#Deprecated functions since centOs 7
#https://docs.centos.org/en-US/8-docs/advanced-install/assembly_kickstart-commands-and-options-reference/#kickstart-changes_kickstart-commands-and-options-reference

text
reboot
url --mirrorlist=http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=baseos
lang en_US.UTF-8
keyboard --vckeymap=us --xlayouts='us'
timezone Europe/Berlin --isUtc --nontp
clearpart --none --initlabel
bootloader --location=mbr --boot-drive=sda
part biosboot --fstype="biosboot" --ondisk=sda --size=1
part / --fstype="xfs" --ondisk=sda --grow --label=SLX_SYS

%packages
@^minimal-environment
%end

# small python script to extract the password from the kernel command line
# expects the password given as: rootpw=<password>
%pre --interpreter=/usr/libexec/platform-python
import shlex, crypt
arg = 'rootpw='
with open('/proc/cmdline', 'r') as f:
  kcl = f.read().split()
# extract the password
passwords = [x[len(arg):] for x in kcl if x.startswith(arg)]
if len(passwords) == 1:
  kclpass = passwords[0]
# TODO sane fallbacks. This should work most of the time though :)
# generate SHA512 hash
hash = crypt.crypt(kclpass, crypt.mksalt(crypt.METHOD_SHA512))
with open('/tmp/setup-root-pass', 'w') as f:
  f.write('rootpw --iscrypted ' + hash)
%end
# include the created password file
%include /tmp/setup-root-pass

%post --erroronfail
# allow root login for ansible
sed 's,^[[:blank:]]*#*PermitRootLogin.*,PermitRootLogin yes,g' /etc/ssh/sshd_config

ln -s /dev/null /etc/udev/rules.d/80-net-name-slot.rules
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<EOF
DEVICE="eth0"
BOOTPROTO="dhcp"
ONBOOT="yes"
TYPE="Ethernet"
EOF
%end