Join 757dev cluster

gistfile1.txt

#Prepare
modprobe br_netfilter
echo '1' > /proc/sys/net/ipv4/ip_forward
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF

#Install
#Zerotier
curl -s 'https://raw.githubusercontent.com/zerotier/ZeroTierOne/master/doc/contact%40zerotier.com.gpg' | gpg --import && \
if z=$(curl -s 'https://install.zerotier.com/' | gpg); then echo "$z" | sudo bash; fi
#Containerd
apt-get install -y containerd
#kubeadm/kubelet
sudo apt-get update && sudo apt-get install -y apt-transport-https curl
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF | tee /etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update
apt-get install -y kubelet kubeadm
apt-mark hold kubelet kubeadm

#ipvs
apt-get install ipset -y

#If on Rasp PI 4, enable cgroups for mem
#https://askubuntu.com/a/1190457/719930
#And restart

#Request to join
zerotier-cli join b6079f73c6adf9d1
#Beyond this point requires approval. Contact adm/have them approve CSR for kubelet during join request.
echo "KUBELET_EXTRA_ARGS=--node-ip=$NODE_IP_PROVIDED_BY_ADMIN" > /etc/default/kubelet
systemctl daemon-reload
systemctl restart kubelet
kubeadm join lab.k8s757.dev:6443 --token 757dev.c0i41tklcxemnze7 --discovery-token-ca-cert-hash sha256:01ef7baef9d250dcf764d449ac282e91666c8483bfc74994c84cc39b66301a62