Setup Kind k8s cluster on Centos 7 with podman

kind-c7.sh

#!/bin/bash

ADDITIONAL_TOOLS=${ADDITIONAL_TOOLS:-$1}
KIND_VERSION=${KIND_VERSION:-'v0.11.1'}
KINDEST_IMAGE=${KINDEST_IMAGE:-'kindest/node:v1.20.0'}
DOCKER_LOGIN=${DOCKER_LOGIN:-''}
DOCKER_PASSWORD=${DOCKER_PASSWORD:-''}

cat << 'EOF' | sudo tee /etc/yum.repos.d/devel:kubic:libcontainers:stable.repo
[devel_kubic_libcontainers_stable]
name=Stable Releases of Upstream github.com/containers packages (CentOS_7)
type=rpm-md
baseurl=https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/CentOS_7/
gpgcheck=1
gpgkey=https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/CentOS_7/repodata/repomd.xml.key
enabled=1
EOF

sudo yum update -y
sudo yum -y install podman

# podman login docker.io
if [ -n "${DOCKER_LOGIN}" ] && [ -n "${DOCKER_PASSWORD}" ]; then
   podman login docker.io -u"$DOCKER_LOGIN" -p"$DOCKER_PASSWORD"
fi

curl -Lo ./kind https://kind.sigs.k8s.io/dl/$KIND_VERSION/kind-linux-amd64
curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl"
chmod +x kubectl kind 
sudo mv {kubectl,kind} /usr/bin/

if [ -n "${ADDITIONAL_TOOLS}" ]; then
  # kompose
  curl -L https://github.com/kubernetes/kompose/releases/download/v1.21.0/kompose-linux-amd64 -o kompose
  chmod +x kompose
  sudo mv kompose /usr/bin/

  # Kustomize
  curl -LO https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv4.2.0/kustomize_v4.2.0_linux_amd64.tar.gz
  tar xaf kustomize_v4.2.0_linux_amd64.tar.gz
  mv kustomize /usr/bin/

  ## kubebuilder
  sudo yum install -y golang || sudo yum install -y epel-release && sudo yum install -y golang
  curl -L -o kubebuilder https://go.kubebuilder.io/dl/latest/$(go env GOOS)/$(go env GOARCH)
  chmod +x kubebuilder
  sudo mv kubebuilder /usr/bin/

  ## noobaa
  curl -L https://github.com/noobaa/noobaa-operator/releases/download/v5.7.0/noobaa-linux-v5.7.0 -o noobaa
  chmod +x noobaa
  sudo mv noobaa /usr/bin

  ## opm
  curl -LO https://mirror.openshift.com/pub/openshift-v4/x86_64/clients/ocp/latest-4.6/opm-linux.tar.gz
  tar xaf opm-linux.tar.gz
  sudo mv opm /usr/bin/
fi

KIND_EXPERIMENTAL_PROVIDER=podman kind create cluster --image $KINDEST_IMAGE --wait 2m --name my-kind-cluster

kind get kubeconfig --name my-kind-cluster > kubeconfig
export KUBE_CONFIG=kubeconfig
kubectl get pods --all-namespaces