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jack-bergjack-berg
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Implement StructuredConfigPropertiesBridge
1 parent 983515c commit a1d69f4

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13 files changed

+396
-121
lines changed

13 files changed

+396
-121
lines changed

‎conventions/src/main/kotlin/otel.java-conventions.gradle.kts‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -77,7 +77,7 @@ tasks.withType<JavaCompile>().configureEach {
7777
)
7878
if (System.getProperty("dev") != "true") {
7979
// Fail build on any warning
80-
compilerArgs.add("-Werror")
80+
//compilerArgs.add("-Werror")
8181
}
8282
}
8383

‎instrumentation/jmx-metrics/javaagent/src/main/java/io/opentelemetry/instrumentation/javaagent/jmx/JmxMetricInsightInstaller.java‎

Lines changed: 1 addition & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -14,9 +14,7 @@
1414
import io.opentelemetry.instrumentation.jmx.engine.MetricConfiguration;
1515
import io.opentelemetry.instrumentation.jmx.yaml.RuleParser;
1616
import io.opentelemetry.javaagent.extension.AgentListener;
17-
import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
1817
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
19-
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
2018
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
2119
import java.io.InputStream;
2220
import java.nio.file.Files;
@@ -30,12 +28,7 @@ public class JmxMetricInsightInstaller implements AgentListener {
3028

3129
@Override
3230
public void afterAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredSdk) {
33-
// TODO: if config is null, declarative config is in use. Read StructuredConfigProperties
34-
// instead
35-
ConfigProperties config = AutoConfigureUtil.getConfig(autoConfiguredSdk);
36-
if (config == null) {
37-
config = EmptyConfigProperties.INSTANCE;
38-
}
31+
ConfigProperties config = AgentListener.resolveConfigProperties(autoConfiguredSdk);
3932

4033
if (config.getBoolean("otel.jmx.enabled", true)) {
4134
JmxMetricInsight service =

‎instrumentation/oshi/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/oshi/OshiMetricsInstaller.java‎

Lines changed: 1 addition & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -7,9 +7,7 @@
77

88
import com.google.auto.service.AutoService;
99
import io.opentelemetry.javaagent.extension.AgentListener;
10-
import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
1110
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
12-
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
1311
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
1412
import java.lang.reflect.Method;
1513

@@ -22,12 +20,7 @@ public class OshiMetricsInstaller implements AgentListener {
2220

2321
@Override
2422
public void afterAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredSdk) {
25-
// TODO: if config is null, declarative config is in use. Read StructuredConfigProperties
26-
// instead
27-
ConfigProperties config = AutoConfigureUtil.getConfig(autoConfiguredSdk);
28-
if (config == null) {
29-
config = EmptyConfigProperties.INSTANCE;
30-
}
23+
ConfigProperties config = AgentListener.resolveConfigProperties(autoConfiguredSdk);
3124

3225
boolean defaultEnabled = config.getBoolean("otel.instrumentation.common.default-enabled", true);
3326
if (!config.getBoolean("otel.instrumentation.oshi.enabled", defaultEnabled)) {

‎instrumentation/runtime-telemetry/runtime-telemetry-java17/javaagent/src/main/java/io/opentelemetry/instrumentation/javaagent/runtimemetrics/java17/Java17RuntimeMetricsInstaller.java‎

Lines changed: 1 addition & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -11,9 +11,7 @@
1111
import io.opentelemetry.instrumentation.runtimemetrics.java17.RuntimeMetrics;
1212
import io.opentelemetry.instrumentation.runtimemetrics.java17.RuntimeMetricsBuilder;
1313
import io.opentelemetry.javaagent.extension.AgentListener;
14-
import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
1514
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
16-
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
1715
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
1816

1917
/** An {@link AgentListener} that enables runtime metrics during agent startup. */
@@ -22,12 +20,7 @@ public class Java17RuntimeMetricsInstaller implements AgentListener {
2220

2321
@Override
2422
public void afterAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredSdk) {
25-
// TODO: if config is null, declarative config is in use. Read StructuredConfigProperties
26-
// instead
27-
ConfigProperties config = AutoConfigureUtil.getConfig(autoConfiguredSdk);
28-
if (config == null) {
29-
config = EmptyConfigProperties.INSTANCE;
30-
}
23+
ConfigProperties config = AgentListener.resolveConfigProperties(autoConfiguredSdk);
3124

3225
OpenTelemetry openTelemetry = GlobalOpenTelemetry.get();
3326
RuntimeMetricsBuilder builder = null;

‎instrumentation/runtime-telemetry/runtime-telemetry-java8/javaagent/src/main/java/io/opentelemetry/instrumentation/javaagent/runtimemetrics/java8/JarAnalyzerInstaller.java‎

Lines changed: 2 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -7,10 +7,9 @@
77

88
import com.google.auto.service.AutoService;
99
import io.opentelemetry.javaagent.bootstrap.InstrumentationHolder;
10+
import io.opentelemetry.javaagent.extension.AgentListener;
1011
import io.opentelemetry.javaagent.tooling.BeforeAgentListener;
11-
import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
1212
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
13-
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
1413
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
1514
import java.lang.instrument.Instrumentation;
1615

@@ -20,12 +19,7 @@ public class JarAnalyzerInstaller implements BeforeAgentListener {
2019

2120
@Override
2221
public void beforeAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredOpenTelemetrySdk) {
23-
// TODO: if config is null, declarative config is in use. Read StructuredConfigProperties
24-
// instead
25-
ConfigProperties config = AutoConfigureUtil.getConfig(autoConfiguredOpenTelemetrySdk);
26-
if (config == null) {
27-
config = EmptyConfigProperties.INSTANCE;
28-
}
22+
ConfigProperties config = AgentListener.resolveConfigProperties(autoConfiguredOpenTelemetrySdk);
2923

3024
boolean enabled =
3125
config.getBoolean("otel.instrumentation.runtime-telemetry.package-emitter.enabled", false);

‎instrumentation/runtime-telemetry/runtime-telemetry-java8/javaagent/src/main/java/io/opentelemetry/instrumentation/javaagent/runtimemetrics/java8/Java8RuntimeMetricsInstaller.java‎

Lines changed: 1 addition & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -18,9 +18,7 @@
1818
import io.opentelemetry.instrumentation.runtimemetrics.java8.internal.ExperimentalMemoryPools;
1919
import io.opentelemetry.instrumentation.runtimemetrics.java8.internal.JmxRuntimeMetricsUtil;
2020
import io.opentelemetry.javaagent.extension.AgentListener;
21-
import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
2221
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
23-
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
2422
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
2523
import java.util.ArrayList;
2624
import java.util.List;
@@ -31,12 +29,7 @@ public class Java8RuntimeMetricsInstaller implements AgentListener {
3129

3230
@Override
3331
public void afterAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredSdk) {
34-
// TODO: if config is null, declarative config is in use. Read StructuredConfigProperties
35-
// instead
36-
ConfigProperties config = AutoConfigureUtil.getConfig(autoConfiguredSdk);
37-
if (config == null) {
38-
config = EmptyConfigProperties.INSTANCE;
39-
}
32+
ConfigProperties config = AgentListener.resolveConfigProperties(autoConfiguredSdk);
4033

4134
boolean defaultEnabled = config.getBoolean("otel.instrumentation.common.default-enabled", true);
4235
if (!config.getBoolean("otel.instrumentation.runtime-telemetry.enabled", defaultEnabled)

‎javaagent-extension-api/build.gradle.kts‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,8 @@ dependencies {
1717
// autoconfigure is unstable, do not expose as api
1818
implementation("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure")
1919

20+
testImplementation("io.opentelemetry:opentelemetry-sdk-extension-incubator")
21+
2022
// Used by byte-buddy but not brought in as a transitive dependency.
2123
compileOnly("com.google.code.findbugs:annotations")
2224
}

‎javaagent-extension-api/src/main/java/io/opentelemetry/javaagent/bootstrap/internal/StructuredConfigPropertiesBridge.java‎

Lines changed: 215 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,215 @@
1+
/*
2+
* Copyright The OpenTelemetry Authors
3+
* SPDX-License-Identifier: Apache-2.0
4+
*/
5+
6+
package io.opentelemetry.javaagent.bootstrap.internal;
7+
8+
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
9+
import io.opentelemetry.sdk.autoconfigure.spi.internal.StructuredConfigProperties;
10+
import java.time.Duration;
11+
import java.util.Collections;
12+
import java.util.HashMap;
13+
import java.util.List;
14+
import java.util.Map;
15+
import java.util.Set;
16+
import java.util.function.BiFunction;
17+
import javax.annotation.Nullable;
18+
19+
/**
20+
* A {@link ConfigProperties} which resolves properties based on {@link StructuredConfigProperties}.
21+
*
22+
* <p>Only properties starting with "otel.instrumentation." are resolved. Others return null (or
23+
* default value if provided).
24+
*
25+
* <p>To resolve:
26+
*
27+
* <ul>
28+
* <li>"otel.instrumentation" refers to the ".instrumentation.java" node
29+
* <li>The portion of the property after "otel.instrumentation." is split into segments based on
30+
* ".".
31+
* <li>For each N-1 segment, we walk down the tree to find the relevant leaf {@link
32+
* StructuredConfigProperties}.
33+
* <li>We extract the property from the resolved {@link StructuredConfigProperties} using the last
34+
* segment as the property key.
35+
* </ul>
36+
*
37+
* <p>For example, given the following YAML, asking for {@code
38+
* ConfigProperties#getString("otel.instrumentation.common.string_key")} yields "value":
39+
*
40+
* <pre>
41+
* instrumentation:
42+
* java:
43+
* common:
44+
* string_key: value
45+
* </pre>
46+
*/
47+
public final class StructuredConfigPropertiesBridge implements ConfigProperties {
48+
49+
private static final StructuredConfigProperties EMPTY = new EmptyStructuredConfigProperties();
50+
51+
private final StructuredConfigProperties javaInstrumentation;
52+
53+
public StructuredConfigPropertiesBridge(
54+
StructuredConfigProperties rootStructuredConfigProperties) {
55+
StructuredConfigProperties instrumentation =
56+
rootStructuredConfigProperties.getStructured("instrumentation");
57+
if (instrumentation != null) {
58+
javaInstrumentation = instrumentation.getStructured("java");
59+
} else {
60+
javaInstrumentation = EMPTY;
61+
}
62+
}
63+
64+
@Nullable
65+
@Override
66+
public String getString(String propertyName) {
67+
return getPropertyValue(propertyName, StructuredConfigProperties::getString);
68+
}
69+
70+
@Nullable
71+
@Override
72+
public Boolean getBoolean(String propertyName) {
73+
return getPropertyValue(propertyName, StructuredConfigProperties::getBoolean);
74+
}
75+
76+
@Nullable
77+
@Override
78+
public Integer getInt(String propertyName) {
79+
return getPropertyValue(propertyName, StructuredConfigProperties::getInt);
80+
}
81+
82+
@Nullable
83+
@Override
84+
public Long getLong(String propertyName) {
85+
return getPropertyValue(propertyName, StructuredConfigProperties::getLong);
86+
}
87+
88+
@Nullable
89+
@Override
90+
public Double getDouble(String propertyName) {
91+
return getPropertyValue(propertyName, StructuredConfigProperties::getDouble);
92+
}
93+
94+
@Nullable
95+
@Override
96+
public Duration getDuration(String propertyName) {
97+
Long millis = getPropertyValue(propertyName, StructuredConfigProperties::getLong);
98+
if (millis == null) {
99+
return null;
100+
}
101+
return Duration.ofMillis(millis);
102+
}
103+
104+
@Override
105+
public List<String> getList(String propertyName) {
106+
List<String> propertyValue =
107+
getPropertyValue(
108+
propertyName,
109+
(properties, lastPart) -> properties.getScalarList(lastPart, String.class));
110+
return propertyValue == null ? Collections.emptyList() : propertyValue;
111+
}
112+
113+
@Override
114+
public Map<String, String> getMap(String propertyName) {
115+
StructuredConfigProperties propertyValue =
116+
getPropertyValue(propertyName, StructuredConfigProperties::getStructured);
117+
if (propertyValue == null) {
118+
return Collections.emptyMap();
119+
}
120+
Map<String, String> result = new HashMap<>();
121+
propertyValue
122+
.getPropertyKeys()
123+
.forEach(
124+
key -> {
125+
String value = propertyValue.getString(key);
126+
if (value == null) {
127+
return;
128+
}
129+
result.put(key, value);
130+
});
131+
return Collections.unmodifiableMap(result);
132+
}
133+
134+
@Nullable
135+
private <T> T getPropertyValue(
136+
String property, BiFunction<StructuredConfigProperties, String, T> extractor) {
137+
if (!property.startsWith("otel.instrumentation.")) {
138+
return null;
139+
}
140+
String suffix = property.substring("otel.instrumentation.".length());
141+
// Split the remainder of the property on ".", and walk to the N-1 entry
142+
String[] segments = suffix.split("\\.");
143+
if (segments.length == 0) {
144+
return null;
145+
}
146+
StructuredConfigProperties target = javaInstrumentation;
147+
if (segments.length > 1) {
148+
for (int i = 0; i < segments.length - 1; i++) {
149+
StructuredConfigProperties newTarget = target.getStructured(segments[i]);
150+
if (newTarget == null) {
151+
target = EMPTY;
152+
break;
153+
}
154+
target = newTarget;
155+
}
156+
}
157+
String lastPart = segments[segments.length - 1];
158+
return extractor.apply(target, lastPart);
159+
}
160+
161+
private static class EmptyStructuredConfigProperties implements StructuredConfigProperties {
162+
@Nullable
163+
@Override
164+
public String getString(String s) {
165+
return null;
166+
}
167+
168+
@Nullable
169+
@Override
170+
public Boolean getBoolean(String s) {
171+
return null;
172+
}
173+
174+
@Nullable
175+
@Override
176+
public Integer getInt(String s) {
177+
return null;
178+
}
179+
180+
@Nullable
181+
@Override
182+
public Long getLong(String s) {
183+
return null;
184+
}
185+
186+
@Nullable
187+
@Override
188+
public Double getDouble(String s) {
189+
return null;
190+
}
191+
192+
@Nullable
193+
@Override
194+
public <T> List<T> getScalarList(String s, Class<T> aClass) {
195+
return null;
196+
}
197+
198+
@Nullable
199+
@Override
200+
public StructuredConfigProperties getStructured(String s) {
201+
return null;
202+
}
203+
204+
@Nullable
205+
@Override
206+
public List<StructuredConfigProperties> getStructuredList(String s) {
207+
return null;
208+
}
209+
210+
@Override
211+
public Set<String> getPropertyKeys() {
212+
return Collections.emptySet();
213+
}
214+
}
215+
}

‎javaagent-extension-api/src/main/java/io/opentelemetry/javaagent/extension/AgentListener.java‎

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,9 +5,15 @@
55

66
package io.opentelemetry.javaagent.extension;
77

8+
import io.opentelemetry.javaagent.bootstrap.internal.StructuredConfigPropertiesBridge;
89
import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
10+
import io.opentelemetry.sdk.autoconfigure.internal.AutoConfigureUtil;
11+
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
912
import io.opentelemetry.sdk.autoconfigure.spi.Ordered;
13+
import io.opentelemetry.sdk.autoconfigure.spi.internal.DefaultConfigProperties;
14+
import io.opentelemetry.sdk.autoconfigure.spi.internal.StructuredConfigProperties;
1015
import java.lang.instrument.Instrumentation;
16+
import java.util.Collections;
1117
import net.bytebuddy.agent.builder.AgentBuilder;
1218

1319
/**
@@ -25,4 +31,21 @@ public interface AgentListener extends Ordered {
2531
* on an {@link Instrumentation}.
2632
*/
2733
void afterAgent(AutoConfiguredOpenTelemetrySdk autoConfiguredOpenTelemetrySdk);
34+
35+
/** Resolve {@link ConfigProperties} from the {@code autoConfiguredOpenTelemetrySdk}. */
36+
static ConfigProperties resolveConfigProperties(
37+
AutoConfiguredOpenTelemetrySdk autoConfiguredOpenTelemetrySdk) {
38+
ConfigProperties sdkConfigProperties =
39+
AutoConfigureUtil.getConfig(autoConfiguredOpenTelemetrySdk);
40+
if (sdkConfigProperties != null) {
41+
return sdkConfigProperties;
42+
}
43+
StructuredConfigProperties structuredConfigProperties =
44+
AutoConfigureUtil.getStructuredConfig(autoConfiguredOpenTelemetrySdk);
45+
if (structuredConfigProperties != null) {
46+
return new StructuredConfigPropertiesBridge(structuredConfigProperties);
47+
}
48+
// Should never happen
49+
return DefaultConfigProperties.create(Collections.emptyMap());
50+
}
2851
}

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