Keycloak Upgrade script

keycloak_upgrade.sh

#!/bin/bash

##################################################################
# Keycloak Upgrade Script
# 
# VN
#
# Assumptions:
# - soft-link with name "current" exists to live keycloak folder
# - keycloak uses postgresql backend
# - keycloak is run as systemctl service as user 'keycloak'
##################################################################

#script needs elevated privileges
if [ ${UID} != 0 ];then
        err "script should be run as root or sudo"
fi

KCHOME="/home/keycloak"
KCMODE="standalone"
KCNEWVER="12.0.4"

if [ -d ${KCHOME} ];then
	systemctl stop keycloak
	cd ${KCHOME}

	#download package and extract
	wget https://github.com/keycloak/keycloak/releases/download/${KCNEWVER}/keycloak-${KCNEWVER}.tar.gz
	tar xzvf keycloak-${KCNEWVER}.tar.gz

	#migrate config and customisations from current to new
	cp -pr current/standalone/* keycloak-${KCNEWVER}/standalone/
	#cp -pr current/themes/yourcompany/ keycloak-${KCNEWVER}/themes/ #copy your custom themes

	#postgres driver
	cp -pr current/modules/system/layers/keycloak/org/postgresql/ keycloak-${KCNEWVER}/modules/system/layers/keycloak/org/

	#run upgrade script
	keycloak-${KCNEWVER}/bin/jboss-cli.sh --file=keycloak-${KCNEWVER}/bin/migrate-${KCMODE}.cli

	#ensure perm is correct
	chown -R keycloak:users keycloak-${KCNEWVER}

	#point to new keycloak instance
	ln -sfn keycloak-${KCNEWVER} current 

	systemctl start keycloak
else
	echo "ERR: Keycloak Home directory ${KCHOME} does not exist!"
	exit 11
fi