path: root/satellit_installer/static_files/rclocal_script.sh

#!/bin/bash

MY_PID=$$
perror() {
	echo "$@" >> /root/init.log
	[ "$MY_PID" != "$$" ] && kill "$MY_PID"
	exit 5
}

echo "$(basename $0) gestartet: $(date "+%Y-%m-%d %H:%m:%S")"	>> /root/init.log

[ -r "/root/installer/config" ] || perror "Installationsfehler: Keine firstrun-config gefunden!" 

source "/root/installer/config" || { echo "Fehler beim Sourcen der firstrun-config." >> /root/init.log; exit 1; }

[ -z "$MYSQL_ROOT_PASS" ] && perror "Installationsfehler: WARNUNG: Aktuelles MySQL-root-Passwort nicht bekannt!"

generate_password() {
	tr -dc _A-Za-z0-9 < /dev/urandom | head -c 16
}

patchfiles() {
	# <find> <replace> <file1> <file2> ... <fileN>
	# Warning: does not escape!
	FIND=$1
	REPLACE=$2
	shift 2
	while [ $# -gt 0 ]; do
		sed -i "s/${FIND}/${REPLACE}/g" "$1"
		shift
	done
}

echo -n "Lösche alte ssh-Schlüssel ..."				>> /root/init.log
rm -f /etc/ssh/ssh_host_*key* 2>/dev/null
echo " done."

echo -n "Generating new ssh keys..."				>> /root/init.log
ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N "" -t rsa -q
ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N "" -t dsa -q
ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N "" -t ecdsa -q
echo "... done."						>> /root/init.log

export LANG=de_DE.UTF-8

echo "Generiere intern genutzte Passwörter (z.B. MySQL-Zugänge) neu ..." >> /root/init.log
umask 0077

MYSQL_ROOT_NEW=$(generate_password)
mysqladmin -u root -p"${MYSQL_ROOT_PASS}" password "${MYSQL_ROOT_NEW}" || perror "Neusetzen des root-MySQL-Passworts fehlgeschlagen"
# Just in case...
sed -i "s/^MYSQL_ROOT_PASS=.*\$/MYSQL_ROOT_PASS=${MYSQL_ROOT_NEW}/g" "/root/installer/config"

MYSQL_SAT_NEW=$(generate_password)
echo "SET PASSWORD FOR 'sat'@'localhost' = PASSWORD('$MYSQL_SAT_NEW');" | mysql -u root -p"${MYSQL_ROOT_NEW}" || perror "Neusetzen des sat-MySQL-Passworts fehlgeschlagen."

MYSQL_OPENSLX_NEW=$(generate_password)
echo "SET PASSWORD FOR 'openslx'@'localhost' = PASSWORD('$MYSQL_OPENSLX_NEW');" | mysql -u root -p"${MYSQL_ROOT_NEW}" || perror "Neusetzen des openslx-MySQL-Passworts fehlgeschlagen."

MYSQL_SYSMAINT_NEW=$(generate_password)
echo "SET PASSWORD FOR 'debian-sys-maint'@'localhost' = PASSWORD('$MYSQL_SYSMAINT_NEW');" | mysql -u root -p"${MYSQL_ROOT_NEW}" || perror "Neusetzen des debian-sys-maint-Passworts fehlgeschlagen."

# Store mysql root pass in root's home
echo "$MYSQL_ROOT_NEW" > /root/mysqlpass
chmod 600 /root/mysqlpass

echo -n "Konfigurationsdateien werden aktualisiert..."	>> /root/init.log

# sat mysql pass
# Patch dmsd, vmchooser-query-script
patchfiles "%MYSQL_SAT_PASS%" "$MYSQL_SAT_NEW" "$DMSDDIR/config.properties" "/srv/openslx/www/vmchooser/list.php"
# Pureftpd
patchfiles 'MYSQLPassword.*$' "MYSQLPassword $MYSQL_SAT_NEW" "/etc/pure-ftpd/db/mysql.conf"

# openslx mysql pass
# Patching openslx-mysql-userpass into slx-admin config:
patchfiles "%MYSQL_OPENSLX_PASS%" "$MYSQL_OPENSLX_NEW"                 "$WWWDIR/slx-admin/config.php"

# Patching debian-sys-maint password into /etc/mysql/debian.cnf:
patchfiles 'password *=.*$' "password = $MYSQL_SYSMAINT_NEW"           "/etc/mysql/debian.cnf"

echo " ok."	>> /root/init.log

echo -n "Dienste werden aktiviert..."	>> /root/init.log

if [ $(ps -p 1 -o comm=) = systemd ]; then
	echo "Systemd erkannt (systemctl vorhanden)."	>> /root/init.log
	if [ ! -f /etc/systemd/system/dmsd.service ]; then
		cat > /etc/systemd/system/dmsd.service <<-HEREDOC
			[Unit]
			Description=DMSD is the Dozentenmodul server daemon
 
			[Service]
			ExecStartPre=/bin/sh -c "/bin/echo -n 'RAM='>/tmp/dmsd_environment; echo \$(( \$(/usr/bin/free -m | /bin/grep Mem|/usr/bin/tr -s ' '|/usr/bin/cut -f 2 -d ' ') / 3 ))>>/tmp/dmsd_environment"
			EnvironmentFile=-/tmp/dmsd_environment
			
			User=dmsd
			Group=images
			WorkingDirectory=$DMSDDIR
			ExecStart=$(which java) -Xmx\${RAM}M -jar bwLehrpoolSuite_Server.jar
			Restart=always
			RestartSec=5
			SyslogIdentifier=dmsd
			StandardOutput=syslog
			StandardError=syslog
			
			[Install]
			WantedBy=multi-user.target
		HEREDOC
		echo "dmsd.service geschrieben."   >> /root/init.log
	fi
	if [ ! -f /etc/systemd/system/taskmanager.service ]; then
		cat > /etc/systemd/system/taskmanager.service <<-SOMEWHEREDOC
			[Unit]
			Description=Taskmanager is a bwLehrpool service daemon
 
			[Service]
			User=taskmanager
			Group=taskmanager
			WorkingDirectory=$TASKMANDIR
			ExecStart=$(which java) -Xmx80M -jar taskmanager.jar 
			Restart=always
			RestartSec=5
			SyslogIdentifier=taskmanager
			StandardOutput=syslog
			StandardError=syslog

			[Install]
			WantedBy=multi-user.target
		SOMEWHEREDOC
		echo "taskmanager.service geschrieben."   >> /root/init.log
	fi
	for i in dmsd.service taskmanager.service; do
		systemctl enable $i
		[ $? -ne 0 ] && echo "Warnung - konnte systemd-Service $i nicht aktivieren!" >> /root/init.log
	done
else
	# No systemctl -> no systemd, so: inittab-entry dmsd:
	if ! grep -q "dmsd.*respawn" /etc/inittab; then
		echo "dmsd:2:once:$DMSDDIR/dmsd.sh" >> /etc/inittab
	fi
	
	# inittab-entry taskmanager:
	if ! grep -q "tman.*respawn" /etc/inittab; then
		echo "tman:2345:respawn:$TASKMANDIR/taskmanager.sh" >> /etc/inittab
	fi
fi
echo -n " ok."  >> /root/init.log

# Write MOTD
cat > /etc/motd <<-THEREDOC
	*** bwLehrpool Satelliten-Server, Version $VERSION ***
	Eingerichtet am $(date)

Wenn Sie sich als root eingeloggt haben, haben Sie nun folgende Optionen:
netsetup       - Konfiguriert das Netzwerk-Interface neu (DHCP oder statisch)
reboot         - System neustarten
poweroff       - System herunterfahren

Andere Modifikationen am System sind in der Regel nicht notwendig.

THEREDOC

# Write version to /etc/sat_version
echo "$VERSION" > /etc/sat_version

sed -i "/rclocal_script.sh/d" /etc/rc.local
unlink "/root/installer/config" 2>/dev/null
unlink "/root/installer/rclocal_script.sh" 2>/dev/null
mv /etc/rc.local.sik /etc/rc.local
exit 0