Create CentOS 6 docker container for use with Vagrant

gistfile1.txt

# Docker image to use with Vagrant
# Aims to be as similar to normal Vagrant usage as possible
# Adds Puppet, SSH daemon

FROM centos
MAINTAINER Sam Bashton <[email protected]>
RUN yum -y install openssh-server
RUN yum -y install MAKEDEV
# Workaround needed for bad libselinux-ruby deps
RUN yum -y downgrade libselinux-2.0.94-5.3.el6_4.1 libselinux-utils
RUN yum -y localinstall https://yum.puppetlabs.com/el/6/products/x86_64/puppetlabs-release-6-7.noarch.rpm
RUN yum -y install puppet
# Generate SSH keys
RUN service sshd start
# Add vagrant user and key
RUN yum -y install sudo
RUN useradd --create-home -s /bin/bash vagrant
RUN echo -n 'vagrant:vagrant' | chpasswd
RUN echo 'vagrant ALL = NOPASSWD: ALL' > /etc/sudoers.d/vagrant
RUN chmod 440 /etc/sudoers.d/vagrant
RUN mkdir -p /home/vagrant/.ssh
RUN chmod 700 /home/vagrant/.ssh
RUN echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys
RUN chmod 600 /home/vagrant/.ssh/authorized_keys
RUN chown -R vagrant:vagrant /home/vagrant/.ssh
RUN sed -i -e 's/Defaults.*requiretty/#&/' /etc/sudoers
RUN sed -i -e 's/\(UsePAM \)yes/\1 no/' /etc/ssh/sshd_config
CMD ["/usr/sbin/sshd", "-D"]