Vagrant Docker Ansible combo (centos7 with SSH)

Dockerfile

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

FROM centos:centos7
MAINTAINER Sam Bashton <sam@bashton.com>
# Replace fake systemd with real systemd
# Lifted from http://jperrin.github.io/centos/2014/09/25/centos-docker-and-systemd/
RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs initscripts
RUN yum -y update; yum clean all; \
(cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
rm -f /lib/systemd/system/multi-user.target.wants/*;\
rm -f /etc/systemd/system/*.wants/*;\
rm -f /lib/systemd/system/local-fs.target.wants/*; \
rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
rm -f /lib/systemd/system/basic.target.wants/*;\
rm -f /lib/systemd/system/anaconda.target.wants/*;
VOLUME [ "/sys/fs/cgroup" ]
RUN yum -y install openssh-server openssh-clients
RUN yum -y install http://yum.puppetlabs.com/puppetlabs-release-pc1-el-7.noarch.rpm
RUN yum -y install puppet-agent hostname ansible
# 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
RUN systemctl enable sshd.service
CMD ["/usr/sbin/init"]

playbook.yml

---
- hosts: default
  become: true
  
  tasks:
  - name: install mesosphere repo
    yum:
      pkg: http://repos.mesosphere.com/el/7/noarch/RPMS/mesosphere-el-repo-7-1.noarch.rpm
      state: latest

  - name: install Mesos and Marathon software
    yum: pkg={{item}} state=installed
    with_items:
     - mesos
     - marathon

  - name: install Zookeeper
    yum: pkg={{item}} state=installed
    with_items:
     - mesosphere-zookeeper

  - name: add Docker repo
    yum_repository:
      name: dockerrepo
      description: EPEL YUM repo
      baseurl: https://yum.dockerproject.org/repo/main/centos/7/
      gpgcheck: yes
      gpgkey: https://yum.dockerproject.org/gpg

  - name: install Docker Engine
    yum: pkg={{item}} state=installed
    with_items:
     - docker-engine

Vagrantfile

Vagrant.configure("2") do |config|
  ENV['VAGRANT_DEFAULT_PROVIDER'] = 'docker'
  config.vm.provider "docker" do |d, override|
    d.image = "bashtoni/centos7-vagrant:puppet4"
    # d.build_dir = '.'
    d.has_ssh = true
    d.force_host_vm = false
    override.ssh.host = '127.0.0.1'
    port = `head -n1 .vagrant/machines/default/docker/id | xargs docker inspect | grep -n3 '22/tcp' | grep 'HostPort' | head -n1 | cut -d '"' -f 4`.chop
    override.ssh.port = port.to_s.empty? ? 2222 : port
    d.create_args = [ "--privileged", "-v", "/sys/fs/cgroup:/sys/fs/cgroup:ro" ]
  end

  #
  # Run Ansible from the Vagrant Host
  #
  config.vm.provision "ansible" do |ansible|
    ansible.playbook = "playbook.yml"
  end

end