- Lab
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- Core Tech
Kubernetes Application Instrumentation and Trace Generation
Tracing data provides valuable troubleshooting insight into the flow of requests for our applications. That said, it’s not enough to just have Tempo receive data from OpenTelemetry: the application itself also needs to send this data out, and the related deployment manifests need to tell the application the location of the OTEL collector. In this lab, you will update an application to configure the environment variables for the OTEL collector, rollout the deployment, then verify that tracing data is being received by OpenTelemetry and sent to Tempo.
Lab Info
Table of Contents
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Challenge
Update the application deployment
Update the application deployment for both services in the storefront application to contain the environmental variables for the OTEL exporter at port 4318, then redeploy the manifests.
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Challenge
Generate telemetry data
Using the provided
traffic.shscript, generate traffic—and therefore tracing data—against the storefront application. Confirm via the OTEL Collector and Tempo logs that the data is being ingested. -
Challenge
Validate that tracing is working
Use Grafana's Explore page to query for tracing data.
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