add opentelemetry (#752)

opentelemetry-java-instrumentation/.gitignore

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+# Maven #
+#########
+target
+/target
+**/dependency-reduced-pom.xml
+
+# Gradle #
+#########
+!**/gradle/wrapper/*
+.gradle
+**/build/
+examples/**/build/
+
+# Eclipse #
+###########
+*.launch
+.settings
+.project
+.classpath
+# Eclipse is odd in assuming in can use bin to put temp files into it
+# This assumes we do not have sub-projects that actually need bin files committed
+*/bin/
+
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+Icon?
+ehthumbs.db
+Thumbs.db
+
+# Intellij Idea #
+#################
+.idea
+*.iml
+*.ipr
+*.iws
+out/
+
+# Visual Studio Code #
+######################
+.vscode
+
+# Others #
+##########
+/logs/*
+/bin
+/out
+/workspace
+java-agent/benchmark-integration/perf-test-settings.rc
+derby.log
+.java-version
+hs_err_pid*
+replay_pid*
+
+!java-agent/benchmark/releases/*.jar
+

opentelemetry-java-instrumentation/CHANGELOG.md

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+# Changelog
+
+## Unreleased
+
+### 🌟 New javaagent instrumentation
+
+- Spring Integration javaagent instrumentation (#3295)
+
+### 🌟 New library instrumentation
+
+- Spring Integration library instrumentation (#3120)
+
+### 📈 Enhancements
+
+- Support peer-service-mapping in OkHttp3 instrumentation (#3063)
+- Low cardinality span names for Hibernate spans (#3106)
+- Propagate context to armeria callbacks (#3108)
+- Add attributes to netty connection failure span (#3115)
+- Defer initialization of OpenTelemetry in spring-boot-autoconfigure (#3171)
+- Support couchbase 3.1.6 (#3194)
+- New experimental support for agent extensions (#2881, #3071, #3226, #3237)
+- Propagate context to akka http callbacks (#3263)
+
+### Behavioral changes
+
+- Update agent logger prefix (#3007)
+- Remove khttp instrumentation (#3087)
+- Enable akka actor instrumentation by default (#3173)
+
+### 🛠️ Bug fixes
+
+- Remove Netty instrumented handler wrapper when original handler is removed (#3026)
+- Fix memory leak when Netty handler is a lambda (#3059)
+- Fix race condition on Undertow (#2992)
+- Remove db.connection_string from redis instrumentation (#3094)
+- Fix context propagation leak in Akka instrumentation (#3099)
+- Fix webflux handler span sporadically not ending (#3150)
+- End span on cancellation of subscription to reactive publishers (#3153)
+- End span on cancellation of Guava future (#3175)
+- Create Netty connection failure span only when first operation fails (#3228)
+- Internal instrumentation should always be enabled by default (#3257)
+- Fix context propagation leak in Akka HTTP instrumentation (#3264)
+- Only include exporters in the `-all` jar (#3286)
+- Fix ForkJoinPool sometimes not instrumented (#3293)
+
+### 🧰 Tooling
+
+- Migrate MuzzlePlugin to Java (#2996, #3017)
+- Refactor TypeInstrumentation#transformers() method (#3019)
+- Change a couple of Longs to Integers in Instrumenter API (#3043)
+- Add peer.service to Instrumenter API (#3050)
+- Add response type parameter to db attributes extractor (#3093)
+- Add optimized Attributes implementation for Instrumenter (#3136)
+- Rename ComponentInstaller to AgentListener and add #order() method (#3182)
+- Update ByteBuddy (#3254)
+- Introduce IgnoredTypesConfigurer SPI to enable defining per-module ignores (#3219)
+- Extract agent shadow configuration to conventions script (#3256)
+- Deprecate SpanExporterFactory in favor of ConfigurableSpanExporterProvider (#3299)
+- Refactor span names class (#3281)
+- Move http client/server testing dependencies to internal package (#3305)
+
+## Version 1.2.0 - 2021-05-14
+
+### 🌟 New javaagent instrumentation
+
+- RxJava 3
+  ([#2794](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2794))
+
+### 🌟 New library instrumentation
+
+- RxJava 3
+  ([#2794](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2794))
+
+### 📈 Enhancements
+
+- Support sub-millisecond precision for start/end times on Java 9+
+  ([#2600](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2600))
+- `@WithSpan` async support added for methods returning async Reactor 3.x types
+  ([#2714](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2714))
+- `@WithSpan` async support added for methods returning Guava ListenableFuture
+  ([#2811](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2811))
+- Semantic attributes `code.namespace` and `code.function` captured on JAX-RS internal spans
+  ([#2805](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2805))
+- Context propagated to reactor-netty callbacks
+  ([#2850](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2850))
+
+### Behavioral changes
+
+- AWS lambda flush timeout raised to 10 seconds
+  ([#2855](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2855))
+- `SERVER` span names improved for Spring MVC, Grails, Wicket, and Struts
+  ([#2814](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2814))
+- `SERVER` span names improved for Servlet filters
+  ([#2887](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2887))
+- `SERVER` span names improved for Resteasy
+  ([#2900](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2900))
+- `SERVER` span names improved for Jersey and CXF
+  ([#2919](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2919))
+- JAX-RS `@ApplicationPath` annotation captured as part of `SERVER` span name
+  ([#2824](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2824))
+- RequestDispatcher `forward()` and `include()` internal spans removed
+  ([#2816](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2816))
+- Raised gRPC min version supported to 1.6 in order to use new gRPC context bridge API
+  ([#2948](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2948))
+
+### 🛠️ Bug fixes
+
+- gRPC context bridging issues
+  ([#2564](https://github.com/open-telemetry/opentelemetry-java-instrumentation/issue/2564),
+  [#2959](https://github.com/open-telemetry/opentelemetry-java-instrumentation/issue/2959))
+- URL credentials of the form `https://username:[email protected]/` no longer captured
+  ([#2707](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2707))
+- Spring MVC instrumentation can cause Spring MVC to misroute requests under some conditions
+  ([#2815](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2815))
+- RxJava2 NoSuchFieldError
+  ([#2836](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2836))
+- Duplicate http client tracing headers
+  ([#2842](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2842))
+- Netty 4.1 listeners could not be removed by application
+  ([#2851](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2851))
+- NPE caused in gRPC ProtoReflectionService
+  ([#2876](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2876))
+- Context leak when using Ratpack
+  ([#2910](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2910))
+- Context leak when using Jetty
+  ([#2920](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2920))
+- Servlet instrumentation overwrites setStatus that was set manually earlier
+  ([#2929](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2929))
+- Spans not captured on interface default methods annotated with JAX-RS annotations
+  ([#2930](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2930))
+
+### 🧰 Tooling
+
+- Documented how to write InstrumentationModule line by line
+  ([#2793](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2793))
+- New instrumenter API used in JMS instrumentation
+  ([#2803](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2803))
+- Instrumenter API improvements
+  ([#2860](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2860))
+- Muzzle checks whether used fields are actually declared somewhere
+  ([#2870](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2870))
+- Extracted javaagent-extension-api from tooling & spi
+  ([#2879](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2879))
+  - You no longer have to depend on the `javaagent-tooling` module to implement custom instrumentations: a new `javaagent-extension-api` module was introduced, containing all the necessary instrumentation classes and interfaces;
+  - `InstrumentationModule` and `TypeInstrumentation` were moved to the `io.opentelemetry.javaagent.extension.instrumentation` package;
+  - `AgentElementMatchers`, `ClassLoaderMatcher` and `NameMatchers` were moved to the `io.opentelemetry.javaagent.extension.matcher` package;
+  - A new SPI `AgentExtension` was introduced: it replaces `ByteBuddyAgentCustomizer`;
+  - `InstrumentationModule#getOrder()` was renamed to `order()`;
+  - `InstrumentationModule#additionalHelperClassNames()` has been removed; use `isHelperClass(String)` instead if you use the muzzle compile plugin. If you're not using muzzle, you can override `getMuzzleHelperClassNames()` directly instead;
+  - `InstrumentationModule#getAllHelperClassNames()` has been removed; you can call `getMuzzleHelperClassNames()` to retrieve all helper class names instead.
+
+## Version 1.1.0 - 2021-04-14
+
+### ☢️ Breaking changes
+
+- Update servlet attribute names for log injection, from `traceId` and `spanId` to `trace_id` and
+  `span_id`
+  ([#2593](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2593))
+- Renamed `runtime.jvm.gc.collection` metric to `runtime.jvm.gc.time`
+  ([#2616](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2616))
+
+### 🌟 New javaagent instrumentation
+
+- Elasticsearch 7
+  ([#2514](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2514),
+  [#2528](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2528))
+- Couchbase 3.1
+  ([#2524](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2524))
+- Grails
+  ([#2512](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2512))
+- RocketMQ
+  ([#2263](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2263))
+- Lettuce 6
+  ([#2589](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2589))
+- Servlet 5
+  ([#2609](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2609))
+- Vaadin web framework
+  ([#2619](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2619))
+- GWT
+  ([#2652](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2652))
+- Tapestry web framework
+  ([#2690](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2690))
+- `@WithSpan` support for methods returning CompletableFuture
+  ([#2530](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2530))
+- `@WithSpan` support for methods returning async RxJava 2 types
+  ([#2530](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2530))
+
+### 🌟 New library instrumentation
+
+- Library instrumentation for AWS SDK v1
+  ([#2525](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2525))
+- Library instrumentation for Lettuce 5.1
+  ([#2533](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2533))
+- RocketMQ
+  ([#2263](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2263))
+- Lettuce 6
+  ([#2589](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2589))
+- Spring Boot Autoconfigure support for `@WithSpan` methods returning CompletableFuture
+  ([#2618](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2618))
+- Spring Boot Autoconfigure support for `@WithSpan` methods returning async RxJava 2 types
+  ([#2530](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2530))
+
+### 📈 Improvements
+
+- Move attributes to span builder for use by samplers
+  ([#2587](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2587))
+- Apache Camel - SNS propagation
+  ([#2562](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2562))
+- Apache Camel - S3 to SQS propagation
+  ([#2583](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2583))
+- Added `runtime.jvm.gc.count` metric
+  ([#2616](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2616))
+- Support reactor netty `HttpClient.from` construction
+  ([#2650](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2650))
+- Improve akka instrumentation
+  ([#2737](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2737))
+- Record internal metric for SQL cache misses
+  ([#2747](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2747))
+- End Netty 4.1 client and server spans when the response has completed, instead of when the
+  response has started
+  ([#2641](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2641))
+
+### 🛠️ Bug fixes
+
+- Fix RestTemplateInterceptor so that it calls endExceptionally() on exception
+  ([#2516](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2516))
+- Fix app failure under Eclipse OSGi
+  ([#2521](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2521))
+- Fix undertow span ending too early
+  ([#2560](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2560))
+- Fix context leak in AWS SDK 2.2 and RocketMQ instrumentations
+  ([#2637](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2637))
+- Fix hang when a webflux http request is made inside of another webflux http request
+  (e.g. auth filter)
+  ([#2646](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2646))
+- Fix `@WithSpan` instrumentation breaking Java 6 classes
+  ([#2699](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2699))
+- Fix context not propagated over JMS when explicit destination used
+  ([#2702](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2702))
+- Fix StackOverflowError if jdbc driver implementation of Connection getMetaData calls Statement
+  execute
+  ([#2756](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2756))
+
+### 🧰 Tooling
+
+- Make muzzle reference creation package(s) configurable
+  ([#2615](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2615))
+- Instrumentations now can skip defining context store manually
+  ([#2775](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2775))
+- New Instrumenter API
+  ([#2596](https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/2596))

opentelemetry-java-instrumentation/CONTRIBUTING.md

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+## Contributing
+
+Pull requests for bug fixes are welcome, but before submitting new features
+or changes to current functionality [open an
+issue](https://github.com/open-telemetry/opentelemetry-java-instrumentation/issues/new)
+and discuss your ideas or propose the changes you wish to make. After a
+resolution is reached a PR can be submitted for review.
+
+In order to build and test this whole repository you need JDK 11+.
+Some instrumentations and tests may put constraints on which java versions they support.
+See [Running the tests](./docs/contributing/running-tests.md) for more details.
+
+### Building
+
+#### Snapshot builds
+
+For developers testing code changes before a release is complete, there are
+snapshot builds of the `main` branch. They are available from
+the Sonatype OSS snapshots repository at https://oss.sonatype.org/content/repositories/snapshots/ ([browse](https://oss.sonatype.org/content/repositories/snapshots/io/opentelemetry/))
+
+#### Building from source
+
+Build using Java 11:
+
+```bash
+java -version
+```
+
+```bash
+./gradlew assemble
+```
+
+and then you can find the java agent artifact at
+
+`javaagent/build/libs/opentelemetry-javaagent-<version>-all.jar`.
+
+### IntelliJ setup
+
+See [IntelliJ setup](docs/contributing/intellij-setup.md)
+
+### Style guide
+
+See [Style guide](docs/contributing/style-guideline.md)
+
+### Running the tests
+
+See [Running the tests](docs/contributing/running-tests.md)
+
+### Writing instrumentation
+
+See [Writing instrumentation](docs/contributing/writing-instrumentation.md)
+
+### Understanding the javaagent components
+
+See [Understanding the javaagent components](docs/contributing/javaagent-jar-components.md)
+
+### Understanding the javaagent instrumentation testing components
+
+See [Understanding the javaagent instrumentation testing components](docs/contributing/javaagent-test-infra.md)
+
+### Debugging
+
+See [Debugging](docs/contributing/debugging.md)
+
+### Understanding Muzzle
+
+See [Understanding Muzzle](docs/contributing/muzzle.md)