fabianoflorentino / kind

Simple way to deploy a kubernetes cluster using kind

A environment to deploy and test the kubernetes cluster with Kind

Link: https://kind.sigs.k8s.io
Github: https://github.com/kubernetes-sigs/kind

Descriptions

Components	Description
bin	binary of kind and kubectl
config	YAML file for deploy kind
cni	cni plugin for kubernetes
metrics	metrics for kubernetes
ingress	ingress controller for kubernetes
dashboard	dashboard for kubernetes

Requirements

• Docker: https://docs.docker.com/get-docker

OBS:

This project will be deployed on a virtual machine with Centos 7.

Setup

Move binary of kind and kubectl to /usr/local/bin/

cp -rfv ./bin/* /usr/local/bin/

validate if the binary is installed

kind --version

kind version 0.11.1

kubectl version

Client Version: version.Info{Major:"1", Minor:"21", GitVersion:"v0.21.0-beta.1", GitCommit:"96e95cef877ba04872b88e4e2597eabb0174d182", GitTreeState:"clean", BuildDate:"2021-11-04T18:29:37Z", GoVersion:"go1.16.6", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"21", GitVersion:"v1.21.6+b82a451", GitCommit:"cefce093e4e5bc9a1916eb5a489ed37c7d467f6f", GitTreeState:"clean", BuildDate:"2022-02-05T06:58:30Z", GoVersion:"go1.16.6", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (0.21) and server (1.21) exceeds the supported minor version skew of +/-1

Validate the configuration YAML file on ./config/cluster.yml

---
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: lab

...

The kind on this project is configured with 3 masters nodes and 3 worker nodes and some features enabled on masters nodes.

featureGates:
  "CSIMigration": true

runtimeConfig:
  "api/alpha": false

networking:
  disableDefaultCNI: true
  kubeProxyMode: ipvs
  ipFamily: ipv4
  apiServerAddress: "172.16.252.100"
  apiServerPort: 6443
  podSubnet: "10.244.0.0/16"
  serviceSubnet: "10.96.0.0/12"

nodes:
  - role: control-plane
    kubeadmConfigPatches:
    - |
      kind: InitConfiguration
      nodeRegistration:
        kubeletExtraArgs:
          node-labels: "ingress-ready=true"
    extraPortMappings:
    - containerPort: 80
      hostPort: 8081
      listenAddress: "172.16.252.100"
      protocol: TCP
    - containerPort: 443
      hostPort: 8441
      listenAddress: "172.16.252.100"
      protocol: TCP
    extraMounts:
    - hostPath: /mnt/storage/vol1
      containerPath: /opt/vol1
      readOnly: true
      selinuxRelabel: false
      propagation: HostToContaine

If you have any doubt about the configuration, see the documentation on https://kind.sigs.k8s.io/docs/user/configuration

Insite project run the run.sh script

./run.sh

Usage: run.sh [OPTIONS]

    -c, --create            Print version information
    -d, --delete            Configuration file
    -n, --enable-cni        Enable CNI
    -i, --enable-ingress    Enable ingress
    -d, --enable-dashboard  Enable dashboard
    -u, --admin-user        Create admin user
    -h, --help              Print this help message