1. [root@lzone_zkong_cluster_01 scripts]# cat docker-install-and-uninstall.sh
    2. #!/bin/bash
    3. # Version: v0.0.1 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
    4. # Debian/Ubuntu Linux systems. (May 10, 2019)
    5. # (GNU/General Public License version 2.0)
    6. # For Centos 7 and up, Linux lzone_zkong_cluster_01 3.10.0-862.el7.x86_64.
    7. # ...And away we go!
    9. Package='/server/tools'
    10. function tools {
    11.     if [ ! -d "$Package" ]; then
    12.         mkdir "$Package" -p
    13.     fi
    14. }
    16. function INSTALL {
    18. cp /usr/local/esl/scripts/docker-19.03.9.tgz $Package
    20. cd $Package && tar xf docker-19.03.9.tgz
    21. mv $Package/docker/* /usr/bin/
    23. cat >/etc/systemd/system/docker.service <<-EOF
    24. [Unit]
    25. Description=Docker Application Container Engine
    26. Documentation=https://docs.docker.com
    27. After=network-online.target firewalld.service
    28. Wants=network-online.target
    30. [Service]
    31. Type=notify
    32. # the default is not to use systemd for cgroups because the delegate issues still
    33. # exists and systemd currently does not support the cgroup feature set required
    34. # for containers run by docker
    35. ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
    36. ExecReload=/bin/kill -s HUP $MAINPID
    37. # Having non-zero Limit*s causes performance problems due to accounting overhead
    38. # in the kernel. We recommend using cgroups to do container-local accounting.
    39. LimitNOFILE=infinity
    40. LimitNPROC=infinity
    41. LimitCORE=infinity
    42. # Uncomment TasksMax if your systemd version supports it.
    43. # Only systemd 226 and above support this version.
    44. #TasksMax=infinity
    45. TimeoutStartSec=0
    46. # set delegate yes so that systemd does not reset the cgroups of docker containers
    47. Delegate=yes
    48. # kill only the docker process, not all processes in the cgroup
    49. KillMode=process
    50. # restart the docker process if it exits prematurely
    51. Restart=on-failure
    52. StartLimitBurst=3
    53. StartLimitInterval=60s
    55. [Install]
    56. WantedBy=multi-user.target
    57. EOF
    59. chmod +x /etc/systemd/system/docker.service
    60. systemctl daemon-reload && systemctl start docker && systemctl enable docker.service >/dev/null 2>&1
    61. systemctl status docker >/dev/null 2>&1 
    62. echo "当前Docker版本: `docker -v`"
    63. }
    65. function UNINSTALL {
    66.          cd /usr/local/esl/ && docker-compose stop && systemctl stop docker
    67.          rpm -qa | grep docker | xargs yum remove -y >/dev/null 2>&1
    68.          rm -rf /var/lib/docker
    69. }
    71. echo '
    72. Please enter the action you want to perform:"install" | "uninstall"
    73. 请输入您要执行的操作：“安装install” 或者 “卸载uninstall”'
    75. read -p "Please enter the action you want to perform: " action
    77. case $action in
    78.     install)
    79.                 tools
    80.         INSTALL
    81.     ;;
    82.     uninstall)
    83.         UNINSTALL && echo 'Docker uninstall Successfully'
    84.     ;;
    85.     *)
    86.         echo '
    87.             The action you entered is not supported.
    88.             Please enter the following format: install | uninstall'
    89.         exit 1
    90. esac