Microservices Part 6: Trace One Request Through the Logs

[julia-kafarska]

Full tutorial with screenshots: https://blog.light-cloud.com/tutorials/microservices-on-light-cloud-part-6-logs-and-tracing

Part 6 of 6 of the series Microservices on Light Cloud.

Trace a request through two Light Cloud services with a shared x-request-id, write JSON logs with a severity field, and use the Logs tab's search and level filter to find failures fast.

Level: Intermediate · Time: about 15 minutes · Plan: Starter · Stack: Node.js, Python, JSON logs

Steps

• Step 1: Get the Part 6 code
• Step 2: How the request ID travels
• Step 3: Write logs the Logs tab understands
• Step 4: Send a traced order
• Step 5: Find it in both services
• Step 6: Find failures with the level filter

Source code: https://github.com/light-cloud-com/tutorial-microservices
Live demo: https://main-web-examples.light-cloud.io

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