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eclipse-xpanse/xpanse-observability

xpanse-observability

We aim to provide observability to xpanse project with flexibility at its core. This is similar to all other features in the xpanse ecosystem.

The main element in the xpanse observability feature is the use of openTelemetry to generate data. We use all instrumentation provided by openTelemetry to generate traces, metrics and logs.

Components

  1. openTelemetry SDK - This is running with the application being observed. It generates all traces, metrics and logs and forwards it to the collector.
  2. openTelemetry Collector - This is an independent process that receives all data exported from the openTelemetry SDKs and forwards to other systems as required. The collector need not be the official openTelemetry collector from openTelemetry always but can be any system such as Jaeger, Grafana stack, etc that have the OLTP (OpenTelemetry Protocol) implemented to receive data.
  3. Backend - This is also one or many independent system(s) that can store the generated data and provide ways to visualize, report, etc with the data captured.

Reference Implementation

Similar to our other components, we provide a reference implementation for observability too. This can be found under grafana-stack folder. This implementation uses the following components.

  1. openTelemetry Collector container
  2. Grafana Tempo - For collecting Traces
  3. Grafana Prometheus - For collecting Metrics
  4. Grafana Loki - For collecting logs
  5. Grafana UI - For viewing all data collected

This implementation uses basic configurations such as local backend to store data and single containers to host all components. The components can be scaled and re-configured as necessary.

Start Reference Implementation

The complete reference implementation stack can be started using the below commands

cd grafana-stack
docker compose up

This command will start 5 containers and the granfana UI can be accessed on port 4000.

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xpanse observability and traceability related configuration.

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