安装docker脚本

安装docker脚本

标签: docker   k8s  
[root@localhost ~]# cat dockerinstall.sh 
yum install ca-certificates ;
update-ca-trust;
 
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo-bak
cat << 'EOF' > /etc/yum.repos.d/CentOS-Base.repo
# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the 
# remarked out baseurl= line instead.
#
#
 
[base]
name=CentOS-$releasever - Base - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
        http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
 
#released updates
[updates]
name=CentOS-$releasever - Updates - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
        http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
 
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
        http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
 
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
        http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
 
#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/
        http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
 
EOF
# 定义用户名
NEW_USER=rancher
# 添加用户(可选)
sudo adduser $NEW_USER
# 为新用户设置密码
sudo passwd $NEW_USER
# 为新用户添加sudo权限
sudo echo "$NEW_USER ALL=(ALL) ALL" >> /etc/sudoers
# 卸载旧版本Docker软件
sudo yum remove docker \
              docker-client \
              docker-client-latest \
              docker-common \
              docker-latest \
              docker-latest-logrotate \
              docker-logrotate \
              docker-selinux \
              docker-engine-selinux \
              docker-engine \
              container*
# 定义安装版本
export docker_version=18.06.3
# step 1: 安装必要的一些系统工具
sudo yum update -y;
sudo yum install -y yum-utils device-mapper-persistent-data \
    lvm2 bash-completion;
# Step 2: 添加软件源信息
sudo yum-config-manager --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo;
# Step 3: 更新并安装 Docker-CE
sudo yum makecache all;
version=$(yum list docker-ce.x86_64 --showduplicates | sort -r|grep ${docker_version}|awk '{print $2}');
sudo yum -y install --setopt=obsoletes=0 docker-ce-${version} docker-ce-selinux-${version};
# 如果已经安装高版本Docker,可进行降级安装(可选)
yum downgrade --setopt=obsoletes=0 -y docker-ce-${version} docker-ce-selinux-${version};
# 把当前用户加入docker组
sudo usermod -aG docker $NEW_USER;
# 设置开机启动
sudo systemctl enable docker;
echo "10.4.31.153   harbor.xikang.com" >> /etc/hosts
mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
 "registry-mirrors": ["https://kvvfjpdn.mirror.aliyuncs.com"],
  "insecure-registries": ["harbor.xikang.com"],
 "exec-opts": ["native.cgroupdriver=systemd"],
 "log-driver": "json-file",
 "log-opts": {
 "max-size": "100m"
 },
 "storage-driver": "overlay2"
 }
EOF
systemctl daemon-reload
systemctl enable docker
systemctl restart docker
service docker stop
mv /var/lib/docker/ /data/docker
ln -s /data/docker/ /var/lib/docker
service docker start
docker -v

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