Remove ramdisks for RRD databases

[people/pmueller/ipfire-2.x.git] / src / initscripts / init.d / collectd

diff --git a/src/initscripts/init.d/collectd b/src/initscripts/init.d/collectd
index 96bd12676cec3e0aed41344556a4249bdd720e91..69dc94c6faa966674bc518be9b0ef1a9b0c04c34 100644 (file)
--- a/src/initscripts/init.d/collectd
+++ b/src/initscripts/init.d/collectd
@@ -6,6 +6,7 @@
 . $rc_functions
 
 eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
+eval $(/usr/local/bin/readhash /etc/sysconfig/ramdisk)
 
 if [ "$RRDLOG" = '' ]; then
        RRDLOG=/var/log/rrd
@@ -13,6 +14,35 @@ fi
 
 case "$1" in
        start)
+               if [ "$FORCE" == '1' ] || [ "$(mem_amount)" -gt "490" ];then
+                       #mount ramdisk
+                       if ! mountpoint $RRDLOG &>/dev/null; then
+                               boot_mesg "Mount rrd Ramdisk..."
+                               if [ $(find "$RRDLOG" | wc -l) -ne 1 ]; then
+                                       backup_ramdisk "$RRDLOG"
+                               fi
+                               mount_ramdisk "$RRDLOG"
+                               evaluate_retval
+                               #cleanup cron
+                               if [ -e $RRDLOG.bak/cron/new.root ]; then
+                                       if [ -e $RRDLOG.bak/cron/root ]; then
+                                               rm -f $RRDLOG.bak/cron/new.root
+                                       fi
+                               fi
+                               #restore old values to ramdisk if exist
+                               restore_ramdisk "$RRDLOG"
+                       fi
+               else
+                       restore_ramdisk "$RRDLOG"
+               fi
+                       #
+                       # Move /var/spool/cron to ramdisk and make a symlink
+                       #
+                       if [ ! -L /var/spool/cron ]; then
+                               mv /var/spool/cron /var/log/rrd/cron
+                               ln -s /var/log/rrd/cron /var/spool/cron
+                       fi
+
                # If run from init and collectd alrady started then exit silent
                if [ "$(basename $0)" != "collectd" ]; then
                        if [ "$(ps -A | grep " collectd$")" != "" ]; then
@@ -106,10 +136,8 @@ case "$1" in
                boot_mesg "Stopping Collection daemon..."
                killproc /usr/sbin/collectd
                evaluate_retval
-               # Save the ramdisk at manual stop but not at shutdown
-               if [ "$(basename $0)" == "collectd" ]; then
-                   /etc/init.d/tmpfs backup
-               fi
+               backup_ramdisk "$RRDLOG"
+               umount_ramdisk "$RRDLOG"
                # sync after backup...
                sync
                ;;