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Add legacy to OpenTelemetry migration doc (#10011)

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Ehsan Saei 2023-05-29 19:33:44 +02:00 committed by GitHub
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docs/user-guide/third-party-addons/opentelemetry.md
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@ -5,6 +5,18 @@ Enables requests served by NGINX for distributed telemetry via The OpenTelemetry
Using the third party module [opentelemetry-cpp-contrib/nginx](https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/nginx) the Ingress-Nginx Controller can configure NGINX to enable [OpenTelemetry](http://opentelemetry.io) instrumentation. Using the third party module [opentelemetry-cpp-contrib/nginx](https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/nginx) the Ingress-Nginx Controller can configure NGINX to enable [OpenTelemetry](http://opentelemetry.io) instrumentation.
By default this feature is disabled. By default this feature is disabled.
Check out this demo showcasing OpenTelemetry in Ingress NGINX. The video provides an overview and
practical demonstration of how OpenTelemetry can be utilized in Ingress NGINX for observability
and monitoring purposes.
<p align="center">
<a href="https://www.youtube.com/watch?v=jpBfgJpTcfw&t=129" target="_blank" rel="noopener noreferrer">
<img src="https://img.youtube.com/vi/jpBfgJpTcfw/0.jpg" alt="Video Thumbnail" />
</a>
</p>
<p align="center">Demo: OpenTelemetry in Ingress NGINX.</p>
## Usage ## Usage
To enable the instrumentation we must enable OpenTelemetry in the configuration ConfigMap: To enable the instrumentation we must enable OpenTelemetry in the configuration ConfigMap:
@ -258,3 +270,45 @@ To install the example and collectors run:
``` ```
In the Zipkin interface we can see the details: In the Zipkin interface we can see the details:
![zipkin screenshot](../../images/otel-zipkin-demo.png "zipkin screenshot") ![zipkin screenshot](../../images/otel-zipkin-demo.png "zipkin screenshot")
## Migration from OpenTracing, Jaeger, Zipkin and Datadog
If you are migrating from OpenTracing, Jaeger, Zipkin, or Datadog to OpenTelemetry,
you may need to update various annotations and configurations. Here are the mappings
for common annotations and configurations:
### Annotations
| Legacy | OpenTelemetry |
|--------------------------------------------------|--------------------------------------------------|
| `nginx.ingress.kubernetes.io/enable-opentracing` | `nginx.ingress.kubernetes.io/enable-opentelemetry` |
| `opentracing-trust-incoming-span` | `opentracing-trust-incoming-span` |
### Configs
| Legacy | OpenTelemetry |
|---------------------------------------|----------------------------------------------|
| `opentracing-operation-name` | `opentelemetry-operation-name` |
| `opentracing-location-operation-name` | `opentelemetry-operation-name` |
| `opentracing-trust-incoming-span` | `opentelemetry-trust-incoming-span` |
| `zipkin-collector-port` | `otlp-collector-port` |
| `zipkin-service-name` | `otel-service-name` |
| `zipkin-sample-rate` | `otel-sampler-ratio` |
| `jaeger-collector-port` | `otlp-collector-port` |
| `jaeger-endpoint` | `otlp-collector-port`, `otlp-collector-host` |
| `jaeger-service-name` | `otel-service-name` |
| `jaeger-propagation-format` | `N/A` |
| `jaeger-sampler-type` | `otel-sampler` |
| `jaeger-sampler-param` | `otel-sampler` |
| `jaeger-sampler-host` | `N/A` |
| `jaeger-sampler-port` | `N/A` |
| `jaeger-trace-context-header-name` | `N/A` |
| `jaeger-debug-header` | `N/A` |
| `jaeger-baggage-header` | `N/A` |
| `jaeger-tracer-baggage-header-prefix` | `N/A` |
| `datadog-collector-port` | `otlp-collector-port` |
| `datadog-service-name` | `otel-service-name` |
| `datadog-environment` | `N/A` |
| `datadog-operation-name-override` | `N/A` |
| `datadog-priority-sampling` | `otel-sampler` |
| `datadog-sample-rate` | `otel-sampler-ratio` |