Import a simple tool to merge data in RRD databases

tools/backup-restore.sh

@@ -0,0 +1,71 @@
+#!/bin/sh
+#$Id$
+#Copyright (c) 2016 Pierre Pronchery <khorben@defora.org>
+#This file is part of DeforaOS Network Probe
+#This program is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, version 3 of the License.
+#
+#This program is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+#
+#You should have received a copy of the GNU General Public License
+#along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+
+#variables
+NEWPATH="new"
+OLDPATH1="old1"
+OLDPATH2="old2"
+OUTPATH="out"
+#executables
+CP="cp -f"
+GREP="grep"
+RRDTOOL="rrdtool"
+RRDTOOL_ARGS="--daemon unix:/var/run/rrdcached/rrdcached.sock"
+
+
+#functions
+#backup
+backup()
+{
+	$RRDTOOL fetch "$1" AVERAGE -s -604800 $RRDTOOL_ARGS
+}
+
+
+#restore1
+restore1()
+{
+	while read timestamp val1 junk; do 
+		$RRDTOOL update "$1" "$timestamp$val1" $RRDTOOL_ARGS
+	done
+}
+
+
+#restore3
+restore3()
+{
+	while read timestamp val1 val2 val3 junk; do 
+		$RRDTOOL update "$1" "$timestamp$val1:$val2:$val3" $RRDTOOL_ARGS
+	done
+}
+
+
+#main
+rrd="load.rrd"
+$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2
+backup "$OLDPATH1/$rrd" | $GREP -v ': nan nan nan$' | restore3 "$OUTPATH/$rrd"
+backup "$OLDPATH2/$rrd" | $GREP -v ': nan nan nan$' | restore3 "$OUTPATH/$rrd"
+
+rrd="procs.rrd"
+$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2
+backup "$OLDPATH1/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"
+backup "$OLDPATH2/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"
+
+rrd="users.rrd"
+$CP -- "$NEWPATH/$rrd" "$OUTPATH/$rrd" || exit 2
+backup "$OLDPATH1/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"
+backup "$OLDPATH2/$rrd" | $GREP -v ': nan$' | restore1 "$OUTPATH/$rrd"

tools/project.conf

@@ -1 +1 @@
-dist=Makefile,create.sh,netbsd/project.conf,netbsd/Makefile,netbsd/DaMon,netbsd/Probe
+dist=Makefile,backup-restore.sh,create.sh,netbsd/project.conf,netbsd/Makefile,netbsd/DaMon,netbsd/Probe