIED_FALSE,
RETRY_RESULT_VALUE_RETURNED)).increment();
}
@Override
public void retryExceptionNotRetryable(boolean retried) {
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, retried ? RETRIED_TRUE : RETRIED_FALSE,
RETRY_RESULT_EXCEPTION_NOT_RETRYABLE)).increment();
}
@Override
public void retryMaxRetriesReached(boolean retried) {
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, retried ? RETRIED_TRUE : RETRIED_FALSE,
RETRY_RESULT_MAX_RETRIES_REACHED)).increment();
}
@Override
public void retryMaxDurationReached(boolean retried) {
registry.counter(RETRY_CALLS_TOTAL, Arrays.asList(methodTag, retried ? RETRIED_TRUE : RETRIED_FALSE,
RETRY_RESULT_MAX_DURATION_REACHED)).increment();
}
@Override
public void timeoutFinished(boolean timedOut, long time) {
registry.counter(TIMEOUT_CALLS_TOTAL, Arrays.asList(methodTag, timedOut ? TIMED_OUT_TRUE : TIMED_OUT_FALSE))
.increment();
registry.timer(TIMEOUT_EXECUTION_DURATION, methodTagSingleton).record(time, TimeUnit.NANOSECONDS);
}
@Override
public void circuitBreakerFinished(CircuitBreakerEvents.Result result) {
Tag circuitBreakerResultTag = null;
switch (result) {
case SUCCESS:
circuitBreakerResultTag = CIRCUIT_BREAKER_RESULT_SUCCESS;
break;
case FAILURE:
circuitBreakerResultTag = CIRCUIT_BREAKER_RESULT_FAILURE;
break;
case PREVENTED:
circuitBreakerResultTag = CIRCUIT_BREAKER_RESULT_CB_OPEN;
break;
}
registry.counter(CIRCUIT_BREAKER_CALLS_TOTAL, Arrays.asList(methodTag, circuitBreakerResultTag)).increment();
}
@Override
public void circuitBreakerMovedToOpen() {
registry.counter(CIRCUIT_BREAKER_OPENED_TOTAL, methodTagSingleton).increment();
}
@Override
public void registerCircuitBreakerTimeSpentInClosed(Supplier supplier) {
registerTimeGauge(supplier, CIRCUIT_BREAKER_STATE_TOTAL,
methodTag, CIRCUIT_BREAKER_STATE_CLOSED);
}
@Override
public void registerCircuitBreakerTimeSpentInOpen(Supplier supplier) {
registerTimeGauge(supplier, CIRCUIT_BREAKER_STATE_TOTAL,
methodTag, CIRCUIT_BREAKER_STATE_OPEN);
}
@Override
public void registerCircuitBreakerTimeSpentInHalfOpen(Supplier supplier) {
registerTimeGauge(supplier, CIRCUIT_BREAKER_STATE_TOTAL,
methodTag, CIRCUIT_BREAKER_STATE_HALF_OPEN);
}
@Override
public void bulkheadDecisionMade(boolean accepted) {
Tag bulkheadResultTag = accepted ? BULKHEAD_RESULT_ACCEPTED : BULKHEAD_RESULT_REJECTED;
registry.counter(BULKHEAD_CALLS_TOTAL, Arrays.asList(methodTag, bulkheadResultTag)).increment();
}
@Override
public void registerBulkheadExecutionsRunning(Supplier supplier) {
registerGauge(supplier, BULKHEAD_EXECUTIONS_RUNNING, methodTag);
}
@Override
public void registerBulkheadExecutionsWaiting(Supplier supplier) {
registerGauge(supplier, BULKHEAD_EXECUTIONS_WAITING, methodTag);
}
@Override
public void updateBulkheadRunningDuration(long time) {
registry.timer(BULKHEAD_RUNNING_DURATION, methodTagSingleton).record(time, TimeUnit.NANOSECONDS);
}
@Override
public void updateBulkheadWaitingDuration(long time) {
registry.timer(BULKHEAD_WAITING_DURATION, methodTagSingleton).record(time, TimeUnit.NANOSECONDS);
}
@Override
public void rateLimitDecisionMade(boolean permitted) {
Tag rateLimitResultTag = permitted ? RATE_LIMIT_RESULT_PERMITTED : RATE_LIMIT_RESULT_REJECTED;
registry.counter(RATE_LIMIT_CALLS_TOTAL, Arrays.asList(methodTag, rateLimitResultTag)).increment();
}
}
}
