Kubernetes - Operators and Custom Resources
You want to build an Operator that manages a database cluster with automatic backups and scaling. Which two Kubernetes concepts must you combine to implement this Operator effectively?
You want to build an Operator that manages a database cluster with automatic backups and scaling. Which two Kubernetes concepts must you combine to implement this Operator effectively?
hard📝 Workflow Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify core Operator components
Operators use Custom Resource Definitions (CRDs) to define new resource types and Controllers to manage their lifecycle.Step 2: Evaluate other Kubernetes concepts
ConfigMaps and Secrets store config data, Ingress and Network Policies manage traffic, DaemonSets and StatefulSets manage pods but don't implement custom logic.Final Answer:
Custom Resource Definitions and Controllers -> Option AQuick Check:
CRDs + Controllers build Operators = C [OK]
Quick Trick: Operators = CRDs + Controllers for custom logic [OK]
Common Mistakes:
- Confusing config storage with Operator logic
- Mixing networking resources with Operator pattern
- Thinking pod controllers alone build Operators
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