text
auth --enableshadow --passalgo=sha512
shutdown
firewall --enabled --service=ssh
firstboot --disable
ignoredisk --only-use=vda
keyboard us
# System language
lang en_US.UTF-8
# Network information
network  --bootproto=dhcp --device=link --activate --onboot=on
network  --hostname=localhost.localdomain
# Root password
rootpw --iscrypted thereisnopasswordanditslocked
selinux --enforcing
services --disabled="kdump" --enabled="NetworkManager,sshd,rsyslog,chronyd,cloud-init,cloud-init-local,cloud-config,cloud-final,rngd"
timezone UTC --isUtc
# Disk
bootloader --append="console=ttyS0,115200n8 no_timer_check crashkernel=auto net.ifnames=0" --location=mbr --timeout=1 --boot-drive=vda
zerombr
clearpart --all --initlabel 
reqpart
part / --fstype="xfs" --ondisk=vda --size=8000

%post --erroronfail
passwd -d root
passwd -l root

# pvgrub support
echo -n "Creating grub.conf for pvgrub"
rootuuid=$( awk '$2=="/" { print $1 };'  /etc/fstab )
mkdir /boot/grub
echo -e 'default=0\ntimeout=0\n\n' > /boot/grub/grub.conf
for kv in $( ls -1v /boot/vmlinuz* |grep -v rescue |sed s/.*vmlinuz-//  ); do
  echo "title CentOS Linux 8 ($kv)" >> /boot/grub/grub.conf
  echo -e "\troot (hd0)" >> /boot/grub/grub.conf
  echo -e "\tkernel /boot/vmlinuz-$kv ro root=$rootuuid console=hvc0 LANG=en_US.UTF-8" >> /boot/grub/grub.conf
  echo -e "\tinitrd /boot/initramfs-$kv.img" >> /boot/grub/grub.conf
  echo
done
ln -sf grub.conf /boot/grub/menu.lst
ln -sf /boot/grub/grub.conf /etc/grub.conf

# setup systemd to boot to the right runlevel
rm -f /etc/systemd/system/default.target
ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
echo .

dnf -C -y remove linux-firmware

# Remove firewalld; it is required to be present for install/image building.
# but we dont ship it in cloud
dnf -C -y remove firewalld --setopt="clean_requirements_on_remove=1"
dnf -C -y remove avahi\* 
sed -i '/^#NAutoVTs=.*/ a\
NAutoVTs=0' /etc/systemd/logind.conf

cat > /etc/sysconfig/network << EOF
NETWORKING=yes
NOZEROCONF=yes
EOF

# Remove build-time resolvers to fix #16948
echo > /etc/resolv.conf

# For cloud images, 'eth0' _is_ the predictable device name, since
# we don't want to be tied to specific virtual (!) hardware
rm -f /etc/udev/rules.d/70*
ln -s /dev/null /etc/udev/rules.d/80-net-name-slot.rules

# simple eth0 config, again not hard-coded to the build hardware
cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
DEVICE="eth0"
BOOTPROTO="dhcp"
ONBOOT="yes"
TYPE="Ethernet"
USERCTL="yes"
PEERDNS="yes"
IPV6INIT="no"
PERSISTENT_DHCLIENT="1"
EOF

echo "virtual-guest" > /etc/tuned/active_profile

# generic localhost names
cat > /etc/hosts << EOF
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

EOF
echo .

systemctl mask tmp.mount

cat <<EOL > /etc/sysconfig/kernel
# UPDATEDEFAULT specifies if new-kernel-pkg should make
# new kernels the default
UPDATEDEFAULT=yes

# DEFAULTKERNEL specifies the default kernel package type
DEFAULTKERNEL=kernel
EOL

# make sure firstboot doesn't start
echo "RUN_FIRSTBOOT=NO" > /etc/sysconfig/firstboot

# centos cloud user
echo -e 'centos\tALL=(ALL)\tNOPASSWD: ALL' >> /etc/sudoers
sed -i 's/name: cloud-user/name: centos/g' /etc/cloud/cloud.cfg

dnf clean all

# XXX instance type markers - MUST match CentOS Infra expectation
echo 'genclo' > /etc/yum/vars/infra

# change dhcp client retry/timeouts to resolve #6866
cat  >> /etc/dhcp/dhclient.conf << EOF

timeout 300;
retry 60;
EOF


rm -rf /var/log/yum.log
rm -rf /var/lib/yum/*
rm -rf /root/install.log
rm -rf /root/install.log.syslog
rm -rf /root/anaconda-ks.cfg
rm -rf /var/log/anaconda*

rm -f /var/lib/systemd/random-seed

cat /dev/null > /etc/machine-id

echo "Fixing SELinux contexts."
touch /var/log/cron
touch /var/log/boot.log
mkdir -p /var/cache/yum
/usr/sbin/fixfiles -R -a restore

# reorder console entries
sed -i 's/console=tty0/console=tty0 console=ttyS0,115200n8/' /boot/grub2/grub.cfg

true

%end

%packages
@core
chrony
dnf
yum
cloud-init
cloud-utils-growpart
NetworkManager
dracut-config-generic
dracut-norescue
firewalld
grub2
kernel
nfs-utils
rsync
tar
dnf-utils
yum-utils
-aic94xx-firmware
-alsa-firmware
-alsa-lib
-alsa-tools-firmware
-ivtv-firmware
-iwl100-firmware
-iwl1000-firmware
-iwl105-firmware
-iwl135-firmware
-iwl2000-firmware
-iwl2030-firmware
-iwl3160-firmware
-iwl3945-firmware
-iwl4965-firmware
-iwl5000-firmware
-iwl5150-firmware
-iwl6000-firmware
-iwl6000g2a-firmware
-iwl6000g2b-firmware
-iwl6050-firmware
-iwl7260-firmware
-libertas-sd8686-firmware
-libertas-sd8787-firmware
-libertas-usb8388-firmware
-biosdevname
-iprutils
-plymouth

python3-jsonschema
qemu-guest-agent
dhcp-client
cockpit-ws
cockpit-system
-langpacks-*
-langpacks-en

centos-release
rng-tools
%end