Resolve #9: Observability: health endpoint, Prometheus/OTLP HTTP metrics #24
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…ics, tests * processing delay is measured using video frame attributes. Timings are stored in the attributes and passed through the pipeline * measurements logic in `Measurements` * simple health check endpoint to check the process is alive * Prometheus and OTLP HTTP metric exporters * made signal handling, health check and metrics export loosely coupled components. They can be composed as requiered * adjusted config logic to include lists and alternative environment names, better naming (`endpoint`), a config to force client without SSL * histogram boundaries can be configured because it's unclear what defualt is the best * essential tests, some test refactoring * tools to run pipeline elements for manual testing `python -m tests.helpers <tool>` * include Prometheus and OTLP Collector collector images and configs into the dev container environment for the manual testing. Better rootless Docker experience with `.env` files (thanks to compose.yaml). One can stop extra containers with VS Code * fix `ClientService` and `ServerService` loops to stop when whatever unexpected exception occurs
don't create a new message when adding measurements attributes
* fix `consumed_ws_reading_capacity` metric name * it's better to have more flat config structure to use environment variables * options to disable the environment variable prefix or have custom one
bwsw
approved these changes
Nov 13, 2025
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Measurementsendpoint), a config to force client without SSLpython -m tests.helpers <tool>.envfiles (thanks to compose.yaml). One can stop extra containers with VS CodeClientServiceandServerServiceloops to stop when whatever unexpected exception occurs