From 1886f8c05a4588aef021fec4c9868a955d4e8040 Mon Sep 17 00:00:00 2001
From: root <root@beagle.fritz.box>
Date: Thu, 1 Oct 2015 23:40:45 +0000
Subject: [PATCH] initial checkin of backup project

---
 bin/backup      | 84 +++++++++++++++++++++++++++++++++++++++++++++++++
 config/tx2.conf |  8 +++++
 2 files changed, 92 insertions(+)
 create mode 100755 bin/backup
 create mode 100644 config/tx2.conf

diff --git a/bin/backup b/bin/backup
new file mode 100755
index 0000000..f69dfa0
--- /dev/null
+++ b/bin/backup
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+	echo usage: $0 configfile
+	exit -1
+fi
+
+if [ ! -f $1 ]; then
+	echo configfile $1 is not a file
+	exit -2
+fi
+
+config=$1
+
+host=`grep ^host $config | cut -d ' ' -f 2`
+user=`grep ^user $config | cut -d ' ' -f 2`
+homedirs="` grep ^homedirs $config | cut -d ' ' -f 2-`"
+extradirs="`grep ^extradirs $config | cut -d ' ' -f 2-`" 
+replicas=`grep ^replicas $config | cut -d ' ' -f 2`
+oldest=`grep ^oldest $config | cut -d ' ' -f 2`
+data=`grep ^data $config | cut -d ' ' -f 2`
+bandwidth=`grep ^bandwidth $config | cut -d ' ' -f 2`
+
+ping -c1 $host > /dev/null 2>&1
+ret=$?
+
+if [ "$ret" = "0" ]; then
+	echo "host $host is online ..."
+else
+	echo "host $host unreachable ..."
+	exit -3
+fi
+
+if [ ! -d $data ]; then
+	echo "no data directory ..."
+	exit -4
+fi
+
+today=`date -I`
+backupdir=$data/${user}_at_${host}
+
+cbd=$backupdir/$today
+mkdir -p $cbd
+
+rsync="rsync -azR --delete --bwlimit=$bandwidth"
+
+ob=""
+for pb in $backupdir/[0-9]*; do
+	bdd=`basename $pb`
+	if [ ! -f $backupdir/.$bdd ]; then
+		if [ "$pb" != "$cbd" ]; then
+			rm -rf $cbd
+			mv $pb $cbd
+		fi
+
+		rsrc=""
+		for dir in $homedirs; do
+			rsrc="$rsrc :/home/$user/$dir"
+		done
+		rsrc="`echo $rsrc | sed 's/^\ //'`"
+		for dir in $extradirs; do
+			rsrc="$rsrc :$dir"
+		done
+		$rsync $user@$host$rsrc $cbd
+		ret=$?
+		[ "$ret" != "0" ] && exit -50
+		touch $backupdir/.$pb
+	fi
+	ob="$ob $pb"
+done
+
+cob=`echo $ob | wc -w`
+if [ $cob -gt $replicas ]; then
+	((numdel=cob-replicas))
+	todel="`echo $ob | cut -d ' ' -f 1-${numdel}`"
+	echo "to delete: $todel"
+	#for dirdel in $todel; do
+	#	bdd=`basename $dirdel`
+	#	rm -r $dirdel
+	#	rm $backupdir/$bdd
+	#done
+fi
+
+exit 0
diff --git a/config/tx2.conf b/config/tx2.conf
new file mode 100644
index 0000000..4d950df
--- /dev/null
+++ b/config/tx2.conf
@@ -0,0 +1,8 @@
+host tx2
+user hackbard
+homedirs .config bin briefe moritz private projects ssl
+extradirs /scratch 
+replicas 3
+oldest 60
+data /mnt/wd/ext/backups
+bandwidth 5m
-- 
2.20.1