K8s Python CLI

A lightweight, interactive Kubernetes CLI built using Python and the standard cmd module.
This tool interacts directly with the Kubernetes API (no kubectl dependency) and is designed for learning, automation, and day-to-day DevOps operations.

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✨ Features

• Interactive shell (K8s>> prompt)
• Namespace management
  • List namespaces
  • Create namespace
  • Delete namespace
• Pod operations
  • List pods in a namespace
  • List pods using label selectors
• Deployment operations
  • List deployments
  • List deployments using labels
  • Scale deployments
• Cluster operations
  • View cluster information
  • List kubeconfig contexts
  • Show current context
• Manifest validation
  • Server-side validation using Kubernetes API (dry-run=server)

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📦 Project Structure

.
├── main.py
├── functions/
│   ├── core/
│   │   └── core_cluster.py
│   ├── namespace/
│   │   └── namespace.py
│   ├── pods/
│   │   └── pod.py
│   ├── deployments/
│   │   └── deployment.py
│   └── custom/
│       └── custom.py


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## 🚀 Getting Started

### Prerequisites

* Python 3.8+
* Kubernetes cluster access
* Valid `~/.kube/config`
* Python Kubernetes client

```bash
pip install kubernetes

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Run the CLI

python main.py

You should see:

Welcome to K8s Cli
K8s>>

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📘 Available Commands

Namespace Commands

Command	Description
list_namespace	List all namespaces
create_namespace <name>	Create a new namespace
delete_namespace <name>	Delete a namespace

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Pod Commands

Command	Description
list_pod	List pods in default namespace
list_pod -n <namespace>	List pods in a namespace
list_pod -n <namespace> -l key=value	List pods using labels

Example:

K8s>> list_pod default app=nginx

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Deployment Commands

Command	Description
list_deployment	List deployments
list_deployment -n <namespace>	List deployments in a namespace
list_deployment -l key=value	List deployments using labels
scale_deployment -a <name> -r <replicas>	Scale a deployment

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Cluster Commands

Command	Description
cluster_info	Show cluster information
list_context	List all kubeconfig contexts
list_context --current	Show current context

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Utility Commands

Command	Description
quit	Exit the CLI

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🆘 Help

Each command supports built-in help:

K8s>> help
K8s>> help list_pod

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🧠 Design Notes

• Built using Python's cmd.Cmd
• Uses Kubernetes Python client (no shelling out to kubectl)
• Easy to extend with new commands

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🛠️ Future Enhancements

• Context switching support
• Resource describe & delete commands
• YAML apply support
• Autocompletion
• Configurable kubeconfig path
• Error handling & logging

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🙌 Author

Built by Kamal Acharya — DevOps Engineer