onpremise k8s clusterにcalicoをinstallする

code:sh

cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf

overlay

br_netfilter

EOF

sudo modprobe overlay

sudo modprobe br_netfilter

cat <<EOF | sudo tee /etc/sysctl.d/k8s-cni.conf

net.bridge.bridge-nf-call-iptables = 1

net.bridge.bridge-nf-call-ip6tables = 1

EOF

sudo sysctl --system

code:sh

# RuntimeReady, NetworkReadyを確認

sudo crictl info

code:sh

# pod-network-cidr に変更

vim custom-resources.yaml

kubectl create -f custom-resources.yaml

code:sh

kubectl get po --all-namespaces # calico-node 等がReadyになるのを確認

kubectl get node # nodeがReadyになったのを確認