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#!/bin/bash
# Use special param to make sure we're running under bash (in case user does "sh install.sh")
[ "x$1" != "x--exec-self" ] && exec /bin/bash "$0" --exec-self "$@"
IGNORE_ERRORS=
while [ $# -gt 0 ]; do
[ "x$1" = "x--ignore-errors" ] && IGNORE_ERRORS=jup
shift
done
declare -rg SELFPID=$$
perror () {
if [ -n "$IGNORE_ERRORS" ]; then
echo -n -e '\033[01;31m[ERROR]\033[00m '
echo "$@"
return 0
fi
echo -n -e '\033[01;31m[FATAL]\033[00m '
echo "$@"
[ "$$" != "$SELFPID" ] && kill "$SELFPID"
exit 1
}
pwarning () {
echo -n -e '\033[01;33m[WARNING]\033[00m '
echo "$@"
}
if [ "$UID" != "0" ]; then
perror "Must be running as root"
fi
# ** Extract value from text file containing key=value pairs
extractfield () {
grep -m1 "^\s*$2\b" "$1" | awk -F '=' '{print $2}' | sed 's/\s//g'
}
# ** Wrap mysql command line client so we're always using the deb-sys-maint credentials
mysql () {
"$(which mysql)" --defaults-extra-file=/etc/mysql/debian.cnf --default-character-set=utf8 "$@"
}
# ** Restart given systemd service, warn if it fails but do not bail out
restart_service () {
systemctl restart "$1" || pwarning "Could not restart service $1 - !! YOU SHOULD REBOOT THE SERVER !!"
}
# ** Constants - to be patched by the packaging script
declare -rg TARGET_WEBIF_VERSION="%TARGET_WEBIF_VERSION%"
declare -rg TGZ_SLXADMIN="%TGZ_SLXADMIN%"
declare -rg TGZ_DOZMOD="%TGZ_DOZMOD%"
declare -rg TGZ_TASKMANAGER="%TGZ_TASKMANAGER%"
declare -rg TGZ_TFTP="%TGZ_TFTP%"
declare -rg PAYLOAD_OFFSET="%PAYLOAD_OFFSET%"
# ** Constants - hardcoded or determined at runtime
declare -rg PATH_SLXADMIN="/srv/openslx/www/slx-admin"
declare -rg PATH_DOZMOD="/opt/dmsd"
declare -rg PATH_TASKMANAGER="/opt/taskmanager"
declare -rg PATH_TFTP="/srv/openslx/tftp"
# ** Check if constants have been filled, bail out otherwise
if [ -z "$TARGET_WEBIF_VERSION" ] || [[ "$TARGET_WEBIF_VERSION" == %*% ]]; then
perror "Bad upgrader: TARGET_WEBIF_VERSION not set"
fi
if [ -z "$PAYLOAD_OFFSET" ] || [[ "$PAYLOAD_OFFSET" == %*% ]]; then
perror "Bad upgrader: PAYLOAD_OFFSET not set"
fi
# **********************************************************
# Get current webif version
declare -rg CURRENT_WEBIF_VERSION=$(mysql -e 'SELECT value FROM openslx.property WHERE name = "webif-version" LIMIT 1' | tail -n 1)
[ -z "$CURRENT_WEBIF_VERSION" ] && perror "Could not determine current webif version"
if [ "$TARGET_WEBIF_VERSION" = "missing" ] || [ "$CURRENT_WEBIF_VERSION" -le "$TARGET_WEBIF_VERSION" ]; then
:
else
perror "This update seems to be older than the server version you're currently running"
fi
# ************** Extract payload ***************************
TMPDIR=$(mktemp -d)
[ -z "$TMPDIR" ] && perror "Could not create temporary directory for installer"
dd "bs=$PAYLOAD_OFFSET" "if=$0" skip=1 | tar -z -x -C "$TMPDIR"
RET=$?
[ "$RET" -ne 0 ] && perror "Extracting installer payload failed with exit code $RET"
# **********************************************************
# ************************** SLX-Admin *********************
if [ -n "$TGZ_SLXADMIN" ]; then
[ -e "$TMPDIR/$TGZ_SLXADMIN" ] || perror "$TGZ_SLXADMIN missing from payload."
echo "* SLX-Admin: $CURRENT_WEBIF_VERSION -> $TARGET_WEBIF_VERSION"
# Cheap hack: extract, then delete, extract again to get rid of old unused files. If the extraction fails, we don't leave
# the user with a broken webif, because we didn't remove the directories yet
tar -x -C "$PATH_SLXADMIN" -f "$TMPDIR/$TGZ_SLXADMIN" || perror "Could not extract $TGZ_SLXADMIN to $PATH_SLXADMIN"
rm -rf -- "$PATH_SLXADMIN/inc" "$PATH_SLXADMIN/apis" "$PATH_SLXADMIN/modules" "$PATH_SLXADMIN/templates"
tar -x -C "$PATH_SLXADMIN" -f "$TMPDIR/$TGZ_SLXADMIN"
rm -- "$PATH_SLXADMIN/config.php.example"
chmod -R go+rX-w,u+rwX "$PATH_SLXADMIN"
chown -R root:root "$PATH_SLXADMIN"
chmod 0640 "$PATH_SLXADMIN/config.php"
chown root:www-data "$PATH_SLXADMIN/config.php"
curl -s "http://localhost/slx-admin/api.php?do=update" > /dev/null
curl -s "http://localhost/slx-admin/api.php?do=update" | grep -q 'Up to date' || perror "Updating the web interface database failed"
echo "Web interface upgrade complete"
fi
# ************************* Dozmod *************************
if [ -n "$TGZ_DOZMOD" ]; then
[ -e "$TMPDIR/$TGZ_DOZMOD" ] || perror "$TGZ_DOZMOD missing from payload."
echo "* Dozentenmodul"
echo "Adjusting mysql permissions of user sat"
mysql -e 'GRANT CREATE, ALTER ON sat.* TO sat@localhost' || perror "Could not GRANT permissions ON sat.* to sat@localhost"
mysql -e 'GRANT SELECT ON openslx.location TO sat@localhost' || perror "Could not GRANT permissions ON openslx.location to sat@localhost"
echo "Extracting new jar"
tar -x -C "$PATH_DOZMOD" -f "$TMPDIR/$TGZ_DOZMOD" || perror "Could not extract $TGZ_DOZMOD to $PATH_DOZMOD"
if mysql -e 'SHOW TABLES' openslx | grep -q '^location$'; then
echo "Enabling location feature"
sed -i '/^db.location-table\b/d' "$PATH_DOZMOD/config.properties"
echo 'db.location-table = openslx.location' >> "$PATH_DOZMOD/config.properties"
fi
chmod 0640 "$PATH_DOZMOD/config.properties"
chown root:images "$PATH_DOZMOD/config.properties"
echo "Restarting service"
restart_service dmsd
echo "Dozentenmodul Server Daemon upgrade complete"
fi
# ********************** Taskmanager ***********************
if [ -n "$TGZ_TASKMANAGER" ]; then
[ -e "$TMPDIR/$TGZ_TASKMANAGER" ] || perror "$TGZ_TASKMANAGER missing from payload"
echo "* Task manager"
echo "Extracting new jar and data"
# Replacement trick (see slxadmin)
tar -x -C "$PATH_TASKMANAGER" -f "$TMPDIR/$TGZ_TASKMANAGER" || perror "Could not extract $TGZ_TASKMANAGER to $PATH_TASKMANAGER"
rm -rf -- "$PATH_TASKMANAGER/data" "$PATH_TASKMANAGER/scripts" "$PATH_TASKMANAGER/plugins"
tar -x -C "$PATH_TASKMANAGER" -f "$TMPDIR/$TGZ_TASKMANAGER"
echo "Restarting service"
restart_service taskmanager
echo "Taskmanager upgrade complete"
fi
# ************************** TFTP **************************
if [ -n "$TGZ_TFTP" ]; then
[ -e "$TMPDIR/$TGZ_TFTP" ] || perror "$TGZ_TFTP missing from payload"
echo "* TFTP"
echo "Extracting new jar and data"
rm -rf -- "$PATH_TFTP"
mkdir -p "$PATH_TFTP"
tar -x -C "$PATH_TFTP" -f "$TMPDIR/$TGZ_TFTP" || perror "Could not extract $TGZ_TFTP to $PATH_TFTP"
chown -R taskmanager:taskmanager "$PATH_TFTP"
echo "Resetting pxe menu"
mysql -e 'UPDATE openslx.property SET value = "invalid" WHERE name = "server-ip"' || pwarning "Could not reset pxe menu status; manual regeneration of menu required"
echo "TFTP upgrade complete"
fi
# ********************** lighttpd config *******************
if [ -e "$TMPDIR/lighttpd.conf" ] && [ -e "/etc/lighttpd/lighttpd.conf" ]; then
echo "* Replacing lighttpd.conf"
cp "$TMPDIR/lighttpd.conf" "/etc/lighttpd/lighttpd.conf" || perror "Could not replace /etc/lighttpd/lighttpd.conf"
restart_service lighttpd
echo "lighttpd config upgrade complete"
fi
exit 0
# File end
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