# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"

  config.vm.synced_folder ".", "/vagrant", type: 'virtualbox'

  config.vm.provision "shell", inline: <<-SHELL
    yum -y install qemu-img e2fsprogs
    qemu-img create centos7.img 8G
    mkfs.ext4 -F centos7.img
    TMPDIR=$(mktemp -d)
    mount -o loop centos7.img $TMPDIR
    yum --installroot=$TMPDIR \
        --releasever=7 \
        --disablerepo='*' \
        --enablerepo=base \
        -y groupinstall Base
    yum --installroot=$TMPDIR \
        --releasever=7 \
        --disablerepo='*' \
        --enablerepo=base \
        -y install openssh-server
    chroot $TMPDIR /bin/sh -c 'useradd -m user'
    sed -i 's/root:\*:/root::/' $TMPDIR/etc/shadow
    sed -i 's/user:!!:/user::/' $TMPDIR/etc/shadow
    echo auth sufficient pam_permit.so > $TMPDIR/etc/pam.d/sshd
    sed -i '/PermitEmptyPasswords/d' $TMPDIR/etc/ssh/sshd_config
    echo PermitEmptyPasswords yes >> $TMPDIR/etc/ssh/sshd_config
    sed -i '/PermitRootLogin/d' $TMPDIR/etc/ssh/sshd_config
    echo PermitRootLogin yes >> $TMPDIR/etc/ssh/sshd_config
    umount $TMPDIR
    cp centos7.img /vagrant/
  SHELL
end