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post_install() {
	post_upgrade

	echo -e "\e[39;1m- Please make sure that the Shifter runtimes and the image gateway has the same munge key.\e[0m"
	echo -e "\e[39;1m- Check the configuration file (/etc/shifter/udiRoot.conf) before pulling images or starting containers.\e[0m"
}

post_upgrade() {
	systemctl daemon-reload

	echo -e "\e[34;1m==>\e[39;1m Enabling munge.service... \e[0m"
	systemctl is-enabled munge.service >/dev/null || systemctl enable munge.service

	echo -e "\e[34;1m==>\e[39;1m Starting munge.service... \e[0m"
	systemctl is-active munge.service >/dev/null || systemctl start munge.service

	echo -e "\e[34;1m==>\e[39;1m Copying /etc/passwd... \e[0m"
	cp -f /etc/passwd /etc/shifter/shifter_etc_files/passwd

	echo -e "\e[34;1m==>\e[39;1m Copying /etc/group... \e[0m"
	cp -f /etc/group /etc/shifter/shifter_etc_files/group

	echo -e "\e[34;1m==>\e[39;1m Loading kernel modules... \e[0m"
	[ -z "$(lsmod | grep ^ext4)" ] && modprobe ext4
	[ -n "$(lsmod | grep ^ext4)" ] && echo -e "    \e[34;1m==>\e[39;1m ext4... loaded\e[0m"
	[ -z "$(lsmod | grep ^loop)" ] && modprobe loop
	[ -n "$(lsmod | grep ^loop)" ] && echo -e "    \e[34;1m==>\e[39;1m loop... loaded\e[0m"
	[ -z "$(lsmod | grep ^squashfs)" ] && modprobe squashfs
	[ -n "$(lsmod | grep ^squashfs)" ] && echo -e "    \e[34;1m==>\e[39;1m squashfs... loaded\e[0m"
}

pre_remove() {
	echo -e "\e[34;1m==>\e[39;1m Deleting /etc/shifter/shifter_etc_files/passwd... \e[0m"
	rm -f /etc/shifter/shifter_etc_files/passwd

	echo -e "\e[34;1m==>\e[39;1m Deleting /etc/shifter/shifter_etc_files/group... \e[0m"
	rm -f /etc/shifter/shifter_etc_files/group
}