K8Smgr - Kubernetes Cluster Manager

K8Smgr is a lightweight Bash-based CLI tool designed to simplify Kubernetes cluster management, including setup, initialization, node joining, and cluster maintenance. It provides a user-friendly command-line interface with colored menus, prompts, and status output for enhanced usability.

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Features

• Setup Kubernetes components on nodes
• Initialize Kubernetes clusters
• Join worker nodes to existing clusters
• Manage cluster operations via sub-modes:
  • Reset cluster
  • Initialize cluster
  • Upgrade cluster (remote agent installation, health checks, etc.)
• Clear, color-coded CLI output
• Interactive and prompt-based modes for ease of use
• Multi-platform support (Linux environments)

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Installation

Clone the repository and make the script executable:

git clone https://github.com/VilsHub/K8Smgr.git
cd K8Smgr
chmod +x k8smgr

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Help guide

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Usage

./k8smgr <mode> [sub-mode]

Or simply run without arguments to enter interactive prompt mode:

./k8smgr

Argument Mode

Mode	Description
setup	Install Kubernetes components only on the node
init	Install components and initialize a new Kubernetes cluster
join	Join a worker node to an existing Kubernetes cluster
manage	Perform cluster management operations (requires a sub-mode)
help	Display the help menu for k8smgr

Sub-modes for manage

Sub-mode	Description
reset	Reset the cluster
initialize	Initialize the cluster
upgrade-ops	Launch cluster upgrade mode: agent installation, health checks, and other operational tasks

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Examples

# Setup components only
./k8smgr setup

# Initialize a cluster
./k8smgr init

# Join a node to an existing cluster
./k8smgr join

# Manage cluster: reset
./k8smgr manage reset

# Manage cluster: initialize
./k8smgr manage initialize

# Manage cluster: upgrade operations
./k8smgr manage upgrade-ops

Interactive Prompt Mode

If incorrect or missing arguments are supplied, the script automatically switches to interactive mode, guiding the user through available modes and sub-modes with color-coded menus and instructions.

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Requirements

• Linux environment
• Bash 4.0+
• Optional: terminal supporting ANSI color codes

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Contribution

Contributions are welcome! Please open issues for bugs or feature requests, or submit pull requests with improvements.