shell安装docker

vim docker.sh

#!/usr/bin/bash

#set -e
#unset c
color(){
    declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
    #echo -e "\033[${c[$1]}m[`date +%T`]($1)  $2\033[0m"
    printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
    sleep 0.5
}

install(){
    color Info "开始安装docker服务"
    yum install -y yum-utils device-mapper-persistent-data lvm2 git && \
    yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo && \
    yum install -y docker-ce
	mkdir -p /etc/docker
    color Success "安装完成"
    color Info "开始配置镜像加速器"
	tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://pilvpemn.mirror.aliyuncs.com"]
}
EOF
    cat >> /etc/sysctl.conf <<EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward=1
EOF
    systemctl daemon-reload && \
    systemctl enable docker --now
}
install
color Success "配置完成"

2.部署完成