CentOS docker engine installer

centos_docker_install.sh

#!/bin/bash

echo '>>>>>>> Starting Docker installation.'
echo '-----------------------------------------------------------------'
echo ''
echo '>>> Erase old packages and install dependencies'
yum -y remove docker docker-common docker-selinux docker-engine
yum -y install yum-utils device-mapper-persistent-data lvm2

echo '-----------------------------------------------------------------'
echo ''
echo '>>> Adding repository for docker installation'
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
echo 'Available repositories'
yum repolist |grep -i docker

echo '>>> Optimizting yum configurations'
echo 'This might take some times...'
yum makecache fast

echo '-----------------------------------------------------------------'
echo ''
echo '>>> Starting installation'
yum -y install docker-ce

echo '>>> Avaliable docker CE versions: '
yum list docker-ce.x86_64  --showduplicates | sort -r
docker version

echo '-----------------------------------------------------------------'
echo ''
echo '>>> Post configuration: Starting services'
systemctl status docker
systemctl start docker ; systemctl enable docker
chkconfig docker

echo '>>> Post configuration: Docker image test'
docker run hello-world

echo '>>> Post configuration: Post-Check scripts'
curl https://raw.githubusercontent.com/docker/docker/master/contrib/check-config.sh > check-config.sh
chmod 744 check-config.sh
bash ./check-config.sh

echo '>>> Post configuration: Enable docker CLI completion'
echo 'Install bash-completion first...'
yum -y install bash-completion
echo 'Download completion config file from web...'
echo '> Note that docker-cli completion would be effected after logging out current bash session.'
curl -L https://raw.githubusercontent.com/docker/compose/1.25.5/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose


echo '-----------------------------------------------------------------'
echo ''
echo '>>>>>>> Docker installation done.'
exit 0

~README.md

centos_docker_install