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Allow running with Micrometer metrics
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97 changes: 97 additions & 0 deletions
97
...er/implementation-cdi/src/main/java/io/smallrye/graphql/cdi/metrics/MPMetricsService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package io.smallrye.graphql.cdi.metrics; | ||
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| import java.time.Duration; | ||
| import java.util.Collections; | ||
| import java.util.IdentityHashMap; | ||
| import java.util.Map; | ||
|
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| import javax.enterprise.inject.spi.CDI; | ||
| import javax.enterprise.util.AnnotationLiteral; | ||
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| import org.eclipse.microprofile.metrics.Metadata; | ||
| import org.eclipse.microprofile.metrics.MetricRegistry; | ||
| import org.eclipse.microprofile.metrics.MetricType; | ||
| import org.eclipse.microprofile.metrics.Tag; | ||
| import org.eclipse.microprofile.metrics.annotation.RegistryType; | ||
|
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| import io.smallrye.graphql.api.Context; | ||
| import io.smallrye.graphql.cdi.config.ConfigKey; | ||
| import io.smallrye.graphql.schema.model.Operation; | ||
| import io.smallrye.graphql.spi.EventingService; | ||
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| /** | ||
| * Listening for event and create metrics from it. Uses MP Metrics 3.x API. | ||
| * | ||
| * @author Jan Martiska ([email protected]) | ||
| * @author Phillip Kruger ([email protected]) | ||
| */ | ||
| public class MPMetricsService implements EventingService { | ||
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| private MetricRegistry metricRegistry; | ||
| private final Map<Context, Long> startTimes = Collections.synchronizedMap(new IdentityHashMap<>()); | ||
| private static final String METRIC_NAME = "mp_graphql"; | ||
| private final String DESCRIPTION = "Call statistics for the operation denoted by the 'name' tag"; | ||
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| @Override | ||
| public Operation createOperation(Operation operation) { | ||
| final Tag[] tags = getTags(operation); | ||
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| Metadata metadata = Metadata.builder() | ||
| .withName(METRIC_NAME) | ||
| .withType(MetricType.SIMPLE_TIMER) | ||
| .withDescription(DESCRIPTION) | ||
| .build(); | ||
| getMetricRegistry().simpleTimer(metadata, tags); | ||
| return operation; | ||
| } | ||
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| @Override | ||
| public void beforeDataFetch(Context context) { | ||
| startTimes.put(context, System.nanoTime()); | ||
| } | ||
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| @Override | ||
| public void afterDataFetch(Context context) { | ||
| Long startTime = startTimes.remove(context); | ||
| if (startTime != null) { | ||
| long duration = System.nanoTime() - startTime; | ||
| getMetricRegistry().simpleTimer(METRIC_NAME, getTags(context)) | ||
| .update(Duration.ofNanos(duration)); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getConfigKey() { | ||
| return ConfigKey.ENABLE_METRICS; | ||
| } | ||
|
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| private MetricRegistry getMetricRegistry() { | ||
| if (metricRegistry == null) { | ||
| this.metricRegistry = CDI.current().select(MetricRegistry.class, new VendorType()).get(); | ||
| } | ||
| return metricRegistry; | ||
| } | ||
|
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| private Tag[] getTags(Context context) { | ||
| return new Tag[] { | ||
| new Tag("name", context.getFieldName()), | ||
| new Tag("type", context.getOperationType()), | ||
| new Tag("source", String.valueOf(context.getSource() != null)) | ||
| }; | ||
| } | ||
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| private Tag[] getTags(Operation operation) { | ||
| return new Tag[] { | ||
| new Tag("name", operation.getName()), | ||
| new Tag("type", operation.getOperationType().toString()), | ||
| new Tag("source", String.valueOf(operation.isSourceField())) | ||
| }; | ||
| } | ||
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| class VendorType extends AnnotationLiteral<RegistryType> implements RegistryType { | ||
| @Override | ||
| public MetricRegistry.Type type() { | ||
| return MetricRegistry.Type.VENDOR; | ||
| } | ||
| } | ||
| } |
94 changes: 26 additions & 68 deletions
94
server/implementation-cdi/src/main/java/io/smallrye/graphql/cdi/metrics/MetricsService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,97 +1,55 @@ | ||
| package io.smallrye.graphql.cdi.metrics; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.Collections; | ||
| import java.util.IdentityHashMap; | ||
| import java.util.Map; | ||
|
|
||
| import javax.enterprise.inject.spi.CDI; | ||
| import javax.enterprise.util.AnnotationLiteral; | ||
|
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| import org.eclipse.microprofile.metrics.Metadata; | ||
| import org.eclipse.microprofile.metrics.MetricRegistry; | ||
| import org.eclipse.microprofile.metrics.MetricType; | ||
| import org.eclipse.microprofile.metrics.Tag; | ||
| import org.eclipse.microprofile.metrics.annotation.RegistryType; | ||
|
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| import io.smallrye.graphql.api.Context; | ||
| import io.smallrye.graphql.cdi.config.ConfigKey; | ||
| import io.smallrye.graphql.schema.model.Operation; | ||
| import io.smallrye.graphql.spi.EventingService; | ||
|
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| /** | ||
| * Listening for event and create metrics from it | ||
| * | ||
| * @author Jan Martiska ([email protected]) | ||
| * @author Phillip Kruger ([email protected]) | ||
| * A wrapper that chooses an underlying service implementation for metrics | ||
| * and delegates to that implementation. The implementation is chosen based on | ||
| * detecting the availability of particular metrics APIs. | ||
| * Right now, it supports Micrometer and MP Metrics 3.x, while Micrometer | ||
| * is preferred. | ||
| */ | ||
| public class MetricsService implements EventingService { | ||
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| private MetricRegistry metricRegistry; | ||
| private final Map<Context, Long> startTimes = Collections.synchronizedMap(new IdentityHashMap<>()); | ||
| private static final String METRIC_NAME = "mp_graphql"; | ||
| private final String DESCRIPTION = "Call statistics for the operation denoted by the 'name' tag"; | ||
| private final EventingService wrapped; | ||
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| public MetricsService() { | ||
| // Find out which metrics API is available | ||
| EventingService wrappedImpl; | ||
| try { | ||
| Class.forName("io.micrometer.core.instrument.MeterRegistry"); | ||
| wrappedImpl = new MicrometerMetricsService(); | ||
| } catch (ClassNotFoundException e) { | ||
| try { | ||
| Class.forName("org.eclipse.microprofile.metrics.MetricRegistry"); | ||
| wrappedImpl = new MPMetricsService(); | ||
| } catch (ClassNotFoundException classNotFoundException) { | ||
| wrappedImpl = null; | ||
| } | ||
| } | ||
| this.wrapped = wrappedImpl; | ||
| } | ||
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| @Override | ||
| public Operation createOperation(Operation operation) { | ||
| final Tag[] tags = getTags(operation); | ||
|
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| Metadata metadata = Metadata.builder() | ||
| .withName(METRIC_NAME) | ||
| .withType(MetricType.SIMPLE_TIMER) | ||
| .withDescription(DESCRIPTION) | ||
| .build(); | ||
| getMetricRegistry().simpleTimer(metadata, tags); | ||
| return operation; | ||
| return wrapped.createOperation(operation); | ||
| } | ||
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| @Override | ||
| public void beforeDataFetch(Context context) { | ||
| startTimes.put(context, System.nanoTime()); | ||
| wrapped.beforeDataFetch(context); | ||
| } | ||
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| @Override | ||
| public void afterDataFetch(Context context) { | ||
| Long startTime = startTimes.remove(context); | ||
| if (startTime != null) { | ||
| long duration = System.nanoTime() - startTime; | ||
| getMetricRegistry().simpleTimer(METRIC_NAME, getTags(context)) | ||
| .update(Duration.ofNanos(duration)); | ||
| } | ||
| wrapped.afterDataFetch(context); | ||
| } | ||
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| @Override | ||
| public String getConfigKey() { | ||
| return ConfigKey.ENABLE_METRICS; | ||
| } | ||
|
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| private MetricRegistry getMetricRegistry() { | ||
| if (metricRegistry == null) { | ||
| this.metricRegistry = CDI.current().select(MetricRegistry.class, new VendorType()).get(); | ||
| } | ||
| return metricRegistry; | ||
| } | ||
|
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| private Tag[] getTags(Context context) { | ||
| return new Tag[] { | ||
| new Tag("name", context.getFieldName()), | ||
| new Tag("type", context.getOperationType()), | ||
| new Tag("source", String.valueOf(context.getSource() != null)) | ||
| }; | ||
| } | ||
|
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| private Tag[] getTags(Operation operation) { | ||
| return new Tag[] { | ||
| new Tag("name", operation.getName()), | ||
| new Tag("type", operation.getOperationType().toString()), | ||
| new Tag("source", String.valueOf(operation.isSourceField())) | ||
| }; | ||
| } | ||
|
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| class VendorType extends AnnotationLiteral<RegistryType> implements RegistryType { | ||
| @Override | ||
| public MetricRegistry.Type type() { | ||
| return MetricRegistry.Type.VENDOR; | ||
| } | ||
| } | ||
| } |
66 changes: 66 additions & 0 deletions
66
...mentation-cdi/src/main/java/io/smallrye/graphql/cdi/metrics/MicrometerMetricsService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package io.smallrye.graphql.cdi.metrics; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.Collections; | ||
| import java.util.IdentityHashMap; | ||
| import java.util.Map; | ||
|
|
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| import io.micrometer.core.instrument.MeterRegistry; | ||
| import io.micrometer.core.instrument.Metrics; | ||
| import io.micrometer.core.instrument.Tags; | ||
| import io.micrometer.core.instrument.Timer; | ||
| import io.smallrye.graphql.api.Context; | ||
| import io.smallrye.graphql.cdi.config.ConfigKey; | ||
| import io.smallrye.graphql.schema.model.Operation; | ||
| import io.smallrye.graphql.spi.EventingService; | ||
|
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| public class MicrometerMetricsService implements EventingService { | ||
|
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| private final MeterRegistry meterRegistry = Metrics.globalRegistry; | ||
| private final Map<Context, Long> startTimes = Collections.synchronizedMap(new IdentityHashMap<>()); | ||
| private static final String METRIC_NAME = "mp_graphql"; | ||
| private final String DESCRIPTION = "Call statistics for the operation denoted by the 'name' tag"; | ||
|
|
||
| @Override | ||
| public Operation createOperation(Operation operation) { | ||
| final Tags tags = getTags(operation); | ||
| Timer.builder(METRIC_NAME) | ||
| .tags(tags) | ||
| .description(DESCRIPTION) | ||
| .register(meterRegistry); | ||
| return operation; | ||
| } | ||
|
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| @Override | ||
| public void beforeDataFetch(Context context) { | ||
| startTimes.put(context, System.nanoTime()); | ||
| } | ||
|
|
||
| @Override | ||
| public void afterDataFetch(Context context) { | ||
| Long startTime = startTimes.remove(context); | ||
| if (startTime != null) { | ||
| long duration = System.nanoTime() - startTime; | ||
| meterRegistry.timer(METRIC_NAME, getTags(context)) | ||
| .record(Duration.ofNanos(duration)); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public String getConfigKey() { | ||
| return ConfigKey.ENABLE_METRICS; | ||
| } | ||
|
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| private Tags getTags(Context context) { | ||
| return Tags.of("name", context.getFieldName()) | ||
| .and("type", context.getOperationType()) | ||
| .and("source", String.valueOf(context.getSource() != null)); | ||
| } | ||
|
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| private Tags getTags(Operation operation) { | ||
| return Tags.of("name", operation.getName()) | ||
| .and("type", operation.getOperationType().toString()) | ||
| .and("source", String.valueOf(operation.isSourceField())); | ||
| } | ||
|
|
||
| } |