项目作者: open-telemetry

项目描述 :
OpenTelemetry Java SDK
高级语言: Java
项目地址: git://github.com/open-telemetry/opentelemetry-java.git
创建时间: 2019-02-26T16:43:36Z
项目社区:https://github.com/open-telemetry/opentelemetry-java

开源协议:Apache License 2.0

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OpenTelemetry Java

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opentelemetry-java is the home of the Java implementation of the OpenTelemetry API for recording
telemetry, and SDK for managing telemetry recorded by the API.

See opentelemetry.io Java Documentation for:

  • An overview of the OpenTelemetry Java ecosystem and key repositories
  • Detailed documentation on the components published from this repository
  • Review of instrumentation ecosystem, including OpenTelemetry Java agent
  • End-to-end working code examples
  • And more

[!IMPORTANT]
We are currently seeking additional contributors! See help wanted for details.

Requirements

Unless otherwise noted, all published artifacts support Java 8 or higher.
See language version compatibility for complete
details.

Android Disclaimer: For compatibility
reasons, library desugaring
must be enabled.

See contributing for details on building this project locally.

Releases

Releases are published to maven central. We
publish minor releases monthly
and patch releases as needed.

See releases for a listing of
released versions and notes (see also changelog).

Artifacts

The artifacts published by this repository are summarized below in tables, organized in collapsible
sections by topic.

As discussed in compatibility, artifact versions must be kept in sync, for which
we strongly recommend using one of our BOMs.


Bill of Materials (BOMs)

A bill of materials (or BOM) helps sync dependency versions of related artifacts.

| Component | Description | Artifact ID | Version | Javadoc |
|———————————————————————|————————————————————|—————————————-|——————————————————————————————-|————-|
| Bill of Materials (BOM) | Bill of materials for stable artifacts | opentelemetry-bom | 1.49.0 | N/A |
| Alpha Bill of Materials (BOM) | Bill of materials for alpha artifacts | opentelemetry-bom-alpha | 1.49.0-alpha | N/A |

API

The OpenTelemetry API for recording telemetry.

| Component | Description | Artifact ID | Version | Javadoc |
|—————————————————-|———————————————————————————————————————————|———————————————-|——————————————————————————————-|———————————————————————————————————————————————————————————————————————————————————-|
| API | OpenTelemetry API, including metrics, traces, baggage, context | opentelemetry-api | 1.49.0 | Javadocs |
| API Incubator | API incubator, including pass through propagator, and extended tracer, and Event API | opentelemetry-api-incubator | 1.49.0-alpha | Javadocs |
| Context API | OpenTelemetry context API | opentelemetry-context | 1.49.0 | Javadocs |

API Extensions

Extensions to the OpenTelemetry API.

| Component | Description | Artifact ID | Version | Javadoc |
|———————————————————————————————-|————————————————————————————————————————————————————————————————————————————————————————————-|——————————————————————-|——————————————————————————————-|—————————————————————————————————————————————————————————————————————————————————————————————————-|
| Kotlin Extension | Context extension for coroutines | opentelemetry-extension-kotlin | 1.49.0 | Javadocs |
| Trace Propagators Extension | Trace propagators, including B3, Jaeger, OT Trace | opentelemetry-extension-trace-propagators | 1.49.0 | Javadocs |

SDK

The OpenTelemetry SDK for managing telemetry producing by the API.

| Component | Description | Artifact ID | Version | Javadoc |
|———————————————|————————————————————————————|——————————————-|—————————————————————————-|—————————————————————————————————————————————————————————————————————————————————-|
| SDK | OpenTelemetry SDK, including metrics, traces, and logs | opentelemetry-sdk | 1.49.0 | Javadocs |
| Metrics SDK | OpenTelemetry metrics SDK | opentelemetry-sdk-metrics | 1.49.0 | Javadocs |
| Trace SDK | OpenTelemetry trace SDK | opentelemetry-sdk-trace | 1.49.0 | Javadocs |
| Log SDK | OpenTelemetry log SDK | opentelemetry-sdk-logs | 1.49.0 | Javadocs |
| SDK Common | Shared SDK components | opentelemetry-sdk-common | 1.49.0 | Javadocs |
| SDK Testing | Components for testing OpenTelemetry instrumentation | opentelemetry-sdk-testing | 1.49.0 | Javadocs |

SDK Exporters

SDK exporters for shipping traces, metrics, and logs out of process.

| Component | Description | Artifact ID | Version | Javadoc |
|———————————————————————————————————-|———————————————————————————————————————|———————————————————————————|——————————————————————————————-|——————————————————————————————————————————————————————————————————————————————————————————————————————————-|
| OTLP Exporters | OTLP gRPC & HTTP exporters, including traces, metrics, and logs | opentelemetry-exporter-otlp | 1.49.0 | Javadocs |
| OTLP Logging Exporters | Logging exporters in OTLP JSON encoding, including traces, metrics, and logs | opentelemetry-exporter-logging-otlp | 1.49.0 | Javadocs |
| OTLP Common | Shared OTLP components (internal) | opentelemetry-exporter-otlp-common | 1.49.0 | Javadocs |
| Logging Exporter | Logging exporters, including metrics, traces, and logs | opentelemetry-exporter-logging | 1.49.0 | Javadocs |
| Zipkin Exporter | Zipkin trace exporter | opentelemetry-exporter-zipkin | 1.49.0 | Javadocs |
| Prometheus Exporter | Prometheus metric exporter | opentelemetry-exporter-prometheus | 1.49.0-alpha | Javadocs |
| Exporter Common | Shared exporter components (internal) | opentelemetry-exporter-common | 1.49.0 | Javadocs |
| OkHttp Sender | OkHttp implementation of HttpSender (internal) | opentelemetry-exporter-sender-okhttp | 1.49.0 | Javadocs |
| JDK Sender | Java 11+ native HttpClient implementation of HttpSender (internal) | opentelemetry-exporter-sender-jdk | 1.49.0 | Javadocs | |
| gRPC ManagedChannel Sender | gRPC ManagedChannel implementation of GrpcSender (internal) | opentelemetry-exporter-sender-grpc-managed-channel | 1.49.0 | Javadocs | |

SDK Extensions

Extensions to the OpenTelemetry SDK.

| Component | Description | Artifact ID | Version | Javadoc |
|———————————————————————————————————————-|——————————————————————————————————————————|——————————————————————————-|——————————————————————————————-|—————————————————————————————————————————————————————————————————————————————————————————————————————————-|
| SDK Autoconfigure | Autoconfigure OpenTelemetry SDK from env vars, system properties, and SPI | opentelemetry-sdk-extension-autoconfigure | 1.49.0 | Javadocs |
| SDK Autoconfigure SPI | Service Provider Interface (SPI) definitions for autoconfigure | opentelemetry-sdk-extension-autoconfigure-spi | 1.49.0 | Javadocs |
| SDK Jaeger Remote Sampler Extension | Sampler which obtains sampling configuration from remote Jaeger server | opentelemetry-sdk-extension-jaeger-remote-sampler | 1.49.0 | Javadocs |
| SDK Incubator | SDK incubator, including YAML based view configuration, LeakDetectingSpanProcessor | opentelemetry-sdk-extension-incubator | 1.49.0-alpha | Javadocs |

Shims

Shims for bridging data from one observability library to another.

| Component | Description | Artifact ID | Version | Javadoc |
|————————————————————|———————————————————————————————|—————————————————|——————————————————————————————-|——————————————————————————————————————————————————————————————————————————————————————-|
| OpenCensus Shim | Bridge opencensus metrics into the OpenTelemetry metrics SDK | opentelemetry-opencensus-shim | 1.49.0-alpha | Javadocs |
| OpenTracing Shim | Bridge opentracing spans into the OpenTelemetry trace API | opentelemetry-opentracing-shim | 1.49.0 | Javadocs |

Dependencies

To take a dependency, include a BOM and specify the dependency as follows,
replacing {{artifact-id}} with the value from the “Artifact ID” column
from artifacts:


Gradle

groovy implementation('io.opentelemetry:{{artifact-id}}')

Maven

xml <dependency> <groupId>io.opentelemetry</groupId> <artifactId>{{artifact-id}}</artifactId> </dependency>

Snapshots

Snapshots of the main branch are available as follows:


Gradle

groovy repositories { maven { url 'https://oss.sonatype.org/content/repositories/snapshots' } } dependencies { implementation platform("io.opentelemetry:opentelemetry-bom:1.50.0-SNAPSHOT") implementation('io.opentelemetry:opentelemetry-api') }

Maven

xml <project> <repositories> <repository> <id>oss.sonatype.org-snapshot</id> <url>https://oss.sonatype.org/content/repositories/snapshots</url> </repository> </repositories> <dependencyManagement> <dependencies> <dependency> <groupId>io.opentelemetry</groupId> <artifactId>opentelemetry-bom</artifactId> <version>1.50.0-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>io.opentelemetry</groupId> <artifactId>opentelemetry-api</artifactId> </dependency> </dependencies> </project>

Compatibility

Artifacts from this repository follow semantic versioning.

Stable artifacts (i.e. artifacts without -alpha version suffix) come with strong backwards
compatibility guarantees for public APIs.

Artifacts may depend on other artifacts from this repository, and may depend on internal APIs (i.e.
non-public APIs) which are subject to change across minor versions. Therefore, it’s critical to keep
artifact versions in sync in order to avoid possible runtime exceptions. We strongly
recommend using one of our BOMs to assist in keeping artifacts in sync.

See the VERSIONING.md for complete details on compatibility policy.

Contacting us

We hold regular meetings. See details at community page.

To report a bug, or request a new feature,
please open an issue.

We use GitHub Discussions
for support or general questions. Feel free to drop us a line.

We are also present in the #otel-java channel in the CNCF slack.
Please join us for more informal discussions.

Contributing

See CONTRIBUTING.md for:

  • Details on building locally
  • Project scope
  • Keys to successful PRs
  • Guide to using gradle composite builds

Code owners

Triagers:

Find more about the triager role in community repository.

Approvers (@open-telemetry/java-approvers):

Find more about the approver role in community repository.

Maintainers (@open-telemetry/java-maintainers):

Emeritus:

Find more about the maintainer role in community repository.

Help wanted

We are currently resource constrained and are actively seeking new contributors interested in working towards approver / maintainer roles. In addition to the documentation for approver / maintainer roles and the contributing guide, here are some additional notes on engaging:

  • Pull request reviews are equally or more helpful than code contributions. Comments and approvals are valuable with or without a formal project role. They’re also a great forcing function to explore a fairly complex codebase.
  • Attending the Java: SDK + Automatic Instrumentation Special Interest Group (SIG) is a great way to get to know community members and learn about project priorities.
  • Issues labeled help wanted are project priorities. Code contributions (or pull request reviews when a PR is linked) for these issues are particularly important.
  • Triaging / responding to new issues and discussions is a great way to engage with the project.

Thanks to all the people who have contributed



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