#!/bin/bash set -e sudo yum install -y libffi-devel openssl-devel docker sudo /usr/sbin/usermod -a -G dockerroot ${SUDO_USER:-$USER} sudo systemctl start docker sleep 1 group_str="jenkins ALL=(:dockerroot) NOPASSWD: ALL" sudo grep -x "$group_str" /etc/sudoers > /dev/null || sudo bash -c "echo \"$group_str\" >> /etc/sudoers" sudo chown root:dockerroot /var/run/docker.sock echo "Completed $0."