# Kubernetes Operators Controllers

!!! info "Architectural Context"
    Detailed reference for Kubernetes Operators Controllers in the context of The Container Stack.

## Cloud Infrastructure

### Infrastructure as Code

#### Testing Practices

  - **(2025)** [AI Meets Terraform: Prompt Strategies for Test Generation](https://masterpoint.io/blog/ai-meets-tf-prompt-strategies-for-test-generation)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Outlines specific prompting strategies to automatically draft tests for Terraform modules. Synthesizes automated validation frameworks like `terraform test` with generative AI outputs to ensure infrastructure stability.
## Cloud Native AI

### Batch Workloads

#### Kueue Scheduling

  - **(2024)** [Red Hat Build of Kueue](https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html/ai_workloads/red-hat-build-of-kueue#about-kueue) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[DOCUMENTATION]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Curator Insight: Documentation for the Red Hat Build of Kueue scheduler within OpenShift.
Live Grounding: Kueue offers advanced queueing mechanism controls, priority groupings, and resource quotas, making it the premier platform tool for managing AI/ML and batch workloads.
## Platform Engineering

### Compute

#### GPU Integration

  - **(2023)** [**Sharing a NVIDIA GPU Between Pods in Kubernetes**](https://www.cloudnativedeepdive.com/sharing-a-nvidia-gpu-between-pods-in-kubernetes) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> 🌟🌟🌟🌟 <span class='md-tag md-tag--info'>[ENTERPRISE-STABLE]</span> — Explores the technicalities of sharing physical NVIDIA GPUs among multiple Pods in Kubernetes. Covers GPU fractional slicing, Multi-Instance GPU (MIG) strategies, and workload optimization for ML/AI clusters.
## Security

### Secrets Management

#### Cloud Integrations

  - **(2025)** [Four Methods to Access Azure Key Vault from Azure Kubernetes Service (AKS)](https://techcommunity.microsoft.com/discussions/azurepartners/four-methods-to-access-azure-key-vault-from-azure-kubernetes-service-aks/4376662) 🌟🌟🌟 <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Evaluates four approaches to integrate Azure Key Vault secrets within AKS environments. Weighs security architectures including Azure Workload Identity and the Secrets Store CSI driver.

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💡 **Explore Related:** [Kubernetes Troubleshooting](./kubernetes-troubleshooting.md) | [Ocp4](./ocp4.md) | [Kubernetes Based Devel](./kubernetes-based-devel.md)