05-etcd.sh

#!/bin/bash -x

echo -n "Create ETCD"

for instance in controller-0 controller-1; do
  gcloud compute ssh ${instance} -- wget -q --show-progress --https-only --timestamping "https://github.com/etcd-io/etcd/releases/download/v3.4.10/etcd-v3.4.10-linux-amd64.tar.gz"
  gcloud compute ssh ${instance} -- "tar -xvf etcd-v3.4.10-linux-amd64.tar.gz; sudo mv etcd-v3.4.10-linux-amd64/etcd* /usr/local/bin/; sudo mkdir -p /etc/etcd /var/lib/etcd; sudo chmod 700 /var/lib/etcd; sudo cp ca.pem kubernetes-key.pem kubernetes.pem /etc/etcd/"
  INTERNAL_IP=$(gcloud compute ssh ${instance} -- "curl -s -H 'Metadata-Flavor: Google' http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/ip") ETCD_NAME=${instance} \
  gcloud compute ssh ${instance} --  cat <<EOF | gcloud compute ssh ${instance} --  sudo tee /etc/systemd/system/etcd.service 
[Unit]
Description=etcd
Documentation=https://github.com/coreos

[Service]
Type=notify
ExecStart=/usr/local/bin/etcd \\
  --name ${ETCD_NAME} \\
  --cert-file=/etc/etcd/kubernetes.pem \\
  --key-file=/etc/etcd/kubernetes-key.pem \\
  --peer-cert-file=/etc/etcd/kubernetes.pem \\
  --peer-key-file=/etc/etcd/kubernetes-key.pem \\
  --trusted-ca-file=/etc/etcd/ca.pem \\
  --peer-trusted-ca-file=/etc/etcd/ca.pem \\
  --peer-client-cert-auth \\
  --client-cert-auth \\
  --initial-advertise-peer-urls https://${INTERNAL_IP}:2380 \\
  --listen-peer-urls https://${INTERNAL_IP}:2380 \\
  --listen-client-urls https://${INTERNAL_IP}:2379,https://127.0.0.1:2379 \\
  --advertise-client-urls https://${INTERNAL_IP}:2379 \\
  --initial-cluster-token etcd-cluster-0 \\
  --initial-cluster controller-0=https://10.240.0.10:2380,controller-1=https://10.240.0.11:2380 \\
  --initial-cluster-state new \\
  --data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target
EOF

 gcloud compute ssh ${instance} -- sudo systemctl daemon-reload
 gcloud compute ssh ${instance} -- sudo systemctl enable etcd
 gcloud compute ssh ${instance} -- sudo systemctl start etcd
 gcloud compute ssh ${instance} -- sudo ETCDCTL_API=3 etcdctl member list --endpoints=https://127.0.0.1:2379 --cacert=/etc/etcd/ca.pem --cert=/etc/etcd/kubernetes.pem --key=/etc/etcd/kubernetes-key.pem
done