backup: remove unused env var and add netflow script

src/etc/inc/upgrade_config.inc

@@ -2125,8 +2125,7 @@ function upgrade_054_to_055()
 	enable_rrd_graphing();
 	/* Let's save the RRD graphs after we run enable RRD graphing */
 	/* The function will restore the rrd.tgz so we will save it after */
-	exec("cd /; LANG=C NO_REMOUNT=1 RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
-	mwexec('/bin/rm /var/db/rrd/*.xml');
+	exec("cd /; LANG=C RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
 	if (file_exists("/var/run/booting")) {
 		echo "Updating configuration...";
 	}
@@ -2790,7 +2789,7 @@ function upgrade_080_to_081()
 	enable_rrd_graphing();
 	/* Let's save the RRD graphs after we run enable RRD graphing */
 	/* The function will restore the rrd.tgz so we will save it after */
-	exec("cd /; LANG=C NO_REMOUNT=1 RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
+	exec("cd /; LANG=C RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
 	if (file_exists("/var/run/booting"))
 		echo "Updating configuration...";
 	foreach($config['filter']['rule'] as & $rule) {
@@ -3096,7 +3095,7 @@ function upgrade_095_to_096()
 	enable_rrd_graphing();
 	/* Let's save the RRD graphs after we run enable RRD graphing */
 	/* The function will restore the rrd.tgz so we will save it after */
-	exec("cd /; LANG=C NO_REMOUNT=1 RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
+	exec("cd /; LANG=C RRDDBPATH='{$rrddbpath}' CF_CONF_PATH='/conf' /usr/local/etc/rc.backup_rrd");
 }
 
 function upgrade_096_to_097()

src/etc/rc

@@ -184,6 +184,9 @@ echo "done."
 # Execute the early syshook / plugin commands
 /usr/local/etc/rc.syshook early
 
+# Restore backups from previous shutdown (if any)
+/usr/local/etc/rc.backup_netflow restore
+
 # let the PHP-based configuration subsystem set up the system now
 echo -n "Launching the init system..."
 rm -f /root/lighttpd*

src/etc/rc.backup_netflow

+#!/bin/sh
+
+BACKUPFILE="/conf/netflow.tgz"
+BACKUPDIR="/var/netflow"
+
+if [ "${1}" == "restore" ]; then
+	if [ -f "${BACKUPFILE}" ]; then
+		tar -C / -xzf "${BACKUPFILE}"
+	fi
+else
+	if [ -d "${BACKUPDIR}" ]; then
+		tar -C / -czf "${BACKUPFILE}" "${BACKUPDIR}"
+	fi
+fi

src/etc/rc.halt.common

@@ -11,6 +11,7 @@
 
 # backup volatile internals
 /usr/local/etc/rc.backup_dhcpleases
+/usr/local/etc/rc.backup_netflow
 /usr/local/etc/rc.backup_rrd
 
 # wait for config lock to release