install
url --url="http://mirror.centos.org/centos/7/os/x86_64/"
lang en_US.UTF-8
keyboard --vckeymap=us --xlayouts='us'
timezone Europe/Berlin --isUtc
network --device=eth0 --bootproto=dhcp --activate
network  --hostname=localhost.localdomain
firewall --enable --ssh
services --enabled=NetworkManager,sshd,chronyd
selinux --disabled
auth --enableshadow --passalgo=sha512
rootpw vagrant
text
skipx
clearpart --all --initlabel
zerombr
autopart
bootloader --location=mbr
firstboot --disabled
reboot

%packages --ignoremissing --excludedocs
@core
chrony
openssh-clients
openssh-server
sudo
%end

%post
# disable unnecessary services
chkconfig acpid off
chkconfig auditd off
chkconfig blk-availability off
chkconfig bluetooth off
chkconfig certmonger off
chkconfig cpuspeed off
chkconfig cups off
chkconfig haldaemon off
chkconfig ip6tables off
chkconfig lvm2-monitor off
chkconfig messagebus off
chkconfig mdmonitor off
chkconfig rpcbind off
chkconfig rpcgssd off
chkconfig rpcidmapd off
chkconfig yum-updateonboot off

# vagrant
groupadd vagrant -g 1001
useradd vagrant -g vagrant -G wheel -u 1001
echo "vagrant" | passwd --stdin vagrant

# sudo
yum install -y sudo
echo "vagrant        ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers.d/vagrant
sed -i "s/^.*requiretty/#Defaults requiretty/" /etc/sudoers

yum clean all
%end