```bash cat docker_install.sh #!/bin/bash set -e #uninstall docker if exist sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine if [ `rpm -qa|grep docker|wc -l` -eq 0 ] ; then echo "############################" echo "No Docker Version Installed!" echo "############################" else rpm -e --nodeps $(rpm -qa|grep docker) echo "#######################" echo "Old Version Uninstalled" echo "#######################" fi #install requirements sudo yum install -y yum-utils \ device-mapper-persistent-data \ lvm2 #setup repo sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo #list docker versions yum list docker-ce --showduplicates | sort -r| grep 'el7'|awk {'print $2'}|grep '^3'|awk -F [:-] {'print $2'} verrepo=`yum list docker-ce --showduplicates | sort -r| grep 'el7'|awk {'print $2'}|grep '^3'|awk -F [:-] {'print $2'}` #read a version from keyboard echo "##########################################################" echo "select a version from above and type it down，like 19.03.5" echo "##########################################################" while true do read -p "Input a Version:" ver if [ ${#ver} = 7 ] ; then if [[ $verrepo =~ $ver ]]; then sudo yum install -y docker-ce-$ver docker-ce-cli-$ver containerd.io break else echo "###############################" echo "input error, input like 19.03.5" echo "###############################" fi else echo "###############################" echo "input error, input like 19.03.5" echo "###############################" fi done #start docker service echo "###############################" echo "Starting Docker Service" echo "###############################" sudo systemctl start docker ps -ef|grep docker|grep -v grep echo "------------------------------------------------------------" echo "------------------------------------------------------------" docker version echo "------------------------------------------------------------" echo "------------------------------------------------------------" if [ `ps -ef|grep docker |grep -v grep|wc -l`> 0 ] ; then echo "#######################" echo "Docker Install Success!" echo "#######################" else echo "######################" echo "Docker Install Failed!" echo "######################" fi ``` ```bash cat docer-compose_install.sh #!/bin/bash set -e # test if docker-compose exits num=$(command -v docker-compose | wc -l) echo $num if [[ $num = 1 ]]; then echo "###########################################" echo "docker-compose already exits, see following" echo "###########################################" docker-compose version echo "#########################################" echo "wanna install latest version? type y or n" echo "#########################################" read -p "input your selection:" choose case $choose in "n") echo "##########" echo "exiting..." echo "##########" exit ;; "y") rm -f $(which docker-compose) ver=$(curl -X GET https://api.github.com/repos/docker/compose/tags |grep "name"|grep -v docs|grep -v rc|awk -F[\"] {'print $4'}|sort -rV|head -n 1) echo $ver sudo curl -L "https://github.com/docker/compose/releases/download/$ver/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose chmod +x /usr/local/bin/docker-compose ;; esac else echo "#########################" echo "Installing docker-compose" echo "#########################" ver=$(curl -X GET https://api.github.com/repos/docker/compose/tags |grep "name"|grep -v docs|grep -v rc|awk -F[\"] {'print $4'}|sort -rV|head -n 1) echo $ver sudo curl -L "https://github.com/docker/compose/releases/download/$ver/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose chmod +x /usr/local/bin/docker-compose fi echo "######################" echo "docker-compose version" echo "######################" docker-compose version echo "################" echo "Install Success!" echo "################" ```