Getting_Started_with_KinD_Creating_a_Multi_node_Local_Kubernetes_Cluster.pptx

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1. Getting Started with KinD: Creating a Multi-node Local Kubernetes Cluster There we are at the end, this blog covered how to set up a multi-node KinD cluster, including how to install KinD, configure the cluster, and deploy an application to the cluster @ChiragV01 2023

2. Synopsis Kubernetes is a container-based operating system that allows you to run applications in a single place on a single machine, all in the same place. KinD (Kubernetes in Docker) is a simple tool with several powerful and unique features that make it easier to run local Kubernetes clusters. It encapsulates the cluster in Docker containers. This results in a substantially faster starting time as compared to running a VM. KinD allows you to experiment with various configurations and deploy a wide range of applications. With Kind, it is easy to spin up a local Kubernetes cluster within Docker Desktop. We are creating a multi-node cluster with two control planes and 2 worker nodes, you can create more according to your requirements.

3. Key concepts config file control plane

4. Abstract There are numerous platforms for playing around with Kubernetes clusters. Kubeadm, Kops (Kubernetes Operations), Minikube, and Killercoda are a few examples. However, as far as I can tell, those options have limitations. These clusters/environments are either temporary (killercoda) or you can only create a single control-plane node with a single etcd database running on it (kubeadm) or you get only a single node cluster (minikube) or you must pay for what you consume.

5. Highlights It is a tool for running local Kubernetes clusters using Docker container “nodes” With Kind, it is easy to spin up a local Kubernetes cluster within Docker Desktop We are creating a multi-node cluster with two control planes and 2 worker nodes, you can create more according to your requirements There we are at the end, this blog covered how to set up a multi-node KinD cluster, including how to install KinD, configure the cluster, and deploy an application to the cluster KinD is a useful tool for testing and development because it allows you to set up and manage a local Kubernetes cluster

6. What is KinD? KinD (Kubernetes in Docker) is a simple tool with several powerful and unique features that make it easier to run local Kubernetes clusters. Kind is a Kubernetes SIGs project that is quite distinct from minikube. It encapsulates the cluster in Docker containers. This results in a substantially faster starting time as compared to running a VM. With Kind, it is easy to spin up a local Kubernetes cluster within Docker Desktop. The Kind runs as a container by itself. Kind documentation is easy and straightforward to understand, for more details and understanding refer this

7. Installation of KinD Install Docker - You must have docker installed and running in your system. If not, you can get it from here as per your OS. Use the --name flag to assign the cluster a different context name. You can use the command kubectl config get-contexts to list the currently active clusters. Interacting with the cluster: After creating a cluster, you can use kubectl to interact with the cluster created by kind. In this config file, we are creating a multi-node cluster with two control planes and 2 worker nodes, you can create more according to your requirements. You can create a cluster using a pre-defined config file by using the command kind create cluster --config. You can validate the multi-node clusters created by running the command kubectl get nodes to ensure that all nodes are running correctly. By running the command grep server ~/.kube/config, we can see that this server is the same as kind-external-load-balancer i.e. we are connecting with kind-external-load-balancer, which will directly communicate with other master nodes

8. Dynamic Volume Provisioning Dynamic Volume Provisioning in Kubernetes is a mechanism that allows storage volumes to be created on demand. Cluster administrators must manually call their cloud or storage provider and create Persistent Volume objects in Kubernetes without dynamic provisioning. You can use the kubectl command-line tool to deploy an application to your KinD cluster. An example deployment definition file for a simple Nginx web server is provided below: Save this file as nginx-service.yaml and run the following command to create the service: kubectl apply -f nginx-service.yaml. This command will create a ClusterIP service, which will expose the Nginx web server deployment.

9. Conclusion There we are at the end, this blog covered how to set up a multi-node KinD cluster, including how to install KinD, configure the cluster, and deploy an application to the cluster. KinD is a useful tool for testing and development because it allows you to set up and manage a local Kubernetes cluster. KinD allows you to experiment with various configurations and deploy a wide range of applications, making it a valuable tool for any Kubernetes developer. Don't forget to like and share this blog if you liked it. Connect with me on Twitter for getting updates on more such blogs