Kubernetes Client-Go Example

This project demonstrates the usage of the official Kubernetes Go client (client-go) to interact with a Kubernetes cluster. It includes examples of:

• Connecting to a Kubernetes cluster using kubeconfig
• Listing pods across all namespaces
• Demonstrating error handling when getting pod information

Prerequisites

• Go 1.16 or higher
• Access to a Kubernetes cluster
• Kubeconfig file configured with cluster access

Dependencies

The project uses the following main dependencies:

• k8s.io/client-go
• k8s.io/apimachinery

Building and Running

1. Clone the repository:

git clone <repository-url>
cd k8s-crud-clientgo

2. Install dependencies:

go mod tidy

3. Run the application:

go run main.go

By default, the application will:

• Use your default kubeconfig file (~/.kube/config)
• List all pods in the cluster every 10 seconds
• Attempt to find a pod named "example-xxxxx" in the default namespace

Configuration

You can specify a custom kubeconfig file location using the -kubeconfig flag:

go run main.go -kubeconfig=/path/to/your/kubeconfig

Features

1. Cluster Connection: Establishes connection to a Kubernetes cluster using local kubeconfig
2. Pod Listing: Periodically lists all pods in the cluster
3. Error Handling: Demonstrates proper error handling for Kubernetes API operations

License

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