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C# using Kubernetes (k8s)

Popularity:990 ℃/2024-10-17 17:56:30

Using Kubernetes (k8s) in C# typically interacts with the Kubernetes API through the official Kubernetes .NET client. Here is a brief guide on how to use Kubernetes in C#.

1. Install the Kubernetes .

First, install the official Kubernetes client library in your project:

Installation using NuGet:

dotnet add package KubernetesClient

2. Basic example: listing Pods

After installing the library, you can write code to connect to a Kubernetes cluster and perform operations. Below is a simple example of listing all the Pods in Kubernetes.

using k8s;
using ;
using System;
using ;

namespace K8sExample
{
    class Program
    {
        static async Task Main(string[] args)
        {
            // Load configuration from local kube configuration file (default path is ~/.kube/config)
            var config = ();

            // Creating a Kubernetes Client
            IKubernetes client = new Kubernetes(config);

            // List all Pods in the default namespace
            var pods = await ("default");

            foreach (var pod in )
            {
                ($"Pod name: {}");
            }
        }
    }
}

 

3. Common operations

With the Kubernetes API, you can do the following in C#:

  • Creating and managing resources: Through the client, you can create, update, or delete resources such as Pods, Services, Deployments, etc. You can provide YAML files or define resources directly in C#.

  • control: You can listen for changes in your Kubernetes cluster, such as updates to Pod status or event logs.

  • Extended Deployment: Deployment can be scaled automatically using HorizontalPodAutoscaler.

4. Authentication and configuration

Ensure that your C# program can successfully authenticate and connect to the Kubernetes cluster. This can be configured in several ways:

  • Local kubeconfig file: Use the default~/.kube/configfile (as in the example).
  • In-Cluster Configuration: If the C# application is running in a Kubernetes cluster, you can use the ServiceAccount in the cluster for authentication.
var config = ();

5. Other tools and libraries

  • KubeClient: Another Kubernetes client library for C#.
  • k8s-dotnet: The official C# client library.