#!/bin/bash

#DESC Inplace OS upgrade from RH8 to RH9 - RTI.
#PRDno

#Make sure tfethX naming.
[ "`ifconfig | grep tfeth`" == "" ] && echo "Run change_nics first....." && exit 1

echo "---> Upgrading OS to RHEL9 ..." | tee -a /tmp/updateos.log
echo "" | tee -a /tmp/updateos.log

# save current hostname and firewall rules
rm -rf /usr2/upgrade
mkdir /usr2/upgrade
hostname > /usr2/upgrade/hostname
cp /etc/sysconfig/iptables /usr2/upgrade/.

# clear out repos and install current rh8 OS repos
rm -f /etc/yum/repos.d/*
updateos rhel8repo_install

# save off ups conf file if there.
[ -f /etc/apcupsd/apcupsd.conf ] && cp -f /etc/apcupsd/apcupsd.conf /usr2/upgrade/apcupsd.conf

# add leapp package
yum -y install leapp leapp-upgrade-el8toel9

# add leapp repos
cat > /etc/leapp/files/leapp_upgrade_repositories.repo << EOF
[RHEL9BaseOS]
name=RTIRepoBaseOS9
enabled=1
gpgcheck=0
baseurl=http://rhel9repo.centralus.cloudapp.azure.com/rhel-9-for-x86_64-baseos-rpms/

[RHEL9AppStream]
name=RTIRepoAppStream9
enabled=1
gpgcheck=0
baseurl=http://rhel9repo.centralus.cloudapp.azure.com/rhel-9-for-x86_64-appstream-rpms/
EOF

#create leapp answer file
cat > /var/log/leapp/answerfile << EOF
[remove_pam_pkcs11_module_check]
# Title:              None
# Reason:             Confirmation
# =================== remove_pam_pkcs11_module_check.confirm ==================
# Label:              Disable pam_pkcs11 module in PAM configuration? If no, the upgrade process will be interrupted.
# Description:        PAM module pam_pkcs11 is no longer available in RHEL-8 since it was replaced by SSSD.
# Reason:             Leaving this module in PAM configuration may lock out the system.
# Type:               bool
# Default:            None
# Available choices: True/False
# Unanswered question. Uncomment the following line with your answer
confirm = True
EOF

#add script to run after reboot.
updateos post_install_rh9

#remove unsupported pam.d modules.
cp -rp /etc/pam.d /tmp
sed -i '/pam_tally2/d' /etc/pam.d/*
sed -i '/pam_pkcs11/d' /etc/pam.d/*

#switch to uuid ids in /etc/fstab
updateos uuid_switch

#multipath fix
yum -y install device-mapper-multipath
/usr/sbin/mpathconf --enable

yum -y remove firewalld
yum -y install NetworkManager
systemctl enable NetworkManager

#updates ostools to 1.16
updateos install_ostools-1.16

updateos rti_email_fix

# run leap upgrade
leapp upgrade --no-rhsm 
reboot
exit 0