https://github.com/karmada-io/karmada/issues/1467
https://karmada.io/docs/userguide/scheduling/resource-propagating/
총 3개의 클러스터가 필요하다
Karmada API Server 클러스터 (컨트롤 플레인)
Production 클러스터 (demo-prod-cluster)
Staging 클러스터 (demo-staging-cluster)

aws eks update-kubeconfig --name demo-karmada-cluster --region ap-northeast-2
helm repo add karmada <https://raw.githubusercontent.com/karmada-io/karmada/master/charts>
helm repo update
helm install karmada karmada/karmada --create-namespace --namespace karmada-system
sudo curl -s <https://raw.githubusercontent.com/karmada-io/karmada/master/hack/install-cli.sh> | sudo bash -s kubectl-karmada
sudo yum install git -y
(
set -x; cd "$(mktemp -d)" &&
OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\\(arm\\)\\(64\\)\\?.*/\\1\\2/' -e 's/aarch64$/arm64/')" &&
KREW="krew-${OS}_${ARCH}" &&
curl -fsSLO "<https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz>" &&
tar zxvf "${KREW}.tar.gz" &&
./"${KREW}" install krew
)
export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"