#!/bin/bash

# enable 3 extra repos
for i in addons codeready_builder distro_builder;do dnf config-manager --set-enabled ol9_$i ; done

dnf install oracle-epel-release-el9

cat >> /etc/sysconfig/kernel <<EOL
# UPDATEDEFAULT specifies if kernel-install should make
# new kernels the default
UPDATEDEFAULT=no

# DEFAULTKERNEL specifies the default kernel package type
DEFAULTKERNEL=kernel-uek-core
EOL

if [ 1 == 1 ]; then
dnf install -y @core redhat-lsb-core dracut-tools dracut-config-generic --exclude=geo*,NetworkMan*,rpm-plugin-selinux,selinux*,iwl*firm*

mkdir -p /etc/kernel/install.d
touch /etc/kernel/install.d/{20-grubby.install,51-dracut-rescue.install,90-loaderentry.install}
sudo dnf install -y kernel-uek kernel-uek-core

#dracut --force --add-drivers "xen-blkfront xen-netfront" -k /usr/lib/modules/5.5.7-200.fc31.x86_64/ /boot/initramfs-5.5.7-200.fc31.x86_64.img 5.5.7-200.fc31.x86_64

#disable ipv6 from rc.local: done after network is started
echo 1 >> /proc/sys/net/ipv6/conf/eth0/disable_ipv6
else
echo branching away
fi

mkdir -p /etc/systemd/network

sudo dnf install -y systemd-networkd systemd-resolved

cat >> /etc/systemd/network/10-static-eth0.network <<EOL
[Match]
Name=eth0

[Network]
LinkLocalAddressing=ipv4
IPv6AcceptRA=no
DNS=8.8.4.4
Address=192.168.1.55/24
Gateway=192.168.1.1
EOL

# quiet warnings about audio
cat >> /etc/modprobe.d/xen.conf <<EOL
blacklist pcspkr
blacklist cfg80211
EOL

cat >> /etc/fstab <<EOL
/dev/xvda /                       ext4    errors=remount-ro 0  1
/dev/xvdb       none            swap    sw              0       0
xenfs /proc/xen         xenfs   defaults 0 0
EOL

mkdir /boot/grub
cat >> /boot/grub/menu.lst <<EOL
default 0
timeout 10
#splashimage (hd0)/boot/grub/splash.xpm.gz

# ipv6.disable=1

title Oracle Linux 9 - 5.15.0-0.30.19.el9uek.x86_64
    root (hd0)
    kernel /boot/vmlinuz-5.15.0-6.80.3.1.el9uek.x86_64 root=/dev/xvda net.ifnames=0 console=hvc0 selinux=0 text noresume nopti audit=0
    initrd /boot/initramfs-5.15.0-6.80.3.1.el9uek.x86_64.img
EOL
# runlevel 3
(cd /etc/systemd/system; ln -s /usr/lib/systemd/system/multi-user.target default.target)
systemctl enable systemd-resolved