Logs, Metrics and Queues for Testers

Follow what happens behind the API after it answers. Read a Grafana dashboard around an incident, adjust a Prometheus or Loki query, search logs with KQL, follow one request by its trace id, and check that an order event passed through RabbitMQ and Kafka. For testers who already work with an API and a terminal. Course 10 of the QA Engineer Path.

Course 10 of 13 in the QA Engineer Path

10 lessons · 142 stepscertificate

What you will learn

Read a dashboard, find a failing request in the logs and check a message queue.

Course program

The full outline. Lessons open when the course does.

Behind the API

Behind the API15 steps

Grafana: a dashboard during an incident13 steps

Queries, logs and traces

Prometheus and Loki queries16 steps

Kibana Discover and KQL15 steps

Tracing requests by trace ID14 steps

Queues and event streams

RabbitMQ exchanges and queues14 steps

RabbitMQ dead letters and retries14 steps

Kafka topics and partitions14 steps

Kafka: verify an order flow12 steps

Review: the Friday-night incident15 steps

How this course compares with others

Section: QA Engineer Path

Next on the path: Environments, Docker and CI for Testers

The author

Artsiom Rusau – QA engineer and course author. He has tested software since 2019 and has taught software testing since 2020.

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