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DevOps Architect Trick: Observe Kubernetes Without Changing Application CodeMost teams begin with dashboards. An architect begins with a question:
โWhich service caused the user request to become slow?โ
Use this rare tool combination:
Kubernetes + OpenTelemetry eBPF Instrumentation + OTel Collector + Gateway API + Grafana/JaegerOpenTelemetry eBPF Instrumentation can automatically discover service-to-service relationships, create span and service-graph metrics, and connect traces with logs without requiring every application to be manually instrumented.
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User
โ
Gateway API
โ
Frontend
โ
API service
โ
Database / External API
โ
OpenTelemetry eBPF
โ
OTel Collector
โ
Metrics + Logs + Traces
โ
Grafana / Jaeger
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๐ง
Architect PromptYou are a platform architect.
System:
[Kubernetes architecture or diagram]
Business problem:
[Example: customers report slow checkout]
Tools:
Kubernetes, Gateway API, OpenTelemetry, Grafana, Jaeger
Analyse:
1. Which request path should be traced?
2. Which services need metrics, logs, and traces?
3. Where should the OTel Collector run?
4. What failure or latency signals should we monitor?
5. How can we collect useful telemetry without changing application code?
6. What security permissions and data-privacy risks exist?
7. Design a low-cost proof of concept.
8. Define success measurements and rollback steps.
Do not invent unsupported configuration.
Separate confirmed facts from assumptions.
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๐ What to investigateTrace ID connecting a user request across multiple services.
Service causing the highest latency.
Difference between application failure and network failure.
Whether telemetry is lost during collector failure.
Whether sensitive data appears in logs or traces.
Whether sampling is needed to control cost.
โ ๏ธ
Important security noteeBPF-based tools may require special privileges, Kubernetes permissions, and access to process or network metadata. Review the security model before using them in production.
๐ฏ
Mini challengeCreate a local Kubernetes demo with:
Gateway API โ frontend โ API โ database
Then answer:
โIf checkout takes 3 seconds, can I identify whether the delay comes from the gateway, API, database, or network using one correlated trace?โ
๐
ResearchOpenTelemetry eBPF Instrumentation
OpenTelemetry Operator for Kubernetes
Kubernetes Gateway API
OpenTelemetry Collector on Kubernetes
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Architect mindset when prompting:
Do not ask, โHow do I install another monitoring tool?โ Ask, โWhat decision will this telemetry help me make during a failure?โ
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