在Ubuntu16.04集群上手工部署Kubernetes(未完，陆续补充中)

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# 设置etcd版本　　ETCD_VERSION=${ETCD_VERSION:-"3.1.0"}
　　ETCD="etcd-v${ETCD_VERSION}-linux-amd64"
　　# 下载对应版本
　　curl -L https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/${ETCD}.tar.gz -o etcd.tar.gz
　　# 解压
　　tar xzf etcd.tar.gz -C ~/kube/etcd
　　# 集群主机用户
　　user=kube
　　# 复制文件到集群主机
　　cd /tmp/etcd-v${ETCD_VERSION}-linux-amd64
　　# master节点地址
　　master=10.10.10.20
　　# node节点地址
　　node=(10.10.10.21 10.10.10.22)
　　# 所有节点地址
　　for i in "${!node[@]}"; do all[$i]=${node[$i]}; done
　　all[${#node[@]}]=$master
　　ETCD_INITIAL_CLUSTER=k8s-master=http://$master:2380
　　for i in "${!node[@]}"; do ETCD_INITIAL_CLUSTER="$ETCD_INITIAL_CLUSTER,kube-node$((i+1))=http://${node[$i]}:2380"; done
　　echo $ETCD_INITIAL_CLUSTER
　　mkdir -p ~/kube/etcdconf ~/kube/services
　　# 创建etcd配置文件
　　sudo cat <<EOF | sudo tee ~/kube/etcdconf/etcd.conf.tmp
　　ETCD_DATA_DIR=/var/lib/etcd
　　ETCD_NAME=hostname
　　ETCD_INITIAL_CLUSTER=$ETCD_INITIAL_CLUSTER
　　ETCD_INITIAL_CLUSTER_STATE=new
　　ETCD_LISTEN_PEER_URLS=http://$master:2380
　　ETCD_INITIAL_ADVERTISE_PEER_URLS=http://$master:2380
　　ETCD_ADVERTISE_CLIENT_URLS=http://$master:2379
　　ETCD_LISTEN_CLIENT_URLS=http://$master:2379
　　GOMAXPROCS=nproc
　　EOF
　　for h in ${all[@]}; do
　　cp ~/kube/etcdconf/etcd.conf.tmp ~/kube/etcdconf/etcd.conf."$h"
　　sudo sed -i s#ETCD_LISTEN_PEER_URLS=http://"${master}":2380#ETCD_LISTEN_PEER_URLS=http://"$h":2380#g ~/kube/etcdconf/etcd.conf."$h" \
　　&& sudo sed -i s#ETCD_INITIAL_ADVERTISE_PEER_URLS=http://"${master}":2380#ETCD_INITIAL_ADVERTISE_PEER_URLS=http://"$h":2380#g ~/kube/etcdconf/etcd.conf."$h" \
　　&& sudo sed -i s#ETCD_ADVERTISE_CLIENT_URLS=http://"${master}":2379#ETCD_ADVERTISE_CLIENT_URLS=http://"$h":2379#g ~/kube/etcdconf/etcd.conf."$h" \
　　&& sudo sed -i s#ETCD_LISTEN_CLIENT_URLS=http://"${master}":2379#ETCD_LISTEN_CLIENT_URLS=http://"$h":2379#g ~/kube/etcdconf/etcd.conf."$h"
　　done
　　# 创建etcd服务文件
　　sudo cat <<EOF | sudo tee ~/kube/services/etcd.service

[Unit]

　　Description=Etcd Service
　　Documentation=https://github.com/coreos/etcd
　　After=network.target

[Service]

　　User=root
　　Type=simple
　　EnvironmentFile=-/opt/config/etcd.conf
　　ExecStart=/opt/bin/etcd
　　Restart=on-failure
　　RestartSec=10s
　　LimitNOFILE=40000

[Install]

　　WantedBy=multi-user.target
　　EOF
　　user=kube
　　# 复制文件到 集群主机的~/kube/etcd 目录
　　for h in ${all[@]}; do ssh $user@$h 'mkdir -p ~/kube/etcd ~/kube/etcdconf ~/kube/services' && scp -r etcd* $user@$h:~/kube/etcd && scp -r ~/kube/etcdconf/etcd.conf."$h" $user@$h:~/kube/etcdconf/etcd.conf && scp -r ~/kube/services/* $user@$h:~/kube/services; done
　　# 复制文件到 集群主机的/opt/bin目录，清除无用数据
　　for h in ${all[@]}; do ssh $user@$h 'sudo mkdir -p /opt/bin /var/lib/etcd /opt/config && sudo mv ~/kube/etcd/* /opt/bin && sudo mv ~/kube/etcdconf/* /opt/config && sudo mv ~/kube/services/* /lib/systemd/system && rm -rf ~/kube'; done
　　# 替换etcd配置文件
　　for h in ${all[@]}; do ssh $user@$h 'sudo sed -i s/ETCD_NAME=hostname/ETCD_NAME="$(hostname)"/g /opt/config/etcd.conf && sudo sed -i s/GOMAXPROCS=nproc/GOMAXPROCS="$(nproc)"/g /opt/config/etcd.conf'; done
　　# 启动etcd服务
　　for h in ${all[@]}; do ssh $user@$h 'sudo systemctl daemon-reload && sudo systemctl enable etcd && sudo systemctl start etcd'; done