#!/bin/bash

INITSYS=`readlink -f /proc/1/exe`
if [ "$INITSYS" != "/lib/systemd/systemd" -a "$INITSYS" != "/usr/lib/systemd/systemd" ]; then
	echo "ERROR: This chr package supports only systemd."
	exit 0
fi

# create tinyproxy user
getent group tinyproxy >/dev/null 2>&1 ||
	addgroup --system tinyproxy
getent passwd tinyproxy >/dev/null 2>&1 ||
	adduser --system --home /run/tinyproxy --no-create-home --disabled-password --shell /bin/false --ingroup tinyproxy tinyproxy


echo "Checking systemd notify,log socket placeholders"
/usr/lib/3gsystools/chr_placeholder_check /chroot/deploy/run /systemd/notify file
/usr/lib/3gsystools/chr_placeholder_check /chroot/deploy/run /systemd/journal/dev-log file

# restarting syslog
systemctl restart rsyslog

# creating link from /dev/log to systemd log socket
if ! [ -e /chroot/deploy/dev/log ]; then
	ln -s ../run/systemd/journal/dev-log /chroot/deploy/dev/log
fi

echo "Checking sshd runtime dir"
/usr/lib/3gsystools/chr_placeholder_check /chroot/deploy/run /sshd dir

echo "Checking mysql socket dir"
#/usr/lib/3gsystools/chr_placeholder_check /run /mysqld dir
/usr/lib/3gsystools/chr_placeholder_check /chroot/deploy/run /mysqld dir

echo "Checking web folder"
/usr/lib/3gsystools/chr_placeholder_check /srv /web dir
/usr/lib/3gsystools/chr_placeholder_check /srv /webtmp dir
/usr/lib/3gsystools/chr_placeholder_check /chroot/deploy /web dir

echo "Updating fstab"
/usr/local/sbin/fstab-chr

# delete deprecated units
[ -h /etc/systemd/system/multi-user.target.wants/ssh-deploy.service ] && rm /etc/systemd/system/multi-user.target.wants/ssh-deploy.service
[ -h /etc/systemd/system/multi-user.target.wants/sshd-deploy.service ] && rm /etc/systemd/system/multi-user.target.wants/sshd-deploy.service

if [ -h /etc/systemd/system/sshd-deploy.service ]; then
	sdst=`readlink /etc/systemd/system/sshd-deploy.service`
	if [ "x${sdst}" != "x/lib/systemd/system/ssh-deploy.service" ]; then
		rm /etc/systemd/system/sshd-deploy.service
	fi
fi

# activating systemd units
systemctl daemon-reload


# Enabling systemd units

SYSTEMD_UNITS="
	chr-deploy.target
	chroot-deploy-run-systemd-notify.mount
	chroot-deploy-tmp.mount
	chroot-deploy-run-systemd-journal-dev\\x2dlog.mount
	chroot-deploy-tmp.mount
	chroot-deploy-run-mysqld.mount
	ssh-deploy.service
	ssh-deploy.socket
	tinyproxy-bridge-host-deploy.service
	tinyproxy-bridge-ns-deploy.service
	tinyproxy-chroot.service
"

#	chroot-deploy-web.mount
#	chroot-deploy-web-temp.mount

for systemd_unit in $SYSTEMD_UNITS; do

	systemctl enable "${systemd_unit}"
	if deb-systemd-helper --quiet was-enabled "${systemd_unit}"; then
		deb-systemd-helper enable "${systemd_unit}" >/dev/null || true
	else
		deb-systemd-helper update-state "${systemd_unit}" >/dev/null || true
	fi

done

exit 0