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Use micrometer library instrumentation in agent (open-telemetry#6560)
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* Use micrometer library instrumentation in agent

* PR feedback
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@jack-berg @LironKS
jack-berg authored and LironKS committed Oct 23, 2022
1 parent cf7cc73 commit c2b6561
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Showing 22 changed files with 105 additions and 1,880 deletions.
7 changes: 3 additions & 4 deletions instrumentation/micrometer/micrometer-1.5/javaagent/build.gradle.kts
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Expand Up @@ -14,10 +14,9 @@ muzzle {
dependencies {
library("io.micrometer:micrometer-core:1.5.0")

implementation("io.opentelemetry:opentelemetry-micrometer1-shim") {
// just get the instrumentation, without micrometer itself
exclude("io.micrometer", "micrometer-core")
}
implementation(project(":instrumentation:micrometer:micrometer-1.5:library"))

testImplementation(project(":instrumentation:micrometer:micrometer-1.5:testing"))
}

tasks {
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5 changes: 0 additions & 5 deletions ...ntelemetry/javaagent/instrumentation/micrometer/v1_5/MicrometerInstrumentationModule.java
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Expand Up @@ -27,11 +27,6 @@ public ElementMatcher.Junction<ClassLoader> classLoaderMatcher() {
return hasClassesNamed("io.micrometer.core.instrument.config.validate.Validated");
}

@Override
public boolean isHelperClass(String className) {
return className.startsWith("io.opentelemetry.micrometer1shim.");
}

@Override
public List<TypeInstrumentation> typeInstrumentations() {
return Collections.singletonList(new MetricsInstrumentation());
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2 changes: 1 addition & 1 deletion ...java/io/opentelemetry/javaagent/instrumentation/micrometer/v1_5/MicrometerSingletons.java
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Expand Up @@ -7,8 +7,8 @@

import io.micrometer.core.instrument.MeterRegistry;
import io.opentelemetry.api.GlobalOpenTelemetry;
import io.opentelemetry.instrumentation.micrometer.v1_5.OpenTelemetryMeterRegistry;
import io.opentelemetry.javaagent.bootstrap.internal.InstrumentationConfig;
import io.opentelemetry.micrometer1shim.OpenTelemetryMeterRegistry;

public final class MicrometerSingletons {

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2 changes: 1 addition & 1 deletion .../main/java/io/opentelemetry/javaagent/instrumentation/micrometer/v1_5/TimeUnitParser.java
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Expand Up @@ -7,7 +7,7 @@

import static java.util.logging.Level.WARNING;

import io.opentelemetry.micrometer1shim.OpenTelemetryMeterRegistry;
import io.opentelemetry.instrumentation.micrometer.v1_5.OpenTelemetryMeterRegistry;
import java.util.Locale;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;
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66 changes: 8 additions & 58 deletions ...src/test/java/io/opentelemetry/javaagent/instrumentation/micrometer/v1_5/CounterTest.java
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Expand Up @@ -5,75 +5,25 @@

package io.opentelemetry.javaagent.instrumentation.micrometer.v1_5;

import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;

import io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.Metrics;
import io.opentelemetry.api.common.AttributeKey;
import io.opentelemetry.instrumentation.micrometer.v1_5.AbstractCounterTest;
import io.opentelemetry.instrumentation.testing.junit.AgentInstrumentationExtension;
import io.opentelemetry.instrumentation.testing.junit.InstrumentationExtension;
import org.assertj.core.api.AbstractIterableAssert;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.extension.RegisterExtension;

class CounterTest {

static final String INSTRUMENTATION_NAME = "io.opentelemetry.micrometer1shim";
class CounterTest extends AbstractCounterTest {

@RegisterExtension
static final InstrumentationExtension testing = AgentInstrumentationExtension.create();

@BeforeEach
void cleanupMeters() {
@AfterEach
public void cleanup() {
Metrics.globalRegistry.forEachMeter(Metrics.globalRegistry::remove);
}

@Test
void testCounter() throws Exception {
// given
Counter counter =
Counter.builder("testCounter")
.description("This is a test counter")
.tags("tag", "value")
.baseUnit("items")
.register(Metrics.globalRegistry);

// when
counter.increment();
counter.increment(2);

// then
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME,
"testCounter",
metrics ->
metrics.anySatisfy(
metric ->
assertThat(metric)
.hasDescription("This is a test counter")
.hasUnit("items")
.hasDoubleSumSatisfying(
sum ->
sum.isMonotonic()
.hasPointsSatisfying(
point ->
point
.hasValue(3)
.hasAttributesSatisfying(
equalTo(
AttributeKey.stringKey("tag"),
"value"))))));
testing.clearData();

// when
Metrics.globalRegistry.remove(counter);
counter.increment();

// then
Thread.sleep(100); // interval of the test metrics exporter
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME, "testCounter", AbstractIterableAssert::isEmpty);
@Override
protected InstrumentationExtension testing() {
return testing;
}
}
205 changes: 8 additions & 197 deletions ...a/io/opentelemetry/javaagent/instrumentation/micrometer/v1_5/DistributionSummaryTest.java
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Expand Up @@ -5,214 +5,25 @@

package io.opentelemetry.javaagent.instrumentation.micrometer.v1_5;

import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;

import io.micrometer.core.instrument.DistributionSummary;
import io.micrometer.core.instrument.Metrics;
import io.opentelemetry.api.common.AttributeKey;
import io.opentelemetry.instrumentation.micrometer.v1_5.AbstractDistributionSummaryTest;
import io.opentelemetry.instrumentation.testing.junit.AgentInstrumentationExtension;
import io.opentelemetry.instrumentation.testing.junit.InstrumentationExtension;
import org.assertj.core.api.AbstractIterableAssert;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.extension.RegisterExtension;

class DistributionSummaryTest {

static final String INSTRUMENTATION_NAME = "io.opentelemetry.micrometer1shim";
class DistributionSummaryTest extends AbstractDistributionSummaryTest {

@RegisterExtension
static final InstrumentationExtension testing = AgentInstrumentationExtension.create();

@BeforeEach
void cleanupMeters() {
@AfterEach
public void cleanup() {
Metrics.globalRegistry.forEachMeter(Metrics.globalRegistry::remove);
}

@Test
void testDistributionSummary() throws Exception {
// given
DistributionSummary summary =
DistributionSummary.builder("testSummary")
.description("This is a test distribution summary")
.baseUnit("things")
.scale(2.0)
.tags("tag", "value")
.register(Metrics.globalRegistry);

// when
summary.record(21);

// then
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME,
"testSummary",
metrics ->
metrics.anySatisfy(
metric ->
assertThat(metric)
.hasDescription("This is a test distribution summary")
.hasUnit("things")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasSum(42)
.hasCount(1)
.hasAttributesSatisfying(
equalTo(
AttributeKey.stringKey("tag"), "value"))))));
testing.clearData();

// when
Metrics.globalRegistry.remove(summary);
summary.record(6);

// then
Thread.sleep(100); // interval of the test metrics exporter
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME, "testSummary", AbstractIterableAssert::isEmpty);
}

@Test
void testMicrometerHistogram() {
// given
DistributionSummary summary =
DistributionSummary.builder("testSummaryHistogram")
.description("This is a test distribution summary")
.baseUnit("things")
.tags("tag", "value")
.serviceLevelObjectives(1, 10, 100, 1000)
.distributionStatisticBufferLength(10)
.register(Metrics.globalRegistry);

// when
summary.record(0.5);
summary.record(5);
summary.record(50);
summary.record(500);

// then
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME,
"testSummaryHistogram.histogram",
metrics ->
metrics.anySatisfy(
metric ->
assertThat(metric)
.hasDoubleGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point ->
point
.hasValue(1)
.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("le"), "1")),
point ->
point
.hasValue(2)
.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("le"), "10")),
point ->
point
.hasValue(3)
.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("le"), "100")),
point ->
point
.hasValue(4)
.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("le"), "1000"))))));
}

@Test
void testMicrometerPercentiles() {
// given
DistributionSummary summary =
DistributionSummary.builder("testSummaryPercentiles")
.description("This is a test distribution summary")
.baseUnit("things")
.tags("tag", "value")
.publishPercentiles(0.5, 0.95, 0.99)
.register(Metrics.globalRegistry);

// when
summary.record(50);
summary.record(100);

// then
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME,
"testSummaryPercentiles.percentile",
metrics ->
metrics.anySatisfy(
metric ->
assertThat(metric)
.hasDoubleGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point ->
point.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("phi"), "0.5")),
point ->
point.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("phi"), "0.95")),
point ->
point.hasAttributesSatisfying(
equalTo(AttributeKey.stringKey("tag"), "value"),
equalTo(AttributeKey.stringKey("phi"), "0.99"))))));
}

@Test
void testMicrometerMax() throws InterruptedException {
// given
DistributionSummary summary =
DistributionSummary.builder("testSummaryMax")
.description("This is a test distribution summary")
.baseUnit("things")
.tags("tag", "value")
.register(Metrics.globalRegistry);

// when
summary.record(1);
summary.record(2);
summary.record(4);

// then
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME,
"testSummaryMax.max",
metrics ->
metrics.anySatisfy(
metric ->
assertThat(metric)
.hasDescription("This is a test distribution summary")
.hasDoubleGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point ->
point
.hasValue(4)
.hasAttributesSatisfying(
equalTo(
AttributeKey.stringKey("tag"), "value"))))));

// when
Metrics.globalRegistry.remove(summary);
Thread.sleep(100); // give time for any inflight metric export to be received
testing.clearData();

// then
Thread.sleep(100); // interval of the test metrics exporter
testing.waitAndAssertMetrics(
INSTRUMENTATION_NAME, "testSummaryMax.max", AbstractIterableAssert::isEmpty);
@Override
protected InstrumentationExtension testing() {
return testing;
}
}
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